31 lines
No EOL
966 B
JavaScript
Executable file
31 lines
No EOL
966 B
JavaScript
Executable file
'use strict';
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var aFunction = require('./_a-function')
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, isObject = require('./_is-object')
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, invoke = require('./_invoke')
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, arraySlice = [].slice
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, factories = {};
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var construct = function(F, len, args){
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if(!(len in factories)){
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for(var n = [], i = 0; i < len; i++)n[i] = 'a[' + i + ']';
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factories[len] = Function('F,a', 'return new F(' + n.join(',') + ')');
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} return factories[len](F, args);
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};
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module.exports = Function.bind || function bind(that /*, args... */){
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var fn = aFunction(this)
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, partArgs = arraySlice.call(arguments, 1);
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var bound = function(/* args... */){
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var args = partArgs.concat(arraySlice.call(arguments));
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return this instanceof bound ? construct(fn, args.length, args) : invoke(fn, args, that);
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};
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if(isObject(fn.prototype))bound.prototype = fn.prototype;
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return bound;
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};
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//////////////////
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// WEBPACK FOOTER
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// ./~/core-js/modules/_bind.js
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// module id = 880
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// module chunks = 4
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