| 1 | # acorn-globals
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| 2 |
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| 3 | Detect global variables in JavaScript using acorn
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| 4 |
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| 5 | [Get supported acorn-globals with the Tidelift Subscription](https://tidelift.com/subscription/pkg/npm-acorn_globals?utm_source=npm-acorn-globals&utm_medium=referral&utm_campaign=readme)
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| 6 |
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| 7 | [](https://travis-ci.org/ForbesLindesay/acorn-globals)
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| 8 | [](https://david-dm.org/ForbesLindesay/acorn-globals)
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| 9 | [](https://www.npmjs.org/package/acorn-globals)
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| 10 |
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| 11 | ## Installation
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| 12 |
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| 13 | npm install acorn-globals
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| 14 |
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| 15 | ## Usage
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| 16 |
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| 17 | detect.js
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| 18 |
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| 19 | ```js
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| 20 | var fs = require('fs');
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| 21 | var detect = require('acorn-globals');
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| 22 |
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| 23 | var src = fs.readFileSync(__dirname + '/input.js', 'utf8');
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| 24 |
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| 25 | var scope = detect(src);
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| 26 | console.dir(scope);
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| 27 | ```
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| 28 |
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| 29 | input.js
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| 30 |
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| 31 | ```js
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| 32 | var x = 5;
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| 33 | var y = 3, z = 2;
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| 34 |
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| 35 | w.foo();
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| 36 | w = 2;
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| 37 |
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| 38 | RAWR=444;
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| 39 | RAWR.foo();
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| 40 |
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| 41 | BLARG=3;
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| 42 |
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| 43 | foo(function () {
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| 44 | var BAR = 3;
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| 45 | process.nextTick(function (ZZZZZZZZZZZZ) {
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| 46 | console.log('beep boop');
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| 47 | var xyz = 4;
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| 48 | x += 10;
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| 49 | x.zzzzzz;
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| 50 | ZZZ=6;
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| 51 | });
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| 52 | function doom () {
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| 53 | }
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| 54 | ZZZ.foo();
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| 55 |
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| 56 | });
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| 57 |
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| 58 | console.log(xyz);
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| 59 | ```
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| 60 |
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| 61 | output:
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| 62 |
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| 63 | ```
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| 64 | $ node example/detect.js
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| 65 | [ { name: 'BLARG', nodes: [ [Object] ] },
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| 66 | { name: 'RAWR', nodes: [ [Object], [Object] ] },
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| 67 | { name: 'ZZZ', nodes: [ [Object], [Object] ] },
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| 68 | { name: 'console', nodes: [ [Object], [Object] ] },
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| 69 | { name: 'foo', nodes: [ [Object] ] },
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| 70 | { name: 'process', nodes: [ [Object] ] },
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| 71 | { name: 'w', nodes: [ [Object], [Object] ] },
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| 72 | { name: 'xyz', nodes: [ [Object] ] } ]
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| 73 | ```
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| 74 |
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| 75 | ## Security contact information
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| 76 |
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| 77 | To report a security vulnerability, please use the [Tidelift security contact](https://tidelift.com/security). Tidelift will coordinate the fix and disclosure.
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| 78 |
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| 79 | ## License
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| 80 |
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| 81 | MIT
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