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