50 lines
1.4 KiB
JavaScript
50 lines
1.4 KiB
JavaScript
|
/*
|
||
|
|
* findup-sync
|
||
|
|
* https://github.com/cowboy/node-findup-sync
|
||
|
|
*
|
||
|
|
* Copyright (c) 2013 "Cowboy" Ben Alman
|
||
|
|
* Licensed under the MIT license.
|
||
|
|
*/
|
||
|
|
|
||
|
|
'use strict';
|
||
|
|
|
||
|
|
// Nodejs libs.
|
||
|
|
var path = require('path');
|
||
|
|
|
||
|
|
// External libs.
|
||
|
|
var glob = require('glob');
|
||
|
|
|
||
|
|
// Search for a filename in the given directory or all parent directories.
|
||
|
|
module.exports = function(patterns, options) {
|
||
|
|
// Normalize patterns to an array.
|
||
|
|
if (!Array.isArray(patterns)) { patterns = [patterns]; }
|
||
|
|
// Create globOptions so that it can be modified without mutating the
|
||
|
|
// original object.
|
||
|
|
var globOptions = Object.create(options || {});
|
||
|
|
globOptions.maxDepth = 1;
|
||
|
|
globOptions.cwd = path.resolve(globOptions.cwd || '.');
|
||
|
|
|
||
|
|
var files, lastpath;
|
||
|
|
do {
|
||
|
|
// Search for files matching patterns.
|
||
|
|
files = patterns.map(function(pattern) {
|
||
|
|
return glob.sync(pattern, globOptions);
|
||
|
|
}).reduce(function(a, b) {
|
||
|
|
return a.concat(b);
|
||
|
|
}).filter(function(entry, index, arr) {
|
||
|
|
return index === arr.indexOf(entry);
|
||
|
|
});
|
||
|
|
// Return file if found.
|
||
|
|
if (files.length > 0) {
|
||
|
|
return path.resolve(path.join(globOptions.cwd, files[0]));
|
||
|
|
}
|
||
|
|
// Go up a directory.
|
||
|
|
lastpath = globOptions.cwd;
|
||
|
|
globOptions.cwd = path.resolve(globOptions.cwd, '..');
|
||
|
|
// If parentpath is the same as basedir, we can't go any higher.
|
||
|
|
} while (globOptions.cwd !== lastpath);
|
||
|
|
|
||
|
|
// No files were found!
|
||
|
|
return null;
|
||
|
|
};
|