Detect global variables in JavaScript using acorn
Get supported acorn-globals with the Tidelift Subscription
npm install acorn-globals
detect.js
```js var fs = require('fs'); var detect = require('acorn-globals');
var src = fs.readFileSync(__dirname + '/input.js', 'utf8');
var scope = detect(src); console.dir(scope); ```
input.js
```js var x = 5; var y = 3, z = 2;
w.foo(); w = 2;
RAWR=444; RAWR.foo();
BLARG=3;
foo(function () { var BAR = 3; process.nextTick(function (ZZZZZZZZZZZZ) { console.log('beep boop'); var xyz = 4; x += 10; x.zzzzzz; ZZZ=6; }); function doom () { } ZZZ.foo();
});
console.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] ] } ]
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MIT