acorn-globals

Detect global variables in JavaScript using acorn

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Installation

npm install acorn-globals

Usage

detect.js

1var fs = require('fs');
2var detect = require('acorn-globals');
3
4var src = fs.readFileSync(__dirname + '/input.js', 'utf8');
5
6var scope = detect(src);
7console.dir(scope);

input.js

1var x = 5;
2var y = 3, z = 2;
3
4w.foo();
5w = 2;
6
7RAWR=444;
8RAWR.foo();
9
10BLARG=3;
11
12foo(function () {
13    var BAR = 3;
14    process.nextTick(function (ZZZZZZZZZZZZ) {
15        console.log('beep boop');
16        var xyz = 4;
17        x += 10;
18        x.zzzzzz;
19        ZZZ=6;
20    });
21    function doom () {
22    }
23    ZZZ.foo();
24
25});
26
27console.log(xyz);

output:

$ node example/detect.js
[ { name: 'BLARG', nodes: [ [Object] ] },
  { name: 'RAWR', nodes: [ [Object], [Object] ] },
  { name: 'ZZZ', nodes: [ [Object], [Object] ] },
  { name: 'console', nodes: [ [Object], [Object] ] },
  { name: 'foo', nodes: [ [Object] ] },
  { name: 'process', nodes: [ [Object] ] },
  { name: 'w', nodes: [ [Object], [Object] ] },
  { name: 'xyz', nodes: [ [Object] ] } ]

Security contact information

To report a security vulnerability, please use the Tidelift security contact. Tidelift will coordinate the fix and disclosure.

License

MIT