objgrep
v0.0.1
Published
Find strings inside complicated javascript objects
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Search inside JavaScript objects
The command line has grep
, so why doesn't JavaScript?
If you work with big objects (such as those in client-side MVC libraries) you might wonder where certain properties end up living on your JS objects. Wouldn't it be nice to just grep the objects to find strings you know are in there somewhere?
Usage
Run this bookmarklet.
javascript:(function%20()%20%7Bvar%20script%20=%20document.createElement(%22script%22);script.src%20=%20%22https://raw.github.com/begriffs/objgrep/master/objgrep.js%22;document.getElementsByTagName(%22head%22)[0].appendChild(script);%7D());
It adds a .grep
method to every object which you can use in the Chrome
console. For example let's define a foo
object.
var foo = { beamish: 'thought', outgrabe: 10, toves: ['thou', 'borogoves', 'wabe'] };
After running the bookmarklet, you can grep the object:
foo.grep(/abe/);
// returns [".outgrabe", ".toves[2]"]
foo.grep(/\d+/);
// returns [".outgrabe", ".toves[0]", ".toves[1]", ".toves[2]"]
Options
Pass options as a hash in the second argument. For instance,
// searches with depth at most two
foo.grep(/abe/, {depth: 2});
// returns [".outgrabe"]
Caveats
- Clicking the bookmarklet when the debugger is paused in chrome will
continue script execution. Load objgrep in development (via
<script>
tags) or click the bookmarklet before hitting a breakpoint to work around this.
License
Objgrep is Copyright © 2013 Joe Nelson. It is free software, and may be redistributed under the terms specified in the LICENSE file.