diff options
Diffstat (limited to 'node_modules/es5-ext/array/_sub-array-dummy-safe.js')
-rw-r--r-- | node_modules/es5-ext/array/_sub-array-dummy-safe.js | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/node_modules/es5-ext/array/_sub-array-dummy-safe.js b/node_modules/es5-ext/array/_sub-array-dummy-safe.js new file mode 100644 index 000000000..80e3b3c58 --- /dev/null +++ b/node_modules/es5-ext/array/_sub-array-dummy-safe.js @@ -0,0 +1,25 @@ +"use strict"; + +var setPrototypeOf = require("../object/set-prototype-of") + , isExtensible = require("./_is-extensible"); + +module.exports = (function () { + var SubArray; + + if (isExtensible) return require("./_sub-array-dummy"); + + if (!setPrototypeOf) return null; + SubArray = function () { + var arr = Array.apply(this, arguments); + setPrototypeOf(arr, SubArray.prototype); + return arr; + }; + setPrototypeOf(SubArray, Array); + SubArray.prototype = Object.create(Array.prototype, { + constructor: { value: SubArray, +enumerable: false, +writable: true, + configurable: true } + }); + return SubArray; +}()); |