91 lines
2.2 KiB
JavaScript
91 lines
2.2 KiB
JavaScript
var Q = require('q');
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var path = require('path');
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var minimatch = require('minimatch');
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var glob = require('glob');
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module.exports = {
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processToPromise: processToPromise,
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streamToPromise: streamToPromise,
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insertSrcFolder: insertSrcFolder,
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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 [].slice.call(glob.sync('*/', {cwd: dir}));
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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) {
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return callback(path.join(dir, subdir));
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}));
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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() {
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return next(index+1);
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});
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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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function insertSrcFolder(plugins, srcFolderInsertion) {
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return plugins.rename(function(file) {
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var folder = file.dirname;
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var srcDir = filterByFile(srcFolderInsertion, path.join(folder, file.basename));
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if (srcDir) {
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var folderParts = file.dirname.split(path.sep);
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folder = [folderParts[0], srcDir].concat(folderParts.slice(1)).join(path.sep);
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}
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file.dirname = folder;
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});
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}
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