Detect global variables in JavaScript using acorn
npm install acorn-globalsDetect 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