84 lines
2.0 KiB
JavaScript
84 lines
2.0 KiB
JavaScript
/**
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* @license
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* Copyright Google Inc. All Rights Reserved.
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*
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* Use of this source code is governed by an MIT-style license that can be
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* found in the LICENSE file at https://angular.io/license
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*/
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var fs = require('fs');
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var minimatch = require('minimatch');
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var path = require('path');
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var Q = require('q');
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module.exports = {
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processToPromise: processToPromise,
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streamToPromise: streamToPromise,
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filterByFile: filterByFile,
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subDirs: subDirs,
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forEachSubDir: forEachSubDir,
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forEachSubDirSequential: forEachSubDirSequential
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};
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function subDirs(dir) {
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return fs.readdirSync(dir).filter(function(file) {
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return fs.statSync(path.join(dir, file)).isDirectory();
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});
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}
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function forEachSubDir(dir, callback) {
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var dirs = subDirs(dir);
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return Q.all(dirs.map(function(subdir) { return callback(path.join(dir, subdir)); }));
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}
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function forEachSubDirSequential(dir, callback) {
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var dirs = subDirs(dir);
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return next(0);
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function next(index) {
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if (index < dirs.length) {
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return callback(path.join(dir, dirs[index])).then(function() { return next(index + 1); });
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} else {
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return true;
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}
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}
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}
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function processToPromise(process) {
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var defer = Q.defer();
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process.on('close', function(code) {
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if (code) {
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defer.reject(code);
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} else {
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defer.resolve();
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}
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});
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return defer.promise;
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}
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function streamToPromise(stream) {
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var defer = Q.defer();
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stream.on('end', defer.resolve);
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stream.on('error', defer.reject);
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return defer.promise;
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}
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function filterByFile(pathMapping, folder) {
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var folderParts = folder.split(path.sep);
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var match;
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var lastPattern;
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for (var pattern in pathMapping) {
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if (minimatch(folder, pattern)) {
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if (!lastPattern || lastPattern.length < pattern.length) {
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match = pathMapping[pattern];
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lastPattern = pattern;
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}
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}
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}
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if (match !== undefined) {
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return match;
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} else {
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throw new Error('No entry for folder ' + folder + ' found in ' + JSON.stringify(pathMapping));
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}
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}
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