notes/node_modules/require-from-string/index.js

31 lines
734 B
JavaScript

'use strict';
var Module = require('module');
var path = require('path');
module.exports = function requireFromString(code, filename, opts) {
if (typeof filename === 'object') {
opts = filename;
filename = undefined;
}
opts = opts || {};
filename = filename || '';
opts.appendPaths = opts.appendPaths || [];
opts.prependPaths = opts.prependPaths || [];
if (typeof code !== 'string') {
throw new Error('code must be a string, not ' + typeof code);
}
var paths = Module._nodeModulePaths(path.dirname(filename));
var m = new Module(filename, module.parent);
m.filename = filename;
m.paths = [].concat(opts.prependPaths).concat(paths).concat(opts.appendPaths);
m._compile(code, filename);
return m.exports;
};