build - refactor

gulpfile.js

@@ -0,0 +1,138 @@
+var gulp = require('gulp');
+var rename = require('gulp-rename');
+var watch = require('gulp-watch');
+var shell = require('gulp-shell');
+var mergeStreams = require('event-stream').merge;
+var connect = require('gulp-connect');
+var clean = require('gulp-rimraf');
+var runSequence = require('run-sequence');
+var glob = require('glob');
+var ejs = require('gulp-ejs');
+var path = require('path');
+
+// import js2dart and traceur build tasks
+require('./tools/js2dart/gulpfile').install(gulp);
+
+var traceurJsOptions = {
+  annotations: true, // parse annotations
+  types: true, // parse types
+  script: false, // parse as a module
+  modules: 'register',
+  typeAssertionModule: 'assert',
+  typeAssertions: true,
+  moduleName: true,
+  reload: true
+};
+
+var traceur = require('./tools/js2dart/gulp-traceur');
+var js2dart = require('./tools/js2dart/gulp-js2dart');
+
+// -----------------------
+// modules
+var sourceTypeConfigs = {
+  dart: {
+    compiler: function() {
+      return js2dart({replace: true});
+    },
+    transpileSrc: ['modules/*/src/**/*.es6d'],
+    htmlSrc: ['modules/*/src/**/*.html'],
+    copySrc: ['modules/*/src/**/*.dart'],
+    outputDir: 'build/dart',
+    outputExt: 'dart',
+    mimeType: 'application/dart'
+  },
+  js: {
+    compiler: function() {
+      return traceur(traceurJsOptions);
+    },
+    transpileSrc: ['modules/*/src/**/*.es*', 'tools/rtts-assert/src/assert.js'],
+    htmlSrc: ['modules/*/src/**/*.html'],
+    copySrc: ['tools/traceur/bin/traceur-runtime.js'],
+    outputDir: 'build/js',
+    outputExt: 'js'
+  }
+};
+
+gulp.task('modules/clean', function() {
+  return gulp.src('build', {read: false})
+      .pipe(clean());
+});
+
+function removeSrc(path) {
+  path.dirname = path.dirname.replace('/src', '');
+}
+
+function createModuleTask(sourceTypeConfig, isWatch) {
+  var start = isWatch ? watch : gulp.src.bind(gulp);
+  return function(done) {
+    var transpile = start(sourceTypeConfig.transpileSrc)
+      .pipe(rename({extname: '.'+sourceTypeConfig.outputExt}))
+      .pipe(rename(removeSrc))
+      .pipe(sourceTypeConfig.compiler())
+      .pipe(gulp.dest(sourceTypeConfig.outputDir));
+    var copy = start(sourceTypeConfig.copySrc)
+      .pipe(rename(removeSrc))
+      .pipe(gulp.dest(sourceTypeConfig.outputDir));
+    // TODO: provide the list of files to the template
+    var html = start(sourceTypeConfig.htmlSrc)
+      .pipe(rename(removeSrc))
+      .pipe(ejs({
+        type: sourceTypeConfig.outputExt
+      }))
+      .pipe(gulp.dest(sourceTypeConfig.outputDir));
+
+    return mergeStreams(transpile, copy, html);
+  };
+}
+
+gulp.task('modules/build.dart', createModuleTask(sourceTypeConfigs.dart, false));
+gulp.task('modules/watch.dart', createModuleTask(sourceTypeConfigs.dart, true));
+gulp.task('modules/build.js', createModuleTask(sourceTypeConfigs.js, false));
+gulp.task('modules/watch.js', createModuleTask(sourceTypeConfigs.js, true));
+
+// ------------------
+// WEB SERVER
+gulp.task('serve', connect.server({
+  root: [__dirname+'/build'],
+  port: 8000,
+  livereload: false,
+  open: false,
+  middleware: function() {
+    return [function(req, resp, next){
+      if (req.url.match(/\.dart$/)) {
+        resp.setHeader("Content-Type", "application/dart");
+        console.log('now', req.url);
+      }
+      next();
+    }];
+  }
+}));
+
+// --------------
+// general targets
+
+gulp.task('clean', function(done) {
+  return runSequence(['traceur/clean', 'modules/clean'], done);
+});
+
+gulp.task('build', function(done) {
+  // By using runSequence here we are decoupling the cleaning from the rest of the build tasks
+  // Otherwise, we have to add clean as a dependency on every task to ensure that it completes
+  // before they begin.
+  runSequence(
+    'js2dart/build',
+    ['modules/build.dart', 'modules/build.js'],
+    done
+  );
+});
+
+gulp.task('watch', function(done) {
+  // By using runSequence here we are decoupling the cleaning from the rest of the build tasks
+  // Otherwise, we have to add clean as a dependency on every task to ensure that it completes
+  // before they begin.
+  runSequence(
+    'build',
+    ['js2dart/watch', 'modules/watch.dart', 'modules/watch.js'],
+    done
+  );
+});