MrShi
4 天以前 34437176cfbc2dc30f786601f5abf27d605e2c15
1
2
3
4
5
6
7
8
9
10
11
12
13
14
'use strict';
var uncurryThis = require('../internals/function-uncurry-this-clause');
var aCallable = require('../internals/a-callable');
var NATIVE_BIND = require('../internals/function-bind-native');
 
var bind = uncurryThis(uncurryThis.bind);
 
// optional / simple context binding
module.exports = function (fn, that) {
  aCallable(fn);
  return that === undefined ? fn : NATIVE_BIND ? bind(fn, that) : function (/* ...args */) {
    return fn.apply(that, arguments);
  };
};