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Files
mywebsite/node_modules/es5-ext/object/map-keys.js

16 lines
372 B
JavaScript

'use strict';
var callable = require('./valid-callable')
, forEach = require('./for-each')
, call = Function.prototype.call;
module.exports = function (obj, cb/*, thisArg*/) {
var o = {}, thisArg = arguments[2];
callable(cb);
forEach(obj, function (value, key, obj, index) {
o[call.call(cb, thisArg, key, value, this, index)] = value;
}, obj);
return o;
};