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Publically configurable, centralised store of JS libs' API source code
JavaScript
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app
assets
.gitignore
VERSION
favicon.ico
index.html
readme.md

readme.md

JSAPI.info

A JS library source inspector. Libraries are specified in libs.json, e.g.

{
    "jquery": {
        "url": "https://ajax.googleapis.com/ajax/libs/jquery/{VERSION}/jquery.js",
        "default_version": "1.6.4",
        "versions": ["1", "1.1", "1.2", "1.3", "1.3.2", "1.4", "1.5", "1.6", "1.6.2", "1.6.4"],
        "get_real_version": "v(\\d+\\.\\d+\\.\\d+)",
        "look_in": ["jQuery.fn", "jQuery"],
        "mutate_names": [
            ["^\\$(?=\\.)", "jQuery"],
            ["^jQuery\\.prototype", "jQuery.fn"]
        ]
    } // ,...
}

Given the above configuration, we can now access /jquery/[VERSION/]METHOD_NAME in our browser. JSAPI.info will only source the jQuery source file remotely (from googleapis) if it hasn't already cached it locally.

THIS IS STILL UNDER DEVELOPMENT: Live @ jsapi.info.

How does it work?

It works by loading the library you specify into an instance of jsdom, and then evaluating the method you specify (in fully qualified form, e.g. jQuery.fn.css) within that instance. It then matches the toString() representation of that function (thanks V8!!) against the source of the library, thus determining its location. It's all operating under node.js, running via a beautiful configuration of nginx (primed to microcache!) on a linode box somewhere in London.

Installation / Running it

  1. cd jsapi-info/app
  2. npm install .
  3. node server
  4. Server should be running on :8001

Changelog

  • 1.0.0 - Gotta start somewhere
  • 1.1.0 - Add package.json to manage dependencies. Linkifies this.methodName calls with new LINK_MARKER syntax (incl. name of item, e.g. this.css, and the full name, e.g. jQuery.fn.css). Sorts methods in sidebar by similarity to current method name (done with similarity.js).
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