Comments on: Namespaced made easy with Prototype

By: aemkei

aemkei — Mon, 11 Feb 2008 10:41:41 +0000

var Namespace = { separator: ".", create: function(space){ return space.split( Namespace.separator ).inject( window, function(parent, child) { return parent[child] = parent[child] || {}; }) } };

By: sentientholon

sentientholon — Thu, 07 Feb 2008 14:29:11 +0000

It’s a great technique, but it SO doesn’t belong in the String class! Have a function like Namespace.create(‘foo.bar.baz.quux’) that does the same thing and returns a reference to the innermost namespace created.

By: jdalton

jdalton — Mon, 04 Feb 2008 15:47:03 +0000

Alternately this version http://pastie.caboo.se/147291 allows for extending exisitng object namespaces as well as setting a custom separator.

By: jdalton

jdalton — Mon, 04 Feb 2008 15:05:42 +0000

Awesome snippet. I need to use inject() more often.
Here is a pastied cleaner version of the code fix for the bug Aemkei pointed out: http://pastie.caboo.se/147274

By: aemkei

aemkei — Mon, 04 Feb 2008 13:13:53 +0000

We should check if an object is already exist in our namespace chain.
This wont work:

"foo.bar.baz".namespace(); "foo.bar.bay".namespace(); console.log(foo.bar.baz); // undefined

Fixed code:

String.prototype.namespace = function(separator){ this.split(separator || '.').inject(window, function(parent, child) { var o = parent[child] = parent[child] || { }; return o; }) }

By: remy

remy — Mon, 04 Feb 2008 12:36:55 +0000

Doh – code got cut off:

String.prototype.namespace = function(separator) { var ns = this.split(separator || '.'), p = window; for (i = 0; i < ns.length; i++) { p = p[ns[i]] = {}; } };

By: remy

remy — Mon, 04 Feb 2008 12:35:58 +0000

Alternatively for those not using Prototype – since namespaces are definitely worth using:

String.prototype.namespace = function(separator) { var ns = this.split(separator || '.'), p = window; for (i = 0; i