diff options
Diffstat (limited to 'node_modules/bluebird/js/release/es5.js')
-rw-r--r-- | node_modules/bluebird/js/release/es5.js | 80 |
1 files changed, 80 insertions, 0 deletions
diff --git a/node_modules/bluebird/js/release/es5.js b/node_modules/bluebird/js/release/es5.js new file mode 100644 index 000000000..ea41d5a56 --- /dev/null +++ b/node_modules/bluebird/js/release/es5.js @@ -0,0 +1,80 @@ +var isES5 = (function(){ + "use strict"; + return this === undefined; +})(); + +if (isES5) { + module.exports = { + freeze: Object.freeze, + defineProperty: Object.defineProperty, + getDescriptor: Object.getOwnPropertyDescriptor, + keys: Object.keys, + names: Object.getOwnPropertyNames, + getPrototypeOf: Object.getPrototypeOf, + isArray: Array.isArray, + isES5: isES5, + propertyIsWritable: function(obj, prop) { + var descriptor = Object.getOwnPropertyDescriptor(obj, prop); + return !!(!descriptor || descriptor.writable || descriptor.set); + } + }; +} else { + var has = {}.hasOwnProperty; + var str = {}.toString; + var proto = {}.constructor.prototype; + + var ObjectKeys = function (o) { + var ret = []; + for (var key in o) { + if (has.call(o, key)) { + ret.push(key); + } + } + return ret; + }; + + var ObjectGetDescriptor = function(o, key) { + return {value: o[key]}; + }; + + var ObjectDefineProperty = function (o, key, desc) { + o[key] = desc.value; + return o; + }; + + var ObjectFreeze = function (obj) { + return obj; + }; + + var ObjectGetPrototypeOf = function (obj) { + try { + return Object(obj).constructor.prototype; + } + catch (e) { + return proto; + } + }; + + var ArrayIsArray = function (obj) { + try { + return str.call(obj) === "[object Array]"; + } + catch(e) { + return false; + } + }; + + module.exports = { + isArray: ArrayIsArray, + keys: ObjectKeys, + names: ObjectKeys, + defineProperty: ObjectDefineProperty, + getDescriptor: ObjectGetDescriptor, + freeze: ObjectFreeze, + getPrototypeOf: ObjectGetPrototypeOf, + isES5: isES5, + propertyIsWritable: function() { + return true; + } + }; +} |