var util = require('./util'); var Q = require('q'); var spawn = require('child_process').spawn; var through2 = require('through2'); var path = require('path'); var glob = require('glob'); var fs = require('fs'); module.exports = function(gulp, plugins, config) { return function() { var webFolders = [].slice.call(glob.sync(path.join(config.src, '*/web'))); return nextFolder(); function nextFolder() { if (!webFolders.length) { return; } var folder = path.resolve(path.join(webFolders.shift(), '..')); var destFolder = path.resolve(path.join(config.dest, path.basename(folder))); return util.processToPromise(spawn(config.command, ['build', '-o', destFolder], { stdio: 'inherit', cwd: folder })).then(function() { return replaceDartWithJsScripts(gulp, destFolder); }).then(function() { return removeWebFolder(gulp, destFolder); }).then(nextFolder); } }; }; function replaceDartWithJsScripts(gulp, folder) { return util.streamToPromise(gulp.src(path.join(folder, '**/*.html')) .pipe(through2.obj(function(file, enc, done) { var content = file.contents.toString(); content = content.replace(/\.dart/, '.dart.js'); content = content.replace(/application\/dart/, 'text/javascript'); file.contents = new Buffer(content); this.push(file); done(); })) .pipe(gulp.dest(folder))); } function removeWebFolder(gulp, folder) { fs.renameSync(path.join(folder, 'web', 'src'), path.join(folder, 'src')); fs.renameSync(path.join(folder, 'web', 'packages'), path.join(folder, 'packages')); fs.rmdirSync(path.join(folder, 'web')); return Q.resolve(); }