forked from ilikecats/papercats
9819 lines
243 KiB
JavaScript
9819 lines
243 KiB
JavaScript
(function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require=="function"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);var f=new Error("Cannot find module '"+o+"'");throw f.code="MODULE_NOT_FOUND",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return s(n?n:e)},l,l.exports,e,t,n,r)}return n[o].exports}var i=typeof require=="function"&&require;for(var o=0;o<r.length;o++)s(r[o]);return s})({1:[function(require,module,exports){
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function Rolling(value, frames)
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{
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var lag = 0;
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if (!frames)
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frames = 24;
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this.value = value;
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Object.defineProperty(this, "lag", {
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get: function() { return lag; },
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enumerable: true
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});
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this.update = function() {
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var delta = this.value - lag;
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var dir = Math.sign(delta);
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var speed = Math.abs(delta) / frames;
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var mag = Math.min(Math.abs(speed), Math.abs(delta));
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lag += mag * dir;
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return lag;
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}
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}
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module.exports = Rolling;
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},{}],2:[function(require,module,exports){
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/* global $ */
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var core = require("../game-core");
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var client = require("../client");
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var Rolling = require("./rolling");
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var GRID_SIZE = core.GRID_SIZE;
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var CELL_WIDTH = core.CELL_WIDTH;
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var SPEED = core.SPEED;
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var BORDER_WIDTH = core.BORDER_WIDTH;
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var SHADOW_OFFSET = 5;
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var ANIMATE_FRAMES = 24;
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var BOUNCE_FRAMES = [8, 4];
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var DROP_HEIGHT = 24;
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var DROP_SPEED = 2;
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var MIN_BAR_WIDTH = 65;
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var BAR_HEIGHT = SHADOW_OFFSET + CELL_WIDTH;
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var BAR_WIDTH = 400;
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var canvas, canvasWidth, canvasHeight, gameWidth, gameHeight, ctx, offctx, offscreenCanvas;
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$(function () {
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canvas = $("#main-ui")[0];
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ctx = canvas.getContext('2d');
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offscreenCanvas = document.createElement("canvas");
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offctx = offscreenCanvas.getContext('2d');
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canvas.style.marginTop = 10;
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updateSize();
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});
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var animateGrid, playerPortion, portionsRolling,
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barProportionRolling, animateTo, offset, user, zoom, showedDead;
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var grid = client.grid;
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function updateSize()
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{
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var changed = false;
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if (canvasWidth != window.innerWidth)
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{
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gameWidth = canvasWidth = offscreenCanvas.width = canvas.width = window.innerWidth;
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changed = true;
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}
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if (canvasHeight != window.innerHeight - 20)
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{
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canvasHeight = offscreenCanvas.height = canvas.height = window.innerHeight - 20;
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gameHeight = canvasHeight - BAR_HEIGHT;
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changed = true;
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}
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if (changed && user)
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centerOnPlayer(user, offset);
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}
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function reset() {
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animateGrid = new core.Grid(GRID_SIZE);
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playerPortion = [];
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portionsRolling = [];
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barProportionRolling = [];
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animateTo = [0, 0];
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offset = [0, 0];
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user = null;
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zoom = 1;
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showedDead = false;
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}
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reset();
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//Paint methods.
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function paintGridBorder(ctx)
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{
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ctx.fillStyle = 'lightgray';
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var gridWidth = CELL_WIDTH * GRID_SIZE;
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ctx.fillRect(-BORDER_WIDTH, 0, BORDER_WIDTH, gridWidth);
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ctx.fillRect(-BORDER_WIDTH, -BORDER_WIDTH, gridWidth + BORDER_WIDTH * 2, BORDER_WIDTH);
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ctx.fillRect(gridWidth, 0, BORDER_WIDTH, gridWidth);
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ctx.fillRect(-BORDER_WIDTH, gridWidth, gridWidth + BORDER_WIDTH * 2, BORDER_WIDTH);
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}
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function paintGrid(ctx)
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{
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//Paint background.
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ctx.fillStyle = "rgb(211, 225, 237)";
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ctx.fillRect(0, 0, CELL_WIDTH * GRID_SIZE, CELL_WIDTH * GRID_SIZE);
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paintGridBorder(ctx);
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//paintGridLines(ctx);
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//Get viewing limits
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var offsetX = (offset[0] - BORDER_WIDTH);
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var offsetY = (offset[1] - BORDER_WIDTH);
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var minRow = Math.max(Math.floor(offsetY / CELL_WIDTH), 0);
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var minCol = Math.max(Math.floor(offsetX / CELL_WIDTH), 0);
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var maxRow = Math.min(Math.ceil((offsetY + gameHeight / zoom) / CELL_WIDTH), grid.size);
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var maxCol = Math.min(Math.ceil((offsetX + gameWidth / zoom) / CELL_WIDTH), grid.size);
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//Paint occupied areas. (and fading ones).
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for (var r = minRow; r < maxRow; r++)
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{
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for (var c = minCol; c < maxCol; c++)
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{
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var p = grid.get(r, c);
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var x = c * CELL_WIDTH, y = r * CELL_WIDTH, baseColor, shadowColor;
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var animateSpec = animateGrid.get(r, c);
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if (client.allowAnimation && animateSpec)
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{
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if (animateSpec.before) //fading animation
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{
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var frac = (animateSpec.frame / ANIMATE_FRAMES);
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var back = new core.Color(.58, .41, .92, 1);
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baseColor = animateSpec.before.lightBaseColor.interpolateToString(back, frac);
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shadowColor = animateSpec.before.shadowColor.interpolateToString(back, frac);
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}
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else
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continue;
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}
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else if (p)
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{
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baseColor = p.lightBaseColor;
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shadowColor = p.shadowColor;
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}
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else //No animation nor is this player owned.
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continue;
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var hasBottom = !grid.isOutOfBounds(r + 1, c);
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var bottomAnimate = hasBottom && animateGrid.get(r + 1, c);
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var totalStatic = !bottomAnimate && !animateSpec;
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var bottomEmpty = totalStatic ? (hasBottom && !grid.get(r + 1, c)) :
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(!bottomAnimate || (bottomAnimate.after && bottomAnimate.before));
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if (hasBottom && ((!!bottomAnimate ^ !!animateSpec) || bottomEmpty))
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{
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ctx.fillStyle = shadowColor.rgbString();
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ctx.fillRect(x, y + CELL_WIDTH, CELL_WIDTH + 1, SHADOW_OFFSET);
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}
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ctx.fillStyle = baseColor.rgbString();
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ctx.fillRect(x, y, CELL_WIDTH + 1, CELL_WIDTH + 1);
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}
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}
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if (!client.allowAnimation)
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return;
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//Paint squares with drop in animation.
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for (var r = 0; r < grid.size; r++)
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{
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for (var c = 0; c < grid.size; c++)
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{
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animateSpec = animateGrid.get(r, c);
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x = c * CELL_WIDTH, y = r * CELL_WIDTH;
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if (animateSpec && client.allowAnimation)
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{
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var viewable = r >= minRow && r < maxRow && c >= minCol && c < maxCol;
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if (animateSpec.after && viewable)
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{
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//Bouncing the squares.
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var offsetBounce = getBounceOffset(animateSpec.frame);
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y -= offsetBounce;
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shadowColor = animateSpec.after.shadowColor;
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baseColor = animateSpec.after.lightBaseColor.deriveLumination(-(offsetBounce / DROP_HEIGHT) * .1);
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ctx.fillStyle = shadowColor.rgbString();
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ctx.fillRect(x, y + CELL_WIDTH, CELL_WIDTH, SHADOW_OFFSET);
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ctx.fillStyle = baseColor.rgbString();
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ctx.fillRect(x, y, CELL_WIDTH + 1, CELL_WIDTH + 1);
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}
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animateSpec.frame++;
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if (animateSpec.frame >= ANIMATE_FRAMES)
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animateGrid.set(r, c, null);
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}
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}
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}
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}
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function paintUIBar(ctx)
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{
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//UI Bar background
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ctx.fillStyle = "#24422c";
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ctx.fillRect(0, 0, canvasWidth, BAR_HEIGHT);
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var barOffset;
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ctx.fillStyle = "white";
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ctx.font = "24px Changa";
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barOffset = (user && user.name) ? (ctx.measureText(user.name).width + 20) : 0;
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ctx.fillText(user ? user.name : "", 5, CELL_WIDTH - 5);
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//Draw filled bar.
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ctx.fillStyle = "rgba(180, 180, 180, .3)";
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ctx.fillRect(barOffset, 0, BAR_WIDTH, BAR_HEIGHT);
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var userPortions = portionsRolling[user.num] ? portionsRolling[user.num].lag : 0;
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var barSize = Math.ceil((BAR_WIDTH - MIN_BAR_WIDTH) * userPortions + MIN_BAR_WIDTH);
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ctx.fillStyle = user ? user.baseColor.rgbString() : "";
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ctx.fillRect(barOffset, 0, barSize, CELL_WIDTH);
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ctx.fillStyle = user ? user.shadowColor.rgbString() : "";
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ctx.fillRect(barOffset, CELL_WIDTH, barSize, SHADOW_OFFSET);
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//TODO: dont reset kill count and zoom when we request frames.
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//Percentage
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ctx.fillStyle = "white";
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ctx.font = "18px Changa";
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ctx.fillText((userPortions * 100).toFixed(3) + "%", 5 + barOffset, CELL_WIDTH - 5);
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//Number of kills
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var killsText = "Kills: " + client.kills;
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var killsOffset = 20 + BAR_WIDTH + barOffset;
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ctx.fillText(killsText, killsOffset, CELL_WIDTH - 5);
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//Calcuate rank
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var sorted = [];
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client.getPlayers().forEach(function(val) {
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sorted.push({player: val, portion: playerPortion[val.num]});
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});
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sorted.sort(function(a, b) {
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if (a.portion === b.portion) return a.player.num - b.player.num;
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else return b.portion - a.portion;
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});
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var rank = sorted.findIndex(function(val) {return val.player === user});
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ctx.fillText("Rank: " + (rank === -1 ? "--" : rank + 1) + " of " + sorted.length,
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ctx.measureText(killsText).width + killsOffset + 20, CELL_WIDTH - 5);
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//Rolling the leaderboard bars.
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if (sorted.length > 0)
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{
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var maxPortion = sorted[0].portion;
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client.getPlayers().forEach(function(player) {
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var rolling = barProportionRolling[player.num];
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rolling.value = playerPortion[player.num] / maxPortion;
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rolling.update();
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});
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}
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//Show leaderboard.
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var leaderboardNum = Math.min(5, sorted.length);
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for (var i = 0; i < leaderboardNum; i++)
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{
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var player = sorted[i].player;
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var name = player.name || "Unnamed";
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var portion = barProportionRolling[player.num].lag;
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var nameWidth = ctx.measureText(name).width;
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barSize = Math.ceil((BAR_WIDTH - MIN_BAR_WIDTH) * portion + MIN_BAR_WIDTH);
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var barX = canvasWidth - barSize;
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var barY = BAR_HEIGHT * (i + 1);
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var offset = i == 0 ? 10 : 0;
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ctx.fillStyle = 'rgba(10, 10, 10, .3)';
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ctx.fillRect(barX - 10, barY + 10 - offset, barSize + 10, BAR_HEIGHT + offset);
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ctx.fillStyle = player.baseColor.rgbString();
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ctx.fillRect(barX, barY, barSize, CELL_WIDTH);
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ctx.fillStyle = player.shadowColor.rgbString();
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ctx.fillRect(barX, barY + CELL_WIDTH, barSize, SHADOW_OFFSET);
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ctx.fillStyle = "black";
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ctx.fillText(name, barX - nameWidth - 15, barY + 27);
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var percentage = (portionsRolling[player.num].lag * 100).toFixed(3) + "%";
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ctx.fillStyle = "white";
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ctx.fillText(percentage, barX + 5, barY + CELL_WIDTH - 5);
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}
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}
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function paint(ctx)
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{
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ctx.fillStyle = '#e2ebf3'; //'whitesmoke';
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ctx.fillRect(0, 0, canvasWidth, canvasHeight);
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//Move grid to viewport as said with the offsets, below the stats
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ctx.save();
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ctx.translate(0, BAR_HEIGHT);
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ctx.beginPath();
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ctx.rect(0, 0, gameWidth, gameHeight);
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ctx.clip();
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//Zoom in/out based on player stats.
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ctx.scale(zoom, zoom);
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ctx.translate(-offset[0] + BORDER_WIDTH, -offset[1] + BORDER_WIDTH);
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paintGrid(ctx);
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client.getPlayers().forEach(function (p) {
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var fr = p.waitLag;
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if (fr < ANIMATE_FRAMES)
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p.render(ctx, fr / ANIMATE_FRAMES);
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else
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p.render(ctx);
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});
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//Reset transform to paint fixed UI elements
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ctx.restore();
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paintUIBar(ctx);
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if ((!user || user.dead) && !showedDead)
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{
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showedDead = true;
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console.log("You died!");
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//return;
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}
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}
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function paintDoubleBuff()
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{
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paint(offctx);
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ctx.drawImage(offscreenCanvas, 0, 0);
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}
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function update() {
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updateSize();
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//Change grid offsets.
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for (var i = 0; i <= 1; i++)
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{
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if (animateTo[i] !== offset[i])
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{
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if (client.allowAnimation)
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{
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var delta = animateTo[i] - offset[i];
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var dir = Math.sign(delta);
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var mag = Math.min(SPEED, Math.abs(delta));
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offset[i] += dir * mag;
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}
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else
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offset[i] = animateTo[i];
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}
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}
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//Calculate player portions.
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client.getPlayers().forEach(function(player) {
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var roll = portionsRolling[player.num];
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roll.value = playerPortion[player.num] / GRID_SIZE / GRID_SIZE;
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roll.update();
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});
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//Zoom goes from 1 to .5, decreasing as portion goes up. TODO: maybe can modify this?
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if (portionsRolling[user.num])
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zoom = 1 / (portionsRolling[user.num].lag + 1);
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//TODO: animate player is dead. (maybe explosion?), and tail rewinds itself.
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if (user) centerOnPlayer(user, animateTo);
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}
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//Helper methods.
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function centerOnPlayer(player, pos)
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{
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var xOff = Math.floor(player.posX - (gameWidth / zoom - CELL_WIDTH) / 2);
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var yOff = Math.floor(player.posY - (gameHeight / zoom - CELL_WIDTH) / 2);
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var gridWidth = grid.size * CELL_WIDTH + BORDER_WIDTH * 2;
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pos[0] = xOff; //Math.max(Math.min(xOff, gridWidth + (BAR_WIDTH + 100) / zoom - gameWidth / zoom), 0);
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pos[1] = yOff; //Math.max(Math.min(yOff, gridWidth - gameHeight / zoom), 0);
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}
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function getBounceOffset(frame)
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{
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var offsetBounce = ANIMATE_FRAMES;
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var bounceNum = BOUNCE_FRAMES.length - 1;
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while (bounceNum >= 0 && frame < offsetBounce - BOUNCE_FRAMES[bounceNum])
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{
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offsetBounce -= BOUNCE_FRAMES[bounceNum];
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bounceNum--;
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}
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if (bounceNum === -1)
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{
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return (offsetBounce - frame) * DROP_SPEED;
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}
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else
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{
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offsetBounce -= BOUNCE_FRAMES[bounceNum];
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frame = frame - offsetBounce;
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var midFrame = BOUNCE_FRAMES[bounceNum] / 2;
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if (frame >= midFrame)
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return (BOUNCE_FRAMES[bounceNum] - frame) * DROP_SPEED;
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else
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return frame * DROP_SPEED;
|
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}
|
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}
|
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|
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function showStats() {
|
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//TODO: Show score stats.
|
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$("#begin").removeClass("hidden");
|
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$("#begin").animate({
|
||
opacity: .9999
|
||
}, 1000, function() {
|
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$("#stats").addClass("hidden").css("opacity", 0);
|
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});
|
||
}
|
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|
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module.exports = exports = {
|
||
addPlayer: function(player) {
|
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playerPortion[player.num] = 0;
|
||
portionsRolling[player.num] = new Rolling(9 / GRID_SIZE / GRID_SIZE, ANIMATE_FRAMES);
|
||
barProportionRolling[player.num] = new Rolling(0, ANIMATE_FRAMES);
|
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},
|
||
disconnect: function() {
|
||
//Show score stats.
|
||
$("#stats").removeClass("hidden");
|
||
$("#stats").animate({
|
||
opacity: .9999
|
||
}, 3000, function() {
|
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showStats();
|
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//Then fade back into the login screen.
|
||
});
|
||
},
|
||
removePlayer: function(player) {
|
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delete playerPortion[player.num];
|
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delete portionsRolling[player.num];
|
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delete barProportionRolling[player.num];
|
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},
|
||
|
||
setUser: function(player) {
|
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user = player;
|
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centerOnPlayer(user, offset);
|
||
},
|
||
reset: reset,
|
||
updateGrid: function(row, col, before, after) {
|
||
//Keep track of areas.
|
||
if (before)
|
||
playerPortion[before.num]--;
|
||
if (after)
|
||
playerPortion[after.num]++;
|
||
|
||
//Queue animation
|
||
if (before === after || !client.allowAnimation)
|
||
return;
|
||
animateGrid.set(row, col, {
|
||
before: before,
|
||
after: after,
|
||
frame: 0
|
||
});
|
||
},
|
||
paint: paintDoubleBuff,
|
||
update: update
|
||
};
|
||
|
||
},{"../client":3,"../game-core":9,"./rolling":1}],3:[function(require,module,exports){
|
||
var core = require('./game-core');
|
||
var Player = core.Player;
|
||
|
||
var io = require('socket.io-client');
|
||
|
||
var GRID_SIZE = core.GRID_SIZE;
|
||
var CELL_WIDTH = core.CELL_WIDTH;
|
||
|
||
var running = false;
|
||
var user, socket, frame;
|
||
var players, allPlayers;
|
||
|
||
var kills;
|
||
|
||
var timeout = undefined;
|
||
var dirty = false;
|
||
var deadFrames = 0;
|
||
var requesting = -1; //frame that we are requesting at.
|
||
var frameCache = []; //Frames after our request.
|
||
|
||
var allowAnimation = true;
|
||
|
||
var grid = new core.Grid(core.GRID_SIZE, function(row, col, before, after) {
|
||
invokeRenderer('updateGrid', [row, col, before, after]);
|
||
});
|
||
|
||
/**
|
||
* Provides requestAnimationFrame in a cross browser way. (edited so that this is also compatible with node.)
|
||
* @author paulirish / http://paulirish.com/
|
||
*/
|
||
// window.requestAnimationFrame = function( /* function FrameRequestCallback */ callback, /* DOMElement Element */ element ) {
|
||
// window.setTimeout( callback, 1000 / 60 );
|
||
// };
|
||
|
||
var hasWindow;
|
||
try {
|
||
window.document;
|
||
hasWindow = true;
|
||
} catch (e) {
|
||
hasWindow = false;
|
||
}
|
||
|
||
var requestAnimationFrame;
|
||
if ( !requestAnimationFrame ) {
|
||
requestAnimationFrame = ( function() {
|
||
if (hasWindow) {
|
||
return window.requestAnimationFrame ||
|
||
window.webkitRequestAnimationFrame ||
|
||
window.mozRequestAnimationFrame ||
|
||
window.oRequestAnimationFrame ||
|
||
window.msRequestAnimationFrame ||
|
||
function( /* function FrameRequestCallback */ callback, /* DOMElement Element */ element ) {
|
||
setTimeout( callback, 1000 / 60 );
|
||
};
|
||
} else {
|
||
return function( /* function FrameRequestCallback */ callback, /* DOMElement Element */ element ) {
|
||
setTimeout( callback, 1000 / 60 );
|
||
};
|
||
}
|
||
})();
|
||
}
|
||
|
||
//Public API
|
||
function connectGame(url, name, callback) {
|
||
if (running)
|
||
return; //Prevent multiple runs.
|
||
running = true;
|
||
|
||
user = null;
|
||
deadFrames = 0;
|
||
|
||
//Socket connection.
|
||
io.j = [];
|
||
io.sockets = [];
|
||
socket = io(url, {
|
||
'forceNew': true,
|
||
upgrade: false,
|
||
transports: ['websocket']
|
||
});
|
||
socket.on('connect', function(){
|
||
console.info('Connected to server.');
|
||
});
|
||
socket.on('game', function(data) {
|
||
if (timeout != undefined)
|
||
clearTimeout(timeout);
|
||
|
||
//Initialize game.
|
||
//TODO: display data.gameid --- game id #
|
||
frame = data.frame;
|
||
|
||
reset();
|
||
|
||
//Load players.
|
||
data.players.forEach(function(p) {
|
||
var pl = new Player(grid, p);
|
||
addPlayer(pl);
|
||
});
|
||
user = allPlayers[data.num];
|
||
if (!user)
|
||
throw new Error();
|
||
setUser(user);
|
||
|
||
//Load grid.
|
||
var gridData = new Uint8Array(data.grid);
|
||
for (var r = 0; r < grid.size; r++)
|
||
for (var c = 0; c < grid.size; c++)
|
||
{
|
||
var ind = gridData[r * grid.size + c] - 1;
|
||
grid.set(r, c, ind === -1 ? null : players[ind]);
|
||
}
|
||
|
||
invokeRenderer('paint', []);
|
||
frame = data.frame;
|
||
|
||
if (requesting !== -1)
|
||
{
|
||
//Update those cache frames after we updated game.
|
||
var minFrame = requesting;
|
||
requesting = -1;
|
||
while (frameCache.length > frame - minFrame)
|
||
processFrame(frameCache[frame - minFrame]);
|
||
frameCache = [];
|
||
}
|
||
});
|
||
|
||
socket.on('notifyFrame', processFrame);
|
||
|
||
socket.on('dead', function() {
|
||
socket.disconnect(); //In case we didn't get the disconnect call.
|
||
});
|
||
|
||
socket.on('disconnect', function(){
|
||
if (!user)
|
||
return;
|
||
console.info('Server has disconnected. Creating new game.');
|
||
socket.disconnect();
|
||
user.die();
|
||
dirty = true;
|
||
paintLoop();
|
||
running = false;
|
||
invokeRenderer('disconnect', []);
|
||
});
|
||
|
||
socket.emit('hello', {
|
||
name: name,
|
||
type: 0, //Free-for-all
|
||
gameid: -1 //Requested game-id, or -1 for anyone.
|
||
}, function(success, msg) {
|
||
if (success)
|
||
console.info('Connected to game!');
|
||
else {
|
||
console.error('Unable to connect to game: ' + msg);
|
||
running = false;
|
||
}
|
||
if (callback)
|
||
callback(success, msg);
|
||
});
|
||
|
||
|
||
}
|
||
|
||
function changeHeading(newHeading) {
|
||
if (!user || user.dead)
|
||
return;
|
||
if (newHeading === user.currentHeading || ((newHeading % 2 === 0) ^
|
||
(user.currentHeading % 2 === 0)))
|
||
{
|
||
//user.heading = newHeading;
|
||
if (socket) {
|
||
socket.emit('frame', {
|
||
frame: frame,
|
||
heading: newHeading
|
||
}, function(success, msg) {
|
||
if (!success)
|
||
console.error(msg);
|
||
});
|
||
}
|
||
}
|
||
}
|
||
|
||
function getPlayers() {
|
||
return players.slice();
|
||
}
|
||
|
||
//Private API
|
||
function addPlayer(player) {
|
||
if (allPlayers[player.num])
|
||
return; //Already added.
|
||
allPlayers[player.num] = players[players.length] = player;
|
||
invokeRenderer('addPlayer', [player]);
|
||
return players.length - 1;
|
||
}
|
||
|
||
function invokeRenderer(name, args) {
|
||
var renderer = exports.renderer;
|
||
if (renderer && typeof renderer[name] === 'function')
|
||
renderer[name].apply(exports, args);
|
||
}
|
||
|
||
|
||
function processFrame(data)
|
||
{
|
||
if (timeout != undefined)
|
||
clearTimeout(timeout);
|
||
|
||
if (requesting !== -1 && requesting < data.frame)
|
||
{
|
||
frameCache.push(data);
|
||
return;
|
||
}
|
||
|
||
if (data.frame - 1 !== frame)
|
||
{
|
||
console.error('Frames don\'t match up!');
|
||
socket.emit('requestFrame'); //Restore data.
|
||
requesting = data.frame;
|
||
frameCache.push(data);
|
||
return;
|
||
}
|
||
|
||
frame++;
|
||
if (data.newPlayers)
|
||
{
|
||
data.newPlayers.forEach(function(p) {
|
||
if (p.num === user.num)
|
||
return;
|
||
var pl = new Player(grid, p);
|
||
addPlayer(pl);
|
||
core.initPlayer(grid, pl);
|
||
});
|
||
}
|
||
|
||
var found = new Array(players.length);
|
||
data.moves.forEach(function(val, i) {
|
||
var player = allPlayers[val.num];
|
||
if (!player) return;
|
||
if (val.left) player.die();
|
||
found[i] = true;
|
||
player.heading = val.heading;
|
||
});
|
||
for (var i = 0; i < players.length; i++)
|
||
{
|
||
//Implicitly leaving game.
|
||
if (!found[i])
|
||
{
|
||
var player = players[i];
|
||
player && player.die();
|
||
}
|
||
}
|
||
|
||
update();
|
||
|
||
var locs = {};
|
||
for (var i = 0; i < players.length; i++)
|
||
{
|
||
var p = players[i];
|
||
locs[p.num] = [p.posX, p.posY, p.waitLag];
|
||
}
|
||
|
||
/*
|
||
socket.emit('verify', {
|
||
frame: frame,
|
||
locs: locs
|
||
}, function(frame, success, adviceFix, msg) {
|
||
if (!success && requesting === -1)
|
||
{
|
||
console.error(frame + ': ' + msg);
|
||
if (adviceFix)
|
||
socket.emit('requestFrame');
|
||
}
|
||
}.bind(this, frame));
|
||
*/
|
||
|
||
dirty = true;
|
||
requestAnimationFrame(function() {
|
||
paintLoop();
|
||
});
|
||
timeout = setTimeout(function() {
|
||
console.warn('Server has timed-out. Disconnecting.');
|
||
socket.disconnect();
|
||
}, 3000);
|
||
}
|
||
|
||
function paintLoop()
|
||
{
|
||
if (!dirty)
|
||
return;
|
||
invokeRenderer('paint', []);
|
||
dirty = false;
|
||
|
||
if (user && user.dead)
|
||
{
|
||
if (timeout)
|
||
clearTimeout(timeout);
|
||
if (deadFrames === 60) //One second of frame
|
||
{
|
||
var before =allowAnimation;
|
||
allowAnimation = false;
|
||
update();
|
||
invokeRenderer('paint', []);
|
||
allowAnimation = before;
|
||
user = null;
|
||
deadFrames = 0;
|
||
return;
|
||
}
|
||
|
||
socket.disconnect();
|
||
deadFrames++;
|
||
dirty = true;
|
||
update();
|
||
requestAnimationFrame(paintLoop);
|
||
}
|
||
}
|
||
|
||
function reset() {
|
||
user = null;
|
||
|
||
grid.reset();
|
||
players = [];
|
||
allPlayers = [];
|
||
kills = 0;
|
||
|
||
invokeRenderer('reset');
|
||
}
|
||
|
||
function setUser(player) {
|
||
user = player;
|
||
invokeRenderer('setUser', [player]);
|
||
}
|
||
|
||
function update() {
|
||
var dead = [];
|
||
core.updateFrame(grid, players, dead, function addKill(killer, other)
|
||
{
|
||
if (players[killer] === user && killer !== other)
|
||
kills++;
|
||
});
|
||
dead.forEach(function(val) {
|
||
console.log((val.name || 'Unnamed') + ' is dead');
|
||
delete allPlayers[val.num];
|
||
invokeRenderer('removePlayer', [val]);
|
||
});
|
||
|
||
invokeRenderer('update', [frame]);
|
||
}
|
||
|
||
//Export stuff
|
||
var funcs = [connectGame, changeHeading, getPlayers];
|
||
funcs.forEach(function (f) {
|
||
exports[f.name] = f;
|
||
});
|
||
|
||
exports.renderer = null;
|
||
Object.defineProperties(exports, {
|
||
allowAnimation: {
|
||
get: function() { return allowAnimation; },
|
||
set: function(val) { allowAnimation = !!val; },
|
||
enumerable: true
|
||
},
|
||
grid: {
|
||
get: function() { return grid; },
|
||
enumerable: true
|
||
},
|
||
kills: {
|
||
get: function() { return kills; },
|
||
enumerable: true
|
||
}
|
||
});
|
||
|
||
},{"./game-core":9,"socket.io-client":44}],4:[function(require,module,exports){
|
||
/* global $ */
|
||
var client = require("./client");
|
||
var core = require("./game-core");
|
||
var io = require('socket.io-client');
|
||
|
||
var GRID_SIZE = core.GRID_SIZE;
|
||
var CELL_WIDTH = core.CELL_WIDTH;
|
||
|
||
client.allowAnimation = true;
|
||
client.renderer = require("./client-modes/user-mode");
|
||
|
||
/**
|
||
* Provides requestAnimationFrame in a cross browser way. (edited so that this is also compatible with node.)
|
||
* @author paulirish / http://paulirish.com/
|
||
*/
|
||
// window.requestAnimationFrame = function( /* function FrameRequestCallback */ callback, /* DOMElement Element */ element ) {
|
||
// window.setTimeout( callback, 1000 / 60 );
|
||
// };
|
||
var hasWindow;
|
||
try {
|
||
window.document;
|
||
hasWindow = true;
|
||
} catch (e) {
|
||
hasWindow = false;
|
||
}
|
||
|
||
var requestAnimationFrame;
|
||
if ( !requestAnimationFrame ) {
|
||
requestAnimationFrame = ( function() {
|
||
if (hasWindow) {
|
||
return window.requestAnimationFrame ||
|
||
window.webkitRequestAnimationFrame ||
|
||
window.mozRequestAnimationFrame ||
|
||
window.oRequestAnimationFrame ||
|
||
window.msRequestAnimationFrame ||
|
||
function( /* function FrameRequestCallback */ callback, /* DOMElement Element */ element ) {
|
||
setTimeout( callback, 1000 / 60 );
|
||
};
|
||
} else {
|
||
return function( /* function FrameRequestCallback */ callback, /* DOMElement Element */ element ) {
|
||
setTimeout( callback, 1000 / 60 );
|
||
};
|
||
}
|
||
})();
|
||
}
|
||
|
||
function run() {
|
||
client.connectGame('//' + window.location.hostname + ':8081', $('#name').val(), function(success, msg) {
|
||
if (success)
|
||
{
|
||
$("#begin").addClass("hidden");
|
||
$("#begin").animate({
|
||
opacity: 0
|
||
}, 1000);
|
||
}
|
||
else
|
||
{
|
||
var error = $("#error");
|
||
error.text(msg);
|
||
}
|
||
});
|
||
}
|
||
|
||
$(function() {
|
||
var error = $("#error");
|
||
|
||
if (!window.WebSocket)
|
||
{
|
||
error.text("Your browser does not support WebSockets!");
|
||
return;
|
||
}
|
||
|
||
error.text("Loading..."); //TODO: show loading screen.
|
||
var success = false;
|
||
var socket = io('http://' + window.location.hostname + ':8081', {
|
||
'forceNew': true,
|
||
upgrade: false,
|
||
transports: ['websocket']
|
||
});
|
||
|
||
socket.on('connect_error', function() {
|
||
if (!success)
|
||
error.text("Cannot connect with server. This probably is due to misconfigured proxy server. (Try using a different browser)");
|
||
});
|
||
socket.emit("checkConn", function() {
|
||
success = true;
|
||
socket.disconnect();
|
||
});
|
||
setTimeout(function() {
|
||
if (!success)
|
||
error.text("Cannot connect with server. This probably is due to misconfigured proxy server. (Try using a different browser)");
|
||
else
|
||
{
|
||
error.text("");
|
||
$("input").keypress(function(evt) {
|
||
if (evt.which === 13)
|
||
requestAnimationFrame(run);
|
||
});
|
||
$("button").click(function(evt) {
|
||
requestAnimationFrame(run);
|
||
});
|
||
}
|
||
}, 2000);
|
||
});
|
||
|
||
|
||
//Event listeners
|
||
$(document).keydown(function(e) {
|
||
var newHeading = -1;
|
||
switch (e.which)
|
||
{
|
||
case 37: newHeading = 3; break; //LEFT
|
||
case 38: newHeading = 0; break; //UP
|
||
case 39: newHeading = 1; break; //RIGHT
|
||
case 40: newHeading = 2; break; //DOWN
|
||
default: return; //exit handler for other keys.
|
||
}
|
||
|
||
client.changeHeading(newHeading);
|
||
e.preventDefault();
|
||
});
|
||
|
||
},{"./client":3,"./client-modes/user-mode":2,"./game-core":9,"socket.io-client":44}],5:[function(require,module,exports){
|
||
|
||
|
||
function Color(h, s, l, a)
|
||
{
|
||
verifyRange(h, s, l);
|
||
if (a === undefined) a = 1;
|
||
else verifyRange(a);
|
||
|
||
Object.defineProperties(this, {
|
||
"hue": {value: h, enumerable: true},
|
||
"sat": {value: s, enumerable: true},
|
||
"lum": {value: l, enumerable: true},
|
||
"alpha": {value: a, enumerable: true},
|
||
});
|
||
}
|
||
|
||
Color.fromData = function(data) {
|
||
return new Color(data.hue, data.sat, data.lum, data.alpha);
|
||
};
|
||
|
||
function verifyRange()
|
||
{
|
||
for (var i = 0; i < arguments.length; i++)
|
||
{
|
||
if (arguments[i] < 0 || arguments[i] > 1)
|
||
throw new RangeError("H, S, L, and A parameters must be between the range [0, 1]");
|
||
}
|
||
}
|
||
|
||
Color.prototype.interpolateToString = function(color, amount)
|
||
{
|
||
var rgbThis = hslToRgb(this.hue, this.sat, this.lum);
|
||
var rgbThat = hslToRgb(color.hue, color.sat, color.lum);
|
||
var rgb = [];
|
||
|
||
for (var i = 0; i < 3; i++)
|
||
rgb[i] = Math.floor((rgbThat[i] - rgbThis[i]) * amount + rgbThis[i]);
|
||
return {rgbString: function() {return 'rgb(' + rgb[0] + ', ' + rgb[1] + ', ' + rgb[2] + ')'}};
|
||
}
|
||
|
||
Color.prototype.deriveLumination = function(amount)
|
||
{
|
||
var lum = this.lum + amount;
|
||
lum = Math.min(Math.max(lum, 0), 1);
|
||
return new Color(this.hue, this.sat, lum, this.alpha);
|
||
};
|
||
|
||
Color.prototype.deriveHue = function(amount)
|
||
{
|
||
var hue = this.hue - amount;
|
||
return new Color(hue - Math.floor(hue), this.sat, this.lum, this.alpha);
|
||
};
|
||
|
||
Color.prototype.deriveSaturation = function(amount)
|
||
{
|
||
var sat = this.sat + amount;
|
||
sat = Math.min(Math.max(sat, 0), 1);
|
||
return new Color(this.hue, sat, this.lum, this.alpha);
|
||
};
|
||
|
||
Color.prototype.deriveAlpha = function(newAlpha)
|
||
{
|
||
verifyRange(newAlpha);
|
||
return new Color(this.hue, this.sat, this.lum, newAlpha);
|
||
};
|
||
|
||
Color.prototype.rgbString = function() {
|
||
var rgb = hslToRgb(this.hue, this.sat, this.lum);
|
||
rgb[3] = this.a;
|
||
return 'rgba(' + rgb[0] + ', ' + rgb[1] + ', ' + rgb[2] + ', ' + this.alpha + ')';
|
||
};
|
||
|
||
|
||
//http://stackoverflow.com/a/9493060/7344257
|
||
function hslToRgb(h, s, l){
|
||
var r, g, b;
|
||
|
||
if(s == 0){
|
||
r = g = b = l; // achromatic
|
||
}else{
|
||
var hue2rgb = function hue2rgb(p, q, t){
|
||
if(t < 0) t += 1;
|
||
if(t > 1) t -= 1;
|
||
if(t < 1/6) return p + (q - p) * 6 * t;
|
||
if(t < 1/2) return q;
|
||
if(t < 2/3) return p + (q - p) * (2/3 - t) * 6;
|
||
return p;
|
||
};
|
||
|
||
var q = l < 0.5 ? l * (1 + s) : l + s - l * s;
|
||
var p = 2 * l - q;
|
||
r = hue2rgb(p, q, h + 1/3);
|
||
g = hue2rgb(p, q, h);
|
||
b = hue2rgb(p, q, h - 1/3);
|
||
}
|
||
|
||
return [Math.round(r * 255), Math.round(g * 255), Math.round(b * 255)];
|
||
}
|
||
|
||
module.exports = Color;
|
||
},{}],6:[function(require,module,exports){
|
||
function constant(val) {
|
||
return {
|
||
value: val,
|
||
enumerable: true
|
||
};
|
||
}
|
||
|
||
var consts = {
|
||
GRID_SIZE: constant(80),
|
||
CELL_WIDTH: constant(40),
|
||
SPEED: constant(5),
|
||
BORDER_WIDTH: constant(20),
|
||
MAX_PLAYERS: constant(81)
|
||
};
|
||
|
||
Object.defineProperties(module.exports, consts);
|
||
|
||
},{}],7:[function(require,module,exports){
|
||
var ANIMATE_FRAMES = 24;
|
||
var CELL_WIDTH = 40;
|
||
|
||
//TODO: remove constants.
|
||
exports.initPlayer = function(grid, player)
|
||
{
|
||
for (var dr = -1; dr <= 1; dr++)
|
||
for (var dc = -1; dc <= 1; dc++)
|
||
if (!grid.isOutOfBounds(dr + player.row, dc + player.col))
|
||
grid.set(dr + player.row, dc + player.col, player);
|
||
};
|
||
exports.updateFrame = function(grid, players, dead, notifyKill)
|
||
{
|
||
var adead = [];
|
||
if (dead instanceof Array)
|
||
adead = dead;
|
||
|
||
var kill;
|
||
if (!notifyKill)
|
||
kill = function() {};
|
||
else
|
||
kill = function(killer, other) {if (!removing[other]) notifyKill(killer, other);};
|
||
|
||
//Move players.
|
||
var tmp = players.filter(function(val) {
|
||
val.move();
|
||
if (val.dead)
|
||
adead.push(val);
|
||
return !val.dead;
|
||
});
|
||
|
||
//Remove players with collisions.
|
||
var removing = new Array(players.length);
|
||
for (var i = 0; i < players.length; i++)
|
||
{
|
||
for (var j = i; j < players.length; j++)
|
||
{
|
||
|
||
//Remove those players when other players have hit their tail.
|
||
if (!removing[j] && players[j].tail.hitsTail(players[i]))
|
||
{
|
||
kill(i, j);
|
||
removing[j] = true;
|
||
//console.log("TAIL");
|
||
}
|
||
if (!removing[i] && players[i].tail.hitsTail(players[j]))
|
||
{
|
||
kill(j, i);
|
||
removing[i] = true;
|
||
//console.log("TAIL");
|
||
}
|
||
|
||
//Remove players with collisons...
|
||
if (i !== j && squaresIntersect(players[i].posX, players[j].posX) &&
|
||
squaresIntersect(players[i].posY, players[j].posY))
|
||
{
|
||
//...if one player is own his own territory, the other is out.
|
||
if (grid.get(players[i].row, players[i].col) === players[i])
|
||
{
|
||
kill(i, j);
|
||
removing[j] = true;
|
||
}
|
||
else if (grid.get(players[j].row, players[j].col) === players[j])
|
||
{
|
||
kill(j, i);
|
||
removing[i] = true;
|
||
}
|
||
else
|
||
{
|
||
//...otherwise, the one that sustains most of the collision will be removed.
|
||
var areaI = area(players[i]);
|
||
var areaJ = area(players[j]);
|
||
|
||
if (areaI === areaJ)
|
||
{
|
||
kill(i, j);
|
||
kill(j, i);
|
||
removing[i] = removing[j] = true;
|
||
}
|
||
else if (areaI > areaJ)
|
||
{
|
||
kill(j, i);
|
||
removing[i] = true;
|
||
}
|
||
else
|
||
{
|
||
kill(i, j);
|
||
removing[j] = true;
|
||
}
|
||
}
|
||
}
|
||
}
|
||
}
|
||
|
||
tmp = tmp.filter(function(val, i) {
|
||
if (removing[i])
|
||
{
|
||
adead.push(val);
|
||
val.die();
|
||
}
|
||
return !removing[i];
|
||
});
|
||
players.length = tmp.length;
|
||
for (var i = 0; i < tmp.length; i++)
|
||
players[i] = tmp[i];
|
||
|
||
//Remove dead squares.
|
||
for (var r = 0; r < grid.size; r++)
|
||
{
|
||
for (var c = 0; c < grid.size; c++)
|
||
{
|
||
if (adead.indexOf(grid.get(r, c)) !== -1)
|
||
grid.set(r, c, null);
|
||
}
|
||
}
|
||
};
|
||
|
||
function squaresIntersect(a, b)
|
||
{
|
||
if (a < b)
|
||
return b < a + CELL_WIDTH;
|
||
else
|
||
return a < b + CELL_WIDTH;
|
||
}
|
||
|
||
function area(player)
|
||
{
|
||
var xDest = player.col * CELL_WIDTH;
|
||
var yDest = player.row * CELL_WIDTH;
|
||
|
||
if (player.posX === xDest)
|
||
return Math.abs(player.posY - yDest);
|
||
else
|
||
return Math.abs(player.posX - xDest);
|
||
}
|
||
},{}],8:[function(require,module,exports){
|
||
function Grid(size, changeCallback)
|
||
{
|
||
var grid = new Array(size);
|
||
var modified = false;
|
||
|
||
var data = {
|
||
grid: grid,
|
||
size: size
|
||
};
|
||
|
||
this.get = function(row, col)
|
||
{
|
||
if (isOutOfBounds(data, row, col))
|
||
throw new RangeError("Row or Column value out of bounds");
|
||
return grid[row] && grid[row][col];
|
||
}
|
||
this.set = function(row, col, value)
|
||
{
|
||
if (isOutOfBounds(data, row, col))
|
||
throw new RangeError("Row or Column value out of bounds");
|
||
|
||
if (!grid[row])
|
||
grid[row] = new Array(size);
|
||
var before = grid[row][col];
|
||
grid[row][col] = value;
|
||
|
||
if (typeof changeCallback === "function")
|
||
changeCallback(row, col, before, value);
|
||
|
||
modified = true;
|
||
|
||
return before;
|
||
}
|
||
this.reset = function() {
|
||
if (modified)
|
||
{
|
||
grid = new Array(size);
|
||
modified = false;
|
||
}
|
||
}
|
||
|
||
this.isOutOfBounds = isOutOfBounds.bind(this, data);
|
||
|
||
Object.defineProperty(this, "size", {
|
||
get: function() {return size; },
|
||
enumerable: true
|
||
});
|
||
|
||
}
|
||
|
||
function isOutOfBounds(data, row, col)
|
||
{
|
||
return row < 0 || row >= data.size || col < 0 || col >= data.size;
|
||
}
|
||
|
||
module.exports = Grid;
|
||
},{}],9:[function(require,module,exports){
|
||
var core = require('./game-core');
|
||
var consts = require('./game-consts');
|
||
|
||
exports.Color = require('./color');
|
||
exports.Grid = require('./grid');
|
||
exports.Player = require('./player');
|
||
|
||
exports.initPlayer = core.initPlayer;
|
||
exports.updateFrame = core.updateFrame;
|
||
|
||
for (var prop in consts) {
|
||
Object.defineProperty(exports, prop, {
|
||
enumerable: true,
|
||
value: consts[prop]
|
||
});
|
||
}
|
||
|
||
|
||
},{"./color":5,"./game-consts":6,"./game-core":7,"./grid":8,"./player":10}],10:[function(require,module,exports){
|
||
var Stack = require("./stack");
|
||
var Color = require("./color");
|
||
var Grid = require("./grid.js");
|
||
var consts = require("./game-consts.js");
|
||
|
||
var GRID_SIZE = consts.GRID_SIZE;
|
||
var CELL_WIDTH = consts.CELL_WIDTH;
|
||
var NEW_PLAYER_LAG = 60; //wait for a second at least.
|
||
|
||
function defineGetter(getter) {
|
||
return {
|
||
get: getter,
|
||
enumerable: true
|
||
};
|
||
}
|
||
|
||
function defineInstanceMethods(thisobj, data /*, methods...*/)
|
||
{
|
||
for (var i = 2; i < arguments.length; i++)
|
||
thisobj[arguments[i].name] = arguments[i].bind(this, data);
|
||
}
|
||
|
||
function defineAccessorProperties(thisobj, data /*, names...*/)
|
||
{
|
||
var descript = {};
|
||
function getAt(name) { return function() {return data[name] } }
|
||
for (var i = 2; i < arguments.length; i++)
|
||
descript[arguments[i]] = defineGetter(getAt(arguments[i]));
|
||
Object.defineProperties(thisobj, descript);
|
||
}
|
||
|
||
function TailMove(orientation)
|
||
{
|
||
this.move = 1;
|
||
Object.defineProperty(this, "orientation", {
|
||
value: orientation,
|
||
enumerable: true
|
||
});
|
||
}
|
||
|
||
function Tail(player, sdata)
|
||
{
|
||
var data = {
|
||
tail: [],
|
||
tailGrid: [],
|
||
prev: null,
|
||
startRow: 0,
|
||
startCol: 0,
|
||
prevRow: 0,
|
||
prevCol: 0,
|
||
player: player
|
||
};
|
||
|
||
if (sdata)
|
||
{
|
||
data.startRow = data.prevRow = sdata.startRow || 0;
|
||
data.startCol = data.prevCol = sdata.startCol || 0;
|
||
sdata.tail.forEach(function(val) {
|
||
addTail(data, val.orientation, val.move);
|
||
});
|
||
}
|
||
data.grid = player.grid;
|
||
|
||
defineInstanceMethods(this, data, addTail, hitsTail, fillTail, renderTail, reposition, serialData);
|
||
Object.defineProperty(this, "moves", {
|
||
get: function() {return data.tail.slice(0);},
|
||
enumerable: true
|
||
});
|
||
}
|
||
|
||
//Instance methods.
|
||
function serialData(data) {
|
||
return {
|
||
tail: data.tail,
|
||
startRow: data.startRow,
|
||
startCol: data.startCol
|
||
};
|
||
}
|
||
|
||
function setTailGrid(data, tailGrid, r, c)
|
||
{
|
||
if (!tailGrid[r])
|
||
tailGrid[r] = [];
|
||
tailGrid[r][c] = true;
|
||
}
|
||
|
||
function addTail(data, orientation, count)
|
||
{
|
||
if (count === undefined)
|
||
count = 1;
|
||
if (!count || count < 0)
|
||
return;
|
||
|
||
var prev = data.prev;
|
||
var r = data.prevRow, c = data.prevCol;
|
||
if (data.tail.length === 0)
|
||
setTailGrid(data, data.tailGrid, r, c);
|
||
|
||
if (!prev || prev.orientation !== orientation)
|
||
{
|
||
prev = data.prev = new TailMove(orientation);
|
||
data.tail.push(prev);
|
||
prev.move += count - 1;
|
||
}
|
||
else
|
||
prev.move += count;
|
||
|
||
for (var i = 0; i < count; i++)
|
||
{
|
||
var pos = walk([data.prevRow, data.prevCol], null, orientation, 1);
|
||
data.prevRow = pos[0];
|
||
data.prevCol = pos[1];
|
||
setTailGrid(data, data.tailGrid, pos[0], pos[1]);
|
||
}
|
||
|
||
}
|
||
|
||
function reposition(data, row, col)
|
||
{
|
||
data.prevRow = data.startRow = row;
|
||
data.prevCol = data.startCol = col;
|
||
data.prev = null;
|
||
if (data.tail.length === 0)
|
||
return;
|
||
else
|
||
{
|
||
var ret = data.tail;
|
||
data.tail = [];
|
||
data.tailGrid = [];
|
||
return ret;
|
||
}
|
||
}
|
||
|
||
/*
|
||
function render2(data, ctx)
|
||
{
|
||
ctx.fillStyle = data.player.tailColor.rgbString();
|
||
for (var r = 0; r < data.tailGrid.length; r++)
|
||
{
|
||
if (!data.tailGrid[r])
|
||
continue;
|
||
for (var c = 0; c < data.tailGrid[r].length; c++)
|
||
if (data.tailGrid[r][c])
|
||
ctx.fillRect(c * CELL_WIDTH, r * CELL_WIDTH, CELL_WIDTH, CELL_WIDTH);
|
||
}
|
||
}
|
||
*/
|
||
|
||
//Helper methods.
|
||
function renderTail(data, ctx)
|
||
{
|
||
if (data.tail.length === 0)
|
||
return;
|
||
|
||
ctx.fillStyle = data.player.tailColor.rgbString();
|
||
|
||
var prevOrient = -1;
|
||
var start = [data.startRow, data.startCol];
|
||
|
||
//fillTailRect(ctx, start, start);
|
||
data.tail.forEach(function(tail) {
|
||
var negDir = tail.orientation === 0 || tail.orientation === 3;
|
||
|
||
var back = start;
|
||
if (!negDir)
|
||
start = walk(start, null, tail.orientation, 1);
|
||
var finish = walk(start, null, tail.orientation, tail.move - 1);
|
||
|
||
if (tail.move > 1)
|
||
fillTailRect(ctx, start, finish);
|
||
if (prevOrient !== -1)
|
||
//Draw folding triangle.
|
||
renderCorner(ctx, back, prevOrient, tail.orientation);
|
||
|
||
start = finish;
|
||
if (negDir)
|
||
walk(start, start, tail.orientation, 1);
|
||
prevOrient = tail.orientation;
|
||
});
|
||
|
||
var curOrient = data.player.currentHeading;
|
||
if (prevOrient === curOrient)
|
||
{
|
||
fillTailRect(ctx, start, start);
|
||
}
|
||
else
|
||
renderCorner(ctx, start, prevOrient, curOrient);
|
||
}
|
||
|
||
function renderCorner(ctx, cornerStart, dir1, dir2)
|
||
{
|
||
if (dir1 === 0 || dir2 === 0)
|
||
walk(cornerStart, cornerStart, 2, 1);
|
||
if (dir1 === 3 || dir2 === 3)
|
||
walk(cornerStart, cornerStart, 1, 1);
|
||
|
||
var a = walk(cornerStart, null, dir2, 1);
|
||
var b = walk(a, null, dir1, 1);
|
||
|
||
var triangle = new Path2D();
|
||
triangle.moveTo(cornerStart[1] * CELL_WIDTH, cornerStart[0] * CELL_WIDTH);
|
||
triangle.lineTo(a[1] * CELL_WIDTH, a[0] * CELL_WIDTH);
|
||
triangle.lineTo(b[1] * CELL_WIDTH, b[0] * CELL_WIDTH);
|
||
triangle.closePath();
|
||
for (var i = 0; i < 2; i++)
|
||
ctx.fill(triangle);
|
||
}
|
||
|
||
function walk(from, ret, orient, dist)
|
||
{
|
||
ret = ret || [];
|
||
ret[0] = from[0];
|
||
ret[1] = from[1];
|
||
switch (orient)
|
||
{
|
||
case 0: ret[0] -= dist; break; //UP
|
||
case 1: ret[1] += dist; break; //RIGHT
|
||
case 2: ret[0] += dist; break; //DOWN
|
||
case 3: ret[1] -= dist; break; //LEFT
|
||
}
|
||
return ret;
|
||
}
|
||
|
||
function fillTailRect(ctx, start, end)
|
||
{
|
||
var x = start[1] * CELL_WIDTH;
|
||
var y = start[0] * CELL_WIDTH;
|
||
var width = (end[1] - start[1]) * CELL_WIDTH;
|
||
var height = (end[0] - start[0]) * CELL_WIDTH;
|
||
|
||
if (width === 0)
|
||
width += CELL_WIDTH;
|
||
if (height === 0)
|
||
height += CELL_WIDTH;
|
||
|
||
if (width < 0)
|
||
{
|
||
x += width;
|
||
width = -width;
|
||
}
|
||
if (height < 0)
|
||
{
|
||
y += height;
|
||
height = -height;
|
||
}
|
||
ctx.fillRect(x, y, width, height);
|
||
}
|
||
|
||
function fillTail(data)
|
||
{
|
||
if (data.tail.length === 0)
|
||
return;
|
||
|
||
function onTail(c) { return data.tailGrid[c[0]] && data.tailGrid[c[0]][c[1]]; }
|
||
|
||
var grid = data.grid;
|
||
var start = [data.startRow, data.startCol];
|
||
var been = new Grid(grid.size);
|
||
var coords = [];
|
||
|
||
coords.push(start);
|
||
while (coords.length > 0) //BFS for all tail spaces.
|
||
{
|
||
var coord = coords.shift();
|
||
var r = coord[0];
|
||
var c = coord[1];
|
||
|
||
if (grid.isOutOfBounds(r, c))
|
||
continue;
|
||
|
||
if (been.get(r, c))
|
||
continue;
|
||
|
||
if (onTail(coord)) //on the tail.
|
||
{
|
||
been.set(r, c, true);
|
||
grid.set(r, c, data.player);
|
||
|
||
//Find all spots that this tail encloses.
|
||
floodFill(data, grid, r + 1, c, been);
|
||
floodFill(data, grid, r - 1, c, been);
|
||
floodFill(data, grid, r, c + 1, been);
|
||
floodFill(data, grid, r, c - 1, been);
|
||
|
||
coords.push([r + 1, c]);
|
||
coords.push([r - 1, c]);
|
||
coords.push([r, c + 1]);
|
||
coords.push([r, c - 1]);
|
||
}
|
||
}
|
||
}
|
||
|
||
function floodFill(data, grid, row, col, been)
|
||
{
|
||
function onTail(c) { return data.tailGrid[c[0]] && data.tailGrid[c[0]][c[1]]; }
|
||
|
||
var start = [row, col];
|
||
if (grid.isOutOfBounds(row, col) || been.get(row, col) || onTail(start) || grid.get(row, col) === data.player)
|
||
return; //Avoid allocating too many resources.
|
||
|
||
var coords = [];
|
||
var filled = new Stack(GRID_SIZE * GRID_SIZE + 1);
|
||
var surrounded = true;
|
||
|
||
coords.push(start);
|
||
while (coords.length > 0)
|
||
{
|
||
var coord = coords.shift();
|
||
var r = coord[0];
|
||
var c = coord[1];
|
||
|
||
if (grid.isOutOfBounds(r, c))
|
||
{
|
||
surrounded = false;
|
||
continue;
|
||
}
|
||
|
||
//End this traverse on boundaries (where we been, on the tail, and when we enter our territory)
|
||
if (been.get(r, c) || onTail(coord) || grid.get(r, c) === data.player)
|
||
continue;
|
||
|
||
been.set(r, c, true);
|
||
|
||
if (surrounded)
|
||
filled.push(coord);
|
||
|
||
coords.push([r + 1, c]);
|
||
coords.push([r - 1, c]);
|
||
coords.push([r, c + 1]);
|
||
coords.push([r, c - 1]);
|
||
}
|
||
if (surrounded)
|
||
{
|
||
while (!filled.isEmpty())
|
||
{
|
||
coord = filled.pop();
|
||
grid.set(coord[0], coord[1], data.player);
|
||
}
|
||
}
|
||
|
||
return surrounded;
|
||
}
|
||
|
||
function hitsTail(data, other)
|
||
{
|
||
return (data.prevRow !== other.row || data.prevCol !== other.col) &&
|
||
(data.startRow !== other.row || data.startCol !== other.col) &&
|
||
!!(data.tailGrid[other.row] && data.tailGrid[other.row][other.col]);
|
||
}
|
||
|
||
var SPEED = 5;
|
||
var SHADOW_OFFSET = 10;
|
||
|
||
function Player(grid, sdata) {
|
||
var data = {};
|
||
|
||
//Parameters
|
||
data.num = sdata.num;
|
||
data.name = sdata.name || ""; //|| "Player " + (data.num + 1);
|
||
data.grid = grid;
|
||
data.posX = sdata.posX;
|
||
data.posY = sdata.posY;
|
||
this.heading = data.currentHeading = sdata.currentHeading; //0 is up, 1 is right, 2 is down, 3 is left.
|
||
data.waitLag = sdata.waitLag || 0;
|
||
data.dead = false;
|
||
|
||
//Only need colors for client side.
|
||
var base;
|
||
if (sdata.base)
|
||
base = this.baseColor = sdata.base instanceof Color ? sdata.base : Color.fromData(sdata.base);
|
||
else
|
||
{
|
||
var hue = Math.random();
|
||
this.baseColor = base = new Color(hue, .8, .5);
|
||
}
|
||
this.lightBaseColor = base.deriveLumination(.1);
|
||
this.shadowColor = base.deriveLumination(-.3);
|
||
this.tailColor = base.deriveLumination(.3).deriveAlpha(.5);
|
||
|
||
//Tail requires special handling.
|
||
this.grid = grid; //Temporary
|
||
if (sdata.tail)
|
||
data.tail = new Tail(this, sdata.tail);
|
||
else
|
||
{
|
||
data.tail = new Tail(this);
|
||
data.tail.reposition(calcRow(data), calcCol(data));
|
||
}
|
||
|
||
//Instance methods.
|
||
this.move = move.bind(this, data);
|
||
this.die = function() { data.dead = true;};
|
||
this.serialData = function() {
|
||
return {
|
||
base: this.baseColor,
|
||
num: data.num,
|
||
name: data.name,
|
||
posX: data.posX,
|
||
posY: data.posY,
|
||
currentHeading: data.currentHeading,
|
||
tail: data.tail.serialData(),
|
||
waitLag: data.waitLag
|
||
};
|
||
};
|
||
|
||
//Read-only Properties.
|
||
defineAccessorProperties(this, data, "currentHeading", "dead", "name", "num", "posX", "posY", "grid", "tail", "waitLag");
|
||
Object.defineProperties(this, {
|
||
row: defineGetter(function() { return calcRow(data); }),
|
||
col: defineGetter(function() { return calcCol(data); })
|
||
});
|
||
}
|
||
|
||
//Gets the next integer in positive or negative direction.
|
||
function nearestInteger(positive, val)
|
||
{
|
||
return positive ? Math.ceil(val) : Math.floor(val);
|
||
}
|
||
|
||
function calcRow(data)
|
||
{
|
||
return nearestInteger(data.currentHeading === 2 /*DOWN*/, data.posY / CELL_WIDTH);
|
||
}
|
||
|
||
function calcCol(data)
|
||
{
|
||
return nearestInteger(data.currentHeading === 1 /*RIGHT*/, data.posX / CELL_WIDTH);
|
||
}
|
||
|
||
//Instance methods
|
||
Player.prototype.render = function(ctx, fade)
|
||
{
|
||
//Render tail.
|
||
this.tail.renderTail(ctx);
|
||
|
||
//Render player.
|
||
fade = fade || 1;
|
||
ctx.fillStyle = this.shadowColor.deriveAlpha(fade).rgbString();
|
||
ctx.fillRect(this.posX, this.posY, CELL_WIDTH, CELL_WIDTH);
|
||
|
||
var mid = CELL_WIDTH / 2;
|
||
var grd = ctx.createRadialGradient(this.posX + mid, this.posY + mid - SHADOW_OFFSET, 1,
|
||
this.posX + mid, this.posY + mid - SHADOW_OFFSET, CELL_WIDTH);
|
||
grd.addColorStop(0, this.baseColor.deriveAlpha(fade).rgbString());
|
||
grd.addColorStop(1, new Color(0, 0, 1, fade).rgbString());
|
||
ctx.fillStyle = grd;
|
||
ctx.fillRect(this.posX - 1, this.posY - SHADOW_OFFSET, CELL_WIDTH + 2, CELL_WIDTH);
|
||
|
||
//Render name
|
||
ctx.fillStyle = this.shadowColor.deriveAlpha(fade).rgbString();
|
||
ctx.textAlign = "center";
|
||
|
||
var yoff = -SHADOW_OFFSET * 2;
|
||
if (this.row === 0)
|
||
yoff = SHADOW_OFFSET * 2 + CELL_WIDTH;
|
||
ctx.font = "18px Changa";
|
||
ctx.fillText(this.name, this.posX + CELL_WIDTH / 2, this.posY + yoff);
|
||
};
|
||
|
||
|
||
function move(data)
|
||
{
|
||
if (data.waitLag < NEW_PLAYER_LAG)
|
||
{
|
||
data.waitLag++;
|
||
return;
|
||
}
|
||
|
||
//Move to new position.
|
||
var heading = this.heading;
|
||
if (this.posX % CELL_WIDTH !== 0 || this.posY % CELL_WIDTH !== 0)
|
||
heading = data.currentHeading;
|
||
else
|
||
data.currentHeading = heading;
|
||
switch (heading)
|
||
{
|
||
case 0: data.posY -= SPEED; break; //UP
|
||
case 1: data.posX += SPEED; break; //RIGHT
|
||
case 2: data.posY += SPEED; break; //DOWN
|
||
case 3: data.posX -= SPEED; break; //LEFT
|
||
}
|
||
|
||
//Check for out of bounds.
|
||
var row = this.row, col = this.col;
|
||
if (data.grid.isOutOfBounds(row, col))
|
||
{
|
||
data.dead = true;
|
||
return;
|
||
}
|
||
|
||
//Update tail position.
|
||
if (data.grid.get(row, col) === this)
|
||
{
|
||
//Safe zone!
|
||
this.tail.fillTail();
|
||
this.tail.reposition(row, col);
|
||
}
|
||
//If we are completely in a new cell (not in our safe zone), we add to the tail.
|
||
else if (this.posX % CELL_WIDTH === 0 && this.posY % CELL_WIDTH === 0)
|
||
this.tail.addTail(heading);
|
||
}
|
||
|
||
module.exports = Player;
|
||
|
||
},{"./color":5,"./game-consts.js":6,"./grid.js":8,"./stack":11}],11:[function(require,module,exports){
|
||
|
||
|
||
function Stack(initSize)
|
||
{
|
||
var len = 0;
|
||
var arr = [];
|
||
|
||
this.ensureCapacity = function(size)
|
||
{
|
||
arr.length = Math.max(arr.length, size || 0);
|
||
};
|
||
|
||
this.push = function(ele)
|
||
{
|
||
this[len] = ele;
|
||
len++;
|
||
};
|
||
|
||
this.pop = function()
|
||
{
|
||
if (len === 0)
|
||
return;
|
||
len--;
|
||
var tmp = this[len];
|
||
this[len] = undefined;
|
||
return tmp;
|
||
};
|
||
|
||
this.isEmpty = function() {
|
||
return len === 0;
|
||
}
|
||
|
||
this.ensureCapacity(initSize);
|
||
|
||
|
||
Object.defineProperty(this, "length", {
|
||
get: function() {return len;}
|
||
});
|
||
}
|
||
|
||
module.exports = Stack;
|
||
},{}],12:[function(require,module,exports){
|
||
module.exports = after
|
||
|
||
function after(count, callback, err_cb) {
|
||
var bail = false
|
||
err_cb = err_cb || noop
|
||
proxy.count = count
|
||
|
||
return (count === 0) ? callback() : proxy
|
||
|
||
function proxy(err, result) {
|
||
if (proxy.count <= 0) {
|
||
throw new Error('after called too many times')
|
||
}
|
||
--proxy.count
|
||
|
||
// after first error, rest are passed to err_cb
|
||
if (err) {
|
||
bail = true
|
||
callback(err)
|
||
// future error callbacks will go to error handler
|
||
callback = err_cb
|
||
} else if (proxy.count === 0 && !bail) {
|
||
callback(null, result)
|
||
}
|
||
}
|
||
}
|
||
|
||
function noop() {}
|
||
|
||
},{}],13:[function(require,module,exports){
|
||
/**
|
||
* An abstraction for slicing an arraybuffer even when
|
||
* ArrayBuffer.prototype.slice is not supported
|
||
*
|
||
* @api public
|
||
*/
|
||
|
||
module.exports = function(arraybuffer, start, end) {
|
||
var bytes = arraybuffer.byteLength;
|
||
start = start || 0;
|
||
end = end || bytes;
|
||
|
||
if (arraybuffer.slice) { return arraybuffer.slice(start, end); }
|
||
|
||
if (start < 0) { start += bytes; }
|
||
if (end < 0) { end += bytes; }
|
||
if (end > bytes) { end = bytes; }
|
||
|
||
if (start >= bytes || start >= end || bytes === 0) {
|
||
return new ArrayBuffer(0);
|
||
}
|
||
|
||
var abv = new Uint8Array(arraybuffer);
|
||
var result = new Uint8Array(end - start);
|
||
for (var i = start, ii = 0; i < end; i++, ii++) {
|
||
result[ii] = abv[i];
|
||
}
|
||
return result.buffer;
|
||
};
|
||
|
||
},{}],14:[function(require,module,exports){
|
||
|
||
/**
|
||
* Expose `Backoff`.
|
||
*/
|
||
|
||
module.exports = Backoff;
|
||
|
||
/**
|
||
* Initialize backoff timer with `opts`.
|
||
*
|
||
* - `min` initial timeout in milliseconds [100]
|
||
* - `max` max timeout [10000]
|
||
* - `jitter` [0]
|
||
* - `factor` [2]
|
||
*
|
||
* @param {Object} opts
|
||
* @api public
|
||
*/
|
||
|
||
function Backoff(opts) {
|
||
opts = opts || {};
|
||
this.ms = opts.min || 100;
|
||
this.max = opts.max || 10000;
|
||
this.factor = opts.factor || 2;
|
||
this.jitter = opts.jitter > 0 && opts.jitter <= 1 ? opts.jitter : 0;
|
||
this.attempts = 0;
|
||
}
|
||
|
||
/**
|
||
* Return the backoff duration.
|
||
*
|
||
* @return {Number}
|
||
* @api public
|
||
*/
|
||
|
||
Backoff.prototype.duration = function(){
|
||
var ms = this.ms * Math.pow(this.factor, this.attempts++);
|
||
if (this.jitter) {
|
||
var rand = Math.random();
|
||
var deviation = Math.floor(rand * this.jitter * ms);
|
||
ms = (Math.floor(rand * 10) & 1) == 0 ? ms - deviation : ms + deviation;
|
||
}
|
||
return Math.min(ms, this.max) | 0;
|
||
};
|
||
|
||
/**
|
||
* Reset the number of attempts.
|
||
*
|
||
* @api public
|
||
*/
|
||
|
||
Backoff.prototype.reset = function(){
|
||
this.attempts = 0;
|
||
};
|
||
|
||
/**
|
||
* Set the minimum duration
|
||
*
|
||
* @api public
|
||
*/
|
||
|
||
Backoff.prototype.setMin = function(min){
|
||
this.ms = min;
|
||
};
|
||
|
||
/**
|
||
* Set the maximum duration
|
||
*
|
||
* @api public
|
||
*/
|
||
|
||
Backoff.prototype.setMax = function(max){
|
||
this.max = max;
|
||
};
|
||
|
||
/**
|
||
* Set the jitter
|
||
*
|
||
* @api public
|
||
*/
|
||
|
||
Backoff.prototype.setJitter = function(jitter){
|
||
this.jitter = jitter;
|
||
};
|
||
|
||
|
||
},{}],15:[function(require,module,exports){
|
||
/*
|
||
* base64-arraybuffer
|
||
* https://github.com/niklasvh/base64-arraybuffer
|
||
*
|
||
* Copyright (c) 2012 Niklas von Hertzen
|
||
* Licensed under the MIT license.
|
||
*/
|
||
(function(){
|
||
"use strict";
|
||
|
||
var chars = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
|
||
|
||
// Use a lookup table to find the index.
|
||
var lookup = new Uint8Array(256);
|
||
for (var i = 0; i < chars.length; i++) {
|
||
lookup[chars.charCodeAt(i)] = i;
|
||
}
|
||
|
||
exports.encode = function(arraybuffer) {
|
||
var bytes = new Uint8Array(arraybuffer),
|
||
i, len = bytes.length, base64 = "";
|
||
|
||
for (i = 0; i < len; i+=3) {
|
||
base64 += chars[bytes[i] >> 2];
|
||
base64 += chars[((bytes[i] & 3) << 4) | (bytes[i + 1] >> 4)];
|
||
base64 += chars[((bytes[i + 1] & 15) << 2) | (bytes[i + 2] >> 6)];
|
||
base64 += chars[bytes[i + 2] & 63];
|
||
}
|
||
|
||
if ((len % 3) === 2) {
|
||
base64 = base64.substring(0, base64.length - 1) + "=";
|
||
} else if (len % 3 === 1) {
|
||
base64 = base64.substring(0, base64.length - 2) + "==";
|
||
}
|
||
|
||
return base64;
|
||
};
|
||
|
||
exports.decode = function(base64) {
|
||
var bufferLength = base64.length * 0.75,
|
||
len = base64.length, i, p = 0,
|
||
encoded1, encoded2, encoded3, encoded4;
|
||
|
||
if (base64[base64.length - 1] === "=") {
|
||
bufferLength--;
|
||
if (base64[base64.length - 2] === "=") {
|
||
bufferLength--;
|
||
}
|
||
}
|
||
|
||
var arraybuffer = new ArrayBuffer(bufferLength),
|
||
bytes = new Uint8Array(arraybuffer);
|
||
|
||
for (i = 0; i < len; i+=4) {
|
||
encoded1 = lookup[base64.charCodeAt(i)];
|
||
encoded2 = lookup[base64.charCodeAt(i+1)];
|
||
encoded3 = lookup[base64.charCodeAt(i+2)];
|
||
encoded4 = lookup[base64.charCodeAt(i+3)];
|
||
|
||
bytes[p++] = (encoded1 << 2) | (encoded2 >> 4);
|
||
bytes[p++] = ((encoded2 & 15) << 4) | (encoded3 >> 2);
|
||
bytes[p++] = ((encoded3 & 3) << 6) | (encoded4 & 63);
|
||
}
|
||
|
||
return arraybuffer;
|
||
};
|
||
})();
|
||
|
||
},{}],16:[function(require,module,exports){
|
||
(function (global){
|
||
/**
|
||
* Create a blob builder even when vendor prefixes exist
|
||
*/
|
||
|
||
var BlobBuilder = global.BlobBuilder
|
||
|| global.WebKitBlobBuilder
|
||
|| global.MSBlobBuilder
|
||
|| global.MozBlobBuilder;
|
||
|
||
/**
|
||
* Check if Blob constructor is supported
|
||
*/
|
||
|
||
var blobSupported = (function() {
|
||
try {
|
||
var a = new Blob(['hi']);
|
||
return a.size === 2;
|
||
} catch(e) {
|
||
return false;
|
||
}
|
||
})();
|
||
|
||
/**
|
||
* Check if Blob constructor supports ArrayBufferViews
|
||
* Fails in Safari 6, so we need to map to ArrayBuffers there.
|
||
*/
|
||
|
||
var blobSupportsArrayBufferView = blobSupported && (function() {
|
||
try {
|
||
var b = new Blob([new Uint8Array([1,2])]);
|
||
return b.size === 2;
|
||
} catch(e) {
|
||
return false;
|
||
}
|
||
})();
|
||
|
||
/**
|
||
* Check if BlobBuilder is supported
|
||
*/
|
||
|
||
var blobBuilderSupported = BlobBuilder
|
||
&& BlobBuilder.prototype.append
|
||
&& BlobBuilder.prototype.getBlob;
|
||
|
||
/**
|
||
* Helper function that maps ArrayBufferViews to ArrayBuffers
|
||
* Used by BlobBuilder constructor and old browsers that didn't
|
||
* support it in the Blob constructor.
|
||
*/
|
||
|
||
function mapArrayBufferViews(ary) {
|
||
for (var i = 0; i < ary.length; i++) {
|
||
var chunk = ary[i];
|
||
if (chunk.buffer instanceof ArrayBuffer) {
|
||
var buf = chunk.buffer;
|
||
|
||
// if this is a subarray, make a copy so we only
|
||
// include the subarray region from the underlying buffer
|
||
if (chunk.byteLength !== buf.byteLength) {
|
||
var copy = new Uint8Array(chunk.byteLength);
|
||
copy.set(new Uint8Array(buf, chunk.byteOffset, chunk.byteLength));
|
||
buf = copy.buffer;
|
||
}
|
||
|
||
ary[i] = buf;
|
||
}
|
||
}
|
||
}
|
||
|
||
function BlobBuilderConstructor(ary, options) {
|
||
options = options || {};
|
||
|
||
var bb = new BlobBuilder();
|
||
mapArrayBufferViews(ary);
|
||
|
||
for (var i = 0; i < ary.length; i++) {
|
||
bb.append(ary[i]);
|
||
}
|
||
|
||
return (options.type) ? bb.getBlob(options.type) : bb.getBlob();
|
||
};
|
||
|
||
function BlobConstructor(ary, options) {
|
||
mapArrayBufferViews(ary);
|
||
return new Blob(ary, options || {});
|
||
};
|
||
|
||
module.exports = (function() {
|
||
if (blobSupported) {
|
||
return blobSupportsArrayBufferView ? global.Blob : BlobConstructor;
|
||
} else if (blobBuilderSupported) {
|
||
return BlobBuilderConstructor;
|
||
} else {
|
||
return undefined;
|
||
}
|
||
})();
|
||
|
||
}).call(this,typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
|
||
},{}],17:[function(require,module,exports){
|
||
/**
|
||
* Slice reference.
|
||
*/
|
||
|
||
var slice = [].slice;
|
||
|
||
/**
|
||
* Bind `obj` to `fn`.
|
||
*
|
||
* @param {Object} obj
|
||
* @param {Function|String} fn or string
|
||
* @return {Function}
|
||
* @api public
|
||
*/
|
||
|
||
module.exports = function(obj, fn){
|
||
if ('string' == typeof fn) fn = obj[fn];
|
||
if ('function' != typeof fn) throw new Error('bind() requires a function');
|
||
var args = slice.call(arguments, 2);
|
||
return function(){
|
||
return fn.apply(obj, args.concat(slice.call(arguments)));
|
||
}
|
||
};
|
||
|
||
},{}],18:[function(require,module,exports){
|
||
|
||
/**
|
||
* Expose `Emitter`.
|
||
*/
|
||
|
||
module.exports = Emitter;
|
||
|
||
/**
|
||
* Initialize a new `Emitter`.
|
||
*
|
||
* @api public
|
||
*/
|
||
|
||
function Emitter(obj) {
|
||
if (obj) return mixin(obj);
|
||
};
|
||
|
||
/**
|
||
* Mixin the emitter properties.
|
||
*
|
||
* @param {Object} obj
|
||
* @return {Object}
|
||
* @api private
|
||
*/
|
||
|
||
function mixin(obj) {
|
||
for (var key in Emitter.prototype) {
|
||
obj[key] = Emitter.prototype[key];
|
||
}
|
||
return obj;
|
||
}
|
||
|
||
/**
|
||
* Listen on the given `event` with `fn`.
|
||
*
|
||
* @param {String} event
|
||
* @param {Function} fn
|
||
* @return {Emitter}
|
||
* @api public
|
||
*/
|
||
|
||
Emitter.prototype.on =
|
||
Emitter.prototype.addEventListener = function(event, fn){
|
||
this._callbacks = this._callbacks || {};
|
||
(this._callbacks[event] = this._callbacks[event] || [])
|
||
.push(fn);
|
||
return this;
|
||
};
|
||
|
||
/**
|
||
* Adds an `event` listener that will be invoked a single
|
||
* time then automatically removed.
|
||
*
|
||
* @param {String} event
|
||
* @param {Function} fn
|
||
* @return {Emitter}
|
||
* @api public
|
||
*/
|
||
|
||
Emitter.prototype.once = function(event, fn){
|
||
var self = this;
|
||
this._callbacks = this._callbacks || {};
|
||
|
||
function on() {
|
||
self.off(event, on);
|
||
fn.apply(this, arguments);
|
||
}
|
||
|
||
on.fn = fn;
|
||
this.on(event, on);
|
||
return this;
|
||
};
|
||
|
||
/**
|
||
* Remove the given callback for `event` or all
|
||
* registered callbacks.
|
||
*
|
||
* @param {String} event
|
||
* @param {Function} fn
|
||
* @return {Emitter}
|
||
* @api public
|
||
*/
|
||
|
||
Emitter.prototype.off =
|
||
Emitter.prototype.removeListener =
|
||
Emitter.prototype.removeAllListeners =
|
||
Emitter.prototype.removeEventListener = function(event, fn){
|
||
this._callbacks = this._callbacks || {};
|
||
|
||
// all
|
||
if (0 == arguments.length) {
|
||
this._callbacks = {};
|
||
return this;
|
||
}
|
||
|
||
// specific event
|
||
var callbacks = this._callbacks[event];
|
||
if (!callbacks) return this;
|
||
|
||
// remove all handlers
|
||
if (1 == arguments.length) {
|
||
delete this._callbacks[event];
|
||
return this;
|
||
}
|
||
|
||
// remove specific handler
|
||
var cb;
|
||
for (var i = 0; i < callbacks.length; i++) {
|
||
cb = callbacks[i];
|
||
if (cb === fn || cb.fn === fn) {
|
||
callbacks.splice(i, 1);
|
||
break;
|
||
}
|
||
}
|
||
return this;
|
||
};
|
||
|
||
/**
|
||
* Emit `event` with the given args.
|
||
*
|
||
* @param {String} event
|
||
* @param {Mixed} ...
|
||
* @return {Emitter}
|
||
*/
|
||
|
||
Emitter.prototype.emit = function(event){
|
||
this._callbacks = this._callbacks || {};
|
||
var args = [].slice.call(arguments, 1)
|
||
, callbacks = this._callbacks[event];
|
||
|
||
if (callbacks) {
|
||
callbacks = callbacks.slice(0);
|
||
for (var i = 0, len = callbacks.length; i < len; ++i) {
|
||
callbacks[i].apply(this, args);
|
||
}
|
||
}
|
||
|
||
return this;
|
||
};
|
||
|
||
/**
|
||
* Return array of callbacks for `event`.
|
||
*
|
||
* @param {String} event
|
||
* @return {Array}
|
||
* @api public
|
||
*/
|
||
|
||
Emitter.prototype.listeners = function(event){
|
||
this._callbacks = this._callbacks || {};
|
||
return this._callbacks[event] || [];
|
||
};
|
||
|
||
/**
|
||
* Check if this emitter has `event` handlers.
|
||
*
|
||
* @param {String} event
|
||
* @return {Boolean}
|
||
* @api public
|
||
*/
|
||
|
||
Emitter.prototype.hasListeners = function(event){
|
||
return !! this.listeners(event).length;
|
||
};
|
||
|
||
},{}],19:[function(require,module,exports){
|
||
|
||
module.exports = function(a, b){
|
||
var fn = function(){};
|
||
fn.prototype = b.prototype;
|
||
a.prototype = new fn;
|
||
a.prototype.constructor = a;
|
||
};
|
||
},{}],20:[function(require,module,exports){
|
||
|
||
module.exports = require('./lib/index');
|
||
|
||
},{"./lib/index":21}],21:[function(require,module,exports){
|
||
|
||
module.exports = require('./socket');
|
||
|
||
/**
|
||
* Exports parser
|
||
*
|
||
* @api public
|
||
*
|
||
*/
|
||
module.exports.parser = require('engine.io-parser');
|
||
|
||
},{"./socket":22,"engine.io-parser":34}],22:[function(require,module,exports){
|
||
(function (global){
|
||
/**
|
||
* Module dependencies.
|
||
*/
|
||
|
||
var transports = require('./transports/index');
|
||
var Emitter = require('component-emitter');
|
||
var debug = require('debug')('engine.io-client:socket');
|
||
var index = require('indexof');
|
||
var parser = require('engine.io-parser');
|
||
var parseuri = require('parseuri');
|
||
var parsejson = require('parsejson');
|
||
var parseqs = require('parseqs');
|
||
|
||
/**
|
||
* Module exports.
|
||
*/
|
||
|
||
module.exports = Socket;
|
||
|
||
/**
|
||
* Socket constructor.
|
||
*
|
||
* @param {String|Object} uri or options
|
||
* @param {Object} options
|
||
* @api public
|
||
*/
|
||
|
||
function Socket (uri, opts) {
|
||
if (!(this instanceof Socket)) return new Socket(uri, opts);
|
||
|
||
opts = opts || {};
|
||
|
||
if (uri && 'object' === typeof uri) {
|
||
opts = uri;
|
||
uri = null;
|
||
}
|
||
|
||
if (uri) {
|
||
uri = parseuri(uri);
|
||
opts.hostname = uri.host;
|
||
opts.secure = uri.protocol === 'https' || uri.protocol === 'wss';
|
||
opts.port = uri.port;
|
||
if (uri.query) opts.query = uri.query;
|
||
} else if (opts.host) {
|
||
opts.hostname = parseuri(opts.host).host;
|
||
}
|
||
|
||
this.secure = null != opts.secure ? opts.secure
|
||
: (global.location && 'https:' === location.protocol);
|
||
|
||
if (opts.hostname && !opts.port) {
|
||
// if no port is specified manually, use the protocol default
|
||
opts.port = this.secure ? '443' : '80';
|
||
}
|
||
|
||
this.agent = opts.agent || false;
|
||
this.hostname = opts.hostname ||
|
||
(global.location ? location.hostname : 'localhost');
|
||
this.port = opts.port || (global.location && location.port
|
||
? location.port
|
||
: (this.secure ? 443 : 80));
|
||
this.query = opts.query || {};
|
||
if ('string' === typeof this.query) this.query = parseqs.decode(this.query);
|
||
this.upgrade = false !== opts.upgrade;
|
||
this.path = (opts.path || '/engine.io').replace(/\/$/, '') + '/';
|
||
this.forceJSONP = !!opts.forceJSONP;
|
||
this.jsonp = false !== opts.jsonp;
|
||
this.forceBase64 = !!opts.forceBase64;
|
||
this.enablesXDR = !!opts.enablesXDR;
|
||
this.timestampParam = opts.timestampParam || 't';
|
||
this.timestampRequests = opts.timestampRequests;
|
||
this.transports = opts.transports || ['polling', 'websocket'];
|
||
this.readyState = '';
|
||
this.writeBuffer = [];
|
||
this.prevBufferLen = 0;
|
||
this.policyPort = opts.policyPort || 843;
|
||
this.rememberUpgrade = opts.rememberUpgrade || false;
|
||
this.binaryType = null;
|
||
this.onlyBinaryUpgrades = opts.onlyBinaryUpgrades;
|
||
this.perMessageDeflate = false !== opts.perMessageDeflate ? (opts.perMessageDeflate || {}) : false;
|
||
|
||
if (true === this.perMessageDeflate) this.perMessageDeflate = {};
|
||
if (this.perMessageDeflate && null == this.perMessageDeflate.threshold) {
|
||
this.perMessageDeflate.threshold = 1024;
|
||
}
|
||
|
||
// SSL options for Node.js client
|
||
this.pfx = opts.pfx || null;
|
||
this.key = opts.key || null;
|
||
this.passphrase = opts.passphrase || null;
|
||
this.cert = opts.cert || null;
|
||
this.ca = opts.ca || null;
|
||
this.ciphers = opts.ciphers || null;
|
||
this.rejectUnauthorized = opts.rejectUnauthorized === undefined ? null : opts.rejectUnauthorized;
|
||
this.forceNode = !!opts.forceNode;
|
||
|
||
// other options for Node.js client
|
||
var freeGlobal = typeof global === 'object' && global;
|
||
if (freeGlobal.global === freeGlobal) {
|
||
if (opts.extraHeaders && Object.keys(opts.extraHeaders).length > 0) {
|
||
this.extraHeaders = opts.extraHeaders;
|
||
}
|
||
|
||
if (opts.localAddress) {
|
||
this.localAddress = opts.localAddress;
|
||
}
|
||
}
|
||
|
||
// set on handshake
|
||
this.id = null;
|
||
this.upgrades = null;
|
||
this.pingInterval = null;
|
||
this.pingTimeout = null;
|
||
|
||
// set on heartbeat
|
||
this.pingIntervalTimer = null;
|
||
this.pingTimeoutTimer = null;
|
||
|
||
this.open();
|
||
}
|
||
|
||
Socket.priorWebsocketSuccess = false;
|
||
|
||
/**
|
||
* Mix in `Emitter`.
|
||
*/
|
||
|
||
Emitter(Socket.prototype);
|
||
|
||
/**
|
||
* Protocol version.
|
||
*
|
||
* @api public
|
||
*/
|
||
|
||
Socket.protocol = parser.protocol; // this is an int
|
||
|
||
/**
|
||
* Expose deps for legacy compatibility
|
||
* and standalone browser access.
|
||
*/
|
||
|
||
Socket.Socket = Socket;
|
||
Socket.Transport = require('./transport');
|
||
Socket.transports = require('./transports/index');
|
||
Socket.parser = require('engine.io-parser');
|
||
|
||
/**
|
||
* Creates transport of the given type.
|
||
*
|
||
* @param {String} transport name
|
||
* @return {Transport}
|
||
* @api private
|
||
*/
|
||
|
||
Socket.prototype.createTransport = function (name) {
|
||
debug('creating transport "%s"', name);
|
||
var query = clone(this.query);
|
||
|
||
// append engine.io protocol identifier
|
||
query.EIO = parser.protocol;
|
||
|
||
// transport name
|
||
query.transport = name;
|
||
|
||
// session id if we already have one
|
||
if (this.id) query.sid = this.id;
|
||
|
||
var transport = new transports[name]({
|
||
agent: this.agent,
|
||
hostname: this.hostname,
|
||
port: this.port,
|
||
secure: this.secure,
|
||
path: this.path,
|
||
query: query,
|
||
forceJSONP: this.forceJSONP,
|
||
jsonp: this.jsonp,
|
||
forceBase64: this.forceBase64,
|
||
enablesXDR: this.enablesXDR,
|
||
timestampRequests: this.timestampRequests,
|
||
timestampParam: this.timestampParam,
|
||
policyPort: this.policyPort,
|
||
socket: this,
|
||
pfx: this.pfx,
|
||
key: this.key,
|
||
passphrase: this.passphrase,
|
||
cert: this.cert,
|
||
ca: this.ca,
|
||
ciphers: this.ciphers,
|
||
rejectUnauthorized: this.rejectUnauthorized,
|
||
perMessageDeflate: this.perMessageDeflate,
|
||
extraHeaders: this.extraHeaders,
|
||
forceNode: this.forceNode,
|
||
localAddress: this.localAddress
|
||
});
|
||
|
||
return transport;
|
||
};
|
||
|
||
function clone (obj) {
|
||
var o = {};
|
||
for (var i in obj) {
|
||
if (obj.hasOwnProperty(i)) {
|
||
o[i] = obj[i];
|
||
}
|
||
}
|
||
return o;
|
||
}
|
||
|
||
/**
|
||
* Initializes transport to use and starts probe.
|
||
*
|
||
* @api private
|
||
*/
|
||
Socket.prototype.open = function () {
|
||
var transport;
|
||
if (this.rememberUpgrade && Socket.priorWebsocketSuccess && this.transports.indexOf('websocket') !== -1) {
|
||
transport = 'websocket';
|
||
} else if (0 === this.transports.length) {
|
||
// Emit error on next tick so it can be listened to
|
||
var self = this;
|
||
setTimeout(function () {
|
||
self.emit('error', 'No transports available');
|
||
}, 0);
|
||
return;
|
||
} else {
|
||
transport = this.transports[0];
|
||
}
|
||
this.readyState = 'opening';
|
||
|
||
// Retry with the next transport if the transport is disabled (jsonp: false)
|
||
try {
|
||
transport = this.createTransport(transport);
|
||
} catch (e) {
|
||
this.transports.shift();
|
||
this.open();
|
||
return;
|
||
}
|
||
|
||
transport.open();
|
||
this.setTransport(transport);
|
||
};
|
||
|
||
/**
|
||
* Sets the current transport. Disables the existing one (if any).
|
||
*
|
||
* @api private
|
||
*/
|
||
|
||
Socket.prototype.setTransport = function (transport) {
|
||
debug('setting transport %s', transport.name);
|
||
var self = this;
|
||
|
||
if (this.transport) {
|
||
debug('clearing existing transport %s', this.transport.name);
|
||
this.transport.removeAllListeners();
|
||
}
|
||
|
||
// set up transport
|
||
this.transport = transport;
|
||
|
||
// set up transport listeners
|
||
transport
|
||
.on('drain', function () {
|
||
self.onDrain();
|
||
})
|
||
.on('packet', function (packet) {
|
||
self.onPacket(packet);
|
||
})
|
||
.on('error', function (e) {
|
||
self.onError(e);
|
||
})
|
||
.on('close', function () {
|
||
self.onClose('transport close');
|
||
});
|
||
};
|
||
|
||
/**
|
||
* Probes a transport.
|
||
*
|
||
* @param {String} transport name
|
||
* @api private
|
||
*/
|
||
|
||
Socket.prototype.probe = function (name) {
|
||
debug('probing transport "%s"', name);
|
||
var transport = this.createTransport(name, { probe: 1 });
|
||
var failed = false;
|
||
var self = this;
|
||
|
||
Socket.priorWebsocketSuccess = false;
|
||
|
||
function onTransportOpen () {
|
||
if (self.onlyBinaryUpgrades) {
|
||
var upgradeLosesBinary = !this.supportsBinary && self.transport.supportsBinary;
|
||
failed = failed || upgradeLosesBinary;
|
||
}
|
||
if (failed) return;
|
||
|
||
debug('probe transport "%s" opened', name);
|
||
transport.send([{ type: 'ping', data: 'probe' }]);
|
||
transport.once('packet', function (msg) {
|
||
if (failed) return;
|
||
if ('pong' === msg.type && 'probe' === msg.data) {
|
||
debug('probe transport "%s" pong', name);
|
||
self.upgrading = true;
|
||
self.emit('upgrading', transport);
|
||
if (!transport) return;
|
||
Socket.priorWebsocketSuccess = 'websocket' === transport.name;
|
||
|
||
debug('pausing current transport "%s"', self.transport.name);
|
||
self.transport.pause(function () {
|
||
if (failed) return;
|
||
if ('closed' === self.readyState) return;
|
||
debug('changing transport and sending upgrade packet');
|
||
|
||
cleanup();
|
||
|
||
self.setTransport(transport);
|
||
transport.send([{ type: 'upgrade' }]);
|
||
self.emit('upgrade', transport);
|
||
transport = null;
|
||
self.upgrading = false;
|
||
self.flush();
|
||
});
|
||
} else {
|
||
debug('probe transport "%s" failed', name);
|
||
var err = new Error('probe error');
|
||
err.transport = transport.name;
|
||
self.emit('upgradeError', err);
|
||
}
|
||
});
|
||
}
|
||
|
||
function freezeTransport () {
|
||
if (failed) return;
|
||
|
||
// Any callback called by transport should be ignored since now
|
||
failed = true;
|
||
|
||
cleanup();
|
||
|
||
transport.close();
|
||
transport = null;
|
||
}
|
||
|
||
// Handle any error that happens while probing
|
||
function onerror (err) {
|
||
var error = new Error('probe error: ' + err);
|
||
error.transport = transport.name;
|
||
|
||
freezeTransport();
|
||
|
||
debug('probe transport "%s" failed because of error: %s', name, err);
|
||
|
||
self.emit('upgradeError', error);
|
||
}
|
||
|
||
function onTransportClose () {
|
||
onerror('transport closed');
|
||
}
|
||
|
||
// When the socket is closed while we're probing
|
||
function onclose () {
|
||
onerror('socket closed');
|
||
}
|
||
|
||
// When the socket is upgraded while we're probing
|
||
function onupgrade (to) {
|
||
if (transport && to.name !== transport.name) {
|
||
debug('"%s" works - aborting "%s"', to.name, transport.name);
|
||
freezeTransport();
|
||
}
|
||
}
|
||
|
||
// Remove all listeners on the transport and on self
|
||
function cleanup () {
|
||
transport.removeListener('open', onTransportOpen);
|
||
transport.removeListener('error', onerror);
|
||
transport.removeListener('close', onTransportClose);
|
||
self.removeListener('close', onclose);
|
||
self.removeListener('upgrading', onupgrade);
|
||
}
|
||
|
||
transport.once('open', onTransportOpen);
|
||
transport.once('error', onerror);
|
||
transport.once('close', onTransportClose);
|
||
|
||
this.once('close', onclose);
|
||
this.once('upgrading', onupgrade);
|
||
|
||
transport.open();
|
||
};
|
||
|
||
/**
|
||
* Called when connection is deemed open.
|
||
*
|
||
* @api public
|
||
*/
|
||
|
||
Socket.prototype.onOpen = function () {
|
||
debug('socket open');
|
||
this.readyState = 'open';
|
||
Socket.priorWebsocketSuccess = 'websocket' === this.transport.name;
|
||
this.emit('open');
|
||
this.flush();
|
||
|
||
// we check for `readyState` in case an `open`
|
||
// listener already closed the socket
|
||
if ('open' === this.readyState && this.upgrade && this.transport.pause) {
|
||
debug('starting upgrade probes');
|
||
for (var i = 0, l = this.upgrades.length; i < l; i++) {
|
||
this.probe(this.upgrades[i]);
|
||
}
|
||
}
|
||
};
|
||
|
||
/**
|
||
* Handles a packet.
|
||
*
|
||
* @api private
|
||
*/
|
||
|
||
Socket.prototype.onPacket = function (packet) {
|
||
if ('opening' === this.readyState || 'open' === this.readyState ||
|
||
'closing' === this.readyState) {
|
||
debug('socket receive: type "%s", data "%s"', packet.type, packet.data);
|
||
|
||
this.emit('packet', packet);
|
||
|
||
// Socket is live - any packet counts
|
||
this.emit('heartbeat');
|
||
|
||
switch (packet.type) {
|
||
case 'open':
|
||
this.onHandshake(parsejson(packet.data));
|
||
break;
|
||
|
||
case 'pong':
|
||
this.setPing();
|
||
this.emit('pong');
|
||
break;
|
||
|
||
case 'error':
|
||
var err = new Error('server error');
|
||
err.code = packet.data;
|
||
this.onError(err);
|
||
break;
|
||
|
||
case 'message':
|
||
this.emit('data', packet.data);
|
||
this.emit('message', packet.data);
|
||
break;
|
||
}
|
||
} else {
|
||
debug('packet received with socket readyState "%s"', this.readyState);
|
||
}
|
||
};
|
||
|
||
/**
|
||
* Called upon handshake completion.
|
||
*
|
||
* @param {Object} handshake obj
|
||
* @api private
|
||
*/
|
||
|
||
Socket.prototype.onHandshake = function (data) {
|
||
this.emit('handshake', data);
|
||
this.id = data.sid;
|
||
this.transport.query.sid = data.sid;
|
||
this.upgrades = this.filterUpgrades(data.upgrades);
|
||
this.pingInterval = data.pingInterval;
|
||
this.pingTimeout = data.pingTimeout;
|
||
this.onOpen();
|
||
// In case open handler closes socket
|
||
if ('closed' === this.readyState) return;
|
||
this.setPing();
|
||
|
||
// Prolong liveness of socket on heartbeat
|
||
this.removeListener('heartbeat', this.onHeartbeat);
|
||
this.on('heartbeat', this.onHeartbeat);
|
||
};
|
||
|
||
/**
|
||
* Resets ping timeout.
|
||
*
|
||
* @api private
|
||
*/
|
||
|
||
Socket.prototype.onHeartbeat = function (timeout) {
|
||
clearTimeout(this.pingTimeoutTimer);
|
||
var self = this;
|
||
self.pingTimeoutTimer = setTimeout(function () {
|
||
if ('closed' === self.readyState) return;
|
||
self.onClose('ping timeout');
|
||
}, timeout || (self.pingInterval + self.pingTimeout));
|
||
};
|
||
|
||
/**
|
||
* Pings server every `this.pingInterval` and expects response
|
||
* within `this.pingTimeout` or closes connection.
|
||
*
|
||
* @api private
|
||
*/
|
||
|
||
Socket.prototype.setPing = function () {
|
||
var self = this;
|
||
clearTimeout(self.pingIntervalTimer);
|
||
self.pingIntervalTimer = setTimeout(function () {
|
||
debug('writing ping packet - expecting pong within %sms', self.pingTimeout);
|
||
self.ping();
|
||
self.onHeartbeat(self.pingTimeout);
|
||
}, self.pingInterval);
|
||
};
|
||
|
||
/**
|
||
* Sends a ping packet.
|
||
*
|
||
* @api private
|
||
*/
|
||
|
||
Socket.prototype.ping = function () {
|
||
var self = this;
|
||
this.sendPacket('ping', function () {
|
||
self.emit('ping');
|
||
});
|
||
};
|
||
|
||
/**
|
||
* Called on `drain` event
|
||
*
|
||
* @api private
|
||
*/
|
||
|
||
Socket.prototype.onDrain = function () {
|
||
this.writeBuffer.splice(0, this.prevBufferLen);
|
||
|
||
// setting prevBufferLen = 0 is very important
|
||
// for example, when upgrading, upgrade packet is sent over,
|
||
// and a nonzero prevBufferLen could cause problems on `drain`
|
||
this.prevBufferLen = 0;
|
||
|
||
if (0 === this.writeBuffer.length) {
|
||
this.emit('drain');
|
||
} else {
|
||
this.flush();
|
||
}
|
||
};
|
||
|
||
/**
|
||
* Flush write buffers.
|
||
*
|
||
* @api private
|
||
*/
|
||
|
||
Socket.prototype.flush = function () {
|
||
if ('closed' !== this.readyState && this.transport.writable &&
|
||
!this.upgrading && this.writeBuffer.length) {
|
||
debug('flushing %d packets in socket', this.writeBuffer.length);
|
||
this.transport.send(this.writeBuffer);
|
||
// keep track of current length of writeBuffer
|
||
// splice writeBuffer and callbackBuffer on `drain`
|
||
this.prevBufferLen = this.writeBuffer.length;
|
||
this.emit('flush');
|
||
}
|
||
};
|
||
|
||
/**
|
||
* Sends a message.
|
||
*
|
||
* @param {String} message.
|
||
* @param {Function} callback function.
|
||
* @param {Object} options.
|
||
* @return {Socket} for chaining.
|
||
* @api public
|
||
*/
|
||
|
||
Socket.prototype.write =
|
||
Socket.prototype.send = function (msg, options, fn) {
|
||
this.sendPacket('message', msg, options, fn);
|
||
return this;
|
||
};
|
||
|
||
/**
|
||
* Sends a packet.
|
||
*
|
||
* @param {String} packet type.
|
||
* @param {String} data.
|
||
* @param {Object} options.
|
||
* @param {Function} callback function.
|
||
* @api private
|
||
*/
|
||
|
||
Socket.prototype.sendPacket = function (type, data, options, fn) {
|
||
if ('function' === typeof data) {
|
||
fn = data;
|
||
data = undefined;
|
||
}
|
||
|
||
if ('function' === typeof options) {
|
||
fn = options;
|
||
options = null;
|
||
}
|
||
|
||
if ('closing' === this.readyState || 'closed' === this.readyState) {
|
||
return;
|
||
}
|
||
|
||
options = options || {};
|
||
options.compress = false !== options.compress;
|
||
|
||
var packet = {
|
||
type: type,
|
||
data: data,
|
||
options: options
|
||
};
|
||
this.emit('packetCreate', packet);
|
||
this.writeBuffer.push(packet);
|
||
if (fn) this.once('flush', fn);
|
||
this.flush();
|
||
};
|
||
|
||
/**
|
||
* Closes the connection.
|
||
*
|
||
* @api private
|
||
*/
|
||
|
||
Socket.prototype.close = function () {
|
||
if ('opening' === this.readyState || 'open' === this.readyState) {
|
||
this.readyState = 'closing';
|
||
|
||
var self = this;
|
||
|
||
if (this.writeBuffer.length) {
|
||
this.once('drain', function () {
|
||
if (this.upgrading) {
|
||
waitForUpgrade();
|
||
} else {
|
||
close();
|
||
}
|
||
});
|
||
} else if (this.upgrading) {
|
||
waitForUpgrade();
|
||
} else {
|
||
close();
|
||
}
|
||
}
|
||
|
||
function close () {
|
||
self.onClose('forced close');
|
||
debug('socket closing - telling transport to close');
|
||
self.transport.close();
|
||
}
|
||
|
||
function cleanupAndClose () {
|
||
self.removeListener('upgrade', cleanupAndClose);
|
||
self.removeListener('upgradeError', cleanupAndClose);
|
||
close();
|
||
}
|
||
|
||
function waitForUpgrade () {
|
||
// wait for upgrade to finish since we can't send packets while pausing a transport
|
||
self.once('upgrade', cleanupAndClose);
|
||
self.once('upgradeError', cleanupAndClose);
|
||
}
|
||
|
||
return this;
|
||
};
|
||
|
||
/**
|
||
* Called upon transport error
|
||
*
|
||
* @api private
|
||
*/
|
||
|
||
Socket.prototype.onError = function (err) {
|
||
debug('socket error %j', err);
|
||
Socket.priorWebsocketSuccess = false;
|
||
this.emit('error', err);
|
||
this.onClose('transport error', err);
|
||
};
|
||
|
||
/**
|
||
* Called upon transport close.
|
||
*
|
||
* @api private
|
||
*/
|
||
|
||
Socket.prototype.onClose = function (reason, desc) {
|
||
if ('opening' === this.readyState || 'open' === this.readyState || 'closing' === this.readyState) {
|
||
debug('socket close with reason: "%s"', reason);
|
||
var self = this;
|
||
|
||
// clear timers
|
||
clearTimeout(this.pingIntervalTimer);
|
||
clearTimeout(this.pingTimeoutTimer);
|
||
|
||
// stop event from firing again for transport
|
||
this.transport.removeAllListeners('close');
|
||
|
||
// ensure transport won't stay open
|
||
this.transport.close();
|
||
|
||
// ignore further transport communication
|
||
this.transport.removeAllListeners();
|
||
|
||
// set ready state
|
||
this.readyState = 'closed';
|
||
|
||
// clear session id
|
||
this.id = null;
|
||
|
||
// emit close event
|
||
this.emit('close', reason, desc);
|
||
|
||
// clean buffers after, so users can still
|
||
// grab the buffers on `close` event
|
||
self.writeBuffer = [];
|
||
self.prevBufferLen = 0;
|
||
}
|
||
};
|
||
|
||
/**
|
||
* Filters upgrades, returning only those matching client transports.
|
||
*
|
||
* @param {Array} server upgrades
|
||
* @api private
|
||
*
|
||
*/
|
||
|
||
Socket.prototype.filterUpgrades = function (upgrades) {
|
||
var filteredUpgrades = [];
|
||
for (var i = 0, j = upgrades.length; i < j; i++) {
|
||
if (~index(this.transports, upgrades[i])) filteredUpgrades.push(upgrades[i]);
|
||
}
|
||
return filteredUpgrades;
|
||
};
|
||
|
||
}).call(this,typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
|
||
},{"./transport":23,"./transports/index":24,"component-emitter":30,"debug":31,"engine.io-parser":34,"indexof":38,"parsejson":41,"parseqs":42,"parseuri":43}],23:[function(require,module,exports){
|
||
/**
|
||
* Module dependencies.
|
||
*/
|
||
|
||
var parser = require('engine.io-parser');
|
||
var Emitter = require('component-emitter');
|
||
|
||
/**
|
||
* Module exports.
|
||
*/
|
||
|
||
module.exports = Transport;
|
||
|
||
/**
|
||
* Transport abstract constructor.
|
||
*
|
||
* @param {Object} options.
|
||
* @api private
|
||
*/
|
||
|
||
function Transport (opts) {
|
||
this.path = opts.path;
|
||
this.hostname = opts.hostname;
|
||
this.port = opts.port;
|
||
this.secure = opts.secure;
|
||
this.query = opts.query;
|
||
this.timestampParam = opts.timestampParam;
|
||
this.timestampRequests = opts.timestampRequests;
|
||
this.readyState = '';
|
||
this.agent = opts.agent || false;
|
||
this.socket = opts.socket;
|
||
this.enablesXDR = opts.enablesXDR;
|
||
|
||
// SSL options for Node.js client
|
||
this.pfx = opts.pfx;
|
||
this.key = opts.key;
|
||
this.passphrase = opts.passphrase;
|
||
this.cert = opts.cert;
|
||
this.ca = opts.ca;
|
||
this.ciphers = opts.ciphers;
|
||
this.rejectUnauthorized = opts.rejectUnauthorized;
|
||
this.forceNode = opts.forceNode;
|
||
|
||
// other options for Node.js client
|
||
this.extraHeaders = opts.extraHeaders;
|
||
this.localAddress = opts.localAddress;
|
||
}
|
||
|
||
/**
|
||
* Mix in `Emitter`.
|
||
*/
|
||
|
||
Emitter(Transport.prototype);
|
||
|
||
/**
|
||
* Emits an error.
|
||
*
|
||
* @param {String} str
|
||
* @return {Transport} for chaining
|
||
* @api public
|
||
*/
|
||
|
||
Transport.prototype.onError = function (msg, desc) {
|
||
var err = new Error(msg);
|
||
err.type = 'TransportError';
|
||
err.description = desc;
|
||
this.emit('error', err);
|
||
return this;
|
||
};
|
||
|
||
/**
|
||
* Opens the transport.
|
||
*
|
||
* @api public
|
||
*/
|
||
|
||
Transport.prototype.open = function () {
|
||
if ('closed' === this.readyState || '' === this.readyState) {
|
||
this.readyState = 'opening';
|
||
this.doOpen();
|
||
}
|
||
|
||
return this;
|
||
};
|
||
|
||
/**
|
||
* Closes the transport.
|
||
*
|
||
* @api private
|
||
*/
|
||
|
||
Transport.prototype.close = function () {
|
||
if ('opening' === this.readyState || 'open' === this.readyState) {
|
||
this.doClose();
|
||
this.onClose();
|
||
}
|
||
|
||
return this;
|
||
};
|
||
|
||
/**
|
||
* Sends multiple packets.
|
||
*
|
||
* @param {Array} packets
|
||
* @api private
|
||
*/
|
||
|
||
Transport.prototype.send = function (packets) {
|
||
if ('open' === this.readyState) {
|
||
this.write(packets);
|
||
} else {
|
||
throw new Error('Transport not open');
|
||
}
|
||
};
|
||
|
||
/**
|
||
* Called upon open
|
||
*
|
||
* @api private
|
||
*/
|
||
|
||
Transport.prototype.onOpen = function () {
|
||
this.readyState = 'open';
|
||
this.writable = true;
|
||
this.emit('open');
|
||
};
|
||
|
||
/**
|
||
* Called with data.
|
||
*
|
||
* @param {String} data
|
||
* @api private
|
||
*/
|
||
|
||
Transport.prototype.onData = function (data) {
|
||
var packet = parser.decodePacket(data, this.socket.binaryType);
|
||
this.onPacket(packet);
|
||
};
|
||
|
||
/**
|
||
* Called with a decoded packet.
|
||
*/
|
||
|
||
Transport.prototype.onPacket = function (packet) {
|
||
this.emit('packet', packet);
|
||
};
|
||
|
||
/**
|
||
* Called upon close.
|
||
*
|
||
* @api private
|
||
*/
|
||
|
||
Transport.prototype.onClose = function () {
|
||
this.readyState = 'closed';
|
||
this.emit('close');
|
||
};
|
||
|
||
},{"component-emitter":30,"engine.io-parser":34}],24:[function(require,module,exports){
|
||
(function (global){
|
||
/**
|
||
* Module dependencies
|
||
*/
|
||
|
||
var XMLHttpRequest = require('xmlhttprequest-ssl');
|
||
var XHR = require('./polling-xhr');
|
||
var JSONP = require('./polling-jsonp');
|
||
var websocket = require('./websocket');
|
||
|
||
/**
|
||
* Export transports.
|
||
*/
|
||
|
||
exports.polling = polling;
|
||
exports.websocket = websocket;
|
||
|
||
/**
|
||
* Polling transport polymorphic constructor.
|
||
* Decides on xhr vs jsonp based on feature detection.
|
||
*
|
||
* @api private
|
||
*/
|
||
|
||
function polling (opts) {
|
||
var xhr;
|
||
var xd = false;
|
||
var xs = false;
|
||
var jsonp = false !== opts.jsonp;
|
||
|
||
if (global.location) {
|
||
var isSSL = 'https:' === location.protocol;
|
||
var port = location.port;
|
||
|
||
// some user agents have empty `location.port`
|
||
if (!port) {
|
||
port = isSSL ? 443 : 80;
|
||
}
|
||
|
||
xd = opts.hostname !== location.hostname || port !== opts.port;
|
||
xs = opts.secure !== isSSL;
|
||
}
|
||
|
||
opts.xdomain = xd;
|
||
opts.xscheme = xs;
|
||
xhr = new XMLHttpRequest(opts);
|
||
|
||
if ('open' in xhr && !opts.forceJSONP) {
|
||
return new XHR(opts);
|
||
} else {
|
||
if (!jsonp) throw new Error('JSONP disabled');
|
||
return new JSONP(opts);
|
||
}
|
||
}
|
||
|
||
}).call(this,typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
|
||
},{"./polling-jsonp":25,"./polling-xhr":26,"./websocket":28,"xmlhttprequest-ssl":29}],25:[function(require,module,exports){
|
||
(function (global){
|
||
|
||
/**
|
||
* Module requirements.
|
||
*/
|
||
|
||
var Polling = require('./polling');
|
||
var inherit = require('component-inherit');
|
||
|
||
/**
|
||
* Module exports.
|
||
*/
|
||
|
||
module.exports = JSONPPolling;
|
||
|
||
/**
|
||
* Cached regular expressions.
|
||
*/
|
||
|
||
var rNewline = /\n/g;
|
||
var rEscapedNewline = /\\n/g;
|
||
|
||
/**
|
||
* Global JSONP callbacks.
|
||
*/
|
||
|
||
var callbacks;
|
||
|
||
/**
|
||
* Noop.
|
||
*/
|
||
|
||
function empty () { }
|
||
|
||
/**
|
||
* JSONP Polling constructor.
|
||
*
|
||
* @param {Object} opts.
|
||
* @api public
|
||
*/
|
||
|
||
function JSONPPolling (opts) {
|
||
Polling.call(this, opts);
|
||
|
||
this.query = this.query || {};
|
||
|
||
// define global callbacks array if not present
|
||
// we do this here (lazily) to avoid unneeded global pollution
|
||
if (!callbacks) {
|
||
// we need to consider multiple engines in the same page
|
||
if (!global.___eio) global.___eio = [];
|
||
callbacks = global.___eio;
|
||
}
|
||
|
||
// callback identifier
|
||
this.index = callbacks.length;
|
||
|
||
// add callback to jsonp global
|
||
var self = this;
|
||
callbacks.push(function (msg) {
|
||
self.onData(msg);
|
||
});
|
||
|
||
// append to query string
|
||
this.query.j = this.index;
|
||
|
||
// prevent spurious errors from being emitted when the window is unloaded
|
||
if (global.document && global.addEventListener) {
|
||
global.addEventListener('beforeunload', function () {
|
||
if (self.script) self.script.onerror = empty;
|
||
}, false);
|
||
}
|
||
}
|
||
|
||
/**
|
||
* Inherits from Polling.
|
||
*/
|
||
|
||
inherit(JSONPPolling, Polling);
|
||
|
||
/*
|
||
* JSONP only supports binary as base64 encoded strings
|
||
*/
|
||
|
||
JSONPPolling.prototype.supportsBinary = false;
|
||
|
||
/**
|
||
* Closes the socket.
|
||
*
|
||
* @api private
|
||
*/
|
||
|
||
JSONPPolling.prototype.doClose = function () {
|
||
if (this.script) {
|
||
this.script.parentNode.removeChild(this.script);
|
||
this.script = null;
|
||
}
|
||
|
||
if (this.form) {
|
||
this.form.parentNode.removeChild(this.form);
|
||
this.form = null;
|
||
this.iframe = null;
|
||
}
|
||
|
||
Polling.prototype.doClose.call(this);
|
||
};
|
||
|
||
/**
|
||
* Starts a poll cycle.
|
||
*
|
||
* @api private
|
||
*/
|
||
|
||
JSONPPolling.prototype.doPoll = function () {
|
||
var self = this;
|
||
var script = document.createElement('script');
|
||
|
||
if (this.script) {
|
||
this.script.parentNode.removeChild(this.script);
|
||
this.script = null;
|
||
}
|
||
|
||
script.async = true;
|
||
script.src = this.uri();
|
||
script.onerror = function (e) {
|
||
self.onError('jsonp poll error', e);
|
||
};
|
||
|
||
var insertAt = document.getElementsByTagName('script')[0];
|
||
if (insertAt) {
|
||
insertAt.parentNode.insertBefore(script, insertAt);
|
||
} else {
|
||
(document.head || document.body).appendChild(script);
|
||
}
|
||
this.script = script;
|
||
|
||
var isUAgecko = 'undefined' !== typeof navigator && /gecko/i.test(navigator.userAgent);
|
||
|
||
if (isUAgecko) {
|
||
setTimeout(function () {
|
||
var iframe = document.createElement('iframe');
|
||
document.body.appendChild(iframe);
|
||
document.body.removeChild(iframe);
|
||
}, 100);
|
||
}
|
||
};
|
||
|
||
/**
|
||
* Writes with a hidden iframe.
|
||
*
|
||
* @param {String} data to send
|
||
* @param {Function} called upon flush.
|
||
* @api private
|
||
*/
|
||
|
||
JSONPPolling.prototype.doWrite = function (data, fn) {
|
||
var self = this;
|
||
|
||
if (!this.form) {
|
||
var form = document.createElement('form');
|
||
var area = document.createElement('textarea');
|
||
var id = this.iframeId = 'eio_iframe_' + this.index;
|
||
var iframe;
|
||
|
||
form.className = 'socketio';
|
||
form.style.position = 'absolute';
|
||
form.style.top = '-1000px';
|
||
form.style.left = '-1000px';
|
||
form.target = id;
|
||
form.method = 'POST';
|
||
form.setAttribute('accept-charset', 'utf-8');
|
||
area.name = 'd';
|
||
form.appendChild(area);
|
||
document.body.appendChild(form);
|
||
|
||
this.form = form;
|
||
this.area = area;
|
||
}
|
||
|
||
this.form.action = this.uri();
|
||
|
||
function complete () {
|
||
initIframe();
|
||
fn();
|
||
}
|
||
|
||
function initIframe () {
|
||
if (self.iframe) {
|
||
try {
|
||
self.form.removeChild(self.iframe);
|
||
} catch (e) {
|
||
self.onError('jsonp polling iframe removal error', e);
|
||
}
|
||
}
|
||
|
||
try {
|
||
// ie6 dynamic iframes with target="" support (thanks Chris Lambacher)
|
||
var html = '<iframe src="javascript:0" name="' + self.iframeId + '">';
|
||
iframe = document.createElement(html);
|
||
} catch (e) {
|
||
iframe = document.createElement('iframe');
|
||
iframe.name = self.iframeId;
|
||
iframe.src = 'javascript:0';
|
||
}
|
||
|
||
iframe.id = self.iframeId;
|
||
|
||
self.form.appendChild(iframe);
|
||
self.iframe = iframe;
|
||
}
|
||
|
||
initIframe();
|
||
|
||
// escape \n to prevent it from being converted into \r\n by some UAs
|
||
// double escaping is required for escaped new lines because unescaping of new lines can be done safely on server-side
|
||
data = data.replace(rEscapedNewline, '\\\n');
|
||
this.area.value = data.replace(rNewline, '\\n');
|
||
|
||
try {
|
||
this.form.submit();
|
||
} catch (e) {}
|
||
|
||
if (this.iframe.attachEvent) {
|
||
this.iframe.onreadystatechange = function () {
|
||
if (self.iframe.readyState === 'complete') {
|
||
complete();
|
||
}
|
||
};
|
||
} else {
|
||
this.iframe.onload = complete;
|
||
}
|
||
};
|
||
|
||
}).call(this,typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
|
||
},{"./polling":27,"component-inherit":19}],26:[function(require,module,exports){
|
||
(function (global){
|
||
/**
|
||
* Module requirements.
|
||
*/
|
||
|
||
var XMLHttpRequest = require('xmlhttprequest-ssl');
|
||
var Polling = require('./polling');
|
||
var Emitter = require('component-emitter');
|
||
var inherit = require('component-inherit');
|
||
var debug = require('debug')('engine.io-client:polling-xhr');
|
||
|
||
/**
|
||
* Module exports.
|
||
*/
|
||
|
||
module.exports = XHR;
|
||
module.exports.Request = Request;
|
||
|
||
/**
|
||
* Empty function
|
||
*/
|
||
|
||
function empty () {}
|
||
|
||
/**
|
||
* XHR Polling constructor.
|
||
*
|
||
* @param {Object} opts
|
||
* @api public
|
||
*/
|
||
|
||
function XHR (opts) {
|
||
Polling.call(this, opts);
|
||
this.requestTimeout = opts.requestTimeout;
|
||
|
||
if (global.location) {
|
||
var isSSL = 'https:' === location.protocol;
|
||
var port = location.port;
|
||
|
||
// some user agents have empty `location.port`
|
||
if (!port) {
|
||
port = isSSL ? 443 : 80;
|
||
}
|
||
|
||
this.xd = opts.hostname !== global.location.hostname ||
|
||
port !== opts.port;
|
||
this.xs = opts.secure !== isSSL;
|
||
} else {
|
||
this.extraHeaders = opts.extraHeaders;
|
||
}
|
||
}
|
||
|
||
/**
|
||
* Inherits from Polling.
|
||
*/
|
||
|
||
inherit(XHR, Polling);
|
||
|
||
/**
|
||
* XHR supports binary
|
||
*/
|
||
|
||
XHR.prototype.supportsBinary = true;
|
||
|
||
/**
|
||
* Creates a request.
|
||
*
|
||
* @param {String} method
|
||
* @api private
|
||
*/
|
||
|
||
XHR.prototype.request = function (opts) {
|
||
opts = opts || {};
|
||
opts.uri = this.uri();
|
||
opts.xd = this.xd;
|
||
opts.xs = this.xs;
|
||
opts.agent = this.agent || false;
|
||
opts.supportsBinary = this.supportsBinary;
|
||
opts.enablesXDR = this.enablesXDR;
|
||
|
||
// SSL options for Node.js client
|
||
opts.pfx = this.pfx;
|
||
opts.key = this.key;
|
||
opts.passphrase = this.passphrase;
|
||
opts.cert = this.cert;
|
||
opts.ca = this.ca;
|
||
opts.ciphers = this.ciphers;
|
||
opts.rejectUnauthorized = this.rejectUnauthorized;
|
||
opts.requestTimeout = this.requestTimeout;
|
||
|
||
// other options for Node.js client
|
||
opts.extraHeaders = this.extraHeaders;
|
||
|
||
return new Request(opts);
|
||
};
|
||
|
||
/**
|
||
* Sends data.
|
||
*
|
||
* @param {String} data to send.
|
||
* @param {Function} called upon flush.
|
||
* @api private
|
||
*/
|
||
|
||
XHR.prototype.doWrite = function (data, fn) {
|
||
var isBinary = typeof data !== 'string' && data !== undefined;
|
||
var req = this.request({ method: 'POST', data: data, isBinary: isBinary });
|
||
var self = this;
|
||
req.on('success', fn);
|
||
req.on('error', function (err) {
|
||
self.onError('xhr post error', err);
|
||
});
|
||
this.sendXhr = req;
|
||
};
|
||
|
||
/**
|
||
* Starts a poll cycle.
|
||
*
|
||
* @api private
|
||
*/
|
||
|
||
XHR.prototype.doPoll = function () {
|
||
debug('xhr poll');
|
||
var req = this.request();
|
||
var self = this;
|
||
req.on('data', function (data) {
|
||
self.onData(data);
|
||
});
|
||
req.on('error', function (err) {
|
||
self.onError('xhr poll error', err);
|
||
});
|
||
this.pollXhr = req;
|
||
};
|
||
|
||
/**
|
||
* Request constructor
|
||
*
|
||
* @param {Object} options
|
||
* @api public
|
||
*/
|
||
|
||
function Request (opts) {
|
||
this.method = opts.method || 'GET';
|
||
this.uri = opts.uri;
|
||
this.xd = !!opts.xd;
|
||
this.xs = !!opts.xs;
|
||
this.async = false !== opts.async;
|
||
this.data = undefined !== opts.data ? opts.data : null;
|
||
this.agent = opts.agent;
|
||
this.isBinary = opts.isBinary;
|
||
this.supportsBinary = opts.supportsBinary;
|
||
this.enablesXDR = opts.enablesXDR;
|
||
this.requestTimeout = opts.requestTimeout;
|
||
|
||
// SSL options for Node.js client
|
||
this.pfx = opts.pfx;
|
||
this.key = opts.key;
|
||
this.passphrase = opts.passphrase;
|
||
this.cert = opts.cert;
|
||
this.ca = opts.ca;
|
||
this.ciphers = opts.ciphers;
|
||
this.rejectUnauthorized = opts.rejectUnauthorized;
|
||
|
||
// other options for Node.js client
|
||
this.extraHeaders = opts.extraHeaders;
|
||
|
||
this.create();
|
||
}
|
||
|
||
/**
|
||
* Mix in `Emitter`.
|
||
*/
|
||
|
||
Emitter(Request.prototype);
|
||
|
||
/**
|
||
* Creates the XHR object and sends the request.
|
||
*
|
||
* @api private
|
||
*/
|
||
|
||
Request.prototype.create = function () {
|
||
var opts = { agent: this.agent, xdomain: this.xd, xscheme: this.xs, enablesXDR: this.enablesXDR };
|
||
|
||
// SSL options for Node.js client
|
||
opts.pfx = this.pfx;
|
||
opts.key = this.key;
|
||
opts.passphrase = this.passphrase;
|
||
opts.cert = this.cert;
|
||
opts.ca = this.ca;
|
||
opts.ciphers = this.ciphers;
|
||
opts.rejectUnauthorized = this.rejectUnauthorized;
|
||
|
||
var xhr = this.xhr = new XMLHttpRequest(opts);
|
||
var self = this;
|
||
|
||
try {
|
||
debug('xhr open %s: %s', this.method, this.uri);
|
||
xhr.open(this.method, this.uri, this.async);
|
||
try {
|
||
if (this.extraHeaders) {
|
||
xhr.setDisableHeaderCheck(true);
|
||
for (var i in this.extraHeaders) {
|
||
if (this.extraHeaders.hasOwnProperty(i)) {
|
||
xhr.setRequestHeader(i, this.extraHeaders[i]);
|
||
}
|
||
}
|
||
}
|
||
} catch (e) {}
|
||
if (this.supportsBinary) {
|
||
// This has to be done after open because Firefox is stupid
|
||
// http://stackoverflow.com/questions/13216903/get-binary-data-with-xmlhttprequest-in-a-firefox-extension
|
||
xhr.responseType = 'arraybuffer';
|
||
}
|
||
|
||
if ('POST' === this.method) {
|
||
try {
|
||
if (this.isBinary) {
|
||
xhr.setRequestHeader('Content-type', 'application/octet-stream');
|
||
} else {
|
||
xhr.setRequestHeader('Content-type', 'text/plain;charset=UTF-8');
|
||
}
|
||
} catch (e) {}
|
||
}
|
||
|
||
try {
|
||
xhr.setRequestHeader('Accept', '*/*');
|
||
} catch (e) {}
|
||
|
||
// ie6 check
|
||
if ('withCredentials' in xhr) {
|
||
xhr.withCredentials = true;
|
||
}
|
||
|
||
if (this.requestTimeout) {
|
||
xhr.timeout = this.requestTimeout;
|
||
}
|
||
|
||
if (this.hasXDR()) {
|
||
xhr.onload = function () {
|
||
self.onLoad();
|
||
};
|
||
xhr.onerror = function () {
|
||
self.onError(xhr.responseText);
|
||
};
|
||
} else {
|
||
xhr.onreadystatechange = function () {
|
||
if (4 !== xhr.readyState) return;
|
||
if (200 === xhr.status || 1223 === xhr.status) {
|
||
self.onLoad();
|
||
} else {
|
||
// make sure the `error` event handler that's user-set
|
||
// does not throw in the same tick and gets caught here
|
||
setTimeout(function () {
|
||
self.onError(xhr.status);
|
||
}, 0);
|
||
}
|
||
};
|
||
}
|
||
|
||
debug('xhr data %s', this.data);
|
||
xhr.send(this.data);
|
||
} catch (e) {
|
||
// Need to defer since .create() is called directly fhrom the constructor
|
||
// and thus the 'error' event can only be only bound *after* this exception
|
||
// occurs. Therefore, also, we cannot throw here at all.
|
||
setTimeout(function () {
|
||
self.onError(e);
|
||
}, 0);
|
||
return;
|
||
}
|
||
|
||
if (global.document) {
|
||
this.index = Request.requestsCount++;
|
||
Request.requests[this.index] = this;
|
||
}
|
||
};
|
||
|
||
/**
|
||
* Called upon successful response.
|
||
*
|
||
* @api private
|
||
*/
|
||
|
||
Request.prototype.onSuccess = function () {
|
||
this.emit('success');
|
||
this.cleanup();
|
||
};
|
||
|
||
/**
|
||
* Called if we have data.
|
||
*
|
||
* @api private
|
||
*/
|
||
|
||
Request.prototype.onData = function (data) {
|
||
this.emit('data', data);
|
||
this.onSuccess();
|
||
};
|
||
|
||
/**
|
||
* Called upon error.
|
||
*
|
||
* @api private
|
||
*/
|
||
|
||
Request.prototype.onError = function (err) {
|
||
this.emit('error', err);
|
||
this.cleanup(true);
|
||
};
|
||
|
||
/**
|
||
* Cleans up house.
|
||
*
|
||
* @api private
|
||
*/
|
||
|
||
Request.prototype.cleanup = function (fromError) {
|
||
if ('undefined' === typeof this.xhr || null === this.xhr) {
|
||
return;
|
||
}
|
||
// xmlhttprequest
|
||
if (this.hasXDR()) {
|
||
this.xhr.onload = this.xhr.onerror = empty;
|
||
} else {
|
||
this.xhr.onreadystatechange = empty;
|
||
}
|
||
|
||
if (fromError) {
|
||
try {
|
||
this.xhr.abort();
|
||
} catch (e) {}
|
||
}
|
||
|
||
if (global.document) {
|
||
delete Request.requests[this.index];
|
||
}
|
||
|
||
this.xhr = null;
|
||
};
|
||
|
||
/**
|
||
* Called upon load.
|
||
*
|
||
* @api private
|
||
*/
|
||
|
||
Request.prototype.onLoad = function () {
|
||
var data;
|
||
try {
|
||
var contentType;
|
||
try {
|
||
contentType = this.xhr.getResponseHeader('Content-Type').split(';')[0];
|
||
} catch (e) {}
|
||
if (contentType === 'application/octet-stream') {
|
||
data = this.xhr.response || this.xhr.responseText;
|
||
} else {
|
||
if (!this.supportsBinary) {
|
||
data = this.xhr.responseText;
|
||
} else {
|
||
try {
|
||
data = String.fromCharCode.apply(null, new Uint8Array(this.xhr.response));
|
||
} catch (e) {
|
||
var ui8Arr = new Uint8Array(this.xhr.response);
|
||
var dataArray = [];
|
||
for (var idx = 0, length = ui8Arr.length; idx < length; idx++) {
|
||
dataArray.push(ui8Arr[idx]);
|
||
}
|
||
|
||
data = String.fromCharCode.apply(null, dataArray);
|
||
}
|
||
}
|
||
}
|
||
} catch (e) {
|
||
this.onError(e);
|
||
}
|
||
if (null != data) {
|
||
this.onData(data);
|
||
}
|
||
};
|
||
|
||
/**
|
||
* Check if it has XDomainRequest.
|
||
*
|
||
* @api private
|
||
*/
|
||
|
||
Request.prototype.hasXDR = function () {
|
||
return 'undefined' !== typeof global.XDomainRequest && !this.xs && this.enablesXDR;
|
||
};
|
||
|
||
/**
|
||
* Aborts the request.
|
||
*
|
||
* @api public
|
||
*/
|
||
|
||
Request.prototype.abort = function () {
|
||
this.cleanup();
|
||
};
|
||
|
||
/**
|
||
* Aborts pending requests when unloading the window. This is needed to prevent
|
||
* memory leaks (e.g. when using IE) and to ensure that no spurious error is
|
||
* emitted.
|
||
*/
|
||
|
||
Request.requestsCount = 0;
|
||
Request.requests = {};
|
||
|
||
if (global.document) {
|
||
if (global.attachEvent) {
|
||
global.attachEvent('onunload', unloadHandler);
|
||
} else if (global.addEventListener) {
|
||
global.addEventListener('beforeunload', unloadHandler, false);
|
||
}
|
||
}
|
||
|
||
function unloadHandler () {
|
||
for (var i in Request.requests) {
|
||
if (Request.requests.hasOwnProperty(i)) {
|
||
Request.requests[i].abort();
|
||
}
|
||
}
|
||
}
|
||
|
||
}).call(this,typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
|
||
},{"./polling":27,"component-emitter":30,"component-inherit":19,"debug":31,"xmlhttprequest-ssl":29}],27:[function(require,module,exports){
|
||
/**
|
||
* Module dependencies.
|
||
*/
|
||
|
||
var Transport = require('../transport');
|
||
var parseqs = require('parseqs');
|
||
var parser = require('engine.io-parser');
|
||
var inherit = require('component-inherit');
|
||
var yeast = require('yeast');
|
||
var debug = require('debug')('engine.io-client:polling');
|
||
|
||
/**
|
||
* Module exports.
|
||
*/
|
||
|
||
module.exports = Polling;
|
||
|
||
/**
|
||
* Is XHR2 supported?
|
||
*/
|
||
|
||
var hasXHR2 = (function () {
|
||
var XMLHttpRequest = require('xmlhttprequest-ssl');
|
||
var xhr = new XMLHttpRequest({ xdomain: false });
|
||
return null != xhr.responseType;
|
||
})();
|
||
|
||
/**
|
||
* Polling interface.
|
||
*
|
||
* @param {Object} opts
|
||
* @api private
|
||
*/
|
||
|
||
function Polling (opts) {
|
||
var forceBase64 = (opts && opts.forceBase64);
|
||
if (!hasXHR2 || forceBase64) {
|
||
this.supportsBinary = false;
|
||
}
|
||
Transport.call(this, opts);
|
||
}
|
||
|
||
/**
|
||
* Inherits from Transport.
|
||
*/
|
||
|
||
inherit(Polling, Transport);
|
||
|
||
/**
|
||
* Transport name.
|
||
*/
|
||
|
||
Polling.prototype.name = 'polling';
|
||
|
||
/**
|
||
* Opens the socket (triggers polling). We write a PING message to determine
|
||
* when the transport is open.
|
||
*
|
||
* @api private
|
||
*/
|
||
|
||
Polling.prototype.doOpen = function () {
|
||
this.poll();
|
||
};
|
||
|
||
/**
|
||
* Pauses polling.
|
||
*
|
||
* @param {Function} callback upon buffers are flushed and transport is paused
|
||
* @api private
|
||
*/
|
||
|
||
Polling.prototype.pause = function (onPause) {
|
||
var self = this;
|
||
|
||
this.readyState = 'pausing';
|
||
|
||
function pause () {
|
||
debug('paused');
|
||
self.readyState = 'paused';
|
||
onPause();
|
||
}
|
||
|
||
if (this.polling || !this.writable) {
|
||
var total = 0;
|
||
|
||
if (this.polling) {
|
||
debug('we are currently polling - waiting to pause');
|
||
total++;
|
||
this.once('pollComplete', function () {
|
||
debug('pre-pause polling complete');
|
||
--total || pause();
|
||
});
|
||
}
|
||
|
||
if (!this.writable) {
|
||
debug('we are currently writing - waiting to pause');
|
||
total++;
|
||
this.once('drain', function () {
|
||
debug('pre-pause writing complete');
|
||
--total || pause();
|
||
});
|
||
}
|
||
} else {
|
||
pause();
|
||
}
|
||
};
|
||
|
||
/**
|
||
* Starts polling cycle.
|
||
*
|
||
* @api public
|
||
*/
|
||
|
||
Polling.prototype.poll = function () {
|
||
debug('polling');
|
||
this.polling = true;
|
||
this.doPoll();
|
||
this.emit('poll');
|
||
};
|
||
|
||
/**
|
||
* Overloads onData to detect payloads.
|
||
*
|
||
* @api private
|
||
*/
|
||
|
||
Polling.prototype.onData = function (data) {
|
||
var self = this;
|
||
debug('polling got data %s', data);
|
||
var callback = function (packet, index, total) {
|
||
// if its the first message we consider the transport open
|
||
if ('opening' === self.readyState) {
|
||
self.onOpen();
|
||
}
|
||
|
||
// if its a close packet, we close the ongoing requests
|
||
if ('close' === packet.type) {
|
||
self.onClose();
|
||
return false;
|
||
}
|
||
|
||
// otherwise bypass onData and handle the message
|
||
self.onPacket(packet);
|
||
};
|
||
|
||
// decode payload
|
||
parser.decodePayload(data, this.socket.binaryType, callback);
|
||
|
||
// if an event did not trigger closing
|
||
if ('closed' !== this.readyState) {
|
||
// if we got data we're not polling
|
||
this.polling = false;
|
||
this.emit('pollComplete');
|
||
|
||
if ('open' === this.readyState) {
|
||
this.poll();
|
||
} else {
|
||
debug('ignoring poll - transport state "%s"', this.readyState);
|
||
}
|
||
}
|
||
};
|
||
|
||
/**
|
||
* For polling, send a close packet.
|
||
*
|
||
* @api private
|
||
*/
|
||
|
||
Polling.prototype.doClose = function () {
|
||
var self = this;
|
||
|
||
function close () {
|
||
debug('writing close packet');
|
||
self.write([{ type: 'close' }]);
|
||
}
|
||
|
||
if ('open' === this.readyState) {
|
||
debug('transport open - closing');
|
||
close();
|
||
} else {
|
||
// in case we're trying to close while
|
||
// handshaking is in progress (GH-164)
|
||
debug('transport not open - deferring close');
|
||
this.once('open', close);
|
||
}
|
||
};
|
||
|
||
/**
|
||
* Writes a packets payload.
|
||
*
|
||
* @param {Array} data packets
|
||
* @param {Function} drain callback
|
||
* @api private
|
||
*/
|
||
|
||
Polling.prototype.write = function (packets) {
|
||
var self = this;
|
||
this.writable = false;
|
||
var callbackfn = function () {
|
||
self.writable = true;
|
||
self.emit('drain');
|
||
};
|
||
|
||
parser.encodePayload(packets, this.supportsBinary, function (data) {
|
||
self.doWrite(data, callbackfn);
|
||
});
|
||
};
|
||
|
||
/**
|
||
* Generates uri for connection.
|
||
*
|
||
* @api private
|
||
*/
|
||
|
||
Polling.prototype.uri = function () {
|
||
var query = this.query || {};
|
||
var schema = this.secure ? 'https' : 'http';
|
||
var port = '';
|
||
|
||
// cache busting is forced
|
||
if (false !== this.timestampRequests) {
|
||
query[this.timestampParam] = yeast();
|
||
}
|
||
|
||
if (!this.supportsBinary && !query.sid) {
|
||
query.b64 = 1;
|
||
}
|
||
|
||
query = parseqs.encode(query);
|
||
|
||
// avoid port if default for schema
|
||
if (this.port && (('https' === schema && Number(this.port) !== 443) ||
|
||
('http' === schema && Number(this.port) !== 80))) {
|
||
port = ':' + this.port;
|
||
}
|
||
|
||
// prepend ? to query
|
||
if (query.length) {
|
||
query = '?' + query;
|
||
}
|
||
|
||
var ipv6 = this.hostname.indexOf(':') !== -1;
|
||
return schema + '://' + (ipv6 ? '[' + this.hostname + ']' : this.hostname) + port + this.path + query;
|
||
};
|
||
|
||
},{"../transport":23,"component-inherit":19,"debug":31,"engine.io-parser":34,"parseqs":42,"xmlhttprequest-ssl":29,"yeast":61}],28:[function(require,module,exports){
|
||
(function (global){
|
||
/**
|
||
* Module dependencies.
|
||
*/
|
||
|
||
var Transport = require('../transport');
|
||
var parser = require('engine.io-parser');
|
||
var parseqs = require('parseqs');
|
||
var inherit = require('component-inherit');
|
||
var yeast = require('yeast');
|
||
var debug = require('debug')('engine.io-client:websocket');
|
||
var BrowserWebSocket = global.WebSocket || global.MozWebSocket;
|
||
var NodeWebSocket;
|
||
if (typeof window === 'undefined') {
|
||
try {
|
||
NodeWebSocket = require('ws');
|
||
} catch (e) { }
|
||
}
|
||
|
||
/**
|
||
* Get either the `WebSocket` or `MozWebSocket` globals
|
||
* in the browser or try to resolve WebSocket-compatible
|
||
* interface exposed by `ws` for Node-like environment.
|
||
*/
|
||
|
||
var WebSocket = BrowserWebSocket;
|
||
if (!WebSocket && typeof window === 'undefined') {
|
||
WebSocket = NodeWebSocket;
|
||
}
|
||
|
||
/**
|
||
* Module exports.
|
||
*/
|
||
|
||
module.exports = WS;
|
||
|
||
/**
|
||
* WebSocket transport constructor.
|
||
*
|
||
* @api {Object} connection options
|
||
* @api public
|
||
*/
|
||
|
||
function WS (opts) {
|
||
var forceBase64 = (opts && opts.forceBase64);
|
||
if (forceBase64) {
|
||
this.supportsBinary = false;
|
||
}
|
||
this.perMessageDeflate = opts.perMessageDeflate;
|
||
this.usingBrowserWebSocket = BrowserWebSocket && !opts.forceNode;
|
||
if (!this.usingBrowserWebSocket) {
|
||
WebSocket = NodeWebSocket;
|
||
}
|
||
Transport.call(this, opts);
|
||
}
|
||
|
||
/**
|
||
* Inherits from Transport.
|
||
*/
|
||
|
||
inherit(WS, Transport);
|
||
|
||
/**
|
||
* Transport name.
|
||
*
|
||
* @api public
|
||
*/
|
||
|
||
WS.prototype.name = 'websocket';
|
||
|
||
/*
|
||
* WebSockets support binary
|
||
*/
|
||
|
||
WS.prototype.supportsBinary = true;
|
||
|
||
/**
|
||
* Opens socket.
|
||
*
|
||
* @api private
|
||
*/
|
||
|
||
WS.prototype.doOpen = function () {
|
||
if (!this.check()) {
|
||
// let probe timeout
|
||
return;
|
||
}
|
||
|
||
var uri = this.uri();
|
||
var protocols = void (0);
|
||
var opts = {
|
||
agent: this.agent,
|
||
perMessageDeflate: this.perMessageDeflate
|
||
};
|
||
|
||
// SSL options for Node.js client
|
||
opts.pfx = this.pfx;
|
||
opts.key = this.key;
|
||
opts.passphrase = this.passphrase;
|
||
opts.cert = this.cert;
|
||
opts.ca = this.ca;
|
||
opts.ciphers = this.ciphers;
|
||
opts.rejectUnauthorized = this.rejectUnauthorized;
|
||
if (this.extraHeaders) {
|
||
opts.headers = this.extraHeaders;
|
||
}
|
||
if (this.localAddress) {
|
||
opts.localAddress = this.localAddress;
|
||
}
|
||
|
||
try {
|
||
this.ws = this.usingBrowserWebSocket ? new WebSocket(uri) : new WebSocket(uri, protocols, opts);
|
||
} catch (err) {
|
||
return this.emit('error', err);
|
||
}
|
||
|
||
if (this.ws.binaryType === undefined) {
|
||
this.supportsBinary = false;
|
||
}
|
||
|
||
if (this.ws.supports && this.ws.supports.binary) {
|
||
this.supportsBinary = true;
|
||
this.ws.binaryType = 'nodebuffer';
|
||
} else {
|
||
this.ws.binaryType = 'arraybuffer';
|
||
}
|
||
|
||
this.addEventListeners();
|
||
};
|
||
|
||
/**
|
||
* Adds event listeners to the socket
|
||
*
|
||
* @api private
|
||
*/
|
||
|
||
WS.prototype.addEventListeners = function () {
|
||
var self = this;
|
||
|
||
this.ws.onopen = function () {
|
||
self.onOpen();
|
||
};
|
||
this.ws.onclose = function () {
|
||
self.onClose();
|
||
};
|
||
this.ws.onmessage = function (ev) {
|
||
self.onData(ev.data);
|
||
};
|
||
this.ws.onerror = function (e) {
|
||
self.onError('websocket error', e);
|
||
};
|
||
};
|
||
|
||
/**
|
||
* Writes data to socket.
|
||
*
|
||
* @param {Array} array of packets.
|
||
* @api private
|
||
*/
|
||
|
||
WS.prototype.write = function (packets) {
|
||
var self = this;
|
||
this.writable = false;
|
||
|
||
// encodePacket efficient as it uses WS framing
|
||
// no need for encodePayload
|
||
var total = packets.length;
|
||
for (var i = 0, l = total; i < l; i++) {
|
||
(function (packet) {
|
||
parser.encodePacket(packet, self.supportsBinary, function (data) {
|
||
if (!self.usingBrowserWebSocket) {
|
||
// always create a new object (GH-437)
|
||
var opts = {};
|
||
if (packet.options) {
|
||
opts.compress = packet.options.compress;
|
||
}
|
||
|
||
if (self.perMessageDeflate) {
|
||
var len = 'string' === typeof data ? global.Buffer.byteLength(data) : data.length;
|
||
if (len < self.perMessageDeflate.threshold) {
|
||
opts.compress = false;
|
||
}
|
||
}
|
||
}
|
||
|
||
// Sometimes the websocket has already been closed but the browser didn't
|
||
// have a chance of informing us about it yet, in that case send will
|
||
// throw an error
|
||
try {
|
||
if (self.usingBrowserWebSocket) {
|
||
// TypeError is thrown when passing the second argument on Safari
|
||
self.ws.send(data);
|
||
} else {
|
||
self.ws.send(data, opts);
|
||
}
|
||
} catch (e) {
|
||
debug('websocket closed before onclose event');
|
||
}
|
||
|
||
--total || done();
|
||
});
|
||
})(packets[i]);
|
||
}
|
||
|
||
function done () {
|
||
self.emit('flush');
|
||
|
||
// fake drain
|
||
// defer to next tick to allow Socket to clear writeBuffer
|
||
setTimeout(function () {
|
||
self.writable = true;
|
||
self.emit('drain');
|
||
}, 0);
|
||
}
|
||
};
|
||
|
||
/**
|
||
* Called upon close
|
||
*
|
||
* @api private
|
||
*/
|
||
|
||
WS.prototype.onClose = function () {
|
||
Transport.prototype.onClose.call(this);
|
||
};
|
||
|
||
/**
|
||
* Closes socket.
|
||
*
|
||
* @api private
|
||
*/
|
||
|
||
WS.prototype.doClose = function () {
|
||
if (typeof this.ws !== 'undefined') {
|
||
this.ws.close();
|
||
}
|
||
};
|
||
|
||
/**
|
||
* Generates uri for connection.
|
||
*
|
||
* @api private
|
||
*/
|
||
|
||
WS.prototype.uri = function () {
|
||
var query = this.query || {};
|
||
var schema = this.secure ? 'wss' : 'ws';
|
||
var port = '';
|
||
|
||
// avoid port if default for schema
|
||
if (this.port && (('wss' === schema && Number(this.port) !== 443) ||
|
||
('ws' === schema && Number(this.port) !== 80))) {
|
||
port = ':' + this.port;
|
||
}
|
||
|
||
// append timestamp to URI
|
||
if (this.timestampRequests) {
|
||
query[this.timestampParam] = yeast();
|
||
}
|
||
|
||
// communicate binary support capabilities
|
||
if (!this.supportsBinary) {
|
||
query.b64 = 1;
|
||
}
|
||
|
||
query = parseqs.encode(query);
|
||
|
||
// prepend ? to query
|
||
if (query.length) {
|
||
query = '?' + query;
|
||
}
|
||
|
||
var ipv6 = this.hostname.indexOf(':') !== -1;
|
||
return schema + '://' + (ipv6 ? '[' + this.hostname + ']' : this.hostname) + port + this.path + query;
|
||
};
|
||
|
||
/**
|
||
* Feature detection for WebSocket.
|
||
*
|
||
* @return {Boolean} whether this transport is available.
|
||
* @api public
|
||
*/
|
||
|
||
WS.prototype.check = function () {
|
||
return !!WebSocket && !('__initialize' in WebSocket && this.name === WS.prototype.name);
|
||
};
|
||
|
||
}).call(this,typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
|
||
},{"../transport":23,"component-inherit":19,"debug":31,"engine.io-parser":34,"parseqs":42,"ws":62,"yeast":61}],29:[function(require,module,exports){
|
||
(function (global){
|
||
// browser shim for xmlhttprequest module
|
||
|
||
var hasCORS = require('has-cors');
|
||
|
||
module.exports = function (opts) {
|
||
var xdomain = opts.xdomain;
|
||
|
||
// scheme must be same when usign XDomainRequest
|
||
// http://blogs.msdn.com/b/ieinternals/archive/2010/05/13/xdomainrequest-restrictions-limitations-and-workarounds.aspx
|
||
var xscheme = opts.xscheme;
|
||
|
||
// XDomainRequest has a flow of not sending cookie, therefore it should be disabled as a default.
|
||
// https://github.com/Automattic/engine.io-client/pull/217
|
||
var enablesXDR = opts.enablesXDR;
|
||
|
||
// XMLHttpRequest can be disabled on IE
|
||
try {
|
||
if ('undefined' !== typeof XMLHttpRequest && (!xdomain || hasCORS)) {
|
||
return new XMLHttpRequest();
|
||
}
|
||
} catch (e) { }
|
||
|
||
// Use XDomainRequest for IE8 if enablesXDR is true
|
||
// because loading bar keeps flashing when using jsonp-polling
|
||
// https://github.com/yujiosaka/socke.io-ie8-loading-example
|
||
try {
|
||
if ('undefined' !== typeof XDomainRequest && !xscheme && enablesXDR) {
|
||
return new XDomainRequest();
|
||
}
|
||
} catch (e) { }
|
||
|
||
if (!xdomain) {
|
||
try {
|
||
return new global[['Active'].concat('Object').join('X')]('Microsoft.XMLHTTP');
|
||
} catch (e) { }
|
||
}
|
||
};
|
||
|
||
}).call(this,typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
|
||
},{"has-cors":37}],30:[function(require,module,exports){
|
||
|
||
/**
|
||
* Expose `Emitter`.
|
||
*/
|
||
|
||
if (typeof module !== 'undefined') {
|
||
module.exports = Emitter;
|
||
}
|
||
|
||
/**
|
||
* Initialize a new `Emitter`.
|
||
*
|
||
* @api public
|
||
*/
|
||
|
||
function Emitter(obj) {
|
||
if (obj) return mixin(obj);
|
||
};
|
||
|
||
/**
|
||
* Mixin the emitter properties.
|
||
*
|
||
* @param {Object} obj
|
||
* @return {Object}
|
||
* @api private
|
||
*/
|
||
|
||
function mixin(obj) {
|
||
for (var key in Emitter.prototype) {
|
||
obj[key] = Emitter.prototype[key];
|
||
}
|
||
return obj;
|
||
}
|
||
|
||
/**
|
||
* Listen on the given `event` with `fn`.
|
||
*
|
||
* @param {String} event
|
||
* @param {Function} fn
|
||
* @return {Emitter}
|
||
* @api public
|
||
*/
|
||
|
||
Emitter.prototype.on =
|
||
Emitter.prototype.addEventListener = function(event, fn){
|
||
this._callbacks = this._callbacks || {};
|
||
(this._callbacks['$' + event] = this._callbacks['$' + event] || [])
|
||
.push(fn);
|
||
return this;
|
||
};
|
||
|
||
/**
|
||
* Adds an `event` listener that will be invoked a single
|
||
* time then automatically removed.
|
||
*
|
||
* @param {String} event
|
||
* @param {Function} fn
|
||
* @return {Emitter}
|
||
* @api public
|
||
*/
|
||
|
||
Emitter.prototype.once = function(event, fn){
|
||
function on() {
|
||
this.off(event, on);
|
||
fn.apply(this, arguments);
|
||
}
|
||
|
||
on.fn = fn;
|
||
this.on(event, on);
|
||
return this;
|
||
};
|
||
|
||
/**
|
||
* Remove the given callback for `event` or all
|
||
* registered callbacks.
|
||
*
|
||
* @param {String} event
|
||
* @param {Function} fn
|
||
* @return {Emitter}
|
||
* @api public
|
||
*/
|
||
|
||
Emitter.prototype.off =
|
||
Emitter.prototype.removeListener =
|
||
Emitter.prototype.removeAllListeners =
|
||
Emitter.prototype.removeEventListener = function(event, fn){
|
||
this._callbacks = this._callbacks || {};
|
||
|
||
// all
|
||
if (0 == arguments.length) {
|
||
this._callbacks = {};
|
||
return this;
|
||
}
|
||
|
||
// specific event
|
||
var callbacks = this._callbacks['$' + event];
|
||
if (!callbacks) return this;
|
||
|
||
// remove all handlers
|
||
if (1 == arguments.length) {
|
||
delete this._callbacks['$' + event];
|
||
return this;
|
||
}
|
||
|
||
// remove specific handler
|
||
var cb;
|
||
for (var i = 0; i < callbacks.length; i++) {
|
||
cb = callbacks[i];
|
||
if (cb === fn || cb.fn === fn) {
|
||
callbacks.splice(i, 1);
|
||
break;
|
||
}
|
||
}
|
||
return this;
|
||
};
|
||
|
||
/**
|
||
* Emit `event` with the given args.
|
||
*
|
||
* @param {String} event
|
||
* @param {Mixed} ...
|
||
* @return {Emitter}
|
||
*/
|
||
|
||
Emitter.prototype.emit = function(event){
|
||
this._callbacks = this._callbacks || {};
|
||
var args = [].slice.call(arguments, 1)
|
||
, callbacks = this._callbacks['$' + event];
|
||
|
||
if (callbacks) {
|
||
callbacks = callbacks.slice(0);
|
||
for (var i = 0, len = callbacks.length; i < len; ++i) {
|
||
callbacks[i].apply(this, args);
|
||
}
|
||
}
|
||
|
||
return this;
|
||
};
|
||
|
||
/**
|
||
* Return array of callbacks for `event`.
|
||
*
|
||
* @param {String} event
|
||
* @return {Array}
|
||
* @api public
|
||
*/
|
||
|
||
Emitter.prototype.listeners = function(event){
|
||
this._callbacks = this._callbacks || {};
|
||
return this._callbacks['$' + event] || [];
|
||
};
|
||
|
||
/**
|
||
* Check if this emitter has `event` handlers.
|
||
*
|
||
* @param {String} event
|
||
* @return {Boolean}
|
||
* @api public
|
||
*/
|
||
|
||
Emitter.prototype.hasListeners = function(event){
|
||
return !! this.listeners(event).length;
|
||
};
|
||
|
||
},{}],31:[function(require,module,exports){
|
||
(function (process){
|
||
|
||
/**
|
||
* This is the web browser implementation of `debug()`.
|
||
*
|
||
* Expose `debug()` as the module.
|
||
*/
|
||
|
||
exports = module.exports = require('./debug');
|
||
exports.log = log;
|
||
exports.formatArgs = formatArgs;
|
||
exports.save = save;
|
||
exports.load = load;
|
||
exports.useColors = useColors;
|
||
exports.storage = 'undefined' != typeof chrome
|
||
&& 'undefined' != typeof chrome.storage
|
||
? chrome.storage.local
|
||
: localstorage();
|
||
|
||
/**
|
||
* Colors.
|
||
*/
|
||
|
||
exports.colors = [
|
||
'lightseagreen',
|
||
'forestgreen',
|
||
'goldenrod',
|
||
'dodgerblue',
|
||
'darkorchid',
|
||
'crimson'
|
||
];
|
||
|
||
/**
|
||
* Currently only WebKit-based Web Inspectors, Firefox >= v31,
|
||
* and the Firebug extension (any Firefox version) are known
|
||
* to support "%c" CSS customizations.
|
||
*
|
||
* TODO: add a `localStorage` variable to explicitly enable/disable colors
|
||
*/
|
||
|
||
function useColors() {
|
||
// is webkit? http://stackoverflow.com/a/16459606/376773
|
||
// document is undefined in react-native: https://github.com/facebook/react-native/pull/1632
|
||
return (typeof document !== 'undefined' && 'WebkitAppearance' in document.documentElement.style) ||
|
||
// is firebug? http://stackoverflow.com/a/398120/376773
|
||
(window.console && (console.firebug || (console.exception && console.table))) ||
|
||
// is firefox >= v31?
|
||
// https://developer.mozilla.org/en-US/docs/Tools/Web_Console#Styling_messages
|
||
(navigator.userAgent.toLowerCase().match(/firefox\/(\d+)/) && parseInt(RegExp.$1, 10) >= 31);
|
||
}
|
||
|
||
/**
|
||
* Map %j to `JSON.stringify()`, since no Web Inspectors do that by default.
|
||
*/
|
||
|
||
exports.formatters.j = function(v) {
|
||
try {
|
||
return JSON.stringify(v);
|
||
} catch (err) {
|
||
return '[UnexpectedJSONParseError]: ' + err.message;
|
||
}
|
||
};
|
||
|
||
|
||
/**
|
||
* Colorize log arguments if enabled.
|
||
*
|
||
* @api public
|
||
*/
|
||
|
||
function formatArgs() {
|
||
var args = arguments;
|
||
var useColors = this.useColors;
|
||
|
||
args[0] = (useColors ? '%c' : '')
|
||
+ this.namespace
|
||
+ (useColors ? ' %c' : ' ')
|
||
+ args[0]
|
||
+ (useColors ? '%c ' : ' ')
|
||
+ '+' + exports.humanize(this.diff);
|
||
|
||
if (!useColors) return args;
|
||
|
||
var c = 'color: ' + this.color;
|
||
args = [args[0], c, 'color: inherit'].concat(Array.prototype.slice.call(args, 1));
|
||
|
||
// the final "%c" is somewhat tricky, because there could be other
|
||
// arguments passed either before or after the %c, so we need to
|
||
// figure out the correct index to insert the CSS into
|
||
var index = 0;
|
||
var lastC = 0;
|
||
args[0].replace(/%[a-z%]/g, function(match) {
|
||
if ('%%' === match) return;
|
||
index++;
|
||
if ('%c' === match) {
|
||
// we only are interested in the *last* %c
|
||
// (the user may have provided their own)
|
||
lastC = index;
|
||
}
|
||
});
|
||
|
||
args.splice(lastC, 0, c);
|
||
return args;
|
||
}
|
||
|
||
/**
|
||
* Invokes `console.log()` when available.
|
||
* No-op when `console.log` is not a "function".
|
||
*
|
||
* @api public
|
||
*/
|
||
|
||
function log() {
|
||
// this hackery is required for IE8/9, where
|
||
// the `console.log` function doesn't have 'apply'
|
||
return 'object' === typeof console
|
||
&& console.log
|
||
&& Function.prototype.apply.call(console.log, console, arguments);
|
||
}
|
||
|
||
/**
|
||
* Save `namespaces`.
|
||
*
|
||
* @param {String} namespaces
|
||
* @api private
|
||
*/
|
||
|
||
function save(namespaces) {
|
||
try {
|
||
if (null == namespaces) {
|
||
exports.storage.removeItem('debug');
|
||
} else {
|
||
exports.storage.debug = namespaces;
|
||
}
|
||
} catch(e) {}
|
||
}
|
||
|
||
/**
|
||
* Load `namespaces`.
|
||
*
|
||
* @return {String} returns the previously persisted debug modes
|
||
* @api private
|
||
*/
|
||
|
||
function load() {
|
||
var r;
|
||
try {
|
||
return exports.storage.debug;
|
||
} catch(e) {}
|
||
|
||
// If debug isn't set in LS, and we're in Electron, try to load $DEBUG
|
||
if (typeof process !== 'undefined' && 'env' in process) {
|
||
return process.env.DEBUG;
|
||
}
|
||
}
|
||
|
||
/**
|
||
* Enable namespaces listed in `localStorage.debug` initially.
|
||
*/
|
||
|
||
exports.enable(load());
|
||
|
||
/**
|
||
* Localstorage attempts to return the localstorage.
|
||
*
|
||
* This is necessary because safari throws
|
||
* when a user disables cookies/localstorage
|
||
* and you attempt to access it.
|
||
*
|
||
* @return {LocalStorage}
|
||
* @api private
|
||
*/
|
||
|
||
function localstorage(){
|
||
try {
|
||
return window.localStorage;
|
||
} catch (e) {}
|
||
}
|
||
|
||
}).call(this,require('_process'))
|
||
},{"./debug":32,"_process":63}],32:[function(require,module,exports){
|
||
|
||
/**
|
||
* This is the common logic for both the Node.js and web browser
|
||
* implementations of `debug()`.
|
||
*
|
||
* Expose `debug()` as the module.
|
||
*/
|
||
|
||
exports = module.exports = debug.debug = debug;
|
||
exports.coerce = coerce;
|
||
exports.disable = disable;
|
||
exports.enable = enable;
|
||
exports.enabled = enabled;
|
||
exports.humanize = require('ms');
|
||
|
||
/**
|
||
* The currently active debug mode names, and names to skip.
|
||
*/
|
||
|
||
exports.names = [];
|
||
exports.skips = [];
|
||
|
||
/**
|
||
* Map of special "%n" handling functions, for the debug "format" argument.
|
||
*
|
||
* Valid key names are a single, lowercased letter, i.e. "n".
|
||
*/
|
||
|
||
exports.formatters = {};
|
||
|
||
/**
|
||
* Previously assigned color.
|
||
*/
|
||
|
||
var prevColor = 0;
|
||
|
||
/**
|
||
* Previous log timestamp.
|
||
*/
|
||
|
||
var prevTime;
|
||
|
||
/**
|
||
* Select a color.
|
||
*
|
||
* @return {Number}
|
||
* @api private
|
||
*/
|
||
|
||
function selectColor() {
|
||
return exports.colors[prevColor++ % exports.colors.length];
|
||
}
|
||
|
||
/**
|
||
* Create a debugger with the given `namespace`.
|
||
*
|
||
* @param {String} namespace
|
||
* @return {Function}
|
||
* @api public
|
||
*/
|
||
|
||
function debug(namespace) {
|
||
|
||
// define the `disabled` version
|
||
function disabled() {
|
||
}
|
||
disabled.enabled = false;
|
||
|
||
// define the `enabled` version
|
||
function enabled() {
|
||
|
||
var self = enabled;
|
||
|
||
// set `diff` timestamp
|
||
var curr = +new Date();
|
||
var ms = curr - (prevTime || curr);
|
||
self.diff = ms;
|
||
self.prev = prevTime;
|
||
self.curr = curr;
|
||
prevTime = curr;
|
||
|
||
// add the `color` if not set
|
||
if (null == self.useColors) self.useColors = exports.useColors();
|
||
if (null == self.color && self.useColors) self.color = selectColor();
|
||
|
||
var args = new Array(arguments.length);
|
||
for (var i = 0; i < args.length; i++) {
|
||
args[i] = arguments[i];
|
||
}
|
||
|
||
args[0] = exports.coerce(args[0]);
|
||
|
||
if ('string' !== typeof args[0]) {
|
||
// anything else let's inspect with %o
|
||
args = ['%o'].concat(args);
|
||
}
|
||
|
||
// apply any `formatters` transformations
|
||
var index = 0;
|
||
args[0] = args[0].replace(/%([a-z%])/g, function(match, format) {
|
||
// if we encounter an escaped % then don't increase the array index
|
||
if (match === '%%') return match;
|
||
index++;
|
||
var formatter = exports.formatters[format];
|
||
if ('function' === typeof formatter) {
|
||
var val = args[index];
|
||
match = formatter.call(self, val);
|
||
|
||
// now we need to remove `args[index]` since it's inlined in the `format`
|
||
args.splice(index, 1);
|
||
index--;
|
||
}
|
||
return match;
|
||
});
|
||
|
||
// apply env-specific formatting
|
||
args = exports.formatArgs.apply(self, args);
|
||
|
||
var logFn = enabled.log || exports.log || console.log.bind(console);
|
||
logFn.apply(self, args);
|
||
}
|
||
enabled.enabled = true;
|
||
|
||
var fn = exports.enabled(namespace) ? enabled : disabled;
|
||
|
||
fn.namespace = namespace;
|
||
|
||
return fn;
|
||
}
|
||
|
||
/**
|
||
* Enables a debug mode by namespaces. This can include modes
|
||
* separated by a colon and wildcards.
|
||
*
|
||
* @param {String} namespaces
|
||
* @api public
|
||
*/
|
||
|
||
function enable(namespaces) {
|
||
exports.save(namespaces);
|
||
|
||
var split = (namespaces || '').split(/[\s,]+/);
|
||
var len = split.length;
|
||
|
||
for (var i = 0; i < len; i++) {
|
||
if (!split[i]) continue; // ignore empty strings
|
||
namespaces = split[i].replace(/[\\^$+?.()|[\]{}]/g, '\\$&').replace(/\*/g, '.*?');
|
||
if (namespaces[0] === '-') {
|
||
exports.skips.push(new RegExp('^' + namespaces.substr(1) + '$'));
|
||
} else {
|
||
exports.names.push(new RegExp('^' + namespaces + '$'));
|
||
}
|
||
}
|
||
}
|
||
|
||
/**
|
||
* Disable debug output.
|
||
*
|
||
* @api public
|
||
*/
|
||
|
||
function disable() {
|
||
exports.enable('');
|
||
}
|
||
|
||
/**
|
||
* Returns true if the given mode name is enabled, false otherwise.
|
||
*
|
||
* @param {String} name
|
||
* @return {Boolean}
|
||
* @api public
|
||
*/
|
||
|
||
function enabled(name) {
|
||
var i, len;
|
||
for (i = 0, len = exports.skips.length; i < len; i++) {
|
||
if (exports.skips[i].test(name)) {
|
||
return false;
|
||
}
|
||
}
|
||
for (i = 0, len = exports.names.length; i < len; i++) {
|
||
if (exports.names[i].test(name)) {
|
||
return true;
|
||
}
|
||
}
|
||
return false;
|
||
}
|
||
|
||
/**
|
||
* Coerce `val`.
|
||
*
|
||
* @param {Mixed} val
|
||
* @return {Mixed}
|
||
* @api private
|
||
*/
|
||
|
||
function coerce(val) {
|
||
if (val instanceof Error) return val.stack || val.message;
|
||
return val;
|
||
}
|
||
|
||
},{"ms":33}],33:[function(require,module,exports){
|
||
/**
|
||
* Helpers.
|
||
*/
|
||
|
||
var s = 1000
|
||
var m = s * 60
|
||
var h = m * 60
|
||
var d = h * 24
|
||
var y = d * 365.25
|
||
|
||
/**
|
||
* Parse or format the given `val`.
|
||
*
|
||
* Options:
|
||
*
|
||
* - `long` verbose formatting [false]
|
||
*
|
||
* @param {String|Number} val
|
||
* @param {Object} options
|
||
* @throws {Error} throw an error if val is not a non-empty string or a number
|
||
* @return {String|Number}
|
||
* @api public
|
||
*/
|
||
|
||
module.exports = function (val, options) {
|
||
options = options || {}
|
||
var type = typeof val
|
||
if (type === 'string' && val.length > 0) {
|
||
return parse(val)
|
||
} else if (type === 'number' && isNaN(val) === false) {
|
||
return options.long ?
|
||
fmtLong(val) :
|
||
fmtShort(val)
|
||
}
|
||
throw new Error('val is not a non-empty string or a valid number. val=' + JSON.stringify(val))
|
||
}
|
||
|
||
/**
|
||
* Parse the given `str` and return milliseconds.
|
||
*
|
||
* @param {String} str
|
||
* @return {Number}
|
||
* @api private
|
||
*/
|
||
|
||
function parse(str) {
|
||
str = String(str)
|
||
if (str.length > 10000) {
|
||
return
|
||
}
|
||
var match = /^((?:\d+)?\.?\d+) *(milliseconds?|msecs?|ms|seconds?|secs?|s|minutes?|mins?|m|hours?|hrs?|h|days?|d|years?|yrs?|y)?$/i.exec(str)
|
||
if (!match) {
|
||
return
|
||
}
|
||
var n = parseFloat(match[1])
|
||
var type = (match[2] || 'ms').toLowerCase()
|
||
switch (type) {
|
||
case 'years':
|
||
case 'year':
|
||
case 'yrs':
|
||
case 'yr':
|
||
case 'y':
|
||
return n * y
|
||
case 'days':
|
||
case 'day':
|
||
case 'd':
|
||
return n * d
|
||
case 'hours':
|
||
case 'hour':
|
||
case 'hrs':
|
||
case 'hr':
|
||
case 'h':
|
||
return n * h
|
||
case 'minutes':
|
||
case 'minute':
|
||
case 'mins':
|
||
case 'min':
|
||
case 'm':
|
||
return n * m
|
||
case 'seconds':
|
||
case 'second':
|
||
case 'secs':
|
||
case 'sec':
|
||
case 's':
|
||
return n * s
|
||
case 'milliseconds':
|
||
case 'millisecond':
|
||
case 'msecs':
|
||
case 'msec':
|
||
case 'ms':
|
||
return n
|
||
default:
|
||
return undefined
|
||
}
|
||
}
|
||
|
||
/**
|
||
* Short format for `ms`.
|
||
*
|
||
* @param {Number} ms
|
||
* @return {String}
|
||
* @api private
|
||
*/
|
||
|
||
function fmtShort(ms) {
|
||
if (ms >= d) {
|
||
return Math.round(ms / d) + 'd'
|
||
}
|
||
if (ms >= h) {
|
||
return Math.round(ms / h) + 'h'
|
||
}
|
||
if (ms >= m) {
|
||
return Math.round(ms / m) + 'm'
|
||
}
|
||
if (ms >= s) {
|
||
return Math.round(ms / s) + 's'
|
||
}
|
||
return ms + 'ms'
|
||
}
|
||
|
||
/**
|
||
* Long format for `ms`.
|
||
*
|
||
* @param {Number} ms
|
||
* @return {String}
|
||
* @api private
|
||
*/
|
||
|
||
function fmtLong(ms) {
|
||
return plural(ms, d, 'day') ||
|
||
plural(ms, h, 'hour') ||
|
||
plural(ms, m, 'minute') ||
|
||
plural(ms, s, 'second') ||
|
||
ms + ' ms'
|
||
}
|
||
|
||
/**
|
||
* Pluralization helper.
|
||
*/
|
||
|
||
function plural(ms, n, name) {
|
||
if (ms < n) {
|
||
return
|
||
}
|
||
if (ms < n * 1.5) {
|
||
return Math.floor(ms / n) + ' ' + name
|
||
}
|
||
return Math.ceil(ms / n) + ' ' + name + 's'
|
||
}
|
||
|
||
},{}],34:[function(require,module,exports){
|
||
(function (global){
|
||
/**
|
||
* Module dependencies.
|
||
*/
|
||
|
||
var keys = require('./keys');
|
||
var hasBinary = require('has-binary');
|
||
var sliceBuffer = require('arraybuffer.slice');
|
||
var after = require('after');
|
||
var utf8 = require('wtf-8');
|
||
|
||
var base64encoder;
|
||
if (global && global.ArrayBuffer) {
|
||
base64encoder = require('base64-arraybuffer');
|
||
}
|
||
|
||
/**
|
||
* Check if we are running an android browser. That requires us to use
|
||
* ArrayBuffer with polling transports...
|
||
*
|
||
* http://ghinda.net/jpeg-blob-ajax-android/
|
||
*/
|
||
|
||
var isAndroid = typeof navigator !== 'undefined' && /Android/i.test(navigator.userAgent);
|
||
|
||
/**
|
||
* Check if we are running in PhantomJS.
|
||
* Uploading a Blob with PhantomJS does not work correctly, as reported here:
|
||
* https://github.com/ariya/phantomjs/issues/11395
|
||
* @type boolean
|
||
*/
|
||
var isPhantomJS = typeof navigator !== 'undefined' && /PhantomJS/i.test(navigator.userAgent);
|
||
|
||
/**
|
||
* When true, avoids using Blobs to encode payloads.
|
||
* @type boolean
|
||
*/
|
||
var dontSendBlobs = isAndroid || isPhantomJS;
|
||
|
||
/**
|
||
* Current protocol version.
|
||
*/
|
||
|
||
exports.protocol = 3;
|
||
|
||
/**
|
||
* Packet types.
|
||
*/
|
||
|
||
var packets = exports.packets = {
|
||
open: 0 // non-ws
|
||
, close: 1 // non-ws
|
||
, ping: 2
|
||
, pong: 3
|
||
, message: 4
|
||
, upgrade: 5
|
||
, noop: 6
|
||
};
|
||
|
||
var packetslist = keys(packets);
|
||
|
||
/**
|
||
* Premade error packet.
|
||
*/
|
||
|
||
var err = { type: 'error', data: 'parser error' };
|
||
|
||
/**
|
||
* Create a blob api even for blob builder when vendor prefixes exist
|
||
*/
|
||
|
||
var Blob = require('blob');
|
||
|
||
/**
|
||
* Encodes a packet.
|
||
*
|
||
* <packet type id> [ <data> ]
|
||
*
|
||
* Example:
|
||
*
|
||
* 5hello world
|
||
* 3
|
||
* 4
|
||
*
|
||
* Binary is encoded in an identical principle
|
||
*
|
||
* @api private
|
||
*/
|
||
|
||
exports.encodePacket = function (packet, supportsBinary, utf8encode, callback) {
|
||
if ('function' == typeof supportsBinary) {
|
||
callback = supportsBinary;
|
||
supportsBinary = false;
|
||
}
|
||
|
||
if ('function' == typeof utf8encode) {
|
||
callback = utf8encode;
|
||
utf8encode = null;
|
||
}
|
||
|
||
var data = (packet.data === undefined)
|
||
? undefined
|
||
: packet.data.buffer || packet.data;
|
||
|
||
if (global.ArrayBuffer && data instanceof ArrayBuffer) {
|
||
return encodeArrayBuffer(packet, supportsBinary, callback);
|
||
} else if (Blob && data instanceof global.Blob) {
|
||
return encodeBlob(packet, supportsBinary, callback);
|
||
}
|
||
|
||
// might be an object with { base64: true, data: dataAsBase64String }
|
||
if (data && data.base64) {
|
||
return encodeBase64Object(packet, callback);
|
||
}
|
||
|
||
// Sending data as a utf-8 string
|
||
var encoded = packets[packet.type];
|
||
|
||
// data fragment is optional
|
||
if (undefined !== packet.data) {
|
||
encoded += utf8encode ? utf8.encode(String(packet.data)) : String(packet.data);
|
||
}
|
||
|
||
return callback('' + encoded);
|
||
|
||
};
|
||
|
||
function encodeBase64Object(packet, callback) {
|
||
// packet data is an object { base64: true, data: dataAsBase64String }
|
||
var message = 'b' + exports.packets[packet.type] + packet.data.data;
|
||
return callback(message);
|
||
}
|
||
|
||
/**
|
||
* Encode packet helpers for binary types
|
||
*/
|
||
|
||
function encodeArrayBuffer(packet, supportsBinary, callback) {
|
||
if (!supportsBinary) {
|
||
return exports.encodeBase64Packet(packet, callback);
|
||
}
|
||
|
||
var data = packet.data;
|
||
var contentArray = new Uint8Array(data);
|
||
var resultBuffer = new Uint8Array(1 + data.byteLength);
|
||
|
||
resultBuffer[0] = packets[packet.type];
|
||
for (var i = 0; i < contentArray.length; i++) {
|
||
resultBuffer[i+1] = contentArray[i];
|
||
}
|
||
|
||
return callback(resultBuffer.buffer);
|
||
}
|
||
|
||
function encodeBlobAsArrayBuffer(packet, supportsBinary, callback) {
|
||
if (!supportsBinary) {
|
||
return exports.encodeBase64Packet(packet, callback);
|
||
}
|
||
|
||
var fr = new FileReader();
|
||
fr.onload = function() {
|
||
packet.data = fr.result;
|
||
exports.encodePacket(packet, supportsBinary, true, callback);
|
||
};
|
||
return fr.readAsArrayBuffer(packet.data);
|
||
}
|
||
|
||
function encodeBlob(packet, supportsBinary, callback) {
|
||
if (!supportsBinary) {
|
||
return exports.encodeBase64Packet(packet, callback);
|
||
}
|
||
|
||
if (dontSendBlobs) {
|
||
return encodeBlobAsArrayBuffer(packet, supportsBinary, callback);
|
||
}
|
||
|
||
var length = new Uint8Array(1);
|
||
length[0] = packets[packet.type];
|
||
var blob = new Blob([length.buffer, packet.data]);
|
||
|
||
return callback(blob);
|
||
}
|
||
|
||
/**
|
||
* Encodes a packet with binary data in a base64 string
|
||
*
|
||
* @param {Object} packet, has `type` and `data`
|
||
* @return {String} base64 encoded message
|
||
*/
|
||
|
||
exports.encodeBase64Packet = function(packet, callback) {
|
||
var message = 'b' + exports.packets[packet.type];
|
||
if (Blob && packet.data instanceof global.Blob) {
|
||
var fr = new FileReader();
|
||
fr.onload = function() {
|
||
var b64 = fr.result.split(',')[1];
|
||
callback(message + b64);
|
||
};
|
||
return fr.readAsDataURL(packet.data);
|
||
}
|
||
|
||
var b64data;
|
||
try {
|
||
b64data = String.fromCharCode.apply(null, new Uint8Array(packet.data));
|
||
} catch (e) {
|
||
// iPhone Safari doesn't let you apply with typed arrays
|
||
var typed = new Uint8Array(packet.data);
|
||
var basic = new Array(typed.length);
|
||
for (var i = 0; i < typed.length; i++) {
|
||
basic[i] = typed[i];
|
||
}
|
||
b64data = String.fromCharCode.apply(null, basic);
|
||
}
|
||
message += global.btoa(b64data);
|
||
return callback(message);
|
||
};
|
||
|
||
/**
|
||
* Decodes a packet. Changes format to Blob if requested.
|
||
*
|
||
* @return {Object} with `type` and `data` (if any)
|
||
* @api private
|
||
*/
|
||
|
||
exports.decodePacket = function (data, binaryType, utf8decode) {
|
||
if (data === undefined) {
|
||
return err;
|
||
}
|
||
// String data
|
||
if (typeof data == 'string') {
|
||
if (data.charAt(0) == 'b') {
|
||
return exports.decodeBase64Packet(data.substr(1), binaryType);
|
||
}
|
||
|
||
if (utf8decode) {
|
||
data = tryDecode(data);
|
||
if (data === false) {
|
||
return err;
|
||
}
|
||
}
|
||
var type = data.charAt(0);
|
||
|
||
if (Number(type) != type || !packetslist[type]) {
|
||
return err;
|
||
}
|
||
|
||
if (data.length > 1) {
|
||
return { type: packetslist[type], data: data.substring(1) };
|
||
} else {
|
||
return { type: packetslist[type] };
|
||
}
|
||
}
|
||
|
||
var asArray = new Uint8Array(data);
|
||
var type = asArray[0];
|
||
var rest = sliceBuffer(data, 1);
|
||
if (Blob && binaryType === 'blob') {
|
||
rest = new Blob([rest]);
|
||
}
|
||
return { type: packetslist[type], data: rest };
|
||
};
|
||
|
||
function tryDecode(data) {
|
||
try {
|
||
data = utf8.decode(data);
|
||
} catch (e) {
|
||
return false;
|
||
}
|
||
return data;
|
||
}
|
||
|
||
/**
|
||
* Decodes a packet encoded in a base64 string
|
||
*
|
||
* @param {String} base64 encoded message
|
||
* @return {Object} with `type` and `data` (if any)
|
||
*/
|
||
|
||
exports.decodeBase64Packet = function(msg, binaryType) {
|
||
var type = packetslist[msg.charAt(0)];
|
||
if (!base64encoder) {
|
||
return { type: type, data: { base64: true, data: msg.substr(1) } };
|
||
}
|
||
|
||
var data = base64encoder.decode(msg.substr(1));
|
||
|
||
if (binaryType === 'blob' && Blob) {
|
||
data = new Blob([data]);
|
||
}
|
||
|
||
return { type: type, data: data };
|
||
};
|
||
|
||
/**
|
||
* Encodes multiple messages (payload).
|
||
*
|
||
* <length>:data
|
||
*
|
||
* Example:
|
||
*
|
||
* 11:hello world2:hi
|
||
*
|
||
* If any contents are binary, they will be encoded as base64 strings. Base64
|
||
* encoded strings are marked with a b before the length specifier
|
||
*
|
||
* @param {Array} packets
|
||
* @api private
|
||
*/
|
||
|
||
exports.encodePayload = function (packets, supportsBinary, callback) {
|
||
if (typeof supportsBinary == 'function') {
|
||
callback = supportsBinary;
|
||
supportsBinary = null;
|
||
}
|
||
|
||
var isBinary = hasBinary(packets);
|
||
|
||
if (supportsBinary && isBinary) {
|
||
if (Blob && !dontSendBlobs) {
|
||
return exports.encodePayloadAsBlob(packets, callback);
|
||
}
|
||
|
||
return exports.encodePayloadAsArrayBuffer(packets, callback);
|
||
}
|
||
|
||
if (!packets.length) {
|
||
return callback('0:');
|
||
}
|
||
|
||
function setLengthHeader(message) {
|
||
return message.length + ':' + message;
|
||
}
|
||
|
||
function encodeOne(packet, doneCallback) {
|
||
exports.encodePacket(packet, !isBinary ? false : supportsBinary, true, function(message) {
|
||
doneCallback(null, setLengthHeader(message));
|
||
});
|
||
}
|
||
|
||
map(packets, encodeOne, function(err, results) {
|
||
return callback(results.join(''));
|
||
});
|
||
};
|
||
|
||
/**
|
||
* Async array map using after
|
||
*/
|
||
|
||
function map(ary, each, done) {
|
||
var result = new Array(ary.length);
|
||
var next = after(ary.length, done);
|
||
|
||
var eachWithIndex = function(i, el, cb) {
|
||
each(el, function(error, msg) {
|
||
result[i] = msg;
|
||
cb(error, result);
|
||
});
|
||
};
|
||
|
||
for (var i = 0; i < ary.length; i++) {
|
||
eachWithIndex(i, ary[i], next);
|
||
}
|
||
}
|
||
|
||
/*
|
||
* Decodes data when a payload is maybe expected. Possible binary contents are
|
||
* decoded from their base64 representation
|
||
*
|
||
* @param {String} data, callback method
|
||
* @api public
|
||
*/
|
||
|
||
exports.decodePayload = function (data, binaryType, callback) {
|
||
if (typeof data != 'string') {
|
||
return exports.decodePayloadAsBinary(data, binaryType, callback);
|
||
}
|
||
|
||
if (typeof binaryType === 'function') {
|
||
callback = binaryType;
|
||
binaryType = null;
|
||
}
|
||
|
||
var packet;
|
||
if (data == '') {
|
||
// parser error - ignoring payload
|
||
return callback(err, 0, 1);
|
||
}
|
||
|
||
var length = ''
|
||
, n, msg;
|
||
|
||
for (var i = 0, l = data.length; i < l; i++) {
|
||
var chr = data.charAt(i);
|
||
|
||
if (':' != chr) {
|
||
length += chr;
|
||
} else {
|
||
if ('' == length || (length != (n = Number(length)))) {
|
||
// parser error - ignoring payload
|
||
return callback(err, 0, 1);
|
||
}
|
||
|
||
msg = data.substr(i + 1, n);
|
||
|
||
if (length != msg.length) {
|
||
// parser error - ignoring payload
|
||
return callback(err, 0, 1);
|
||
}
|
||
|
||
if (msg.length) {
|
||
packet = exports.decodePacket(msg, binaryType, true);
|
||
|
||
if (err.type == packet.type && err.data == packet.data) {
|
||
// parser error in individual packet - ignoring payload
|
||
return callback(err, 0, 1);
|
||
}
|
||
|
||
var ret = callback(packet, i + n, l);
|
||
if (false === ret) return;
|
||
}
|
||
|
||
// advance cursor
|
||
i += n;
|
||
length = '';
|
||
}
|
||
}
|
||
|
||
if (length != '') {
|
||
// parser error - ignoring payload
|
||
return callback(err, 0, 1);
|
||
}
|
||
|
||
};
|
||
|
||
/**
|
||
* Encodes multiple messages (payload) as binary.
|
||
*
|
||
* <1 = binary, 0 = string><number from 0-9><number from 0-9>[...]<number
|
||
* 255><data>
|
||
*
|
||
* Example:
|
||
* 1 3 255 1 2 3, if the binary contents are interpreted as 8 bit integers
|
||
*
|
||
* @param {Array} packets
|
||
* @return {ArrayBuffer} encoded payload
|
||
* @api private
|
||
*/
|
||
|
||
exports.encodePayloadAsArrayBuffer = function(packets, callback) {
|
||
if (!packets.length) {
|
||
return callback(new ArrayBuffer(0));
|
||
}
|
||
|
||
function encodeOne(packet, doneCallback) {
|
||
exports.encodePacket(packet, true, true, function(data) {
|
||
return doneCallback(null, data);
|
||
});
|
||
}
|
||
|
||
map(packets, encodeOne, function(err, encodedPackets) {
|
||
var totalLength = encodedPackets.reduce(function(acc, p) {
|
||
var len;
|
||
if (typeof p === 'string'){
|
||
len = p.length;
|
||
} else {
|
||
len = p.byteLength;
|
||
}
|
||
return acc + len.toString().length + len + 2; // string/binary identifier + separator = 2
|
||
}, 0);
|
||
|
||
var resultArray = new Uint8Array(totalLength);
|
||
|
||
var bufferIndex = 0;
|
||
encodedPackets.forEach(function(p) {
|
||
var isString = typeof p === 'string';
|
||
var ab = p;
|
||
if (isString) {
|
||
var view = new Uint8Array(p.length);
|
||
for (var i = 0; i < p.length; i++) {
|
||
view[i] = p.charCodeAt(i);
|
||
}
|
||
ab = view.buffer;
|
||
}
|
||
|
||
if (isString) { // not true binary
|
||
resultArray[bufferIndex++] = 0;
|
||
} else { // true binary
|
||
resultArray[bufferIndex++] = 1;
|
||
}
|
||
|
||
var lenStr = ab.byteLength.toString();
|
||
for (var i = 0; i < lenStr.length; i++) {
|
||
resultArray[bufferIndex++] = parseInt(lenStr[i]);
|
||
}
|
||
resultArray[bufferIndex++] = 255;
|
||
|
||
var view = new Uint8Array(ab);
|
||
for (var i = 0; i < view.length; i++) {
|
||
resultArray[bufferIndex++] = view[i];
|
||
}
|
||
});
|
||
|
||
return callback(resultArray.buffer);
|
||
});
|
||
};
|
||
|
||
/**
|
||
* Encode as Blob
|
||
*/
|
||
|
||
exports.encodePayloadAsBlob = function(packets, callback) {
|
||
function encodeOne(packet, doneCallback) {
|
||
exports.encodePacket(packet, true, true, function(encoded) {
|
||
var binaryIdentifier = new Uint8Array(1);
|
||
binaryIdentifier[0] = 1;
|
||
if (typeof encoded === 'string') {
|
||
var view = new Uint8Array(encoded.length);
|
||
for (var i = 0; i < encoded.length; i++) {
|
||
view[i] = encoded.charCodeAt(i);
|
||
}
|
||
encoded = view.buffer;
|
||
binaryIdentifier[0] = 0;
|
||
}
|
||
|
||
var len = (encoded instanceof ArrayBuffer)
|
||
? encoded.byteLength
|
||
: encoded.size;
|
||
|
||
var lenStr = len.toString();
|
||
var lengthAry = new Uint8Array(lenStr.length + 1);
|
||
for (var i = 0; i < lenStr.length; i++) {
|
||
lengthAry[i] = parseInt(lenStr[i]);
|
||
}
|
||
lengthAry[lenStr.length] = 255;
|
||
|
||
if (Blob) {
|
||
var blob = new Blob([binaryIdentifier.buffer, lengthAry.buffer, encoded]);
|
||
doneCallback(null, blob);
|
||
}
|
||
});
|
||
}
|
||
|
||
map(packets, encodeOne, function(err, results) {
|
||
return callback(new Blob(results));
|
||
});
|
||
};
|
||
|
||
/*
|
||
* Decodes data when a payload is maybe expected. Strings are decoded by
|
||
* interpreting each byte as a key code for entries marked to start with 0. See
|
||
* description of encodePayloadAsBinary
|
||
*
|
||
* @param {ArrayBuffer} data, callback method
|
||
* @api public
|
||
*/
|
||
|
||
exports.decodePayloadAsBinary = function (data, binaryType, callback) {
|
||
if (typeof binaryType === 'function') {
|
||
callback = binaryType;
|
||
binaryType = null;
|
||
}
|
||
|
||
var bufferTail = data;
|
||
var buffers = [];
|
||
|
||
var numberTooLong = false;
|
||
while (bufferTail.byteLength > 0) {
|
||
var tailArray = new Uint8Array(bufferTail);
|
||
var isString = tailArray[0] === 0;
|
||
var msgLength = '';
|
||
|
||
for (var i = 1; ; i++) {
|
||
if (tailArray[i] == 255) break;
|
||
|
||
if (msgLength.length > 310) {
|
||
numberTooLong = true;
|
||
break;
|
||
}
|
||
|
||
msgLength += tailArray[i];
|
||
}
|
||
|
||
if(numberTooLong) return callback(err, 0, 1);
|
||
|
||
bufferTail = sliceBuffer(bufferTail, 2 + msgLength.length);
|
||
msgLength = parseInt(msgLength);
|
||
|
||
var msg = sliceBuffer(bufferTail, 0, msgLength);
|
||
if (isString) {
|
||
try {
|
||
msg = String.fromCharCode.apply(null, new Uint8Array(msg));
|
||
} catch (e) {
|
||
// iPhone Safari doesn't let you apply to typed arrays
|
||
var typed = new Uint8Array(msg);
|
||
msg = '';
|
||
for (var i = 0; i < typed.length; i++) {
|
||
msg += String.fromCharCode(typed[i]);
|
||
}
|
||
}
|
||
}
|
||
|
||
buffers.push(msg);
|
||
bufferTail = sliceBuffer(bufferTail, msgLength);
|
||
}
|
||
|
||
var total = buffers.length;
|
||
buffers.forEach(function(buffer, i) {
|
||
callback(exports.decodePacket(buffer, binaryType, true), i, total);
|
||
});
|
||
};
|
||
|
||
}).call(this,typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
|
||
},{"./keys":35,"after":12,"arraybuffer.slice":13,"base64-arraybuffer":15,"blob":16,"has-binary":36,"wtf-8":60}],35:[function(require,module,exports){
|
||
|
||
/**
|
||
* Gets the keys for an object.
|
||
*
|
||
* @return {Array} keys
|
||
* @api private
|
||
*/
|
||
|
||
module.exports = Object.keys || function keys (obj){
|
||
var arr = [];
|
||
var has = Object.prototype.hasOwnProperty;
|
||
|
||
for (var i in obj) {
|
||
if (has.call(obj, i)) {
|
||
arr.push(i);
|
||
}
|
||
}
|
||
return arr;
|
||
};
|
||
|
||
},{}],36:[function(require,module,exports){
|
||
(function (global){
|
||
|
||
/*
|
||
* Module requirements.
|
||
*/
|
||
|
||
var isArray = require('isarray');
|
||
|
||
/**
|
||
* Module exports.
|
||
*/
|
||
|
||
module.exports = hasBinary;
|
||
|
||
/**
|
||
* Checks for binary data.
|
||
*
|
||
* Right now only Buffer and ArrayBuffer are supported..
|
||
*
|
||
* @param {Object} anything
|
||
* @api public
|
||
*/
|
||
|
||
function hasBinary(data) {
|
||
|
||
function _hasBinary(obj) {
|
||
if (!obj) return false;
|
||
|
||
if ( (global.Buffer && global.Buffer.isBuffer && global.Buffer.isBuffer(obj)) ||
|
||
(global.ArrayBuffer && obj instanceof ArrayBuffer) ||
|
||
(global.Blob && obj instanceof Blob) ||
|
||
(global.File && obj instanceof File)
|
||
) {
|
||
return true;
|
||
}
|
||
|
||
if (isArray(obj)) {
|
||
for (var i = 0; i < obj.length; i++) {
|
||
if (_hasBinary(obj[i])) {
|
||
return true;
|
||
}
|
||
}
|
||
} else if (obj && 'object' == typeof obj) {
|
||
// see: https://github.com/Automattic/has-binary/pull/4
|
||
if (obj.toJSON && 'function' == typeof obj.toJSON) {
|
||
obj = obj.toJSON();
|
||
}
|
||
|
||
for (var key in obj) {
|
||
if (Object.prototype.hasOwnProperty.call(obj, key) && _hasBinary(obj[key])) {
|
||
return true;
|
||
}
|
||
}
|
||
}
|
||
|
||
return false;
|
||
}
|
||
|
||
return _hasBinary(data);
|
||
}
|
||
|
||
}).call(this,typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
|
||
},{"isarray":39}],37:[function(require,module,exports){
|
||
|
||
/**
|
||
* Module exports.
|
||
*
|
||
* Logic borrowed from Modernizr:
|
||
*
|
||
* - https://github.com/Modernizr/Modernizr/blob/master/feature-detects/cors.js
|
||
*/
|
||
|
||
try {
|
||
module.exports = typeof XMLHttpRequest !== 'undefined' &&
|
||
'withCredentials' in new XMLHttpRequest();
|
||
} catch (err) {
|
||
// if XMLHttp support is disabled in IE then it will throw
|
||
// when trying to create
|
||
module.exports = false;
|
||
}
|
||
|
||
},{}],38:[function(require,module,exports){
|
||
|
||
var indexOf = [].indexOf;
|
||
|
||
module.exports = function(arr, obj){
|
||
if (indexOf) return arr.indexOf(obj);
|
||
for (var i = 0; i < arr.length; ++i) {
|
||
if (arr[i] === obj) return i;
|
||
}
|
||
return -1;
|
||
};
|
||
},{}],39:[function(require,module,exports){
|
||
module.exports = Array.isArray || function (arr) {
|
||
return Object.prototype.toString.call(arr) == '[object Array]';
|
||
};
|
||
|
||
},{}],40:[function(require,module,exports){
|
||
(function (global){
|
||
/*! JSON v3.3.2 | http://bestiejs.github.io/json3 | Copyright 2012-2014, Kit Cambridge | http://kit.mit-license.org */
|
||
;(function () {
|
||
// Detect the `define` function exposed by asynchronous module loaders. The
|
||
// strict `define` check is necessary for compatibility with `r.js`.
|
||
var isLoader = typeof define === "function" && define.amd;
|
||
|
||
// A set of types used to distinguish objects from primitives.
|
||
var objectTypes = {
|
||
"function": true,
|
||
"object": true
|
||
};
|
||
|
||
// Detect the `exports` object exposed by CommonJS implementations.
|
||
var freeExports = objectTypes[typeof exports] && exports && !exports.nodeType && exports;
|
||
|
||
// Use the `global` object exposed by Node (including Browserify via
|
||
// `insert-module-globals`), Narwhal, and Ringo as the default context,
|
||
// and the `window` object in browsers. Rhino exports a `global` function
|
||
// instead.
|
||
var root = objectTypes[typeof window] && window || this,
|
||
freeGlobal = freeExports && objectTypes[typeof module] && module && !module.nodeType && typeof global == "object" && global;
|
||
|
||
if (freeGlobal && (freeGlobal["global"] === freeGlobal || freeGlobal["window"] === freeGlobal || freeGlobal["self"] === freeGlobal)) {
|
||
root = freeGlobal;
|
||
}
|
||
|
||
// Public: Initializes JSON 3 using the given `context` object, attaching the
|
||
// `stringify` and `parse` functions to the specified `exports` object.
|
||
function runInContext(context, exports) {
|
||
context || (context = root["Object"]());
|
||
exports || (exports = root["Object"]());
|
||
|
||
// Native constructor aliases.
|
||
var Number = context["Number"] || root["Number"],
|
||
String = context["String"] || root["String"],
|
||
Object = context["Object"] || root["Object"],
|
||
Date = context["Date"] || root["Date"],
|
||
SyntaxError = context["SyntaxError"] || root["SyntaxError"],
|
||
TypeError = context["TypeError"] || root["TypeError"],
|
||
Math = context["Math"] || root["Math"],
|
||
nativeJSON = context["JSON"] || root["JSON"];
|
||
|
||
// Delegate to the native `stringify` and `parse` implementations.
|
||
if (typeof nativeJSON == "object" && nativeJSON) {
|
||
exports.stringify = nativeJSON.stringify;
|
||
exports.parse = nativeJSON.parse;
|
||
}
|
||
|
||
// Convenience aliases.
|
||
var objectProto = Object.prototype,
|
||
getClass = objectProto.toString,
|
||
isProperty, forEach, undef;
|
||
|
||
// Test the `Date#getUTC*` methods. Based on work by @Yaffle.
|
||
var isExtended = new Date(-3509827334573292);
|
||
try {
|
||
// The `getUTCFullYear`, `Month`, and `Date` methods return nonsensical
|
||
// results for certain dates in Opera >= 10.53.
|
||
isExtended = isExtended.getUTCFullYear() == -109252 && isExtended.getUTCMonth() === 0 && isExtended.getUTCDate() === 1 &&
|
||
// Safari < 2.0.2 stores the internal millisecond time value correctly,
|
||
// but clips the values returned by the date methods to the range of
|
||
// signed 32-bit integers ([-2 ** 31, 2 ** 31 - 1]).
|
||
isExtended.getUTCHours() == 10 && isExtended.getUTCMinutes() == 37 && isExtended.getUTCSeconds() == 6 && isExtended.getUTCMilliseconds() == 708;
|
||
} catch (exception) {}
|
||
|
||
// Internal: Determines whether the native `JSON.stringify` and `parse`
|
||
// implementations are spec-compliant. Based on work by Ken Snyder.
|
||
function has(name) {
|
||
if (has[name] !== undef) {
|
||
// Return cached feature test result.
|
||
return has[name];
|
||
}
|
||
var isSupported;
|
||
if (name == "bug-string-char-index") {
|
||
// IE <= 7 doesn't support accessing string characters using square
|
||
// bracket notation. IE 8 only supports this for primitives.
|
||
isSupported = "a"[0] != "a";
|
||
} else if (name == "json") {
|
||
// Indicates whether both `JSON.stringify` and `JSON.parse` are
|
||
// supported.
|
||
isSupported = has("json-stringify") && has("json-parse");
|
||
} else {
|
||
var value, serialized = '{"a":[1,true,false,null,"\\u0000\\b\\n\\f\\r\\t"]}';
|
||
// Test `JSON.stringify`.
|
||
if (name == "json-stringify") {
|
||
var stringify = exports.stringify, stringifySupported = typeof stringify == "function" && isExtended;
|
||
if (stringifySupported) {
|
||
// A test function object with a custom `toJSON` method.
|
||
(value = function () {
|
||
return 1;
|
||
}).toJSON = value;
|
||
try {
|
||
stringifySupported =
|
||
// Firefox 3.1b1 and b2 serialize string, number, and boolean
|
||
// primitives as object literals.
|
||
stringify(0) === "0" &&
|
||
// FF 3.1b1, b2, and JSON 2 serialize wrapped primitives as object
|
||
// literals.
|
||
stringify(new Number()) === "0" &&
|
||
stringify(new String()) == '""' &&
|
||
// FF 3.1b1, 2 throw an error if the value is `null`, `undefined`, or
|
||
// does not define a canonical JSON representation (this applies to
|
||
// objects with `toJSON` properties as well, *unless* they are nested
|
||
// within an object or array).
|
||
stringify(getClass) === undef &&
|
||
// IE 8 serializes `undefined` as `"undefined"`. Safari <= 5.1.7 and
|
||
// FF 3.1b3 pass this test.
|
||
stringify(undef) === undef &&
|
||
// Safari <= 5.1.7 and FF 3.1b3 throw `Error`s and `TypeError`s,
|
||
// respectively, if the value is omitted entirely.
|
||
stringify() === undef &&
|
||
// FF 3.1b1, 2 throw an error if the given value is not a number,
|
||
// string, array, object, Boolean, or `null` literal. This applies to
|
||
// objects with custom `toJSON` methods as well, unless they are nested
|
||
// inside object or array literals. YUI 3.0.0b1 ignores custom `toJSON`
|
||
// methods entirely.
|
||
stringify(value) === "1" &&
|
||
stringify([value]) == "[1]" &&
|
||
// Prototype <= 1.6.1 serializes `[undefined]` as `"[]"` instead of
|
||
// `"[null]"`.
|
||
stringify([undef]) == "[null]" &&
|
||
// YUI 3.0.0b1 fails to serialize `null` literals.
|
||
stringify(null) == "null" &&
|
||
// FF 3.1b1, 2 halts serialization if an array contains a function:
|
||
// `[1, true, getClass, 1]` serializes as "[1,true,],". FF 3.1b3
|
||
// elides non-JSON values from objects and arrays, unless they
|
||
// define custom `toJSON` methods.
|
||
stringify([undef, getClass, null]) == "[null,null,null]" &&
|
||
// Simple serialization test. FF 3.1b1 uses Unicode escape sequences
|
||
// where character escape codes are expected (e.g., `\b` => `\u0008`).
|
||
stringify({ "a": [value, true, false, null, "\x00\b\n\f\r\t"] }) == serialized &&
|
||
// FF 3.1b1 and b2 ignore the `filter` and `width` arguments.
|
||
stringify(null, value) === "1" &&
|
||
stringify([1, 2], null, 1) == "[\n 1,\n 2\n]" &&
|
||
// JSON 2, Prototype <= 1.7, and older WebKit builds incorrectly
|
||
// serialize extended years.
|
||
stringify(new Date(-8.64e15)) == '"-271821-04-20T00:00:00.000Z"' &&
|
||
// The milliseconds are optional in ES 5, but required in 5.1.
|
||
stringify(new Date(8.64e15)) == '"+275760-09-13T00:00:00.000Z"' &&
|
||
// Firefox <= 11.0 incorrectly serializes years prior to 0 as negative
|
||
// four-digit years instead of six-digit years. Credits: @Yaffle.
|
||
stringify(new Date(-621987552e5)) == '"-000001-01-01T00:00:00.000Z"' &&
|
||
// Safari <= 5.1.5 and Opera >= 10.53 incorrectly serialize millisecond
|
||
// values less than 1000. Credits: @Yaffle.
|
||
stringify(new Date(-1)) == '"1969-12-31T23:59:59.999Z"';
|
||
} catch (exception) {
|
||
stringifySupported = false;
|
||
}
|
||
}
|
||
isSupported = stringifySupported;
|
||
}
|
||
// Test `JSON.parse`.
|
||
if (name == "json-parse") {
|
||
var parse = exports.parse;
|
||
if (typeof parse == "function") {
|
||
try {
|
||
// FF 3.1b1, b2 will throw an exception if a bare literal is provided.
|
||
// Conforming implementations should also coerce the initial argument to
|
||
// a string prior to parsing.
|
||
if (parse("0") === 0 && !parse(false)) {
|
||
// Simple parsing test.
|
||
value = parse(serialized);
|
||
var parseSupported = value["a"].length == 5 && value["a"][0] === 1;
|
||
if (parseSupported) {
|
||
try {
|
||
// Safari <= 5.1.2 and FF 3.1b1 allow unescaped tabs in strings.
|
||
parseSupported = !parse('"\t"');
|
||
} catch (exception) {}
|
||
if (parseSupported) {
|
||
try {
|
||
// FF 4.0 and 4.0.1 allow leading `+` signs and leading
|
||
// decimal points. FF 4.0, 4.0.1, and IE 9-10 also allow
|
||
// certain octal literals.
|
||
parseSupported = parse("01") !== 1;
|
||
} catch (exception) {}
|
||
}
|
||
if (parseSupported) {
|
||
try {
|
||
// FF 4.0, 4.0.1, and Rhino 1.7R3-R4 allow trailing decimal
|
||
// points. These environments, along with FF 3.1b1 and 2,
|
||
// also allow trailing commas in JSON objects and arrays.
|
||
parseSupported = parse("1.") !== 1;
|
||
} catch (exception) {}
|
||
}
|
||
}
|
||
}
|
||
} catch (exception) {
|
||
parseSupported = false;
|
||
}
|
||
}
|
||
isSupported = parseSupported;
|
||
}
|
||
}
|
||
return has[name] = !!isSupported;
|
||
}
|
||
|
||
if (!has("json")) {
|
||
// Common `[[Class]]` name aliases.
|
||
var functionClass = "[object Function]",
|
||
dateClass = "[object Date]",
|
||
numberClass = "[object Number]",
|
||
stringClass = "[object String]",
|
||
arrayClass = "[object Array]",
|
||
booleanClass = "[object Boolean]";
|
||
|
||
// Detect incomplete support for accessing string characters by index.
|
||
var charIndexBuggy = has("bug-string-char-index");
|
||
|
||
// Define additional utility methods if the `Date` methods are buggy.
|
||
if (!isExtended) {
|
||
var floor = Math.floor;
|
||
// A mapping between the months of the year and the number of days between
|
||
// January 1st and the first of the respective month.
|
||
var Months = [0, 31, 59, 90, 120, 151, 181, 212, 243, 273, 304, 334];
|
||
// Internal: Calculates the number of days between the Unix epoch and the
|
||
// first day of the given month.
|
||
var getDay = function (year, month) {
|
||
return Months[month] + 365 * (year - 1970) + floor((year - 1969 + (month = +(month > 1))) / 4) - floor((year - 1901 + month) / 100) + floor((year - 1601 + month) / 400);
|
||
};
|
||
}
|
||
|
||
// Internal: Determines if a property is a direct property of the given
|
||
// object. Delegates to the native `Object#hasOwnProperty` method.
|
||
if (!(isProperty = objectProto.hasOwnProperty)) {
|
||
isProperty = function (property) {
|
||
var members = {}, constructor;
|
||
if ((members.__proto__ = null, members.__proto__ = {
|
||
// The *proto* property cannot be set multiple times in recent
|
||
// versions of Firefox and SeaMonkey.
|
||
"toString": 1
|
||
}, members).toString != getClass) {
|
||
// Safari <= 2.0.3 doesn't implement `Object#hasOwnProperty`, but
|
||
// supports the mutable *proto* property.
|
||
isProperty = function (property) {
|
||
// Capture and break the object's prototype chain (see section 8.6.2
|
||
// of the ES 5.1 spec). The parenthesized expression prevents an
|
||
// unsafe transformation by the Closure Compiler.
|
||
var original = this.__proto__, result = property in (this.__proto__ = null, this);
|
||
// Restore the original prototype chain.
|
||
this.__proto__ = original;
|
||
return result;
|
||
};
|
||
} else {
|
||
// Capture a reference to the top-level `Object` constructor.
|
||
constructor = members.constructor;
|
||
// Use the `constructor` property to simulate `Object#hasOwnProperty` in
|
||
// other environments.
|
||
isProperty = function (property) {
|
||
var parent = (this.constructor || constructor).prototype;
|
||
return property in this && !(property in parent && this[property] === parent[property]);
|
||
};
|
||
}
|
||
members = null;
|
||
return isProperty.call(this, property);
|
||
};
|
||
}
|
||
|
||
// Internal: Normalizes the `for...in` iteration algorithm across
|
||
// environments. Each enumerated key is yielded to a `callback` function.
|
||
forEach = function (object, callback) {
|
||
var size = 0, Properties, members, property;
|
||
|
||
// Tests for bugs in the current environment's `for...in` algorithm. The
|
||
// `valueOf` property inherits the non-enumerable flag from
|
||
// `Object.prototype` in older versions of IE, Netscape, and Mozilla.
|
||
(Properties = function () {
|
||
this.valueOf = 0;
|
||
}).prototype.valueOf = 0;
|
||
|
||
// Iterate over a new instance of the `Properties` class.
|
||
members = new Properties();
|
||
for (property in members) {
|
||
// Ignore all properties inherited from `Object.prototype`.
|
||
if (isProperty.call(members, property)) {
|
||
size++;
|
||
}
|
||
}
|
||
Properties = members = null;
|
||
|
||
// Normalize the iteration algorithm.
|
||
if (!size) {
|
||
// A list of non-enumerable properties inherited from `Object.prototype`.
|
||
members = ["valueOf", "toString", "toLocaleString", "propertyIsEnumerable", "isPrototypeOf", "hasOwnProperty", "constructor"];
|
||
// IE <= 8, Mozilla 1.0, and Netscape 6.2 ignore shadowed non-enumerable
|
||
// properties.
|
||
forEach = function (object, callback) {
|
||
var isFunction = getClass.call(object) == functionClass, property, length;
|
||
var hasProperty = !isFunction && typeof object.constructor != "function" && objectTypes[typeof object.hasOwnProperty] && object.hasOwnProperty || isProperty;
|
||
for (property in object) {
|
||
// Gecko <= 1.0 enumerates the `prototype` property of functions under
|
||
// certain conditions; IE does not.
|
||
if (!(isFunction && property == "prototype") && hasProperty.call(object, property)) {
|
||
callback(property);
|
||
}
|
||
}
|
||
// Manually invoke the callback for each non-enumerable property.
|
||
for (length = members.length; property = members[--length]; hasProperty.call(object, property) && callback(property));
|
||
};
|
||
} else if (size == 2) {
|
||
// Safari <= 2.0.4 enumerates shadowed properties twice.
|
||
forEach = function (object, callback) {
|
||
// Create a set of iterated properties.
|
||
var members = {}, isFunction = getClass.call(object) == functionClass, property;
|
||
for (property in object) {
|
||
// Store each property name to prevent double enumeration. The
|
||
// `prototype` property of functions is not enumerated due to cross-
|
||
// environment inconsistencies.
|
||
if (!(isFunction && property == "prototype") && !isProperty.call(members, property) && (members[property] = 1) && isProperty.call(object, property)) {
|
||
callback(property);
|
||
}
|
||
}
|
||
};
|
||
} else {
|
||
// No bugs detected; use the standard `for...in` algorithm.
|
||
forEach = function (object, callback) {
|
||
var isFunction = getClass.call(object) == functionClass, property, isConstructor;
|
||
for (property in object) {
|
||
if (!(isFunction && property == "prototype") && isProperty.call(object, property) && !(isConstructor = property === "constructor")) {
|
||
callback(property);
|
||
}
|
||
}
|
||
// Manually invoke the callback for the `constructor` property due to
|
||
// cross-environment inconsistencies.
|
||
if (isConstructor || isProperty.call(object, (property = "constructor"))) {
|
||
callback(property);
|
||
}
|
||
};
|
||
}
|
||
return forEach(object, callback);
|
||
};
|
||
|
||
// Public: Serializes a JavaScript `value` as a JSON string. The optional
|
||
// `filter` argument may specify either a function that alters how object and
|
||
// array members are serialized, or an array of strings and numbers that
|
||
// indicates which properties should be serialized. The optional `width`
|
||
// argument may be either a string or number that specifies the indentation
|
||
// level of the output.
|
||
if (!has("json-stringify")) {
|
||
// Internal: A map of control characters and their escaped equivalents.
|
||
var Escapes = {
|
||
92: "\\\\",
|
||
34: '\\"',
|
||
8: "\\b",
|
||
12: "\\f",
|
||
10: "\\n",
|
||
13: "\\r",
|
||
9: "\\t"
|
||
};
|
||
|
||
// Internal: Converts `value` into a zero-padded string such that its
|
||
// length is at least equal to `width`. The `width` must be <= 6.
|
||
var leadingZeroes = "000000";
|
||
var toPaddedString = function (width, value) {
|
||
// The `|| 0` expression is necessary to work around a bug in
|
||
// Opera <= 7.54u2 where `0 == -0`, but `String(-0) !== "0"`.
|
||
return (leadingZeroes + (value || 0)).slice(-width);
|
||
};
|
||
|
||
// Internal: Double-quotes a string `value`, replacing all ASCII control
|
||
// characters (characters with code unit values between 0 and 31) with
|
||
// their escaped equivalents. This is an implementation of the
|
||
// `Quote(value)` operation defined in ES 5.1 section 15.12.3.
|
||
var unicodePrefix = "\\u00";
|
||
var quote = function (value) {
|
||
var result = '"', index = 0, length = value.length, useCharIndex = !charIndexBuggy || length > 10;
|
||
var symbols = useCharIndex && (charIndexBuggy ? value.split("") : value);
|
||
for (; index < length; index++) {
|
||
var charCode = value.charCodeAt(index);
|
||
// If the character is a control character, append its Unicode or
|
||
// shorthand escape sequence; otherwise, append the character as-is.
|
||
switch (charCode) {
|
||
case 8: case 9: case 10: case 12: case 13: case 34: case 92:
|
||
result += Escapes[charCode];
|
||
break;
|
||
default:
|
||
if (charCode < 32) {
|
||
result += unicodePrefix + toPaddedString(2, charCode.toString(16));
|
||
break;
|
||
}
|
||
result += useCharIndex ? symbols[index] : value.charAt(index);
|
||
}
|
||
}
|
||
return result + '"';
|
||
};
|
||
|
||
// Internal: Recursively serializes an object. Implements the
|
||
// `Str(key, holder)`, `JO(value)`, and `JA(value)` operations.
|
||
var serialize = function (property, object, callback, properties, whitespace, indentation, stack) {
|
||
var value, className, year, month, date, time, hours, minutes, seconds, milliseconds, results, element, index, length, prefix, result;
|
||
try {
|
||
// Necessary for host object support.
|
||
value = object[property];
|
||
} catch (exception) {}
|
||
if (typeof value == "object" && value) {
|
||
className = getClass.call(value);
|
||
if (className == dateClass && !isProperty.call(value, "toJSON")) {
|
||
if (value > -1 / 0 && value < 1 / 0) {
|
||
// Dates are serialized according to the `Date#toJSON` method
|
||
// specified in ES 5.1 section 15.9.5.44. See section 15.9.1.15
|
||
// for the ISO 8601 date time string format.
|
||
if (getDay) {
|
||
// Manually compute the year, month, date, hours, minutes,
|
||
// seconds, and milliseconds if the `getUTC*` methods are
|
||
// buggy. Adapted from @Yaffle's `date-shim` project.
|
||
date = floor(value / 864e5);
|
||
for (year = floor(date / 365.2425) + 1970 - 1; getDay(year + 1, 0) <= date; year++);
|
||
for (month = floor((date - getDay(year, 0)) / 30.42); getDay(year, month + 1) <= date; month++);
|
||
date = 1 + date - getDay(year, month);
|
||
// The `time` value specifies the time within the day (see ES
|
||
// 5.1 section 15.9.1.2). The formula `(A % B + B) % B` is used
|
||
// to compute `A modulo B`, as the `%` operator does not
|
||
// correspond to the `modulo` operation for negative numbers.
|
||
time = (value % 864e5 + 864e5) % 864e5;
|
||
// The hours, minutes, seconds, and milliseconds are obtained by
|
||
// decomposing the time within the day. See section 15.9.1.10.
|
||
hours = floor(time / 36e5) % 24;
|
||
minutes = floor(time / 6e4) % 60;
|
||
seconds = floor(time / 1e3) % 60;
|
||
milliseconds = time % 1e3;
|
||
} else {
|
||
year = value.getUTCFullYear();
|
||
month = value.getUTCMonth();
|
||
date = value.getUTCDate();
|
||
hours = value.getUTCHours();
|
||
minutes = value.getUTCMinutes();
|
||
seconds = value.getUTCSeconds();
|
||
milliseconds = value.getUTCMilliseconds();
|
||
}
|
||
// Serialize extended years correctly.
|
||
value = (year <= 0 || year >= 1e4 ? (year < 0 ? "-" : "+") + toPaddedString(6, year < 0 ? -year : year) : toPaddedString(4, year)) +
|
||
"-" + toPaddedString(2, month + 1) + "-" + toPaddedString(2, date) +
|
||
// Months, dates, hours, minutes, and seconds should have two
|
||
// digits; milliseconds should have three.
|
||
"T" + toPaddedString(2, hours) + ":" + toPaddedString(2, minutes) + ":" + toPaddedString(2, seconds) +
|
||
// Milliseconds are optional in ES 5.0, but required in 5.1.
|
||
"." + toPaddedString(3, milliseconds) + "Z";
|
||
} else {
|
||
value = null;
|
||
}
|
||
} else if (typeof value.toJSON == "function" && ((className != numberClass && className != stringClass && className != arrayClass) || isProperty.call(value, "toJSON"))) {
|
||
// Prototype <= 1.6.1 adds non-standard `toJSON` methods to the
|
||
// `Number`, `String`, `Date`, and `Array` prototypes. JSON 3
|
||
// ignores all `toJSON` methods on these objects unless they are
|
||
// defined directly on an instance.
|
||
value = value.toJSON(property);
|
||
}
|
||
}
|
||
if (callback) {
|
||
// If a replacement function was provided, call it to obtain the value
|
||
// for serialization.
|
||
value = callback.call(object, property, value);
|
||
}
|
||
if (value === null) {
|
||
return "null";
|
||
}
|
||
className = getClass.call(value);
|
||
if (className == booleanClass) {
|
||
// Booleans are represented literally.
|
||
return "" + value;
|
||
} else if (className == numberClass) {
|
||
// JSON numbers must be finite. `Infinity` and `NaN` are serialized as
|
||
// `"null"`.
|
||
return value > -1 / 0 && value < 1 / 0 ? "" + value : "null";
|
||
} else if (className == stringClass) {
|
||
// Strings are double-quoted and escaped.
|
||
return quote("" + value);
|
||
}
|
||
// Recursively serialize objects and arrays.
|
||
if (typeof value == "object") {
|
||
// Check for cyclic structures. This is a linear search; performance
|
||
// is inversely proportional to the number of unique nested objects.
|
||
for (length = stack.length; length--;) {
|
||
if (stack[length] === value) {
|
||
// Cyclic structures cannot be serialized by `JSON.stringify`.
|
||
throw TypeError();
|
||
}
|
||
}
|
||
// Add the object to the stack of traversed objects.
|
||
stack.push(value);
|
||
results = [];
|
||
// Save the current indentation level and indent one additional level.
|
||
prefix = indentation;
|
||
indentation += whitespace;
|
||
if (className == arrayClass) {
|
||
// Recursively serialize array elements.
|
||
for (index = 0, length = value.length; index < length; index++) {
|
||
element = serialize(index, value, callback, properties, whitespace, indentation, stack);
|
||
results.push(element === undef ? "null" : element);
|
||
}
|
||
result = results.length ? (whitespace ? "[\n" + indentation + results.join(",\n" + indentation) + "\n" + prefix + "]" : ("[" + results.join(",") + "]")) : "[]";
|
||
} else {
|
||
// Recursively serialize object members. Members are selected from
|
||
// either a user-specified list of property names, or the object
|
||
// itself.
|
||
forEach(properties || value, function (property) {
|
||
var element = serialize(property, value, callback, properties, whitespace, indentation, stack);
|
||
if (element !== undef) {
|
||
// According to ES 5.1 section 15.12.3: "If `gap` {whitespace}
|
||
// is not the empty string, let `member` {quote(property) + ":"}
|
||
// be the concatenation of `member` and the `space` character."
|
||
// The "`space` character" refers to the literal space
|
||
// character, not the `space` {width} argument provided to
|
||
// `JSON.stringify`.
|
||
results.push(quote(property) + ":" + (whitespace ? " " : "") + element);
|
||
}
|
||
});
|
||
result = results.length ? (whitespace ? "{\n" + indentation + results.join(",\n" + indentation) + "\n" + prefix + "}" : ("{" + results.join(",") + "}")) : "{}";
|
||
}
|
||
// Remove the object from the traversed object stack.
|
||
stack.pop();
|
||
return result;
|
||
}
|
||
};
|
||
|
||
// Public: `JSON.stringify`. See ES 5.1 section 15.12.3.
|
||
exports.stringify = function (source, filter, width) {
|
||
var whitespace, callback, properties, className;
|
||
if (objectTypes[typeof filter] && filter) {
|
||
if ((className = getClass.call(filter)) == functionClass) {
|
||
callback = filter;
|
||
} else if (className == arrayClass) {
|
||
// Convert the property names array into a makeshift set.
|
||
properties = {};
|
||
for (var index = 0, length = filter.length, value; index < length; value = filter[index++], ((className = getClass.call(value)), className == stringClass || className == numberClass) && (properties[value] = 1));
|
||
}
|
||
}
|
||
if (width) {
|
||
if ((className = getClass.call(width)) == numberClass) {
|
||
// Convert the `width` to an integer and create a string containing
|
||
// `width` number of space characters.
|
||
if ((width -= width % 1) > 0) {
|
||
for (whitespace = "", width > 10 && (width = 10); whitespace.length < width; whitespace += " ");
|
||
}
|
||
} else if (className == stringClass) {
|
||
whitespace = width.length <= 10 ? width : width.slice(0, 10);
|
||
}
|
||
}
|
||
// Opera <= 7.54u2 discards the values associated with empty string keys
|
||
// (`""`) only if they are used directly within an object member list
|
||
// (e.g., `!("" in { "": 1})`).
|
||
return serialize("", (value = {}, value[""] = source, value), callback, properties, whitespace, "", []);
|
||
};
|
||
}
|
||
|
||
// Public: Parses a JSON source string.
|
||
if (!has("json-parse")) {
|
||
var fromCharCode = String.fromCharCode;
|
||
|
||
// Internal: A map of escaped control characters and their unescaped
|
||
// equivalents.
|
||
var Unescapes = {
|
||
92: "\\",
|
||
34: '"',
|
||
47: "/",
|
||
98: "\b",
|
||
116: "\t",
|
||
110: "\n",
|
||
102: "\f",
|
||
114: "\r"
|
||
};
|
||
|
||
// Internal: Stores the parser state.
|
||
var Index, Source;
|
||
|
||
// Internal: Resets the parser state and throws a `SyntaxError`.
|
||
var abort = function () {
|
||
Index = Source = null;
|
||
throw SyntaxError();
|
||
};
|
||
|
||
// Internal: Returns the next token, or `"$"` if the parser has reached
|
||
// the end of the source string. A token may be a string, number, `null`
|
||
// literal, or Boolean literal.
|
||
var lex = function () {
|
||
var source = Source, length = source.length, value, begin, position, isSigned, charCode;
|
||
while (Index < length) {
|
||
charCode = source.charCodeAt(Index);
|
||
switch (charCode) {
|
||
case 9: case 10: case 13: case 32:
|
||
// Skip whitespace tokens, including tabs, carriage returns, line
|
||
// feeds, and space characters.
|
||
Index++;
|
||
break;
|
||
case 123: case 125: case 91: case 93: case 58: case 44:
|
||
// Parse a punctuator token (`{`, `}`, `[`, `]`, `:`, or `,`) at
|
||
// the current position.
|
||
value = charIndexBuggy ? source.charAt(Index) : source[Index];
|
||
Index++;
|
||
return value;
|
||
case 34:
|
||
// `"` delimits a JSON string; advance to the next character and
|
||
// begin parsing the string. String tokens are prefixed with the
|
||
// sentinel `@` character to distinguish them from punctuators and
|
||
// end-of-string tokens.
|
||
for (value = "@", Index++; Index < length;) {
|
||
charCode = source.charCodeAt(Index);
|
||
if (charCode < 32) {
|
||
// Unescaped ASCII control characters (those with a code unit
|
||
// less than the space character) are not permitted.
|
||
abort();
|
||
} else if (charCode == 92) {
|
||
// A reverse solidus (`\`) marks the beginning of an escaped
|
||
// control character (including `"`, `\`, and `/`) or Unicode
|
||
// escape sequence.
|
||
charCode = source.charCodeAt(++Index);
|
||
switch (charCode) {
|
||
case 92: case 34: case 47: case 98: case 116: case 110: case 102: case 114:
|
||
// Revive escaped control characters.
|
||
value += Unescapes[charCode];
|
||
Index++;
|
||
break;
|
||
case 117:
|
||
// `\u` marks the beginning of a Unicode escape sequence.
|
||
// Advance to the first character and validate the
|
||
// four-digit code point.
|
||
begin = ++Index;
|
||
for (position = Index + 4; Index < position; Index++) {
|
||
charCode = source.charCodeAt(Index);
|
||
// A valid sequence comprises four hexdigits (case-
|
||
// insensitive) that form a single hexadecimal value.
|
||
if (!(charCode >= 48 && charCode <= 57 || charCode >= 97 && charCode <= 102 || charCode >= 65 && charCode <= 70)) {
|
||
// Invalid Unicode escape sequence.
|
||
abort();
|
||
}
|
||
}
|
||
// Revive the escaped character.
|
||
value += fromCharCode("0x" + source.slice(begin, Index));
|
||
break;
|
||
default:
|
||
// Invalid escape sequence.
|
||
abort();
|
||
}
|
||
} else {
|
||
if (charCode == 34) {
|
||
// An unescaped double-quote character marks the end of the
|
||
// string.
|
||
break;
|
||
}
|
||
charCode = source.charCodeAt(Index);
|
||
begin = Index;
|
||
// Optimize for the common case where a string is valid.
|
||
while (charCode >= 32 && charCode != 92 && charCode != 34) {
|
||
charCode = source.charCodeAt(++Index);
|
||
}
|
||
// Append the string as-is.
|
||
value += source.slice(begin, Index);
|
||
}
|
||
}
|
||
if (source.charCodeAt(Index) == 34) {
|
||
// Advance to the next character and return the revived string.
|
||
Index++;
|
||
return value;
|
||
}
|
||
// Unterminated string.
|
||
abort();
|
||
default:
|
||
// Parse numbers and literals.
|
||
begin = Index;
|
||
// Advance past the negative sign, if one is specified.
|
||
if (charCode == 45) {
|
||
isSigned = true;
|
||
charCode = source.charCodeAt(++Index);
|
||
}
|
||
// Parse an integer or floating-point value.
|
||
if (charCode >= 48 && charCode <= 57) {
|
||
// Leading zeroes are interpreted as octal literals.
|
||
if (charCode == 48 && ((charCode = source.charCodeAt(Index + 1)), charCode >= 48 && charCode <= 57)) {
|
||
// Illegal octal literal.
|
||
abort();
|
||
}
|
||
isSigned = false;
|
||
// Parse the integer component.
|
||
for (; Index < length && ((charCode = source.charCodeAt(Index)), charCode >= 48 && charCode <= 57); Index++);
|
||
// Floats cannot contain a leading decimal point; however, this
|
||
// case is already accounted for by the parser.
|
||
if (source.charCodeAt(Index) == 46) {
|
||
position = ++Index;
|
||
// Parse the decimal component.
|
||
for (; position < length && ((charCode = source.charCodeAt(position)), charCode >= 48 && charCode <= 57); position++);
|
||
if (position == Index) {
|
||
// Illegal trailing decimal.
|
||
abort();
|
||
}
|
||
Index = position;
|
||
}
|
||
// Parse exponents. The `e` denoting the exponent is
|
||
// case-insensitive.
|
||
charCode = source.charCodeAt(Index);
|
||
if (charCode == 101 || charCode == 69) {
|
||
charCode = source.charCodeAt(++Index);
|
||
// Skip past the sign following the exponent, if one is
|
||
// specified.
|
||
if (charCode == 43 || charCode == 45) {
|
||
Index++;
|
||
}
|
||
// Parse the exponential component.
|
||
for (position = Index; position < length && ((charCode = source.charCodeAt(position)), charCode >= 48 && charCode <= 57); position++);
|
||
if (position == Index) {
|
||
// Illegal empty exponent.
|
||
abort();
|
||
}
|
||
Index = position;
|
||
}
|
||
// Coerce the parsed value to a JavaScript number.
|
||
return +source.slice(begin, Index);
|
||
}
|
||
// A negative sign may only precede numbers.
|
||
if (isSigned) {
|
||
abort();
|
||
}
|
||
// `true`, `false`, and `null` literals.
|
||
if (source.slice(Index, Index + 4) == "true") {
|
||
Index += 4;
|
||
return true;
|
||
} else if (source.slice(Index, Index + 5) == "false") {
|
||
Index += 5;
|
||
return false;
|
||
} else if (source.slice(Index, Index + 4) == "null") {
|
||
Index += 4;
|
||
return null;
|
||
}
|
||
// Unrecognized token.
|
||
abort();
|
||
}
|
||
}
|
||
// Return the sentinel `$` character if the parser has reached the end
|
||
// of the source string.
|
||
return "$";
|
||
};
|
||
|
||
// Internal: Parses a JSON `value` token.
|
||
var get = function (value) {
|
||
var results, hasMembers;
|
||
if (value == "$") {
|
||
// Unexpected end of input.
|
||
abort();
|
||
}
|
||
if (typeof value == "string") {
|
||
if ((charIndexBuggy ? value.charAt(0) : value[0]) == "@") {
|
||
// Remove the sentinel `@` character.
|
||
return value.slice(1);
|
||
}
|
||
// Parse object and array literals.
|
||
if (value == "[") {
|
||
// Parses a JSON array, returning a new JavaScript array.
|
||
results = [];
|
||
for (;; hasMembers || (hasMembers = true)) {
|
||
value = lex();
|
||
// A closing square bracket marks the end of the array literal.
|
||
if (value == "]") {
|
||
break;
|
||
}
|
||
// If the array literal contains elements, the current token
|
||
// should be a comma separating the previous element from the
|
||
// next.
|
||
if (hasMembers) {
|
||
if (value == ",") {
|
||
value = lex();
|
||
if (value == "]") {
|
||
// Unexpected trailing `,` in array literal.
|
||
abort();
|
||
}
|
||
} else {
|
||
// A `,` must separate each array element.
|
||
abort();
|
||
}
|
||
}
|
||
// Elisions and leading commas are not permitted.
|
||
if (value == ",") {
|
||
abort();
|
||
}
|
||
results.push(get(value));
|
||
}
|
||
return results;
|
||
} else if (value == "{") {
|
||
// Parses a JSON object, returning a new JavaScript object.
|
||
results = {};
|
||
for (;; hasMembers || (hasMembers = true)) {
|
||
value = lex();
|
||
// A closing curly brace marks the end of the object literal.
|
||
if (value == "}") {
|
||
break;
|
||
}
|
||
// If the object literal contains members, the current token
|
||
// should be a comma separator.
|
||
if (hasMembers) {
|
||
if (value == ",") {
|
||
value = lex();
|
||
if (value == "}") {
|
||
// Unexpected trailing `,` in object literal.
|
||
abort();
|
||
}
|
||
} else {
|
||
// A `,` must separate each object member.
|
||
abort();
|
||
}
|
||
}
|
||
// Leading commas are not permitted, object property names must be
|
||
// double-quoted strings, and a `:` must separate each property
|
||
// name and value.
|
||
if (value == "," || typeof value != "string" || (charIndexBuggy ? value.charAt(0) : value[0]) != "@" || lex() != ":") {
|
||
abort();
|
||
}
|
||
results[value.slice(1)] = get(lex());
|
||
}
|
||
return results;
|
||
}
|
||
// Unexpected token encountered.
|
||
abort();
|
||
}
|
||
return value;
|
||
};
|
||
|
||
// Internal: Updates a traversed object member.
|
||
var update = function (source, property, callback) {
|
||
var element = walk(source, property, callback);
|
||
if (element === undef) {
|
||
delete source[property];
|
||
} else {
|
||
source[property] = element;
|
||
}
|
||
};
|
||
|
||
// Internal: Recursively traverses a parsed JSON object, invoking the
|
||
// `callback` function for each value. This is an implementation of the
|
||
// `Walk(holder, name)` operation defined in ES 5.1 section 15.12.2.
|
||
var walk = function (source, property, callback) {
|
||
var value = source[property], length;
|
||
if (typeof value == "object" && value) {
|
||
// `forEach` can't be used to traverse an array in Opera <= 8.54
|
||
// because its `Object#hasOwnProperty` implementation returns `false`
|
||
// for array indices (e.g., `![1, 2, 3].hasOwnProperty("0")`).
|
||
if (getClass.call(value) == arrayClass) {
|
||
for (length = value.length; length--;) {
|
||
update(value, length, callback);
|
||
}
|
||
} else {
|
||
forEach(value, function (property) {
|
||
update(value, property, callback);
|
||
});
|
||
}
|
||
}
|
||
return callback.call(source, property, value);
|
||
};
|
||
|
||
// Public: `JSON.parse`. See ES 5.1 section 15.12.2.
|
||
exports.parse = function (source, callback) {
|
||
var result, value;
|
||
Index = 0;
|
||
Source = "" + source;
|
||
result = get(lex());
|
||
// If a JSON string contains multiple tokens, it is invalid.
|
||
if (lex() != "$") {
|
||
abort();
|
||
}
|
||
// Reset the parser state.
|
||
Index = Source = null;
|
||
return callback && getClass.call(callback) == functionClass ? walk((value = {}, value[""] = result, value), "", callback) : result;
|
||
};
|
||
}
|
||
}
|
||
|
||
exports["runInContext"] = runInContext;
|
||
return exports;
|
||
}
|
||
|
||
if (freeExports && !isLoader) {
|
||
// Export for CommonJS environments.
|
||
runInContext(root, freeExports);
|
||
} else {
|
||
// Export for web browsers and JavaScript engines.
|
||
var nativeJSON = root.JSON,
|
||
previousJSON = root["JSON3"],
|
||
isRestored = false;
|
||
|
||
var JSON3 = runInContext(root, (root["JSON3"] = {
|
||
// Public: Restores the original value of the global `JSON` object and
|
||
// returns a reference to the `JSON3` object.
|
||
"noConflict": function () {
|
||
if (!isRestored) {
|
||
isRestored = true;
|
||
root.JSON = nativeJSON;
|
||
root["JSON3"] = previousJSON;
|
||
nativeJSON = previousJSON = null;
|
||
}
|
||
return JSON3;
|
||
}
|
||
}));
|
||
|
||
root.JSON = {
|
||
"parse": JSON3.parse,
|
||
"stringify": JSON3.stringify
|
||
};
|
||
}
|
||
|
||
// Export for asynchronous module loaders.
|
||
if (isLoader) {
|
||
define(function () {
|
||
return JSON3;
|
||
});
|
||
}
|
||
}).call(this);
|
||
|
||
}).call(this,typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
|
||
},{}],41:[function(require,module,exports){
|
||
(function (global){
|
||
/**
|
||
* JSON parse.
|
||
*
|
||
* @see Based on jQuery#parseJSON (MIT) and JSON2
|
||
* @api private
|
||
*/
|
||
|
||
var rvalidchars = /^[\],:{}\s]*$/;
|
||
var rvalidescape = /\\(?:["\\\/bfnrt]|u[0-9a-fA-F]{4})/g;
|
||
var rvalidtokens = /"[^"\\\n\r]*"|true|false|null|-?\d+(?:\.\d*)?(?:[eE][+\-]?\d+)?/g;
|
||
var rvalidbraces = /(?:^|:|,)(?:\s*\[)+/g;
|
||
var rtrimLeft = /^\s+/;
|
||
var rtrimRight = /\s+$/;
|
||
|
||
module.exports = function parsejson(data) {
|
||
if ('string' != typeof data || !data) {
|
||
return null;
|
||
}
|
||
|
||
data = data.replace(rtrimLeft, '').replace(rtrimRight, '');
|
||
|
||
// Attempt to parse using the native JSON parser first
|
||
if (global.JSON && JSON.parse) {
|
||
return JSON.parse(data);
|
||
}
|
||
|
||
if (rvalidchars.test(data.replace(rvalidescape, '@')
|
||
.replace(rvalidtokens, ']')
|
||
.replace(rvalidbraces, ''))) {
|
||
return (new Function('return ' + data))();
|
||
}
|
||
};
|
||
}).call(this,typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
|
||
},{}],42:[function(require,module,exports){
|
||
/**
|
||
* Compiles a querystring
|
||
* Returns string representation of the object
|
||
*
|
||
* @param {Object}
|
||
* @api private
|
||
*/
|
||
|
||
exports.encode = function (obj) {
|
||
var str = '';
|
||
|
||
for (var i in obj) {
|
||
if (obj.hasOwnProperty(i)) {
|
||
if (str.length) str += '&';
|
||
str += encodeURIComponent(i) + '=' + encodeURIComponent(obj[i]);
|
||
}
|
||
}
|
||
|
||
return str;
|
||
};
|
||
|
||
/**
|
||
* Parses a simple querystring into an object
|
||
*
|
||
* @param {String} qs
|
||
* @api private
|
||
*/
|
||
|
||
exports.decode = function(qs){
|
||
var qry = {};
|
||
var pairs = qs.split('&');
|
||
for (var i = 0, l = pairs.length; i < l; i++) {
|
||
var pair = pairs[i].split('=');
|
||
qry[decodeURIComponent(pair[0])] = decodeURIComponent(pair[1]);
|
||
}
|
||
return qry;
|
||
};
|
||
|
||
},{}],43:[function(require,module,exports){
|
||
/**
|
||
* Parses an URI
|
||
*
|
||
* @author Steven Levithan <stevenlevithan.com> (MIT license)
|
||
* @api private
|
||
*/
|
||
|
||
var re = /^(?:(?![^:@]+:[^:@\/]*@)(http|https|ws|wss):\/\/)?((?:(([^:@]*)(?::([^:@]*))?)?@)?((?:[a-f0-9]{0,4}:){2,7}[a-f0-9]{0,4}|[^:\/?#]*)(?::(\d*))?)(((\/(?:[^?#](?![^?#\/]*\.[^?#\/.]+(?:[?#]|$)))*\/?)?([^?#\/]*))(?:\?([^#]*))?(?:#(.*))?)/;
|
||
|
||
var parts = [
|
||
'source', 'protocol', 'authority', 'userInfo', 'user', 'password', 'host', 'port', 'relative', 'path', 'directory', 'file', 'query', 'anchor'
|
||
];
|
||
|
||
module.exports = function parseuri(str) {
|
||
var src = str,
|
||
b = str.indexOf('['),
|
||
e = str.indexOf(']');
|
||
|
||
if (b != -1 && e != -1) {
|
||
str = str.substring(0, b) + str.substring(b, e).replace(/:/g, ';') + str.substring(e, str.length);
|
||
}
|
||
|
||
var m = re.exec(str || ''),
|
||
uri = {},
|
||
i = 14;
|
||
|
||
while (i--) {
|
||
uri[parts[i]] = m[i] || '';
|
||
}
|
||
|
||
if (b != -1 && e != -1) {
|
||
uri.source = src;
|
||
uri.host = uri.host.substring(1, uri.host.length - 1).replace(/;/g, ':');
|
||
uri.authority = uri.authority.replace('[', '').replace(']', '').replace(/;/g, ':');
|
||
uri.ipv6uri = true;
|
||
}
|
||
|
||
return uri;
|
||
};
|
||
|
||
},{}],44:[function(require,module,exports){
|
||
|
||
/**
|
||
* Module dependencies.
|
||
*/
|
||
|
||
var url = require('./url');
|
||
var parser = require('socket.io-parser');
|
||
var Manager = require('./manager');
|
||
var debug = require('debug')('socket.io-client');
|
||
|
||
/**
|
||
* Module exports.
|
||
*/
|
||
|
||
module.exports = exports = lookup;
|
||
|
||
/**
|
||
* Managers cache.
|
||
*/
|
||
|
||
var cache = exports.managers = {};
|
||
|
||
/**
|
||
* Looks up an existing `Manager` for multiplexing.
|
||
* If the user summons:
|
||
*
|
||
* `io('http://localhost/a');`
|
||
* `io('http://localhost/b');`
|
||
*
|
||
* We reuse the existing instance based on same scheme/port/host,
|
||
* and we initialize sockets for each namespace.
|
||
*
|
||
* @api public
|
||
*/
|
||
|
||
function lookup (uri, opts) {
|
||
if (typeof uri === 'object') {
|
||
opts = uri;
|
||
uri = undefined;
|
||
}
|
||
|
||
opts = opts || {};
|
||
|
||
var parsed = url(uri);
|
||
var source = parsed.source;
|
||
var id = parsed.id;
|
||
var path = parsed.path;
|
||
var sameNamespace = cache[id] && path in cache[id].nsps;
|
||
var newConnection = opts.forceNew || opts['force new connection'] ||
|
||
false === opts.multiplex || sameNamespace;
|
||
|
||
var io;
|
||
|
||
if (newConnection) {
|
||
debug('ignoring socket cache for %s', source);
|
||
io = Manager(source, opts);
|
||
} else {
|
||
if (!cache[id]) {
|
||
debug('new io instance for %s', source);
|
||
cache[id] = Manager(source, opts);
|
||
}
|
||
io = cache[id];
|
||
}
|
||
if (parsed.query && !opts.query) {
|
||
opts.query = parsed.query;
|
||
} else if (opts && 'object' === typeof opts.query) {
|
||
opts.query = encodeQueryString(opts.query);
|
||
}
|
||
return io.socket(parsed.path, opts);
|
||
}
|
||
/**
|
||
* Helper method to parse query objects to string.
|
||
* @param {object} query
|
||
* @returns {string}
|
||
*/
|
||
function encodeQueryString (obj) {
|
||
var str = [];
|
||
for (var p in obj) {
|
||
if (obj.hasOwnProperty(p)) {
|
||
str.push(encodeURIComponent(p) + '=' + encodeURIComponent(obj[p]));
|
||
}
|
||
}
|
||
return str.join('&');
|
||
}
|
||
/**
|
||
* Protocol version.
|
||
*
|
||
* @api public
|
||
*/
|
||
|
||
exports.protocol = parser.protocol;
|
||
|
||
/**
|
||
* `connect`.
|
||
*
|
||
* @param {String} uri
|
||
* @api public
|
||
*/
|
||
|
||
exports.connect = lookup;
|
||
|
||
/**
|
||
* Expose constructors for standalone build.
|
||
*
|
||
* @api public
|
||
*/
|
||
|
||
exports.Manager = require('./manager');
|
||
exports.Socket = require('./socket');
|
||
|
||
},{"./manager":45,"./socket":47,"./url":48,"debug":50,"socket.io-parser":54}],45:[function(require,module,exports){
|
||
|
||
/**
|
||
* Module dependencies.
|
||
*/
|
||
|
||
var eio = require('engine.io-client');
|
||
var Socket = require('./socket');
|
||
var Emitter = require('component-emitter');
|
||
var parser = require('socket.io-parser');
|
||
var on = require('./on');
|
||
var bind = require('component-bind');
|
||
var debug = require('debug')('socket.io-client:manager');
|
||
var indexOf = require('indexof');
|
||
var Backoff = require('backo2');
|
||
|
||
/**
|
||
* IE6+ hasOwnProperty
|
||
*/
|
||
|
||
var has = Object.prototype.hasOwnProperty;
|
||
|
||
/**
|
||
* Module exports
|
||
*/
|
||
|
||
module.exports = Manager;
|
||
|
||
/**
|
||
* `Manager` constructor.
|
||
*
|
||
* @param {String} engine instance or engine uri/opts
|
||
* @param {Object} options
|
||
* @api public
|
||
*/
|
||
|
||
function Manager (uri, opts) {
|
||
if (!(this instanceof Manager)) return new Manager(uri, opts);
|
||
if (uri && ('object' === typeof uri)) {
|
||
opts = uri;
|
||
uri = undefined;
|
||
}
|
||
opts = opts || {};
|
||
|
||
opts.path = opts.path || '/socket.io';
|
||
this.nsps = {};
|
||
this.subs = [];
|
||
this.opts = opts;
|
||
this.reconnection(opts.reconnection !== false);
|
||
this.reconnectionAttempts(opts.reconnectionAttempts || Infinity);
|
||
this.reconnectionDelay(opts.reconnectionDelay || 1000);
|
||
this.reconnectionDelayMax(opts.reconnectionDelayMax || 5000);
|
||
this.randomizationFactor(opts.randomizationFactor || 0.5);
|
||
this.backoff = new Backoff({
|
||
min: this.reconnectionDelay(),
|
||
max: this.reconnectionDelayMax(),
|
||
jitter: this.randomizationFactor()
|
||
});
|
||
this.timeout(null == opts.timeout ? 20000 : opts.timeout);
|
||
this.readyState = 'closed';
|
||
this.uri = uri;
|
||
this.connecting = [];
|
||
this.lastPing = null;
|
||
this.encoding = false;
|
||
this.packetBuffer = [];
|
||
this.encoder = new parser.Encoder();
|
||
this.decoder = new parser.Decoder();
|
||
this.autoConnect = opts.autoConnect !== false;
|
||
if (this.autoConnect) this.open();
|
||
}
|
||
|
||
/**
|
||
* Propagate given event to sockets and emit on `this`
|
||
*
|
||
* @api private
|
||
*/
|
||
|
||
Manager.prototype.emitAll = function () {
|
||
this.emit.apply(this, arguments);
|
||
for (var nsp in this.nsps) {
|
||
if (has.call(this.nsps, nsp)) {
|
||
this.nsps[nsp].emit.apply(this.nsps[nsp], arguments);
|
||
}
|
||
}
|
||
};
|
||
|
||
/**
|
||
* Update `socket.id` of all sockets
|
||
*
|
||
* @api private
|
||
*/
|
||
|
||
Manager.prototype.updateSocketIds = function () {
|
||
for (var nsp in this.nsps) {
|
||
if (has.call(this.nsps, nsp)) {
|
||
this.nsps[nsp].id = this.engine.id;
|
||
}
|
||
}
|
||
};
|
||
|
||
/**
|
||
* Mix in `Emitter`.
|
||
*/
|
||
|
||
Emitter(Manager.prototype);
|
||
|
||
/**
|
||
* Sets the `reconnection` config.
|
||
*
|
||
* @param {Boolean} true/false if it should automatically reconnect
|
||
* @return {Manager} self or value
|
||
* @api public
|
||
*/
|
||
|
||
Manager.prototype.reconnection = function (v) {
|
||
if (!arguments.length) return this._reconnection;
|
||
this._reconnection = !!v;
|
||
return this;
|
||
};
|
||
|
||
/**
|
||
* Sets the reconnection attempts config.
|
||
*
|
||
* @param {Number} max reconnection attempts before giving up
|
||
* @return {Manager} self or value
|
||
* @api public
|
||
*/
|
||
|
||
Manager.prototype.reconnectionAttempts = function (v) {
|
||
if (!arguments.length) return this._reconnectionAttempts;
|
||
this._reconnectionAttempts = v;
|
||
return this;
|
||
};
|
||
|
||
/**
|
||
* Sets the delay between reconnections.
|
||
*
|
||
* @param {Number} delay
|
||
* @return {Manager} self or value
|
||
* @api public
|
||
*/
|
||
|
||
Manager.prototype.reconnectionDelay = function (v) {
|
||
if (!arguments.length) return this._reconnectionDelay;
|
||
this._reconnectionDelay = v;
|
||
this.backoff && this.backoff.setMin(v);
|
||
return this;
|
||
};
|
||
|
||
Manager.prototype.randomizationFactor = function (v) {
|
||
if (!arguments.length) return this._randomizationFactor;
|
||
this._randomizationFactor = v;
|
||
this.backoff && this.backoff.setJitter(v);
|
||
return this;
|
||
};
|
||
|
||
/**
|
||
* Sets the maximum delay between reconnections.
|
||
*
|
||
* @param {Number} delay
|
||
* @return {Manager} self or value
|
||
* @api public
|
||
*/
|
||
|
||
Manager.prototype.reconnectionDelayMax = function (v) {
|
||
if (!arguments.length) return this._reconnectionDelayMax;
|
||
this._reconnectionDelayMax = v;
|
||
this.backoff && this.backoff.setMax(v);
|
||
return this;
|
||
};
|
||
|
||
/**
|
||
* Sets the connection timeout. `false` to disable
|
||
*
|
||
* @return {Manager} self or value
|
||
* @api public
|
||
*/
|
||
|
||
Manager.prototype.timeout = function (v) {
|
||
if (!arguments.length) return this._timeout;
|
||
this._timeout = v;
|
||
return this;
|
||
};
|
||
|
||
/**
|
||
* Starts trying to reconnect if reconnection is enabled and we have not
|
||
* started reconnecting yet
|
||
*
|
||
* @api private
|
||
*/
|
||
|
||
Manager.prototype.maybeReconnectOnOpen = function () {
|
||
// Only try to reconnect if it's the first time we're connecting
|
||
if (!this.reconnecting && this._reconnection && this.backoff.attempts === 0) {
|
||
// keeps reconnection from firing twice for the same reconnection loop
|
||
this.reconnect();
|
||
}
|
||
};
|
||
|
||
/**
|
||
* Sets the current transport `socket`.
|
||
*
|
||
* @param {Function} optional, callback
|
||
* @return {Manager} self
|
||
* @api public
|
||
*/
|
||
|
||
Manager.prototype.open =
|
||
Manager.prototype.connect = function (fn, opts) {
|
||
debug('readyState %s', this.readyState);
|
||
if (~this.readyState.indexOf('open')) return this;
|
||
|
||
debug('opening %s', this.uri);
|
||
this.engine = eio(this.uri, this.opts);
|
||
var socket = this.engine;
|
||
var self = this;
|
||
this.readyState = 'opening';
|
||
this.skipReconnect = false;
|
||
|
||
// emit `open`
|
||
var openSub = on(socket, 'open', function () {
|
||
self.onopen();
|
||
fn && fn();
|
||
});
|
||
|
||
// emit `connect_error`
|
||
var errorSub = on(socket, 'error', function (data) {
|
||
debug('connect_error');
|
||
self.cleanup();
|
||
self.readyState = 'closed';
|
||
self.emitAll('connect_error', data);
|
||
if (fn) {
|
||
var err = new Error('Connection error');
|
||
err.data = data;
|
||
fn(err);
|
||
} else {
|
||
// Only do this if there is no fn to handle the error
|
||
self.maybeReconnectOnOpen();
|
||
}
|
||
});
|
||
|
||
// emit `connect_timeout`
|
||
if (false !== this._timeout) {
|
||
var timeout = this._timeout;
|
||
debug('connect attempt will timeout after %d', timeout);
|
||
|
||
// set timer
|
||
var timer = setTimeout(function () {
|
||
debug('connect attempt timed out after %d', timeout);
|
||
openSub.destroy();
|
||
socket.close();
|
||
socket.emit('error', 'timeout');
|
||
self.emitAll('connect_timeout', timeout);
|
||
}, timeout);
|
||
|
||
this.subs.push({
|
||
destroy: function () {
|
||
clearTimeout(timer);
|
||
}
|
||
});
|
||
}
|
||
|
||
this.subs.push(openSub);
|
||
this.subs.push(errorSub);
|
||
|
||
return this;
|
||
};
|
||
|
||
/**
|
||
* Called upon transport open.
|
||
*
|
||
* @api private
|
||
*/
|
||
|
||
Manager.prototype.onopen = function () {
|
||
debug('open');
|
||
|
||
// clear old subs
|
||
this.cleanup();
|
||
|
||
// mark as open
|
||
this.readyState = 'open';
|
||
this.emit('open');
|
||
|
||
// add new subs
|
||
var socket = this.engine;
|
||
this.subs.push(on(socket, 'data', bind(this, 'ondata')));
|
||
this.subs.push(on(socket, 'ping', bind(this, 'onping')));
|
||
this.subs.push(on(socket, 'pong', bind(this, 'onpong')));
|
||
this.subs.push(on(socket, 'error', bind(this, 'onerror')));
|
||
this.subs.push(on(socket, 'close', bind(this, 'onclose')));
|
||
this.subs.push(on(this.decoder, 'decoded', bind(this, 'ondecoded')));
|
||
};
|
||
|
||
/**
|
||
* Called upon a ping.
|
||
*
|
||
* @api private
|
||
*/
|
||
|
||
Manager.prototype.onping = function () {
|
||
this.lastPing = new Date();
|
||
this.emitAll('ping');
|
||
};
|
||
|
||
/**
|
||
* Called upon a packet.
|
||
*
|
||
* @api private
|
||
*/
|
||
|
||
Manager.prototype.onpong = function () {
|
||
this.emitAll('pong', new Date() - this.lastPing);
|
||
};
|
||
|
||
/**
|
||
* Called with data.
|
||
*
|
||
* @api private
|
||
*/
|
||
|
||
Manager.prototype.ondata = function (data) {
|
||
this.decoder.add(data);
|
||
};
|
||
|
||
/**
|
||
* Called when parser fully decodes a packet.
|
||
*
|
||
* @api private
|
||
*/
|
||
|
||
Manager.prototype.ondecoded = function (packet) {
|
||
this.emit('packet', packet);
|
||
};
|
||
|
||
/**
|
||
* Called upon socket error.
|
||
*
|
||
* @api private
|
||
*/
|
||
|
||
Manager.prototype.onerror = function (err) {
|
||
debug('error', err);
|
||
this.emitAll('error', err);
|
||
};
|
||
|
||
/**
|
||
* Creates a new socket for the given `nsp`.
|
||
*
|
||
* @return {Socket}
|
||
* @api public
|
||
*/
|
||
|
||
Manager.prototype.socket = function (nsp, opts) {
|
||
var socket = this.nsps[nsp];
|
||
if (!socket) {
|
||
socket = new Socket(this, nsp, opts);
|
||
this.nsps[nsp] = socket;
|
||
var self = this;
|
||
socket.on('connecting', onConnecting);
|
||
socket.on('connect', function () {
|
||
socket.id = self.engine.id;
|
||
});
|
||
|
||
if (this.autoConnect) {
|
||
// manually call here since connecting evnet is fired before listening
|
||
onConnecting();
|
||
}
|
||
}
|
||
|
||
function onConnecting () {
|
||
if (!~indexOf(self.connecting, socket)) {
|
||
self.connecting.push(socket);
|
||
}
|
||
}
|
||
|
||
return socket;
|
||
};
|
||
|
||
/**
|
||
* Called upon a socket close.
|
||
*
|
||
* @param {Socket} socket
|
||
*/
|
||
|
||
Manager.prototype.destroy = function (socket) {
|
||
var index = indexOf(this.connecting, socket);
|
||
if (~index) this.connecting.splice(index, 1);
|
||
if (this.connecting.length) return;
|
||
|
||
this.close();
|
||
};
|
||
|
||
/**
|
||
* Writes a packet.
|
||
*
|
||
* @param {Object} packet
|
||
* @api private
|
||
*/
|
||
|
||
Manager.prototype.packet = function (packet) {
|
||
debug('writing packet %j', packet);
|
||
var self = this;
|
||
if (packet.query && packet.type === 0) packet.nsp += '?' + packet.query;
|
||
|
||
if (!self.encoding) {
|
||
// encode, then write to engine with result
|
||
self.encoding = true;
|
||
this.encoder.encode(packet, function (encodedPackets) {
|
||
for (var i = 0; i < encodedPackets.length; i++) {
|
||
self.engine.write(encodedPackets[i], packet.options);
|
||
}
|
||
self.encoding = false;
|
||
self.processPacketQueue();
|
||
});
|
||
} else { // add packet to the queue
|
||
self.packetBuffer.push(packet);
|
||
}
|
||
};
|
||
|
||
/**
|
||
* If packet buffer is non-empty, begins encoding the
|
||
* next packet in line.
|
||
*
|
||
* @api private
|
||
*/
|
||
|
||
Manager.prototype.processPacketQueue = function () {
|
||
if (this.packetBuffer.length > 0 && !this.encoding) {
|
||
var pack = this.packetBuffer.shift();
|
||
this.packet(pack);
|
||
}
|
||
};
|
||
|
||
/**
|
||
* Clean up transport subscriptions and packet buffer.
|
||
*
|
||
* @api private
|
||
*/
|
||
|
||
Manager.prototype.cleanup = function () {
|
||
debug('cleanup');
|
||
|
||
var subsLength = this.subs.length;
|
||
for (var i = 0; i < subsLength; i++) {
|
||
var sub = this.subs.shift();
|
||
sub.destroy();
|
||
}
|
||
|
||
this.packetBuffer = [];
|
||
this.encoding = false;
|
||
this.lastPing = null;
|
||
|
||
this.decoder.destroy();
|
||
};
|
||
|
||
/**
|
||
* Close the current socket.
|
||
*
|
||
* @api private
|
||
*/
|
||
|
||
Manager.prototype.close =
|
||
Manager.prototype.disconnect = function () {
|
||
debug('disconnect');
|
||
this.skipReconnect = true;
|
||
this.reconnecting = false;
|
||
if ('opening' === this.readyState) {
|
||
// `onclose` will not fire because
|
||
// an open event never happened
|
||
this.cleanup();
|
||
}
|
||
this.backoff.reset();
|
||
this.readyState = 'closed';
|
||
if (this.engine) this.engine.close();
|
||
};
|
||
|
||
/**
|
||
* Called upon engine close.
|
||
*
|
||
* @api private
|
||
*/
|
||
|
||
Manager.prototype.onclose = function (reason) {
|
||
debug('onclose');
|
||
|
||
this.cleanup();
|
||
this.backoff.reset();
|
||
this.readyState = 'closed';
|
||
this.emit('close', reason);
|
||
|
||
if (this._reconnection && !this.skipReconnect) {
|
||
this.reconnect();
|
||
}
|
||
};
|
||
|
||
/**
|
||
* Attempt a reconnection.
|
||
*
|
||
* @api private
|
||
*/
|
||
|
||
Manager.prototype.reconnect = function () {
|
||
if (this.reconnecting || this.skipReconnect) return this;
|
||
|
||
var self = this;
|
||
|
||
if (this.backoff.attempts >= this._reconnectionAttempts) {
|
||
debug('reconnect failed');
|
||
this.backoff.reset();
|
||
this.emitAll('reconnect_failed');
|
||
this.reconnecting = false;
|
||
} else {
|
||
var delay = this.backoff.duration();
|
||
debug('will wait %dms before reconnect attempt', delay);
|
||
|
||
this.reconnecting = true;
|
||
var timer = setTimeout(function () {
|
||
if (self.skipReconnect) return;
|
||
|
||
debug('attempting reconnect');
|
||
self.emitAll('reconnect_attempt', self.backoff.attempts);
|
||
self.emitAll('reconnecting', self.backoff.attempts);
|
||
|
||
// check again for the case socket closed in above events
|
||
if (self.skipReconnect) return;
|
||
|
||
self.open(function (err) {
|
||
if (err) {
|
||
debug('reconnect attempt error');
|
||
self.reconnecting = false;
|
||
self.reconnect();
|
||
self.emitAll('reconnect_error', err.data);
|
||
} else {
|
||
debug('reconnect success');
|
||
self.onreconnect();
|
||
}
|
||
});
|
||
}, delay);
|
||
|
||
this.subs.push({
|
||
destroy: function () {
|
||
clearTimeout(timer);
|
||
}
|
||
});
|
||
}
|
||
};
|
||
|
||
/**
|
||
* Called upon successful reconnect.
|
||
*
|
||
* @api private
|
||
*/
|
||
|
||
Manager.prototype.onreconnect = function () {
|
||
var attempt = this.backoff.attempts;
|
||
this.reconnecting = false;
|
||
this.backoff.reset();
|
||
this.updateSocketIds();
|
||
this.emitAll('reconnect', attempt);
|
||
};
|
||
|
||
},{"./on":46,"./socket":47,"backo2":14,"component-bind":17,"component-emitter":49,"debug":50,"engine.io-client":20,"indexof":38,"socket.io-parser":54}],46:[function(require,module,exports){
|
||
|
||
/**
|
||
* Module exports.
|
||
*/
|
||
|
||
module.exports = on;
|
||
|
||
/**
|
||
* Helper for subscriptions.
|
||
*
|
||
* @param {Object|EventEmitter} obj with `Emitter` mixin or `EventEmitter`
|
||
* @param {String} event name
|
||
* @param {Function} callback
|
||
* @api public
|
||
*/
|
||
|
||
function on (obj, ev, fn) {
|
||
obj.on(ev, fn);
|
||
return {
|
||
destroy: function () {
|
||
obj.removeListener(ev, fn);
|
||
}
|
||
};
|
||
}
|
||
|
||
},{}],47:[function(require,module,exports){
|
||
|
||
/**
|
||
* Module dependencies.
|
||
*/
|
||
|
||
var parser = require('socket.io-parser');
|
||
var Emitter = require('component-emitter');
|
||
var toArray = require('to-array');
|
||
var on = require('./on');
|
||
var bind = require('component-bind');
|
||
var debug = require('debug')('socket.io-client:socket');
|
||
var hasBin = require('has-binary');
|
||
|
||
/**
|
||
* Module exports.
|
||
*/
|
||
|
||
module.exports = exports = Socket;
|
||
|
||
/**
|
||
* Internal events (blacklisted).
|
||
* These events can't be emitted by the user.
|
||
*
|
||
* @api private
|
||
*/
|
||
|
||
var events = {
|
||
connect: 1,
|
||
connect_error: 1,
|
||
connect_timeout: 1,
|
||
connecting: 1,
|
||
disconnect: 1,
|
||
error: 1,
|
||
reconnect: 1,
|
||
reconnect_attempt: 1,
|
||
reconnect_failed: 1,
|
||
reconnect_error: 1,
|
||
reconnecting: 1,
|
||
ping: 1,
|
||
pong: 1
|
||
};
|
||
|
||
/**
|
||
* Shortcut to `Emitter#emit`.
|
||
*/
|
||
|
||
var emit = Emitter.prototype.emit;
|
||
|
||
/**
|
||
* `Socket` constructor.
|
||
*
|
||
* @api public
|
||
*/
|
||
|
||
function Socket (io, nsp, opts) {
|
||
this.io = io;
|
||
this.nsp = nsp;
|
||
this.json = this; // compat
|
||
this.ids = 0;
|
||
this.acks = {};
|
||
this.receiveBuffer = [];
|
||
this.sendBuffer = [];
|
||
this.connected = false;
|
||
this.disconnected = true;
|
||
if (opts && opts.query) {
|
||
this.query = opts.query;
|
||
}
|
||
if (this.io.autoConnect) this.open();
|
||
}
|
||
|
||
/**
|
||
* Mix in `Emitter`.
|
||
*/
|
||
|
||
Emitter(Socket.prototype);
|
||
|
||
/**
|
||
* Subscribe to open, close and packet events
|
||
*
|
||
* @api private
|
||
*/
|
||
|
||
Socket.prototype.subEvents = function () {
|
||
if (this.subs) return;
|
||
|
||
var io = this.io;
|
||
this.subs = [
|
||
on(io, 'open', bind(this, 'onopen')),
|
||
on(io, 'packet', bind(this, 'onpacket')),
|
||
on(io, 'close', bind(this, 'onclose'))
|
||
];
|
||
};
|
||
|
||
/**
|
||
* "Opens" the socket.
|
||
*
|
||
* @api public
|
||
*/
|
||
|
||
Socket.prototype.open =
|
||
Socket.prototype.connect = function () {
|
||
if (this.connected) return this;
|
||
|
||
this.subEvents();
|
||
this.io.open(); // ensure open
|
||
if ('open' === this.io.readyState) this.onopen();
|
||
this.emit('connecting');
|
||
return this;
|
||
};
|
||
|
||
/**
|
||
* Sends a `message` event.
|
||
*
|
||
* @return {Socket} self
|
||
* @api public
|
||
*/
|
||
|
||
Socket.prototype.send = function () {
|
||
var args = toArray(arguments);
|
||
args.unshift('message');
|
||
this.emit.apply(this, args);
|
||
return this;
|
||
};
|
||
|
||
/**
|
||
* Override `emit`.
|
||
* If the event is in `events`, it's emitted normally.
|
||
*
|
||
* @param {String} event name
|
||
* @return {Socket} self
|
||
* @api public
|
||
*/
|
||
|
||
Socket.prototype.emit = function (ev) {
|
||
if (events.hasOwnProperty(ev)) {
|
||
emit.apply(this, arguments);
|
||
return this;
|
||
}
|
||
|
||
var args = toArray(arguments);
|
||
var parserType = parser.EVENT; // default
|
||
if (hasBin(args)) { parserType = parser.BINARY_EVENT; } // binary
|
||
var packet = { type: parserType, data: args };
|
||
|
||
packet.options = {};
|
||
packet.options.compress = !this.flags || false !== this.flags.compress;
|
||
|
||
// event ack callback
|
||
if ('function' === typeof args[args.length - 1]) {
|
||
debug('emitting packet with ack id %d', this.ids);
|
||
this.acks[this.ids] = args.pop();
|
||
packet.id = this.ids++;
|
||
}
|
||
|
||
if (this.connected) {
|
||
this.packet(packet);
|
||
} else {
|
||
this.sendBuffer.push(packet);
|
||
}
|
||
|
||
delete this.flags;
|
||
|
||
return this;
|
||
};
|
||
|
||
/**
|
||
* Sends a packet.
|
||
*
|
||
* @param {Object} packet
|
||
* @api private
|
||
*/
|
||
|
||
Socket.prototype.packet = function (packet) {
|
||
packet.nsp = this.nsp;
|
||
this.io.packet(packet);
|
||
};
|
||
|
||
/**
|
||
* Called upon engine `open`.
|
||
*
|
||
* @api private
|
||
*/
|
||
|
||
Socket.prototype.onopen = function () {
|
||
debug('transport is open - connecting');
|
||
|
||
// write connect packet if necessary
|
||
if ('/' !== this.nsp) {
|
||
if (this.query) {
|
||
this.packet({type: parser.CONNECT, query: this.query});
|
||
} else {
|
||
this.packet({type: parser.CONNECT});
|
||
}
|
||
}
|
||
};
|
||
|
||
/**
|
||
* Called upon engine `close`.
|
||
*
|
||
* @param {String} reason
|
||
* @api private
|
||
*/
|
||
|
||
Socket.prototype.onclose = function (reason) {
|
||
debug('close (%s)', reason);
|
||
this.connected = false;
|
||
this.disconnected = true;
|
||
delete this.id;
|
||
this.emit('disconnect', reason);
|
||
};
|
||
|
||
/**
|
||
* Called with socket packet.
|
||
*
|
||
* @param {Object} packet
|
||
* @api private
|
||
*/
|
||
|
||
Socket.prototype.onpacket = function (packet) {
|
||
if (packet.nsp !== this.nsp) return;
|
||
|
||
switch (packet.type) {
|
||
case parser.CONNECT:
|
||
this.onconnect();
|
||
break;
|
||
|
||
case parser.EVENT:
|
||
this.onevent(packet);
|
||
break;
|
||
|
||
case parser.BINARY_EVENT:
|
||
this.onevent(packet);
|
||
break;
|
||
|
||
case parser.ACK:
|
||
this.onack(packet);
|
||
break;
|
||
|
||
case parser.BINARY_ACK:
|
||
this.onack(packet);
|
||
break;
|
||
|
||
case parser.DISCONNECT:
|
||
this.ondisconnect();
|
||
break;
|
||
|
||
case parser.ERROR:
|
||
this.emit('error', packet.data);
|
||
break;
|
||
}
|
||
};
|
||
|
||
/**
|
||
* Called upon a server event.
|
||
*
|
||
* @param {Object} packet
|
||
* @api private
|
||
*/
|
||
|
||
Socket.prototype.onevent = function (packet) {
|
||
var args = packet.data || [];
|
||
debug('emitting event %j', args);
|
||
|
||
if (null != packet.id) {
|
||
debug('attaching ack callback to event');
|
||
args.push(this.ack(packet.id));
|
||
}
|
||
|
||
if (this.connected) {
|
||
emit.apply(this, args);
|
||
} else {
|
||
this.receiveBuffer.push(args);
|
||
}
|
||
};
|
||
|
||
/**
|
||
* Produces an ack callback to emit with an event.
|
||
*
|
||
* @api private
|
||
*/
|
||
|
||
Socket.prototype.ack = function (id) {
|
||
var self = this;
|
||
var sent = false;
|
||
return function () {
|
||
// prevent double callbacks
|
||
if (sent) return;
|
||
sent = true;
|
||
var args = toArray(arguments);
|
||
debug('sending ack %j', args);
|
||
|
||
var type = hasBin(args) ? parser.BINARY_ACK : parser.ACK;
|
||
self.packet({
|
||
type: type,
|
||
id: id,
|
||
data: args
|
||
});
|
||
};
|
||
};
|
||
|
||
/**
|
||
* Called upon a server acknowlegement.
|
||
*
|
||
* @param {Object} packet
|
||
* @api private
|
||
*/
|
||
|
||
Socket.prototype.onack = function (packet) {
|
||
var ack = this.acks[packet.id];
|
||
if ('function' === typeof ack) {
|
||
debug('calling ack %s with %j', packet.id, packet.data);
|
||
ack.apply(this, packet.data);
|
||
delete this.acks[packet.id];
|
||
} else {
|
||
debug('bad ack %s', packet.id);
|
||
}
|
||
};
|
||
|
||
/**
|
||
* Called upon server connect.
|
||
*
|
||
* @api private
|
||
*/
|
||
|
||
Socket.prototype.onconnect = function () {
|
||
this.connected = true;
|
||
this.disconnected = false;
|
||
this.emit('connect');
|
||
this.emitBuffered();
|
||
};
|
||
|
||
/**
|
||
* Emit buffered events (received and emitted).
|
||
*
|
||
* @api private
|
||
*/
|
||
|
||
Socket.prototype.emitBuffered = function () {
|
||
var i;
|
||
for (i = 0; i < this.receiveBuffer.length; i++) {
|
||
emit.apply(this, this.receiveBuffer[i]);
|
||
}
|
||
this.receiveBuffer = [];
|
||
|
||
for (i = 0; i < this.sendBuffer.length; i++) {
|
||
this.packet(this.sendBuffer[i]);
|
||
}
|
||
this.sendBuffer = [];
|
||
};
|
||
|
||
/**
|
||
* Called upon server disconnect.
|
||
*
|
||
* @api private
|
||
*/
|
||
|
||
Socket.prototype.ondisconnect = function () {
|
||
debug('server disconnect (%s)', this.nsp);
|
||
this.destroy();
|
||
this.onclose('io server disconnect');
|
||
};
|
||
|
||
/**
|
||
* Called upon forced client/server side disconnections,
|
||
* this method ensures the manager stops tracking us and
|
||
* that reconnections don't get triggered for this.
|
||
*
|
||
* @api private.
|
||
*/
|
||
|
||
Socket.prototype.destroy = function () {
|
||
if (this.subs) {
|
||
// clean subscriptions to avoid reconnections
|
||
for (var i = 0; i < this.subs.length; i++) {
|
||
this.subs[i].destroy();
|
||
}
|
||
this.subs = null;
|
||
}
|
||
|
||
this.io.destroy(this);
|
||
};
|
||
|
||
/**
|
||
* Disconnects the socket manually.
|
||
*
|
||
* @return {Socket} self
|
||
* @api public
|
||
*/
|
||
|
||
Socket.prototype.close =
|
||
Socket.prototype.disconnect = function () {
|
||
if (this.connected) {
|
||
debug('performing disconnect (%s)', this.nsp);
|
||
this.packet({ type: parser.DISCONNECT });
|
||
}
|
||
|
||
// remove socket from pool
|
||
this.destroy();
|
||
|
||
if (this.connected) {
|
||
// fire events
|
||
this.onclose('io client disconnect');
|
||
}
|
||
return this;
|
||
};
|
||
|
||
/**
|
||
* Sets the compress flag.
|
||
*
|
||
* @param {Boolean} if `true`, compresses the sending data
|
||
* @return {Socket} self
|
||
* @api public
|
||
*/
|
||
|
||
Socket.prototype.compress = function (compress) {
|
||
this.flags = this.flags || {};
|
||
this.flags.compress = compress;
|
||
return this;
|
||
};
|
||
|
||
},{"./on":46,"component-bind":17,"component-emitter":49,"debug":50,"has-binary":36,"socket.io-parser":54,"to-array":59}],48:[function(require,module,exports){
|
||
(function (global){
|
||
|
||
/**
|
||
* Module dependencies.
|
||
*/
|
||
|
||
var parseuri = require('parseuri');
|
||
var debug = require('debug')('socket.io-client:url');
|
||
|
||
/**
|
||
* Module exports.
|
||
*/
|
||
|
||
module.exports = url;
|
||
|
||
/**
|
||
* URL parser.
|
||
*
|
||
* @param {String} url
|
||
* @param {Object} An object meant to mimic window.location.
|
||
* Defaults to window.location.
|
||
* @api public
|
||
*/
|
||
|
||
function url (uri, loc) {
|
||
var obj = uri;
|
||
|
||
// default to window.location
|
||
loc = loc || global.location;
|
||
if (null == uri) uri = loc.protocol + '//' + loc.host;
|
||
|
||
// relative path support
|
||
if ('string' === typeof uri) {
|
||
if ('/' === uri.charAt(0)) {
|
||
if ('/' === uri.charAt(1)) {
|
||
uri = loc.protocol + uri;
|
||
} else {
|
||
uri = loc.host + uri;
|
||
}
|
||
}
|
||
|
||
if (!/^(https?|wss?):\/\//.test(uri)) {
|
||
debug('protocol-less url %s', uri);
|
||
if ('undefined' !== typeof loc) {
|
||
uri = loc.protocol + '//' + uri;
|
||
} else {
|
||
uri = 'https://' + uri;
|
||
}
|
||
}
|
||
|
||
// parse
|
||
debug('parse %s', uri);
|
||
obj = parseuri(uri);
|
||
}
|
||
|
||
// make sure we treat `localhost:80` and `localhost` equally
|
||
if (!obj.port) {
|
||
if (/^(http|ws)$/.test(obj.protocol)) {
|
||
obj.port = '80';
|
||
} else if (/^(http|ws)s$/.test(obj.protocol)) {
|
||
obj.port = '443';
|
||
}
|
||
}
|
||
|
||
obj.path = obj.path || '/';
|
||
|
||
var ipv6 = obj.host.indexOf(':') !== -1;
|
||
var host = ipv6 ? '[' + obj.host + ']' : obj.host;
|
||
|
||
// define unique id
|
||
obj.id = obj.protocol + '://' + host + ':' + obj.port;
|
||
// define href
|
||
obj.href = obj.protocol + '://' + host + (loc && loc.port === obj.port ? '' : (':' + obj.port));
|
||
|
||
return obj;
|
||
}
|
||
|
||
}).call(this,typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
|
||
},{"debug":50,"parseuri":43}],49:[function(require,module,exports){
|
||
arguments[4][30][0].apply(exports,arguments)
|
||
},{"dup":30}],50:[function(require,module,exports){
|
||
arguments[4][31][0].apply(exports,arguments)
|
||
},{"./debug":51,"_process":63,"dup":31}],51:[function(require,module,exports){
|
||
arguments[4][32][0].apply(exports,arguments)
|
||
},{"dup":32,"ms":52}],52:[function(require,module,exports){
|
||
arguments[4][33][0].apply(exports,arguments)
|
||
},{"dup":33}],53:[function(require,module,exports){
|
||
(function (global){
|
||
/*global Blob,File*/
|
||
|
||
/**
|
||
* Module requirements
|
||
*/
|
||
|
||
var isArray = require('isarray');
|
||
var isBuf = require('./is-buffer');
|
||
|
||
/**
|
||
* Replaces every Buffer | ArrayBuffer in packet with a numbered placeholder.
|
||
* Anything with blobs or files should be fed through removeBlobs before coming
|
||
* here.
|
||
*
|
||
* @param {Object} packet - socket.io event packet
|
||
* @return {Object} with deconstructed packet and list of buffers
|
||
* @api public
|
||
*/
|
||
|
||
exports.deconstructPacket = function(packet){
|
||
var buffers = [];
|
||
var packetData = packet.data;
|
||
|
||
function _deconstructPacket(data) {
|
||
if (!data) return data;
|
||
|
||
if (isBuf(data)) {
|
||
var placeholder = { _placeholder: true, num: buffers.length };
|
||
buffers.push(data);
|
||
return placeholder;
|
||
} else if (isArray(data)) {
|
||
var newData = new Array(data.length);
|
||
for (var i = 0; i < data.length; i++) {
|
||
newData[i] = _deconstructPacket(data[i]);
|
||
}
|
||
return newData;
|
||
} else if ('object' == typeof data && !(data instanceof Date)) {
|
||
var newData = {};
|
||
for (var key in data) {
|
||
newData[key] = _deconstructPacket(data[key]);
|
||
}
|
||
return newData;
|
||
}
|
||
return data;
|
||
}
|
||
|
||
var pack = packet;
|
||
pack.data = _deconstructPacket(packetData);
|
||
pack.attachments = buffers.length; // number of binary 'attachments'
|
||
return {packet: pack, buffers: buffers};
|
||
};
|
||
|
||
/**
|
||
* Reconstructs a binary packet from its placeholder packet and buffers
|
||
*
|
||
* @param {Object} packet - event packet with placeholders
|
||
* @param {Array} buffers - binary buffers to put in placeholder positions
|
||
* @return {Object} reconstructed packet
|
||
* @api public
|
||
*/
|
||
|
||
exports.reconstructPacket = function(packet, buffers) {
|
||
var curPlaceHolder = 0;
|
||
|
||
function _reconstructPacket(data) {
|
||
if (data && data._placeholder) {
|
||
var buf = buffers[data.num]; // appropriate buffer (should be natural order anyway)
|
||
return buf;
|
||
} else if (isArray(data)) {
|
||
for (var i = 0; i < data.length; i++) {
|
||
data[i] = _reconstructPacket(data[i]);
|
||
}
|
||
return data;
|
||
} else if (data && 'object' == typeof data) {
|
||
for (var key in data) {
|
||
data[key] = _reconstructPacket(data[key]);
|
||
}
|
||
return data;
|
||
}
|
||
return data;
|
||
}
|
||
|
||
packet.data = _reconstructPacket(packet.data);
|
||
packet.attachments = undefined; // no longer useful
|
||
return packet;
|
||
};
|
||
|
||
/**
|
||
* Asynchronously removes Blobs or Files from data via
|
||
* FileReader's readAsArrayBuffer method. Used before encoding
|
||
* data as msgpack. Calls callback with the blobless data.
|
||
*
|
||
* @param {Object} data
|
||
* @param {Function} callback
|
||
* @api private
|
||
*/
|
||
|
||
exports.removeBlobs = function(data, callback) {
|
||
function _removeBlobs(obj, curKey, containingObject) {
|
||
if (!obj) return obj;
|
||
|
||
// convert any blob
|
||
if ((global.Blob && obj instanceof Blob) ||
|
||
(global.File && obj instanceof File)) {
|
||
pendingBlobs++;
|
||
|
||
// async filereader
|
||
var fileReader = new FileReader();
|
||
fileReader.onload = function() { // this.result == arraybuffer
|
||
if (containingObject) {
|
||
containingObject[curKey] = this.result;
|
||
}
|
||
else {
|
||
bloblessData = this.result;
|
||
}
|
||
|
||
// if nothing pending its callback time
|
||
if(! --pendingBlobs) {
|
||
callback(bloblessData);
|
||
}
|
||
};
|
||
|
||
fileReader.readAsArrayBuffer(obj); // blob -> arraybuffer
|
||
} else if (isArray(obj)) { // handle array
|
||
for (var i = 0; i < obj.length; i++) {
|
||
_removeBlobs(obj[i], i, obj);
|
||
}
|
||
} else if (obj && 'object' == typeof obj && !isBuf(obj)) { // and object
|
||
for (var key in obj) {
|
||
_removeBlobs(obj[key], key, obj);
|
||
}
|
||
}
|
||
}
|
||
|
||
var pendingBlobs = 0;
|
||
var bloblessData = data;
|
||
_removeBlobs(bloblessData);
|
||
if (!pendingBlobs) {
|
||
callback(bloblessData);
|
||
}
|
||
};
|
||
|
||
}).call(this,typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
|
||
},{"./is-buffer":55,"isarray":39}],54:[function(require,module,exports){
|
||
|
||
/**
|
||
* Module dependencies.
|
||
*/
|
||
|
||
var debug = require('debug')('socket.io-parser');
|
||
var json = require('json3');
|
||
var Emitter = require('component-emitter');
|
||
var binary = require('./binary');
|
||
var isBuf = require('./is-buffer');
|
||
|
||
/**
|
||
* Protocol version.
|
||
*
|
||
* @api public
|
||
*/
|
||
|
||
exports.protocol = 4;
|
||
|
||
/**
|
||
* Packet types.
|
||
*
|
||
* @api public
|
||
*/
|
||
|
||
exports.types = [
|
||
'CONNECT',
|
||
'DISCONNECT',
|
||
'EVENT',
|
||
'ACK',
|
||
'ERROR',
|
||
'BINARY_EVENT',
|
||
'BINARY_ACK'
|
||
];
|
||
|
||
/**
|
||
* Packet type `connect`.
|
||
*
|
||
* @api public
|
||
*/
|
||
|
||
exports.CONNECT = 0;
|
||
|
||
/**
|
||
* Packet type `disconnect`.
|
||
*
|
||
* @api public
|
||
*/
|
||
|
||
exports.DISCONNECT = 1;
|
||
|
||
/**
|
||
* Packet type `event`.
|
||
*
|
||
* @api public
|
||
*/
|
||
|
||
exports.EVENT = 2;
|
||
|
||
/**
|
||
* Packet type `ack`.
|
||
*
|
||
* @api public
|
||
*/
|
||
|
||
exports.ACK = 3;
|
||
|
||
/**
|
||
* Packet type `error`.
|
||
*
|
||
* @api public
|
||
*/
|
||
|
||
exports.ERROR = 4;
|
||
|
||
/**
|
||
* Packet type 'binary event'
|
||
*
|
||
* @api public
|
||
*/
|
||
|
||
exports.BINARY_EVENT = 5;
|
||
|
||
/**
|
||
* Packet type `binary ack`. For acks with binary arguments.
|
||
*
|
||
* @api public
|
||
*/
|
||
|
||
exports.BINARY_ACK = 6;
|
||
|
||
/**
|
||
* Encoder constructor.
|
||
*
|
||
* @api public
|
||
*/
|
||
|
||
exports.Encoder = Encoder;
|
||
|
||
/**
|
||
* Decoder constructor.
|
||
*
|
||
* @api public
|
||
*/
|
||
|
||
exports.Decoder = Decoder;
|
||
|
||
/**
|
||
* A socket.io Encoder instance
|
||
*
|
||
* @api public
|
||
*/
|
||
|
||
function Encoder() {}
|
||
|
||
/**
|
||
* Encode a packet as a single string if non-binary, or as a
|
||
* buffer sequence, depending on packet type.
|
||
*
|
||
* @param {Object} obj - packet object
|
||
* @param {Function} callback - function to handle encodings (likely engine.write)
|
||
* @return Calls callback with Array of encodings
|
||
* @api public
|
||
*/
|
||
|
||
Encoder.prototype.encode = function(obj, callback){
|
||
debug('encoding packet %j', obj);
|
||
|
||
if (exports.BINARY_EVENT == obj.type || exports.BINARY_ACK == obj.type) {
|
||
encodeAsBinary(obj, callback);
|
||
}
|
||
else {
|
||
var encoding = encodeAsString(obj);
|
||
callback([encoding]);
|
||
}
|
||
};
|
||
|
||
/**
|
||
* Encode packet as string.
|
||
*
|
||
* @param {Object} packet
|
||
* @return {String} encoded
|
||
* @api private
|
||
*/
|
||
|
||
function encodeAsString(obj) {
|
||
var str = '';
|
||
var nsp = false;
|
||
|
||
// first is type
|
||
str += obj.type;
|
||
|
||
// attachments if we have them
|
||
if (exports.BINARY_EVENT == obj.type || exports.BINARY_ACK == obj.type) {
|
||
str += obj.attachments;
|
||
str += '-';
|
||
}
|
||
|
||
// if we have a namespace other than `/`
|
||
// we append it followed by a comma `,`
|
||
if (obj.nsp && '/' != obj.nsp) {
|
||
nsp = true;
|
||
str += obj.nsp;
|
||
}
|
||
|
||
// immediately followed by the id
|
||
if (null != obj.id) {
|
||
if (nsp) {
|
||
str += ',';
|
||
nsp = false;
|
||
}
|
||
str += obj.id;
|
||
}
|
||
|
||
// json data
|
||
if (null != obj.data) {
|
||
if (nsp) str += ',';
|
||
str += json.stringify(obj.data);
|
||
}
|
||
|
||
debug('encoded %j as %s', obj, str);
|
||
return str;
|
||
}
|
||
|
||
/**
|
||
* Encode packet as 'buffer sequence' by removing blobs, and
|
||
* deconstructing packet into object with placeholders and
|
||
* a list of buffers.
|
||
*
|
||
* @param {Object} packet
|
||
* @return {Buffer} encoded
|
||
* @api private
|
||
*/
|
||
|
||
function encodeAsBinary(obj, callback) {
|
||
|
||
function writeEncoding(bloblessData) {
|
||
var deconstruction = binary.deconstructPacket(bloblessData);
|
||
var pack = encodeAsString(deconstruction.packet);
|
||
var buffers = deconstruction.buffers;
|
||
|
||
buffers.unshift(pack); // add packet info to beginning of data list
|
||
callback(buffers); // write all the buffers
|
||
}
|
||
|
||
binary.removeBlobs(obj, writeEncoding);
|
||
}
|
||
|
||
/**
|
||
* A socket.io Decoder instance
|
||
*
|
||
* @return {Object} decoder
|
||
* @api public
|
||
*/
|
||
|
||
function Decoder() {
|
||
this.reconstructor = null;
|
||
}
|
||
|
||
/**
|
||
* Mix in `Emitter` with Decoder.
|
||
*/
|
||
|
||
Emitter(Decoder.prototype);
|
||
|
||
/**
|
||
* Decodes an ecoded packet string into packet JSON.
|
||
*
|
||
* @param {String} obj - encoded packet
|
||
* @return {Object} packet
|
||
* @api public
|
||
*/
|
||
|
||
Decoder.prototype.add = function(obj) {
|
||
var packet;
|
||
if ('string' == typeof obj) {
|
||
packet = decodeString(obj);
|
||
if (exports.BINARY_EVENT == packet.type || exports.BINARY_ACK == packet.type) { // binary packet's json
|
||
this.reconstructor = new BinaryReconstructor(packet);
|
||
|
||
// no attachments, labeled binary but no binary data to follow
|
||
if (this.reconstructor.reconPack.attachments === 0) {
|
||
this.emit('decoded', packet);
|
||
}
|
||
} else { // non-binary full packet
|
||
this.emit('decoded', packet);
|
||
}
|
||
}
|
||
else if (isBuf(obj) || obj.base64) { // raw binary data
|
||
if (!this.reconstructor) {
|
||
throw new Error('got binary data when not reconstructing a packet');
|
||
} else {
|
||
packet = this.reconstructor.takeBinaryData(obj);
|
||
if (packet) { // received final buffer
|
||
this.reconstructor = null;
|
||
this.emit('decoded', packet);
|
||
}
|
||
}
|
||
}
|
||
else {
|
||
throw new Error('Unknown type: ' + obj);
|
||
}
|
||
};
|
||
|
||
/**
|
||
* Decode a packet String (JSON data)
|
||
*
|
||
* @param {String} str
|
||
* @return {Object} packet
|
||
* @api private
|
||
*/
|
||
|
||
function decodeString(str) {
|
||
var p = {};
|
||
var i = 0;
|
||
|
||
// look up type
|
||
p.type = Number(str.charAt(0));
|
||
if (null == exports.types[p.type]) return error();
|
||
|
||
// look up attachments if type binary
|
||
if (exports.BINARY_EVENT == p.type || exports.BINARY_ACK == p.type) {
|
||
var buf = '';
|
||
while (str.charAt(++i) != '-') {
|
||
buf += str.charAt(i);
|
||
if (i == str.length) break;
|
||
}
|
||
if (buf != Number(buf) || str.charAt(i) != '-') {
|
||
throw new Error('Illegal attachments');
|
||
}
|
||
p.attachments = Number(buf);
|
||
}
|
||
|
||
// look up namespace (if any)
|
||
if ('/' == str.charAt(i + 1)) {
|
||
p.nsp = '';
|
||
while (++i) {
|
||
var c = str.charAt(i);
|
||
if (',' == c) break;
|
||
p.nsp += c;
|
||
if (i == str.length) break;
|
||
}
|
||
} else {
|
||
p.nsp = '/';
|
||
}
|
||
|
||
// look up id
|
||
var next = str.charAt(i + 1);
|
||
if ('' !== next && Number(next) == next) {
|
||
p.id = '';
|
||
while (++i) {
|
||
var c = str.charAt(i);
|
||
if (null == c || Number(c) != c) {
|
||
--i;
|
||
break;
|
||
}
|
||
p.id += str.charAt(i);
|
||
if (i == str.length) break;
|
||
}
|
||
p.id = Number(p.id);
|
||
}
|
||
|
||
// look up json data
|
||
if (str.charAt(++i)) {
|
||
p = tryParse(p, str.substr(i));
|
||
}
|
||
|
||
debug('decoded %s as %j', str, p);
|
||
return p;
|
||
}
|
||
|
||
function tryParse(p, str) {
|
||
try {
|
||
p.data = json.parse(str);
|
||
} catch(e){
|
||
return error();
|
||
}
|
||
return p;
|
||
};
|
||
|
||
/**
|
||
* Deallocates a parser's resources
|
||
*
|
||
* @api public
|
||
*/
|
||
|
||
Decoder.prototype.destroy = function() {
|
||
if (this.reconstructor) {
|
||
this.reconstructor.finishedReconstruction();
|
||
}
|
||
};
|
||
|
||
/**
|
||
* A manager of a binary event's 'buffer sequence'. Should
|
||
* be constructed whenever a packet of type BINARY_EVENT is
|
||
* decoded.
|
||
*
|
||
* @param {Object} packet
|
||
* @return {BinaryReconstructor} initialized reconstructor
|
||
* @api private
|
||
*/
|
||
|
||
function BinaryReconstructor(packet) {
|
||
this.reconPack = packet;
|
||
this.buffers = [];
|
||
}
|
||
|
||
/**
|
||
* Method to be called when binary data received from connection
|
||
* after a BINARY_EVENT packet.
|
||
*
|
||
* @param {Buffer | ArrayBuffer} binData - the raw binary data received
|
||
* @return {null | Object} returns null if more binary data is expected or
|
||
* a reconstructed packet object if all buffers have been received.
|
||
* @api private
|
||
*/
|
||
|
||
BinaryReconstructor.prototype.takeBinaryData = function(binData) {
|
||
this.buffers.push(binData);
|
||
if (this.buffers.length == this.reconPack.attachments) { // done with buffer list
|
||
var packet = binary.reconstructPacket(this.reconPack, this.buffers);
|
||
this.finishedReconstruction();
|
||
return packet;
|
||
}
|
||
return null;
|
||
};
|
||
|
||
/**
|
||
* Cleans up binary packet reconstruction variables.
|
||
*
|
||
* @api private
|
||
*/
|
||
|
||
BinaryReconstructor.prototype.finishedReconstruction = function() {
|
||
this.reconPack = null;
|
||
this.buffers = [];
|
||
};
|
||
|
||
function error(data){
|
||
return {
|
||
type: exports.ERROR,
|
||
data: 'parser error'
|
||
};
|
||
}
|
||
|
||
},{"./binary":53,"./is-buffer":55,"component-emitter":18,"debug":56,"json3":40}],55:[function(require,module,exports){
|
||
(function (global){
|
||
|
||
module.exports = isBuf;
|
||
|
||
/**
|
||
* Returns true if obj is a buffer or an arraybuffer.
|
||
*
|
||
* @api private
|
||
*/
|
||
|
||
function isBuf(obj) {
|
||
return (global.Buffer && global.Buffer.isBuffer(obj)) ||
|
||
(global.ArrayBuffer && obj instanceof ArrayBuffer);
|
||
}
|
||
|
||
}).call(this,typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
|
||
},{}],56:[function(require,module,exports){
|
||
|
||
/**
|
||
* This is the web browser implementation of `debug()`.
|
||
*
|
||
* Expose `debug()` as the module.
|
||
*/
|
||
|
||
exports = module.exports = require('./debug');
|
||
exports.log = log;
|
||
exports.formatArgs = formatArgs;
|
||
exports.save = save;
|
||
exports.load = load;
|
||
exports.useColors = useColors;
|
||
exports.storage = 'undefined' != typeof chrome
|
||
&& 'undefined' != typeof chrome.storage
|
||
? chrome.storage.local
|
||
: localstorage();
|
||
|
||
/**
|
||
* Colors.
|
||
*/
|
||
|
||
exports.colors = [
|
||
'lightseagreen',
|
||
'forestgreen',
|
||
'goldenrod',
|
||
'dodgerblue',
|
||
'darkorchid',
|
||
'crimson'
|
||
];
|
||
|
||
/**
|
||
* Currently only WebKit-based Web Inspectors, Firefox >= v31,
|
||
* and the Firebug extension (any Firefox version) are known
|
||
* to support "%c" CSS customizations.
|
||
*
|
||
* TODO: add a `localStorage` variable to explicitly enable/disable colors
|
||
*/
|
||
|
||
function useColors() {
|
||
// is webkit? http://stackoverflow.com/a/16459606/376773
|
||
return ('WebkitAppearance' in document.documentElement.style) ||
|
||
// is firebug? http://stackoverflow.com/a/398120/376773
|
||
(window.console && (console.firebug || (console.exception && console.table))) ||
|
||
// is firefox >= v31?
|
||
// https://developer.mozilla.org/en-US/docs/Tools/Web_Console#Styling_messages
|
||
(navigator.userAgent.toLowerCase().match(/firefox\/(\d+)/) && parseInt(RegExp.$1, 10) >= 31);
|
||
}
|
||
|
||
/**
|
||
* Map %j to `JSON.stringify()`, since no Web Inspectors do that by default.
|
||
*/
|
||
|
||
exports.formatters.j = function(v) {
|
||
return JSON.stringify(v);
|
||
};
|
||
|
||
|
||
/**
|
||
* Colorize log arguments if enabled.
|
||
*
|
||
* @api public
|
||
*/
|
||
|
||
function formatArgs() {
|
||
var args = arguments;
|
||
var useColors = this.useColors;
|
||
|
||
args[0] = (useColors ? '%c' : '')
|
||
+ this.namespace
|
||
+ (useColors ? ' %c' : ' ')
|
||
+ args[0]
|
||
+ (useColors ? '%c ' : ' ')
|
||
+ '+' + exports.humanize(this.diff);
|
||
|
||
if (!useColors) return args;
|
||
|
||
var c = 'color: ' + this.color;
|
||
args = [args[0], c, 'color: inherit'].concat(Array.prototype.slice.call(args, 1));
|
||
|
||
// the final "%c" is somewhat tricky, because there could be other
|
||
// arguments passed either before or after the %c, so we need to
|
||
// figure out the correct index to insert the CSS into
|
||
var index = 0;
|
||
var lastC = 0;
|
||
args[0].replace(/%[a-z%]/g, function(match) {
|
||
if ('%%' === match) return;
|
||
index++;
|
||
if ('%c' === match) {
|
||
// we only are interested in the *last* %c
|
||
// (the user may have provided their own)
|
||
lastC = index;
|
||
}
|
||
});
|
||
|
||
args.splice(lastC, 0, c);
|
||
return args;
|
||
}
|
||
|
||
/**
|
||
* Invokes `console.log()` when available.
|
||
* No-op when `console.log` is not a "function".
|
||
*
|
||
* @api public
|
||
*/
|
||
|
||
function log() {
|
||
// this hackery is required for IE8/9, where
|
||
// the `console.log` function doesn't have 'apply'
|
||
return 'object' === typeof console
|
||
&& console.log
|
||
&& Function.prototype.apply.call(console.log, console, arguments);
|
||
}
|
||
|
||
/**
|
||
* Save `namespaces`.
|
||
*
|
||
* @param {String} namespaces
|
||
* @api private
|
||
*/
|
||
|
||
function save(namespaces) {
|
||
try {
|
||
if (null == namespaces) {
|
||
exports.storage.removeItem('debug');
|
||
} else {
|
||
exports.storage.debug = namespaces;
|
||
}
|
||
} catch(e) {}
|
||
}
|
||
|
||
/**
|
||
* Load `namespaces`.
|
||
*
|
||
* @return {String} returns the previously persisted debug modes
|
||
* @api private
|
||
*/
|
||
|
||
function load() {
|
||
var r;
|
||
try {
|
||
r = exports.storage.debug;
|
||
} catch(e) {}
|
||
return r;
|
||
}
|
||
|
||
/**
|
||
* Enable namespaces listed in `localStorage.debug` initially.
|
||
*/
|
||
|
||
exports.enable(load());
|
||
|
||
/**
|
||
* Localstorage attempts to return the localstorage.
|
||
*
|
||
* This is necessary because safari throws
|
||
* when a user disables cookies/localstorage
|
||
* and you attempt to access it.
|
||
*
|
||
* @return {LocalStorage}
|
||
* @api private
|
||
*/
|
||
|
||
function localstorage(){
|
||
try {
|
||
return window.localStorage;
|
||
} catch (e) {}
|
||
}
|
||
|
||
},{"./debug":57}],57:[function(require,module,exports){
|
||
|
||
/**
|
||
* This is the common logic for both the Node.js and web browser
|
||
* implementations of `debug()`.
|
||
*
|
||
* Expose `debug()` as the module.
|
||
*/
|
||
|
||
exports = module.exports = debug;
|
||
exports.coerce = coerce;
|
||
exports.disable = disable;
|
||
exports.enable = enable;
|
||
exports.enabled = enabled;
|
||
exports.humanize = require('ms');
|
||
|
||
/**
|
||
* The currently active debug mode names, and names to skip.
|
||
*/
|
||
|
||
exports.names = [];
|
||
exports.skips = [];
|
||
|
||
/**
|
||
* Map of special "%n" handling functions, for the debug "format" argument.
|
||
*
|
||
* Valid key names are a single, lowercased letter, i.e. "n".
|
||
*/
|
||
|
||
exports.formatters = {};
|
||
|
||
/**
|
||
* Previously assigned color.
|
||
*/
|
||
|
||
var prevColor = 0;
|
||
|
||
/**
|
||
* Previous log timestamp.
|
||
*/
|
||
|
||
var prevTime;
|
||
|
||
/**
|
||
* Select a color.
|
||
*
|
||
* @return {Number}
|
||
* @api private
|
||
*/
|
||
|
||
function selectColor() {
|
||
return exports.colors[prevColor++ % exports.colors.length];
|
||
}
|
||
|
||
/**
|
||
* Create a debugger with the given `namespace`.
|
||
*
|
||
* @param {String} namespace
|
||
* @return {Function}
|
||
* @api public
|
||
*/
|
||
|
||
function debug(namespace) {
|
||
|
||
// define the `disabled` version
|
||
function disabled() {
|
||
}
|
||
disabled.enabled = false;
|
||
|
||
// define the `enabled` version
|
||
function enabled() {
|
||
|
||
var self = enabled;
|
||
|
||
// set `diff` timestamp
|
||
var curr = +new Date();
|
||
var ms = curr - (prevTime || curr);
|
||
self.diff = ms;
|
||
self.prev = prevTime;
|
||
self.curr = curr;
|
||
prevTime = curr;
|
||
|
||
// add the `color` if not set
|
||
if (null == self.useColors) self.useColors = exports.useColors();
|
||
if (null == self.color && self.useColors) self.color = selectColor();
|
||
|
||
var args = Array.prototype.slice.call(arguments);
|
||
|
||
args[0] = exports.coerce(args[0]);
|
||
|
||
if ('string' !== typeof args[0]) {
|
||
// anything else let's inspect with %o
|
||
args = ['%o'].concat(args);
|
||
}
|
||
|
||
// apply any `formatters` transformations
|
||
var index = 0;
|
||
args[0] = args[0].replace(/%([a-z%])/g, function(match, format) {
|
||
// if we encounter an escaped % then don't increase the array index
|
||
if (match === '%%') return match;
|
||
index++;
|
||
var formatter = exports.formatters[format];
|
||
if ('function' === typeof formatter) {
|
||
var val = args[index];
|
||
match = formatter.call(self, val);
|
||
|
||
// now we need to remove `args[index]` since it's inlined in the `format`
|
||
args.splice(index, 1);
|
||
index--;
|
||
}
|
||
return match;
|
||
});
|
||
|
||
if ('function' === typeof exports.formatArgs) {
|
||
args = exports.formatArgs.apply(self, args);
|
||
}
|
||
var logFn = enabled.log || exports.log || console.log.bind(console);
|
||
logFn.apply(self, args);
|
||
}
|
||
enabled.enabled = true;
|
||
|
||
var fn = exports.enabled(namespace) ? enabled : disabled;
|
||
|
||
fn.namespace = namespace;
|
||
|
||
return fn;
|
||
}
|
||
|
||
/**
|
||
* Enables a debug mode by namespaces. This can include modes
|
||
* separated by a colon and wildcards.
|
||
*
|
||
* @param {String} namespaces
|
||
* @api public
|
||
*/
|
||
|
||
function enable(namespaces) {
|
||
exports.save(namespaces);
|
||
|
||
var split = (namespaces || '').split(/[\s,]+/);
|
||
var len = split.length;
|
||
|
||
for (var i = 0; i < len; i++) {
|
||
if (!split[i]) continue; // ignore empty strings
|
||
namespaces = split[i].replace(/\*/g, '.*?');
|
||
if (namespaces[0] === '-') {
|
||
exports.skips.push(new RegExp('^' + namespaces.substr(1) + '$'));
|
||
} else {
|
||
exports.names.push(new RegExp('^' + namespaces + '$'));
|
||
}
|
||
}
|
||
}
|
||
|
||
/**
|
||
* Disable debug output.
|
||
*
|
||
* @api public
|
||
*/
|
||
|
||
function disable() {
|
||
exports.enable('');
|
||
}
|
||
|
||
/**
|
||
* Returns true if the given mode name is enabled, false otherwise.
|
||
*
|
||
* @param {String} name
|
||
* @return {Boolean}
|
||
* @api public
|
||
*/
|
||
|
||
function enabled(name) {
|
||
var i, len;
|
||
for (i = 0, len = exports.skips.length; i < len; i++) {
|
||
if (exports.skips[i].test(name)) {
|
||
return false;
|
||
}
|
||
}
|
||
for (i = 0, len = exports.names.length; i < len; i++) {
|
||
if (exports.names[i].test(name)) {
|
||
return true;
|
||
}
|
||
}
|
||
return false;
|
||
}
|
||
|
||
/**
|
||
* Coerce `val`.
|
||
*
|
||
* @param {Mixed} val
|
||
* @return {Mixed}
|
||
* @api private
|
||
*/
|
||
|
||
function coerce(val) {
|
||
if (val instanceof Error) return val.stack || val.message;
|
||
return val;
|
||
}
|
||
|
||
},{"ms":58}],58:[function(require,module,exports){
|
||
/**
|
||
* Helpers.
|
||
*/
|
||
|
||
var s = 1000;
|
||
var m = s * 60;
|
||
var h = m * 60;
|
||
var d = h * 24;
|
||
var y = d * 365.25;
|
||
|
||
/**
|
||
* Parse or format the given `val`.
|
||
*
|
||
* Options:
|
||
*
|
||
* - `long` verbose formatting [false]
|
||
*
|
||
* @param {String|Number} val
|
||
* @param {Object} options
|
||
* @return {String|Number}
|
||
* @api public
|
||
*/
|
||
|
||
module.exports = function(val, options){
|
||
options = options || {};
|
||
if ('string' == typeof val) return parse(val);
|
||
return options.long
|
||
? long(val)
|
||
: short(val);
|
||
};
|
||
|
||
/**
|
||
* Parse the given `str` and return milliseconds.
|
||
*
|
||
* @param {String} str
|
||
* @return {Number}
|
||
* @api private
|
||
*/
|
||
|
||
function parse(str) {
|
||
str = '' + str;
|
||
if (str.length > 10000) return;
|
||
var match = /^((?:\d+)?\.?\d+) *(milliseconds?|msecs?|ms|seconds?|secs?|s|minutes?|mins?|m|hours?|hrs?|h|days?|d|years?|yrs?|y)?$/i.exec(str);
|
||
if (!match) return;
|
||
var n = parseFloat(match[1]);
|
||
var type = (match[2] || 'ms').toLowerCase();
|
||
switch (type) {
|
||
case 'years':
|
||
case 'year':
|
||
case 'yrs':
|
||
case 'yr':
|
||
case 'y':
|
||
return n * y;
|
||
case 'days':
|
||
case 'day':
|
||
case 'd':
|
||
return n * d;
|
||
case 'hours':
|
||
case 'hour':
|
||
case 'hrs':
|
||
case 'hr':
|
||
case 'h':
|
||
return n * h;
|
||
case 'minutes':
|
||
case 'minute':
|
||
case 'mins':
|
||
case 'min':
|
||
case 'm':
|
||
return n * m;
|
||
case 'seconds':
|
||
case 'second':
|
||
case 'secs':
|
||
case 'sec':
|
||
case 's':
|
||
return n * s;
|
||
case 'milliseconds':
|
||
case 'millisecond':
|
||
case 'msecs':
|
||
case 'msec':
|
||
case 'ms':
|
||
return n;
|
||
}
|
||
}
|
||
|
||
/**
|
||
* Short format for `ms`.
|
||
*
|
||
* @param {Number} ms
|
||
* @return {String}
|
||
* @api private
|
||
*/
|
||
|
||
function short(ms) {
|
||
if (ms >= d) return Math.round(ms / d) + 'd';
|
||
if (ms >= h) return Math.round(ms / h) + 'h';
|
||
if (ms >= m) return Math.round(ms / m) + 'm';
|
||
if (ms >= s) return Math.round(ms / s) + 's';
|
||
return ms + 'ms';
|
||
}
|
||
|
||
/**
|
||
* Long format for `ms`.
|
||
*
|
||
* @param {Number} ms
|
||
* @return {String}
|
||
* @api private
|
||
*/
|
||
|
||
function long(ms) {
|
||
return plural(ms, d, 'day')
|
||
|| plural(ms, h, 'hour')
|
||
|| plural(ms, m, 'minute')
|
||
|| plural(ms, s, 'second')
|
||
|| ms + ' ms';
|
||
}
|
||
|
||
/**
|
||
* Pluralization helper.
|
||
*/
|
||
|
||
function plural(ms, n, name) {
|
||
if (ms < n) return;
|
||
if (ms < n * 1.5) return Math.floor(ms / n) + ' ' + name;
|
||
return Math.ceil(ms / n) + ' ' + name + 's';
|
||
}
|
||
|
||
},{}],59:[function(require,module,exports){
|
||
module.exports = toArray
|
||
|
||
function toArray(list, index) {
|
||
var array = []
|
||
|
||
index = index || 0
|
||
|
||
for (var i = index || 0; i < list.length; i++) {
|
||
array[i - index] = list[i]
|
||
}
|
||
|
||
return array
|
||
}
|
||
|
||
},{}],60:[function(require,module,exports){
|
||
(function (global){
|
||
/*! https://mths.be/wtf8 v1.0.0 by @mathias */
|
||
;(function(root) {
|
||
|
||
// Detect free variables `exports`
|
||
var freeExports = typeof exports == 'object' && exports;
|
||
|
||
// Detect free variable `module`
|
||
var freeModule = typeof module == 'object' && module &&
|
||
module.exports == freeExports && module;
|
||
|
||
// Detect free variable `global`, from Node.js or Browserified code,
|
||
// and use it as `root`
|
||
var freeGlobal = typeof global == 'object' && global;
|
||
if (freeGlobal.global === freeGlobal || freeGlobal.window === freeGlobal) {
|
||
root = freeGlobal;
|
||
}
|
||
|
||
/*--------------------------------------------------------------------------*/
|
||
|
||
var stringFromCharCode = String.fromCharCode;
|
||
|
||
// Taken from https://mths.be/punycode
|
||
function ucs2decode(string) {
|
||
var output = [];
|
||
var counter = 0;
|
||
var length = string.length;
|
||
var value;
|
||
var extra;
|
||
while (counter < length) {
|
||
value = string.charCodeAt(counter++);
|
||
if (value >= 0xD800 && value <= 0xDBFF && counter < length) {
|
||
// high surrogate, and there is a next character
|
||
extra = string.charCodeAt(counter++);
|
||
if ((extra & 0xFC00) == 0xDC00) { // low surrogate
|
||
output.push(((value & 0x3FF) << 10) + (extra & 0x3FF) + 0x10000);
|
||
} else {
|
||
// unmatched surrogate; only append this code unit, in case the next
|
||
// code unit is the high surrogate of a surrogate pair
|
||
output.push(value);
|
||
counter--;
|
||
}
|
||
} else {
|
||
output.push(value);
|
||
}
|
||
}
|
||
return output;
|
||
}
|
||
|
||
// Taken from https://mths.be/punycode
|
||
function ucs2encode(array) {
|
||
var length = array.length;
|
||
var index = -1;
|
||
var value;
|
||
var output = '';
|
||
while (++index < length) {
|
||
value = array[index];
|
||
if (value > 0xFFFF) {
|
||
value -= 0x10000;
|
||
output += stringFromCharCode(value >>> 10 & 0x3FF | 0xD800);
|
||
value = 0xDC00 | value & 0x3FF;
|
||
}
|
||
output += stringFromCharCode(value);
|
||
}
|
||
return output;
|
||
}
|
||
|
||
/*--------------------------------------------------------------------------*/
|
||
|
||
function createByte(codePoint, shift) {
|
||
return stringFromCharCode(((codePoint >> shift) & 0x3F) | 0x80);
|
||
}
|
||
|
||
function encodeCodePoint(codePoint) {
|
||
if ((codePoint & 0xFFFFFF80) == 0) { // 1-byte sequence
|
||
return stringFromCharCode(codePoint);
|
||
}
|
||
var symbol = '';
|
||
if ((codePoint & 0xFFFFF800) == 0) { // 2-byte sequence
|
||
symbol = stringFromCharCode(((codePoint >> 6) & 0x1F) | 0xC0);
|
||
}
|
||
else if ((codePoint & 0xFFFF0000) == 0) { // 3-byte sequence
|
||
symbol = stringFromCharCode(((codePoint >> 12) & 0x0F) | 0xE0);
|
||
symbol += createByte(codePoint, 6);
|
||
}
|
||
else if ((codePoint & 0xFFE00000) == 0) { // 4-byte sequence
|
||
symbol = stringFromCharCode(((codePoint >> 18) & 0x07) | 0xF0);
|
||
symbol += createByte(codePoint, 12);
|
||
symbol += createByte(codePoint, 6);
|
||
}
|
||
symbol += stringFromCharCode((codePoint & 0x3F) | 0x80);
|
||
return symbol;
|
||
}
|
||
|
||
function wtf8encode(string) {
|
||
var codePoints = ucs2decode(string);
|
||
var length = codePoints.length;
|
||
var index = -1;
|
||
var codePoint;
|
||
var byteString = '';
|
||
while (++index < length) {
|
||
codePoint = codePoints[index];
|
||
byteString += encodeCodePoint(codePoint);
|
||
}
|
||
return byteString;
|
||
}
|
||
|
||
/*--------------------------------------------------------------------------*/
|
||
|
||
function readContinuationByte() {
|
||
if (byteIndex >= byteCount) {
|
||
throw Error('Invalid byte index');
|
||
}
|
||
|
||
var continuationByte = byteArray[byteIndex] & 0xFF;
|
||
byteIndex++;
|
||
|
||
if ((continuationByte & 0xC0) == 0x80) {
|
||
return continuationByte & 0x3F;
|
||
}
|
||
|
||
// If we end up here, it’s not a continuation byte.
|
||
throw Error('Invalid continuation byte');
|
||
}
|
||
|
||
function decodeSymbol() {
|
||
var byte1;
|
||
var byte2;
|
||
var byte3;
|
||
var byte4;
|
||
var codePoint;
|
||
|
||
if (byteIndex > byteCount) {
|
||
throw Error('Invalid byte index');
|
||
}
|
||
|
||
if (byteIndex == byteCount) {
|
||
return false;
|
||
}
|
||
|
||
// Read the first byte.
|
||
byte1 = byteArray[byteIndex] & 0xFF;
|
||
byteIndex++;
|
||
|
||
// 1-byte sequence (no continuation bytes)
|
||
if ((byte1 & 0x80) == 0) {
|
||
return byte1;
|
||
}
|
||
|
||
// 2-byte sequence
|
||
if ((byte1 & 0xE0) == 0xC0) {
|
||
var byte2 = readContinuationByte();
|
||
codePoint = ((byte1 & 0x1F) << 6) | byte2;
|
||
if (codePoint >= 0x80) {
|
||
return codePoint;
|
||
} else {
|
||
throw Error('Invalid continuation byte');
|
||
}
|
||
}
|
||
|
||
// 3-byte sequence (may include unpaired surrogates)
|
||
if ((byte1 & 0xF0) == 0xE0) {
|
||
byte2 = readContinuationByte();
|
||
byte3 = readContinuationByte();
|
||
codePoint = ((byte1 & 0x0F) << 12) | (byte2 << 6) | byte3;
|
||
if (codePoint >= 0x0800) {
|
||
return codePoint;
|
||
} else {
|
||
throw Error('Invalid continuation byte');
|
||
}
|
||
}
|
||
|
||
// 4-byte sequence
|
||
if ((byte1 & 0xF8) == 0xF0) {
|
||
byte2 = readContinuationByte();
|
||
byte3 = readContinuationByte();
|
||
byte4 = readContinuationByte();
|
||
codePoint = ((byte1 & 0x0F) << 0x12) | (byte2 << 0x0C) |
|
||
(byte3 << 0x06) | byte4;
|
||
if (codePoint >= 0x010000 && codePoint <= 0x10FFFF) {
|
||
return codePoint;
|
||
}
|
||
}
|
||
|
||
throw Error('Invalid WTF-8 detected');
|
||
}
|
||
|
||
var byteArray;
|
||
var byteCount;
|
||
var byteIndex;
|
||
function wtf8decode(byteString) {
|
||
byteArray = ucs2decode(byteString);
|
||
byteCount = byteArray.length;
|
||
byteIndex = 0;
|
||
var codePoints = [];
|
||
var tmp;
|
||
while ((tmp = decodeSymbol()) !== false) {
|
||
codePoints.push(tmp);
|
||
}
|
||
return ucs2encode(codePoints);
|
||
}
|
||
|
||
/*--------------------------------------------------------------------------*/
|
||
|
||
var wtf8 = {
|
||
'version': '1.0.0',
|
||
'encode': wtf8encode,
|
||
'decode': wtf8decode
|
||
};
|
||
|
||
// Some AMD build optimizers, like r.js, check for specific condition patterns
|
||
// like the following:
|
||
if (
|
||
typeof define == 'function' &&
|
||
typeof define.amd == 'object' &&
|
||
define.amd
|
||
) {
|
||
define(function() {
|
||
return wtf8;
|
||
});
|
||
} else if (freeExports && !freeExports.nodeType) {
|
||
if (freeModule) { // in Node.js or RingoJS v0.8.0+
|
||
freeModule.exports = wtf8;
|
||
} else { // in Narwhal or RingoJS v0.7.0-
|
||
var object = {};
|
||
var hasOwnProperty = object.hasOwnProperty;
|
||
for (var key in wtf8) {
|
||
hasOwnProperty.call(wtf8, key) && (freeExports[key] = wtf8[key]);
|
||
}
|
||
}
|
||
} else { // in Rhino or a web browser
|
||
root.wtf8 = wtf8;
|
||
}
|
||
|
||
}(this));
|
||
|
||
}).call(this,typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
|
||
},{}],61:[function(require,module,exports){
|
||
'use strict';
|
||
|
||
var alphabet = '0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz-_'.split('')
|
||
, length = 64
|
||
, map = {}
|
||
, seed = 0
|
||
, i = 0
|
||
, prev;
|
||
|
||
/**
|
||
* Return a string representing the specified number.
|
||
*
|
||
* @param {Number} num The number to convert.
|
||
* @returns {String} The string representation of the number.
|
||
* @api public
|
||
*/
|
||
function encode(num) {
|
||
var encoded = '';
|
||
|
||
do {
|
||
encoded = alphabet[num % length] + encoded;
|
||
num = Math.floor(num / length);
|
||
} while (num > 0);
|
||
|
||
return encoded;
|
||
}
|
||
|
||
/**
|
||
* Return the integer value specified by the given string.
|
||
*
|
||
* @param {String} str The string to convert.
|
||
* @returns {Number} The integer value represented by the string.
|
||
* @api public
|
||
*/
|
||
function decode(str) {
|
||
var decoded = 0;
|
||
|
||
for (i = 0; i < str.length; i++) {
|
||
decoded = decoded * length + map[str.charAt(i)];
|
||
}
|
||
|
||
return decoded;
|
||
}
|
||
|
||
/**
|
||
* Yeast: A tiny growing id generator.
|
||
*
|
||
* @returns {String} A unique id.
|
||
* @api public
|
||
*/
|
||
function yeast() {
|
||
var now = encode(+new Date());
|
||
|
||
if (now !== prev) return seed = 0, prev = now;
|
||
return now +'.'+ encode(seed++);
|
||
}
|
||
|
||
//
|
||
// Map each character to its index.
|
||
//
|
||
for (; i < length; i++) map[alphabet[i]] = i;
|
||
|
||
//
|
||
// Expose the `yeast`, `encode` and `decode` functions.
|
||
//
|
||
yeast.encode = encode;
|
||
yeast.decode = decode;
|
||
module.exports = yeast;
|
||
|
||
},{}],62:[function(require,module,exports){
|
||
|
||
},{}],63:[function(require,module,exports){
|
||
// shim for using process in browser
|
||
var process = module.exports = {};
|
||
|
||
// cached from whatever global is present so that test runners that stub it
|
||
// don't break things. But we need to wrap it in a try catch in case it is
|
||
// wrapped in strict mode code which doesn't define any globals. It's inside a
|
||
// function because try/catches deoptimize in certain engines.
|
||
|
||
var cachedSetTimeout;
|
||
var cachedClearTimeout;
|
||
|
||
function defaultSetTimout() {
|
||
throw new Error('setTimeout has not been defined');
|
||
}
|
||
function defaultClearTimeout () {
|
||
throw new Error('clearTimeout has not been defined');
|
||
}
|
||
(function () {
|
||
try {
|
||
if (typeof setTimeout === 'function') {
|
||
cachedSetTimeout = setTimeout;
|
||
} else {
|
||
cachedSetTimeout = defaultSetTimout;
|
||
}
|
||
} catch (e) {
|
||
cachedSetTimeout = defaultSetTimout;
|
||
}
|
||
try {
|
||
if (typeof clearTimeout === 'function') {
|
||
cachedClearTimeout = clearTimeout;
|
||
} else {
|
||
cachedClearTimeout = defaultClearTimeout;
|
||
}
|
||
} catch (e) {
|
||
cachedClearTimeout = defaultClearTimeout;
|
||
}
|
||
} ())
|
||
function runTimeout(fun) {
|
||
if (cachedSetTimeout === setTimeout) {
|
||
//normal enviroments in sane situations
|
||
return setTimeout(fun, 0);
|
||
}
|
||
// if setTimeout wasn't available but was latter defined
|
||
if ((cachedSetTimeout === defaultSetTimout || !cachedSetTimeout) && setTimeout) {
|
||
cachedSetTimeout = setTimeout;
|
||
return setTimeout(fun, 0);
|
||
}
|
||
try {
|
||
// when when somebody has screwed with setTimeout but no I.E. maddness
|
||
return cachedSetTimeout(fun, 0);
|
||
} catch(e){
|
||
try {
|
||
// When we are in I.E. but the script has been evaled so I.E. doesn't trust the global object when called normally
|
||
return cachedSetTimeout.call(null, fun, 0);
|
||
} catch(e){
|
||
// same as above but when it's a version of I.E. that must have the global object for 'this', hopfully our context correct otherwise it will throw a global error
|
||
return cachedSetTimeout.call(this, fun, 0);
|
||
}
|
||
}
|
||
|
||
|
||
}
|
||
function runClearTimeout(marker) {
|
||
if (cachedClearTimeout === clearTimeout) {
|
||
//normal enviroments in sane situations
|
||
return clearTimeout(marker);
|
||
}
|
||
// if clearTimeout wasn't available but was latter defined
|
||
if ((cachedClearTimeout === defaultClearTimeout || !cachedClearTimeout) && clearTimeout) {
|
||
cachedClearTimeout = clearTimeout;
|
||
return clearTimeout(marker);
|
||
}
|
||
try {
|
||
// when when somebody has screwed with setTimeout but no I.E. maddness
|
||
return cachedClearTimeout(marker);
|
||
} catch (e){
|
||
try {
|
||
// When we are in I.E. but the script has been evaled so I.E. doesn't trust the global object when called normally
|
||
return cachedClearTimeout.call(null, marker);
|
||
} catch (e){
|
||
// same as above but when it's a version of I.E. that must have the global object for 'this', hopfully our context correct otherwise it will throw a global error.
|
||
// Some versions of I.E. have different rules for clearTimeout vs setTimeout
|
||
return cachedClearTimeout.call(this, marker);
|
||
}
|
||
}
|
||
|
||
|
||
|
||
}
|
||
var queue = [];
|
||
var draining = false;
|
||
var currentQueue;
|
||
var queueIndex = -1;
|
||
|
||
function cleanUpNextTick() {
|
||
if (!draining || !currentQueue) {
|
||
return;
|
||
}
|
||
draining = false;
|
||
if (currentQueue.length) {
|
||
queue = currentQueue.concat(queue);
|
||
} else {
|
||
queueIndex = -1;
|
||
}
|
||
if (queue.length) {
|
||
drainQueue();
|
||
}
|
||
}
|
||
|
||
function drainQueue() {
|
||
if (draining) {
|
||
return;
|
||
}
|
||
var timeout = runTimeout(cleanUpNextTick);
|
||
draining = true;
|
||
|
||
var len = queue.length;
|
||
while(len) {
|
||
currentQueue = queue;
|
||
queue = [];
|
||
while (++queueIndex < len) {
|
||
if (currentQueue) {
|
||
currentQueue[queueIndex].run();
|
||
}
|
||
}
|
||
queueIndex = -1;
|
||
len = queue.length;
|
||
}
|
||
currentQueue = null;
|
||
draining = false;
|
||
runClearTimeout(timeout);
|
||
}
|
||
|
||
process.nextTick = function (fun) {
|
||
var args = new Array(arguments.length - 1);
|
||
if (arguments.length > 1) {
|
||
for (var i = 1; i < arguments.length; i++) {
|
||
args[i - 1] = arguments[i];
|
||
}
|
||
}
|
||
queue.push(new Item(fun, args));
|
||
if (queue.length === 1 && !draining) {
|
||
runTimeout(drainQueue);
|
||
}
|
||
};
|
||
|
||
// v8 likes predictible objects
|
||
function Item(fun, array) {
|
||
this.fun = fun;
|
||
this.array = array;
|
||
}
|
||
Item.prototype.run = function () {
|
||
this.fun.apply(null, this.array);
|
||
};
|
||
process.title = 'browser';
|
||
process.browser = true;
|
||
process.env = {};
|
||
process.argv = [];
|
||
process.version = ''; // empty string to avoid regexp issues
|
||
process.versions = {};
|
||
|
||
function noop() {}
|
||
|
||
process.on = noop;
|
||
process.addListener = noop;
|
||
process.once = noop;
|
||
process.off = noop;
|
||
process.removeListener = noop;
|
||
process.removeAllListeners = noop;
|
||
process.emit = noop;
|
||
process.prependListener = noop;
|
||
process.prependOnceListener = noop;
|
||
|
||
process.listeners = function (name) { return [] }
|
||
|
||
process.binding = function (name) {
|
||
throw new Error('process.binding is not supported');
|
||
};
|
||
|
||
process.cwd = function () { return '/' };
|
||
process.chdir = function (dir) {
|
||
throw new Error('process.chdir is not supported');
|
||
};
|
||
process.umask = function() { return 0; };
|
||
|
||
},{}]},{},[4]);
|