diff options
Diffstat (limited to 'node_modules/object-keys/implementation.js')
-rw-r--r-- | node_modules/object-keys/implementation.js | 122 |
1 files changed, 0 insertions, 122 deletions
diff --git a/node_modules/object-keys/implementation.js b/node_modules/object-keys/implementation.js deleted file mode 100644 index 5b32986..0000000 --- a/node_modules/object-keys/implementation.js +++ /dev/null @@ -1,122 +0,0 @@ -'use strict'; - -var keysShim; -if (!Object.keys) { - // modified from https://github.com/es-shims/es5-shim - var has = Object.prototype.hasOwnProperty; - var toStr = Object.prototype.toString; - var isArgs = require('./isArguments'); // eslint-disable-line global-require - var isEnumerable = Object.prototype.propertyIsEnumerable; - var hasDontEnumBug = !isEnumerable.call({ toString: null }, 'toString'); - var hasProtoEnumBug = isEnumerable.call(function () {}, 'prototype'); - var dontEnums = [ - 'toString', - 'toLocaleString', - 'valueOf', - 'hasOwnProperty', - 'isPrototypeOf', - 'propertyIsEnumerable', - 'constructor' - ]; - var equalsConstructorPrototype = function (o) { - var ctor = o.constructor; - return ctor && ctor.prototype === o; - }; - var excludedKeys = { - $applicationCache: true, - $console: true, - $external: true, - $frame: true, - $frameElement: true, - $frames: true, - $innerHeight: true, - $innerWidth: true, - $onmozfullscreenchange: true, - $onmozfullscreenerror: true, - $outerHeight: true, - $outerWidth: true, - $pageXOffset: true, - $pageYOffset: true, - $parent: true, - $scrollLeft: true, - $scrollTop: true, - $scrollX: true, - $scrollY: true, - $self: true, - $webkitIndexedDB: true, - $webkitStorageInfo: true, - $window: true - }; - var hasAutomationEqualityBug = (function () { - /* global window */ - if (typeof window === 'undefined') { return false; } - for (var k in window) { - try { - if (!excludedKeys['$' + k] && has.call(window, k) && window[k] !== null && typeof window[k] === 'object') { - try { - equalsConstructorPrototype(window[k]); - } catch (e) { - return true; - } - } - } catch (e) { - return true; - } - } - return false; - }()); - var equalsConstructorPrototypeIfNotBuggy = function (o) { - /* global window */ - if (typeof window === 'undefined' || !hasAutomationEqualityBug) { - return equalsConstructorPrototype(o); - } - try { - return equalsConstructorPrototype(o); - } catch (e) { - return false; - } - }; - - keysShim = function keys(object) { - var isObject = object !== null && typeof object === 'object'; - var isFunction = toStr.call(object) === '[object Function]'; - var isArguments = isArgs(object); - var isString = isObject && toStr.call(object) === '[object String]'; - var theKeys = []; - - if (!isObject && !isFunction && !isArguments) { - throw new TypeError('Object.keys called on a non-object'); - } - - var skipProto = hasProtoEnumBug && isFunction; - if (isString && object.length > 0 && !has.call(object, 0)) { - for (var i = 0; i < object.length; ++i) { - theKeys.push(String(i)); - } - } - - if (isArguments && object.length > 0) { - for (var j = 0; j < object.length; ++j) { - theKeys.push(String(j)); - } - } else { - for (var name in object) { - if (!(skipProto && name === 'prototype') && has.call(object, name)) { - theKeys.push(String(name)); - } - } - } - - if (hasDontEnumBug) { - var skipConstructor = equalsConstructorPrototypeIfNotBuggy(object); - - for (var k = 0; k < dontEnums.length; ++k) { - if (!(skipConstructor && dontEnums[k] === 'constructor') && has.call(object, dontEnums[k])) { - theKeys.push(dontEnums[k]); - } - } - } - return theKeys; - }; -} -module.exports = keysShim; |