diff options
Diffstat (limited to 'deps/npm/node_modules/inherits/inherits_browser.js')
-rw-r--r-- | deps/npm/node_modules/inherits/inherits_browser.js | 32 |
1 files changed, 18 insertions, 14 deletions
diff --git a/deps/npm/node_modules/inherits/inherits_browser.js b/deps/npm/node_modules/inherits/inherits_browser.js index c1e78a75e6..86bbb3dc29 100644 --- a/deps/npm/node_modules/inherits/inherits_browser.js +++ b/deps/npm/node_modules/inherits/inherits_browser.js @@ -1,23 +1,27 @@ if (typeof Object.create === 'function') { // implementation from standard node.js 'util' module module.exports = function inherits(ctor, superCtor) { - ctor.super_ = superCtor - ctor.prototype = Object.create(superCtor.prototype, { - constructor: { - value: ctor, - enumerable: false, - writable: true, - configurable: true - } - }); + if (superCtor) { + ctor.super_ = superCtor + ctor.prototype = Object.create(superCtor.prototype, { + constructor: { + value: ctor, + enumerable: false, + writable: true, + configurable: true + } + }) + } }; } else { // old school shim for old browsers module.exports = function inherits(ctor, superCtor) { - ctor.super_ = superCtor - var TempCtor = function () {} - TempCtor.prototype = superCtor.prototype - ctor.prototype = new TempCtor() - ctor.prototype.constructor = ctor + if (superCtor) { + ctor.super_ = superCtor + var TempCtor = function () {} + TempCtor.prototype = superCtor.prototype + ctor.prototype = new TempCtor() + ctor.prototype.constructor = ctor + } } } |