detective-less 
Find the dependencies of a less file
npm install --save detective-less
This is a fork of a package by mrjoelkemp given a lack of a less detective, it is the counterpart to detective, detective-amd, detective-sass, detective-scss and detective-es6.
- The AST is generated using the gonzales-pe parser.
Usage
var detective = require('detective-less');
var content = fs.readFileSync('styles.less', 'utf8');
// list of imported file names (ex: 'foo.less', 'foo', etc)
var dependencies = detective(content);License
MIT