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77 lines
1.5 KiB
Markdown
77 lines
1.5 KiB
Markdown
6 years ago
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# acorn-globals
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Detect global variables in JavaScript using acorn
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[](https://travis-ci.org/ForbesLindesay/acorn-globals)
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[](https://david-dm.org/ForbesLindesay/acorn-globals)
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[](https://www.npmjs.org/package/acorn-globals)
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## Installation
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npm install acorn-globals
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## Usage
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detect.js
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```js
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var fs = require('fs');
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var detect = require('acorn-globals');
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var src = fs.readFileSync(__dirname + '/input.js', 'utf8');
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var scope = detect(src);
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console.dir(scope);
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```
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input.js
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```js
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var x = 5;
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var y = 3, z = 2;
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w.foo();
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w = 2;
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RAWR=444;
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RAWR.foo();
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BLARG=3;
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foo(function () {
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var BAR = 3;
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process.nextTick(function (ZZZZZZZZZZZZ) {
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console.log('beep boop');
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var xyz = 4;
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x += 10;
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x.zzzzzz;
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ZZZ=6;
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});
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function doom () {
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}
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ZZZ.foo();
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});
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console.log(xyz);
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```
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output:
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```
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$ node example/detect.js
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[ { name: 'BLARG', nodes: [ [Object] ] },
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{ name: 'RAWR', nodes: [ [Object], [Object] ] },
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{ name: 'ZZZ', nodes: [ [Object], [Object] ] },
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{ name: 'console', nodes: [ [Object], [Object] ] },
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{ name: 'foo', nodes: [ [Object] ] },
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{ name: 'process', nodes: [ [Object] ] },
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{ name: 'w', nodes: [ [Object], [Object] ] },
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{ name: 'xyz', nodes: [ [Object] ] } ]
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```
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## License
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MIT
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