mirror of https://github.com/jkjoy/sunpeiwen.git
82 lines
2.1 KiB
Markdown
82 lines
2.1 KiB
Markdown
# acorn-globals
|
|
|
|
Detect global variables in JavaScript using acorn
|
|
|
|
[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)
|
|
|
|
[](https://github.com/ForbesLindesay/acorn-globals/actions?query=workflow%3APublish%20Canary+branch%3Amaster)
|
|
[](https://rollingversions.com/ForbesLindesay/acorn-globals)
|
|
[](https://www.npmjs.com/package/acorn-globals)
|
|
|
|
## Installation
|
|
|
|
npm install acorn-globals
|
|
|
|
## Usage
|
|
|
|
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] ] } ]
|
|
```
|
|
|
|
## Security contact information
|
|
|
|
To report a security vulnerability, please use the [Tidelift security contact](https://tidelift.com/security). Tidelift will coordinate the fix and disclosure.
|
|
|
|
## License
|
|
|
|
MIT
|