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authorFlorian Dold <florian.dold@gmail.com>2018-09-20 02:56:13 +0200
committerFlorian Dold <florian.dold@gmail.com>2018-09-20 02:56:13 +0200
commitbbff7403fbf46f9ad92240ac213df8d30ef31b64 (patch)
treec58400ec5124da1c7d56b01aea83309f80a56c3b /node_modules/object-keys/index.js
parent003fb34971cf63466184351b4db5f7c67df4f444 (diff)
update packages
Diffstat (limited to 'node_modules/object-keys/index.js')
-rw-r--r--node_modules/object-keys/index.js141
1 files changed, 140 insertions, 1 deletions
diff --git a/node_modules/object-keys/index.js b/node_modules/object-keys/index.js
index f5b24b6d7..3f2463eb8 100644
--- a/node_modules/object-keys/index.js
+++ b/node_modules/object-keys/index.js
@@ -1,2 +1,141 @@
-module.exports = Object.keys || require('./shim');
+'use strict';
+// modified from https://github.com/es-shims/es5-shim
+var has = Object.prototype.hasOwnProperty;
+var toStr = Object.prototype.toString;
+var slice = Array.prototype.slice;
+var isArgs = require('./isArguments');
+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,
+ $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;
+ }
+};
+
+var 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;
+};
+
+keysShim.shim = function shimObjectKeys() {
+ if (Object.keys) {
+ var keysWorksWithArguments = (function () {
+ // Safari 5.0 bug
+ return (Object.keys(arguments) || '').length === 2;
+ }(1, 2));
+ if (!keysWorksWithArguments) {
+ var originalKeys = Object.keys;
+ Object.keys = function keys(object) { // eslint-disable-line func-name-matching
+ if (isArgs(object)) {
+ return originalKeys(slice.call(object));
+ } else {
+ return originalKeys(object);
+ }
+ };
+ }
+ } else {
+ Object.keys = keysShim;
+ }
+ return Object.keys || keysShim;
+};
+
+module.exports = keysShim;