Version 1

[yaffs-website] / node_modules / core-js / modules / _bind.js

diff --git a/node_modules/core-js/modules/_bind.js b/node_modules/core-js/modules/_bind.js
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+++ b/node_modules/core-js/modules/_bind.js
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+'use strict';
+var aFunction  = require('./_a-function')
+  , isObject   = require('./_is-object')
+  , invoke     = require('./_invoke')
+  , arraySlice = [].slice
+  , factories  = {};
+
+var construct = function(F, len, args){
+  if(!(len in factories)){
+    for(var n = [], i = 0; i < len; i++)n[i] = 'a[' + i + ']';
+    factories[len] = Function('F,a', 'return new F(' + n.join(',') + ')');
+  } return factories[len](F, args);
+};
+
+module.exports = Function.bind || function bind(that /*, args... */){
+  var fn       = aFunction(this)
+    , partArgs = arraySlice.call(arguments, 1);
+  var bound = function(/* args... */){
+    var args = partArgs.concat(arraySlice.call(arguments));
+    return this instanceof bound ? construct(fn, args.length, args) : invoke(fn, args, that);
+  };
+  if(isObject(fn.prototype))bound.prototype = fn.prototype;
+  return bound;
+};
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