mirror of
https://github.com/thangisme/notes.git
synced 2024-11-09 07:27:35 -05:00
425 lines
11 KiB
JavaScript
425 lines
11 KiB
JavaScript
'use strict';
|
|
|
|
var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();
|
|
|
|
function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
|
|
|
|
module.exports = function () {
|
|
return new IgnoreBase();
|
|
};
|
|
|
|
// A simple implementation of make-array
|
|
function make_array(subject) {
|
|
return Array.isArray(subject) ? subject : [subject];
|
|
}
|
|
|
|
var REGEX_BLANK_LINE = /^\s+$/;
|
|
var REGEX_LEADING_EXCAPED_EXCLAMATION = /^\\\!/;
|
|
var REGEX_LEADING_EXCAPED_HASH = /^\\#/;
|
|
var SLASH = '/';
|
|
|
|
var IgnoreBase = function () {
|
|
function IgnoreBase() {
|
|
_classCallCheck(this, IgnoreBase);
|
|
|
|
this._rules = [];
|
|
this._initCache();
|
|
}
|
|
|
|
_createClass(IgnoreBase, [{
|
|
key: '_initCache',
|
|
value: function _initCache() {
|
|
this._cache = {};
|
|
}
|
|
|
|
// @param {Array.<string>|string|Ignore} pattern
|
|
|
|
}, {
|
|
key: 'add',
|
|
value: function add(pattern) {
|
|
this._added = false;
|
|
|
|
if (typeof pattern === 'string') {
|
|
pattern = pattern.split(/\r?\n/g);
|
|
}
|
|
|
|
make_array(pattern).forEach(this._addPattern, this);
|
|
|
|
// Some rules have just added to the ignore,
|
|
// making the behavior changed.
|
|
if (this._added) {
|
|
this._initCache();
|
|
}
|
|
|
|
return this;
|
|
}
|
|
|
|
// legacy
|
|
|
|
}, {
|
|
key: 'addPattern',
|
|
value: function addPattern(pattern) {
|
|
return this.add(pattern);
|
|
}
|
|
}, {
|
|
key: '_addPattern',
|
|
value: function _addPattern(pattern) {
|
|
if (pattern instanceof IgnoreBase) {
|
|
this._rules = this._rules.concat(pattern._rules);
|
|
this._added = true;
|
|
return;
|
|
}
|
|
|
|
if (this._checkPattern(pattern)) {
|
|
var rule = this._createRule(pattern);
|
|
this._added = true;
|
|
this._rules.push(rule);
|
|
}
|
|
}
|
|
}, {
|
|
key: '_checkPattern',
|
|
value: function _checkPattern(pattern) {
|
|
// > A blank line matches no files, so it can serve as a separator for readability.
|
|
return pattern && typeof pattern === 'string' && !REGEX_BLANK_LINE.test(pattern)
|
|
|
|
// > A line starting with # serves as a comment.
|
|
&& pattern.indexOf('#') !== 0;
|
|
}
|
|
}, {
|
|
key: 'filter',
|
|
value: function filter(paths) {
|
|
var _this = this;
|
|
|
|
return make_array(paths).filter(function (path) {
|
|
return _this._filter(path);
|
|
});
|
|
}
|
|
}, {
|
|
key: 'createFilter',
|
|
value: function createFilter() {
|
|
var _this2 = this;
|
|
|
|
return function (path) {
|
|
return _this2._filter(path);
|
|
};
|
|
}
|
|
}, {
|
|
key: 'ignores',
|
|
value: function ignores(path) {
|
|
return !this._filter(path);
|
|
}
|
|
}, {
|
|
key: '_createRule',
|
|
value: function _createRule(pattern) {
|
|
var origin = pattern;
|
|
var negative = false;
|
|
|
|
// > An optional prefix "!" which negates the pattern;
|
|
if (pattern.indexOf('!') === 0) {
|
|
negative = true;
|
|
pattern = pattern.substr(1);
|
|
}
|
|
|
|
pattern = pattern
|
|
// > Put a backslash ("\") in front of the first "!" for patterns that begin with a literal "!", for example, `"\!important!.txt"`.
|
|
.replace(REGEX_LEADING_EXCAPED_EXCLAMATION, '!')
|
|
// > Put a backslash ("\") in front of the first hash for patterns that begin with a hash.
|
|
.replace(REGEX_LEADING_EXCAPED_HASH, '#');
|
|
|
|
var regex = make_regex(pattern, negative);
|
|
|
|
return {
|
|
origin: origin,
|
|
pattern: pattern,
|
|
negative: negative,
|
|
regex: regex
|
|
};
|
|
}
|
|
|
|
// @returns `Boolean` true if the `path` is NOT ignored
|
|
|
|
}, {
|
|
key: '_filter',
|
|
value: function _filter(path, slices) {
|
|
if (!path) {
|
|
return false;
|
|
}
|
|
|
|
if (path in this._cache) {
|
|
return this._cache[path];
|
|
}
|
|
|
|
if (!slices) {
|
|
// path/to/a.js
|
|
// ['path', 'to', 'a.js']
|
|
slices = path.split(SLASH);
|
|
|
|
// '/b/a.js' -> ['', 'b', 'a.js'] -> ['']
|
|
if (slices.length && !slices[0]) {
|
|
slices = slices.slice(1);
|
|
slices[0] = SLASH + slices[0];
|
|
}
|
|
}
|
|
|
|
slices.pop();
|
|
|
|
return this._cache[path] = slices.length
|
|
// > It is not possible to re-include a file if a parent directory of that file is excluded.
|
|
// If the path contains a parent directory, check the parent first
|
|
? this._filter(slices.join(SLASH) + SLASH, slices) && this._test(path)
|
|
|
|
// Or only test the path
|
|
: this._test(path);
|
|
}
|
|
|
|
// @returns {Boolean} true if a file is NOT ignored
|
|
|
|
}, {
|
|
key: '_test',
|
|
value: function _test(path) {
|
|
// Explicitly define variable type by setting matched to `0`
|
|
var matched = 0;
|
|
|
|
this._rules.forEach(function (rule) {
|
|
// if matched = true, then we only test negative rules
|
|
// if matched = false, then we test non-negative rules
|
|
if (!(matched ^ rule.negative)) {
|
|
matched = rule.negative ^ rule.regex.test(path);
|
|
}
|
|
});
|
|
|
|
return !matched;
|
|
}
|
|
}]);
|
|
|
|
return IgnoreBase;
|
|
}();
|
|
|
|
// > If the pattern ends with a slash,
|
|
// > it is removed for the purpose of the following description,
|
|
// > but it would only find a match with a directory.
|
|
// > In other words, foo/ will match a directory foo and paths underneath it,
|
|
// > but will not match a regular file or a symbolic link foo
|
|
// > (this is consistent with the way how pathspec works in general in Git).
|
|
// '`foo/`' will not match regular file '`foo`' or symbolic link '`foo`'
|
|
// -> ignore-rules will not deal with it, because it costs extra `fs.stat` call
|
|
// you could use option `mark: true` with `glob`
|
|
|
|
// '`foo/`' should not continue with the '`..`'
|
|
|
|
|
|
var DEFAULT_REPLACER_PREFIX = [
|
|
|
|
// > Trailing spaces are ignored unless they are quoted with backslash ("\")
|
|
[
|
|
// (a\ ) -> (a )
|
|
// (a ) -> (a)
|
|
// (a \ ) -> (a )
|
|
/\\?\s+$/, function (match) {
|
|
return match.indexOf('\\') === 0 ? ' ' : '';
|
|
}],
|
|
|
|
// replace (\ ) with ' '
|
|
[/\\\s/g, function () {
|
|
return ' ';
|
|
}],
|
|
|
|
// Escape metacharacters
|
|
// which is written down by users but means special for regular expressions.
|
|
|
|
// > There are 12 characters with special meanings:
|
|
// > - the backslash \,
|
|
// > - the caret ^,
|
|
// > - the dollar sign $,
|
|
// > - the period or dot .,
|
|
// > - the vertical bar or pipe symbol |,
|
|
// > - the question mark ?,
|
|
// > - the asterisk or star *,
|
|
// > - the plus sign +,
|
|
// > - the opening parenthesis (,
|
|
// > - the closing parenthesis ),
|
|
// > - and the opening square bracket [,
|
|
// > - the opening curly brace {,
|
|
// > These special characters are often called "metacharacters".
|
|
[/[\\\^$.|?*+()\[{]/g, function (match) {
|
|
return '\\' + match;
|
|
}],
|
|
|
|
// leading slash
|
|
[
|
|
|
|
// > A leading slash matches the beginning of the pathname.
|
|
// > For example, "/*.c" matches "cat-file.c" but not "mozilla-sha1/sha1.c".
|
|
// A leading slash matches the beginning of the pathname
|
|
/^\//, function () {
|
|
return '^';
|
|
}],
|
|
|
|
// replace special metacharacter slash after the leading slash
|
|
[/\//g, function () {
|
|
return '\\/';
|
|
}], [
|
|
// > A leading "**" followed by a slash means match in all directories.
|
|
// > For example, "**/foo" matches file or directory "foo" anywhere,
|
|
// > the same as pattern "foo".
|
|
// > "**/foo/bar" matches file or directory "bar" anywhere that is directly under directory "foo".
|
|
// Notice that the '*'s have been replaced as '\\*'
|
|
/^\^*\\\*\\\*\\\//,
|
|
|
|
// '**/foo' <-> 'foo'
|
|
function () {
|
|
return '^(?:.*\\/)?';
|
|
}]];
|
|
|
|
var DEFAULT_REPLACER_SUFFIX = [
|
|
// starting
|
|
[
|
|
// there will be no leading '/' (which has been replaced by section "leading slash")
|
|
// If starts with '**', adding a '^' to the regular expression also works
|
|
/^(?=[^\^])/, function () {
|
|
return !/\/(?!$)/.test(this)
|
|
// > If the pattern does not contain a slash /, Git treats it as a shell glob pattern
|
|
// Actually, if there is only a trailing slash, git also treats it as a shell glob pattern
|
|
? '(?:^|\\/)'
|
|
|
|
// > Otherwise, Git treats the pattern as a shell glob suitable for consumption by fnmatch(3)
|
|
: '^';
|
|
}],
|
|
|
|
// two globstars
|
|
[
|
|
// Use lookahead assertions so that we could match more than one `'/**'`
|
|
/\\\/\\\*\\\*(?=\\\/|$)/g,
|
|
|
|
// Zero, one or several directories
|
|
// should not use '*', or it will be replaced by the next replacer
|
|
|
|
// Check if it is not the last `'/**'`
|
|
function (match, index, str) {
|
|
return index + 6 < str.length
|
|
|
|
// case: /**/
|
|
// > A slash followed by two consecutive asterisks then a slash matches zero or more directories.
|
|
// > For example, "a/**/b" matches "a/b", "a/x/b", "a/x/y/b" and so on.
|
|
// '/**/'
|
|
? '(?:\\/[^\\/]+)*'
|
|
|
|
// case: /**
|
|
// > A trailing `"/**"` matches everything inside.
|
|
|
|
// #21: everything inside but it should not include the current folder
|
|
: '\\/.+';
|
|
}],
|
|
|
|
// intermediate wildcards
|
|
[
|
|
// Never replace escaped '*'
|
|
// ignore rule '\*' will match the path '*'
|
|
|
|
// 'abc.*/' -> go
|
|
// 'abc.*' -> skip this rule
|
|
/(^|[^\\]+)\\\*(?=.+)/g,
|
|
|
|
// '*.js' matches '.js'
|
|
// '*.js' doesn't match 'abc'
|
|
function (match, p1) {
|
|
return p1 + '[^\\/]*';
|
|
}],
|
|
|
|
// trailing wildcard
|
|
[/(\^|\\\/)?\\\*$/, function (match, p1) {
|
|
return (p1
|
|
// '\^':
|
|
// '/*' does not match ''
|
|
// '/*' does not match everything
|
|
|
|
// '\\\/':
|
|
// 'abc/*' does not match 'abc/'
|
|
? p1 + '[^/]+'
|
|
|
|
// 'a*' matches 'a'
|
|
// 'a*' matches 'aa'
|
|
: '[^/]*') + '(?=$|\\/$)';
|
|
}], [
|
|
// unescape
|
|
/\\\\\\/g, function () {
|
|
return '\\';
|
|
}]];
|
|
|
|
var POSITIVE_REPLACERS = [].concat(DEFAULT_REPLACER_PREFIX, [
|
|
|
|
// 'f'
|
|
// matches
|
|
// - /f(end)
|
|
// - /f/
|
|
// - (start)f(end)
|
|
// - (start)f/
|
|
// doesn't match
|
|
// - oof
|
|
// - foo
|
|
// pseudo:
|
|
// -> (^|/)f(/|$)
|
|
|
|
// ending
|
|
[
|
|
// 'js' will not match 'js.'
|
|
// 'ab' will not match 'abc'
|
|
/(?:[^*\/])$/,
|
|
|
|
// 'js*' will not match 'a.js'
|
|
// 'js/' will not match 'a.js'
|
|
// 'js' will match 'a.js' and 'a.js/'
|
|
function (match) {
|
|
return match + '(?=$|\\/)';
|
|
}]], DEFAULT_REPLACER_SUFFIX);
|
|
|
|
var NEGATIVE_REPLACERS = [].concat(DEFAULT_REPLACER_PREFIX, [
|
|
|
|
// #24
|
|
// The MISSING rule of [gitignore docs](https://git-scm.com/docs/gitignore)
|
|
// A negative pattern without a trailing wildcard should not
|
|
// re-include the things inside that directory.
|
|
|
|
// eg:
|
|
// ['node_modules/*', '!node_modules']
|
|
// should ignore `node_modules/a.js`
|
|
[/(?:[^*\/])$/, function (match) {
|
|
return match + '(?=$|\\/$)';
|
|
}]], DEFAULT_REPLACER_SUFFIX);
|
|
|
|
// A simple cache, because an ignore rule only has only one certain meaning
|
|
var cache = {};
|
|
|
|
// @param {pattern}
|
|
function make_regex(pattern, negative) {
|
|
var r = cache[pattern];
|
|
if (r) {
|
|
return r;
|
|
}
|
|
|
|
var replacers = negative ? NEGATIVE_REPLACERS : POSITIVE_REPLACERS;
|
|
|
|
var source = replacers.reduce(function (prev, current) {
|
|
return prev.replace(current[0], current[1].bind(pattern));
|
|
}, pattern);
|
|
|
|
return cache[pattern] = new RegExp(source, 'i');
|
|
}
|
|
|
|
// Windows
|
|
// --------------------------------------------------------------
|
|
/* istanbul ignore if */
|
|
if (process.env.IGNORE_TEST_WIN32 || process.platform === 'win32') {
|
|
|
|
var filter = IgnoreBase.prototype._filter;
|
|
var make_posix = function make_posix(str) {
|
|
return (/^\\\\\?\\/.test(str) || /[^\x00-\x80]+/.test(str) ? str : str.replace(/\\/g, '/')
|
|
);
|
|
};
|
|
|
|
IgnoreBase.prototype._filter = function (path, slices) {
|
|
path = make_posix(path);
|
|
return filter.call(this, path, slices);
|
|
};
|
|
}
|