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Diffstat (limited to 'node_modules/es5-ext/object/_iterate.js')
-rw-r--r-- | node_modules/es5-ext/object/_iterate.js | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/node_modules/es5-ext/object/_iterate.js b/node_modules/es5-ext/object/_iterate.js new file mode 100644 index 000000000..1f0c85fd4 --- /dev/null +++ b/node_modules/es5-ext/object/_iterate.js @@ -0,0 +1,30 @@ +// Internal method, used by iteration functions. +// Calls a function for each key-value pair found in object +// Optionally takes compareFn to iterate object in specific order + +"use strict"; + +var callable = require("./valid-callable") + , value = require("./valid-value") + , bind = Function.prototype.bind + , call = Function.prototype.call + , keys = Object.keys + , objPropertyIsEnumerable = Object.prototype.propertyIsEnumerable; + +module.exports = function (method, defVal) { + return function (obj, cb /*, thisArg, compareFn*/) { + var list, thisArg = arguments[2], compareFn = arguments[3]; + obj = Object(value(obj)); + callable(cb); + + list = keys(obj); + if (compareFn) { + list.sort(typeof compareFn === "function" ? bind.call(compareFn, obj) : undefined); + } + if (typeof method !== "function") method = list[method]; + return call.call(method, list, function (key, index) { + if (!objPropertyIsEnumerable.call(obj, key)) return defVal; + return call.call(cb, thisArg, obj[key], key, obj, index); + }); + }; +}; |