lib/utils.js
function(file) {
        var FileSystem = require('./fs.js');
        var ReadStream = require('./read_stream.js');

        if(FileSystem.fs.existFile(file)) {
            file = FileSystem.fs.pathResolve(file);
            var readStream = new ReadStream(file);

            return _.clone(readStream.trackStack);
        } else {
            return false;
        }
    }
function(file) {
        var FileSystem = require('./fs.js');
        var ReadStream = require('./read_stream.js');

        if(FileSystem.fs.existFile(file)) {
            file = FileSystem.fs.pathResolve(file);
            var readStream = new ReadStream(file);

            return _.clone(readStream.trackStack);
        } else {
            return false;
        }
    }
function ( file ) { var FileSystem = require ( './fs.js' ) ; var ReadStream = require ( './read_stream.js' ) ; if ( FileSystem . fs . existFile ( file ) ) { file = FileSystem . fs . pathResolve ( file ) ; var readStream = new ReadStream ( file ) ; return _ . clone ( readStream . trackStack ) ; } else { return false ; } }
track file stack
track file stack