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JavaScript Editor contributions [message #660145]

Wed, 16 March 2011 23:46

Eclipse User

Hi guys,

I'd really like to get the JS Editor in WTP to pickup a few more JS patterns than it curently does, e.g. the module pattern.

If I have:

var someVar = 1;
function someFn = function() {
  // empty
}

They both appear in the outline. However if I wrap those two in a module with its own scope like so:

namespace.module = (function() {
var someVar = 1;
function someFn = function() {
  // empty
}
}());

The outline is now empty.

I've had a quick look at the src but a bit lost already, can anyone point me in the right direction?

Re: JavaScript Editor contributions [message #660146 is a reply to message #660145]

Wed, 16 March 2011 23:54

Eclipse User

org.eclipse.wst.jsdt.core.infer.InferEngine is the default visitor run against the AST to divine what should be treated as a org.eclipse.wst.jsdt.core.infer.InferredType, InferredMethod, or InferredAttribute. The org.eclipse.wst.jsdt.core.inferrenceSupport extension point allows other engines to be run, but something as generic as this pattern would belong in the default. This has been discussed in bugs 298062 and 338540, but unless we also have offsets in the source for all of the inferred members, we can't support the expected refactoring and hyper-linking later on.

https://bugs.eclipse.org/bugs/show_bug.cgi?id=298062
https://bugs.eclipse.org/bugs/show_bug.cgi?id=338540

[Updated on: Thu, 17 March 2011 00:00] by Moderator

Re: JavaScript Editor contributions [message #660670 is a reply to message #660145]

Sun, 20 March 2011 20:25

Eclipse User

Is there any way we can use annotations to have JSDT pickup what is inferred, so that we can benefit from the Outline Explorer?

Re: JavaScript Editor contributions [message #660721 is a reply to message #660670]

Mon, 21 March 2011 08:13

Eclipse User

What do you mean by "annotations"?

Re: JavaScript Editor contributions [message #665086 is a reply to message #660670]

Wed, 13 April 2011 04:45

Eclipse User

Matt, I've recently found a workaround for module pattern to work in JSDT using just JSDoc. Check out this code snippet:

/**
 * @type module
 * @memberOf __module
 */
var module = (/** @constructor */ function () {
	function innerFunc() {
		
	}
	
	return {
		/**
		 * @memberOf module
		 * @returns String
		 */
		method: function() {
			return "hello";
		}
	};
})();

1. @memberOf __module and /** @constructor */ at closure function used to display inner functions and variables inside module closure (i.e. innerFunc()). Two underscores in type name are just my naming conventions for types that doesn't exists, they are used just for outline.

2. @type module is mandatory and should be the same as your real module name.

3. @memberOf module binds return object's method to your module/type. You don't need to put @memberOf module near every return function, the first one is OK.

And here's a template I use to create modules:

/**
 * @type ${name}
 * @memberOf __${name}
 */
var ${name} = (/** @constructor */ function () {
	${cursor}
})();

Re: JavaScript Editor contributions [message #665160 is a reply to message #660145]

Wed, 13 April 2011 09:45

Eclipse User

On 03/17/2011 04:46 AM, Matt wrote:
> Hi guys,
>
> I'd really like to get the JS Editor in WTP to pickup a few more JS
> patterns than it curently does, e.g. the module pattern.

Yeah, it's kinda annoying that you get punished for following what
Douglas Crockford recommends.

Anyway here's the bug where you can vote or contribute a patch:
https://bugs.eclipse.org/bugs/show_bug.cgi?id=338336

Cheers
Philippe

Re: JavaScript Editor contributions [message #665434 is a reply to message #665160]

Thu, 14 April 2011 11:25

Eclipse User

I'm not sure that "punish" is the right word. I'm even less sure that the bug you've linked to is actually the same issue Matt's running into.

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