From 0b98e16f3252b4f5facf7f407eced92ba2d3b905 Mon Sep 17 00:00:00 2001
From: Manuel Mujica <manuel.mujica.rojas@gmail.com>
Date: Fri, 17 Feb 2017 14:10:49 -0700
Subject: [PATCH] Multiple fixes to the steal-tool's bundle

- Provide graph filter options through glob patterns
- Allow user to set bundle destination folder
- Prevent bundle to create a steal.production.js file
- Fix CSS development bundle generation
---
 index.js                              |   2 +
 lib/build/bundle.js                   |  21 ++---
 lib/bundle/concat_stream.js           |  51 ++++++++-----
 lib/stream/dev_bundle.js              |  64 +++++++++++-----
 lib/stream/filter_dev_bundle_graph.js |  40 ++++++----
 package.json                          |   3 +-
 test/dev_bundle_build_test.js         | 106 ++++++++++++++++++++------
 test/npm/steal.production.js          |  12 ---
 8 files changed, 202 insertions(+), 97 deletions(-)
 delete mode 100644 test/npm/steal.production.js

diff --git a/index.js b/index.js
index f0a50ce6..bd6019b9 100644
--- a/index.js
+++ b/index.js
@@ -1,8 +1,10 @@
 var multiBuild = require("./lib/build/multi");
 var transform = require("./lib/build/transform");
 var exporter = require("./lib/build/export");
+var bundle = require("./lib/build/bundle");
 
 module.exports = {
+	bundle: bundle,
 	build: multiBuild,
 	transform: transform,
 	graph: {
diff --git a/lib/build/bundle.js b/lib/build/bundle.js
index 7b9daf32..1a0bc994 100644
--- a/lib/build/bundle.js
+++ b/lib/build/bundle.js
@@ -1,8 +1,8 @@
+var assign = require("lodash").assign;
 var minify = require("../stream/minify");
 var devBundle = require("../stream/dev_bundle");
 var transpile = require("../stream/transpile");
 var concat = require("../bundle/concat_stream");
-var stealWriteStream = require("../stream/steal");
 var filterDevBundleGraph = require("../stream/filter_dev_bundle_graph");
 
 var assignDefaultOptions = require("../assign_default_options");
@@ -13,7 +13,9 @@ module.exports = function(config, options) {
 	// Use the build-development environment.
 	if (!options) options = {};
 
-	// Minification is on by default
+	var isDestProvided = !!options.dest;
+
+	// minification is on by default
 	options.minify = options.minify == null ? true : options.minify;
 
 	try {
@@ -22,8 +24,12 @@ module.exports = function(config, options) {
 		return Promise.reject(err);
 	}
 
-	options.dest = "";
-	options.defaultBundlesPathName = "";
+	// if `dest` was not provided in the options object, override the default
+	// value so the development bundle is written out in the root folder
+	assign(options, {
+		defaultBundlesPathName: "",
+		dest: isDestProvided ? options.dest : ""
+	});
 
 	var graphStream = createBundleGraphStream(config, options);
 	var filteredGraphStream = graphStream.pipe(filterDevBundleGraph());
@@ -32,12 +38,8 @@ module.exports = function(config, options) {
 	var buildStream = minifyStream.pipe(devBundle());
 	var concatStream = buildStream.pipe(concat());
 
-	// Return a Promise that will resolve after bundles have been written
 	return new Promise(function(resolve, reject) {
-		// Pipe the build result into a write stream.
-		var writeStream = buildStream
-			.pipe(createWriteStream())
-			.pipe(stealWriteStream());
+		var writeStream = buildStream.pipe(createWriteStream());
 
 		writeStream.on("data", function(data){
 			this.end();
@@ -58,3 +60,4 @@ module.exports = function(config, options) {
 		});
 	});
 };
+
diff --git a/lib/bundle/concat_stream.js b/lib/bundle/concat_stream.js
index cae5b186..9c397b3a 100644
--- a/lib/bundle/concat_stream.js
+++ b/lib/bundle/concat_stream.js
@@ -1,30 +1,43 @@
+var _ = require("lodash");
+var through = require("through2");
 var bundleFilename = require("./filename");
 var concatSource = require("../bundle/concat_source");
 var normalizeSource = require("./normalize_source");
-var through = require("through2");
 
 module.exports = function(){
-	return through.obj(function(data, enc, next){
-		var bundles = data.bundles;
-		var configuration = data.configuration;
-		var bundlesDir = configuration.bundlesPath + "/";
+	return through.obj(function(data, enc, next) {
+		try {
+			var result = concat(data);
+			next(null, result);
+		} catch(err) {
+			next(err);
+		}
+	});
+};
 
-		bundles.forEach(function(bundle){
-			var bundlePath = bundle.bundlePath =
-				bundlesDir + "" + bundleFilename(bundle);
+function concat(data) {
+	var bundles = data.bundles;
+	var configuration = data.configuration;
+	var bundlesPath = configuration.bundlesPath;
 
-			// If the bundle is explicity marked as clean, just resolve.
-			if(bundle.isDirty === false) {
-				return;
-			}
+	var bundlesDir = _.endsWith(bundlesPath, "/") ?
+		bundlesPath : bundlesPath + "/";
 
-			// Adjusts URLs
-			normalizeSource(bundle, bundlePath);
+	bundles.forEach(function(bundle){
+		var bundlePath = bundle.bundlePath =
+			bundlesDir + "" + bundleFilename(bundle);
 
-			// Combines the source
-			concatSource(bundle);
-		});
+		// If the bundle is explicity marked as clean, just resolve.
+		if(bundle.isDirty === false) {
+			return;
+		}
 
-		next(null, data);
+		// Adjusts URLs
+		normalizeSource(bundle, bundlePath);
+
+		// Combines the source
+		concatSource(bundle);
 	});
-};
+
+	return data;
+}
diff --git a/lib/stream/dev_bundle.js b/lib/stream/dev_bundle.js
index 20c1dd8b..dc4172da 100644
--- a/lib/stream/dev_bundle.js
+++ b/lib/stream/dev_bundle.js
@@ -2,11 +2,14 @@ var _ = require("lodash");
 var through = require("through2");
 var hasES6 = require("../graph/has_es6");
 var unbundle = require("../graph/unbundle");
+var flattenBundle = require("../bundle/flatten");
 var makeBundle = require("../bundle/make_bundle");
 var splitByBuildType = require("../bundle/split_by_build_type");
 var addTraceurRuntime = require("../bundle/add_traceur_runtime");
 var makeBundlesConfig = require("../bundle/make_bundles_config");
 
+var BUNDLE_DEPTH = 1;
+
 module.exports = function() {
 	return through.obj(function(data, enc, done) {
 		try {
@@ -19,49 +22,74 @@ module.exports = function() {
 };
 
 function bundle(data) {
-	var graph = data.graph;
 	var configGraph = data.configGraph;
 	var configuration = data.configuration;
+	var graph = includePluginsInBuild(data.graph);
 
 	unbundle(graph);
 
 	var mainBundle = makeBundle(graph);
+	flattenBundle(mainBundle, BUNDLE_DEPTH);
 	var splitMainBundles = nameBundles(splitByBuildType(mainBundle));
 
-	splitMainBundles.forEach(function(mainJSBundle) {
+	splitMainBundles.filter(isJSBundle).forEach(function(bundle) {
 		var unshift = [].unshift;
-
-		unshift.apply(mainJSBundle.nodes, configGraph);
+		unshift.apply(bundle.nodes, configGraph);
 
 		// Make config JS code so System knows where to look for bundles.
 		var configNode = makeBundlesConfig(
 			splitMainBundles,
 			configuration,
-			mainJSBundle,
-			{ excludedBundles: [] }
+			bundle,
+			{ excludedBundles: {} }
 		);
 
-		mainJSBundle.nodes.unshift(configNode);
+		bundle.nodes.unshift(configNode);
 
 		// Traceur code requires a runtime.
 		if (hasES6(graph)) {
-			addTraceurRuntime(mainJSBundle);
+			addTraceurRuntime(bundle);
 		}
 	});
 
-	return _.assign(
-		{},
-		data,
-		{ bundles: splitMainBundles }
-	);
+	return _.assign({}, data, {
+		bundles: splitMainBundles
+	});
+}
+
+function isJSBundle(bundle) {
+	return bundle.buildType !== "css";
 }
 
 function nameBundles(bundles) {
 	return bundles.map(function(bundle) {
-		return _.assign(
-			{},
-			bundle,
-			{ name: "dev-bundle" }
-		);
+		var type = bundle.buildType;
+
+		// this is needed so css bundles are written out with the
+		// right file extension
+		var suffix = type === "js" ? "" : "." + type + "!";
+
+		return _.assign({}, bundle, {
+			name: "dev-bundle" + suffix
+		});
 	});
 }
+
+function includePluginsInBuild(graph) {
+	var cloned = _.assign({}, graph);
+
+	function isPlugin(name) {
+		return cloned[name].isPlugin;
+	}
+
+	function includeInBuild(name) {
+		var node = cloned[name];
+		var metadata = node.load.metadata;
+
+		if (metadata) metadata.includeInBuild = true;
+	}
+
+	_.keys(cloned).filter(isPlugin).forEach(includeInBuild);
+
+	return cloned;
+}
diff --git a/lib/stream/filter_dev_bundle_graph.js b/lib/stream/filter_dev_bundle_graph.js
index c6eb0248..e4918e96 100644
--- a/lib/stream/filter_dev_bundle_graph.js
+++ b/lib/stream/filter_dev_bundle_graph.js
@@ -1,9 +1,8 @@
 var _ = require("lodash");
+var path = require("path");
 var winston = require("winston");
 var through = require("through2");
-var npmUtils = require("steal/ext/npm-utils");
-
-var isNpm = npmUtils.moduleName.isNpm;
+var minimatch = require("minimatch");
 
 module.exports = function() {
 	return through.obj(function(data, enc, done) {
@@ -20,26 +19,27 @@ function filterGraph(data) {
 	var filtered = {};
 	var graph = data.graph;
 
-	function visit(name) {
-		if (!visited[name]) {
+	_.keys(graph).forEach(function visit(name) {
+		// don't visit a node twice
+		if (visited[name]) return;
 
-			visited[name] = true;
-			var node = graph[name];
+		visited[name] = true;
+		var node = graph[name];
 
-			if (!node) {
-				if (name && name[0] !== "@") {
-					winston.warn("Can't find dependency", name, "in graph.");
-				}
-				return;
+		if (!node) {
+			if (name && name[0] !== "@") {
+				winston.warn("Can't find dependency", name, "in graph.");
 			}
+			return;
+		}
 
+		var address = node.load.address;
+		var pattern = getGlobPattern(data);
+
+		if (minimatch(address, pattern)) {
 			node.dependencies.forEach(visit);
 			filtered[name] = node;
 		}
-	}
-
-	_.keys(graph).forEach(function(name) {
-		if (isNpm(name)) visit(name);
 	});
 
 	return _.assign(
@@ -48,3 +48,11 @@ function filterGraph(data) {
 		{ graph: filtered }
 	);
 }
+
+function getGlobPattern(data) {
+	var options = data.options;
+	var baseUrl = data.loader.baseURL;
+	var filter = options.filter || "node_modules/**/*";
+
+	return path.join(baseUrl, filter);
+}
diff --git a/package.json b/package.json
index 6b7e9428..6ba3541f 100644
--- a/package.json
+++ b/package.json
@@ -8,6 +8,7 @@
     "web": "http://bitovi.com/"
   },
   "dependencies": {
+    "bitovi-source-map": "0.4.2-bitovi.2",
     "chokidar": "^1.0.1",
     "clean-css": "^4.0.5",
     "colors": "^1.1.2",
@@ -17,9 +18,9 @@
     "glob": "^7.1.1",
     "is-appveyor": "^1.0.0",
     "lodash": "^4.3.0",
+    "minimatch": "^3.0.3",
     "moment": "^2.10.2",
     "pdenodeify": "^0.1.0",
-    "bitovi-source-map": "0.4.2-bitovi.2",
     "steal": "^1.2.4",
     "steal-bundler": "^0.3.0",
     "steal-parse-amd": "^1.0.0",
diff --git a/test/dev_bundle_build_test.js b/test/dev_bundle_build_test.js
index 6b1a5681..a8e86624 100644
--- a/test/dev_bundle_build_test.js
+++ b/test/dev_bundle_build_test.js
@@ -1,3 +1,4 @@
+var _ = require("lodash");
 var path = require("path");
 var fs = require("fs-extra");
 var assert = require("assert");
@@ -6,37 +7,25 @@ var testHelpers = require("./helpers");
 var devBundleBuild = require("../lib/build/bundle");
 
 var open = testHelpers.popen;
+var readFile = denodeify(fs.readFile);
 var rmdir = denodeify(require("rimraf"));
 
 describe("dev bundle build", function() {
+	this.timeout(5000);
 
-	// what should I assert here?
-	it.skip("app without npm dependencies?", function() {
-		return rmdir(path.join(__dirname, "bundle", "dist"))
-			.then(function() {
-				return devBundleBuild({
-					config: path.join(__dirname, "bundle", "stealconfig.js"),
-					main: "bundle"
-				});
-			});
-	});
-
-	// what should I assert here?
-	it("should work", function() {
-		this.timeout(5000);
+	var baseOptions =  {
+		quiet: true,
+		minify: false
+	};
 
+	it("should work with defaults", function() {
 		var config = {
-			config: path.join(__dirname, "npm", "package.json!npm"),
-			main: "src/main"
-		};
-
-		var options = {
-			minify: false
+			config: path.join(__dirname, "npm", "package.json!npm")
 		};
 
 		var devBundlePath = path.join(__dirname, "npm", "dev-bundle.js");
 
-		return devBundleBuild(config, options)
+		return devBundleBuild(config, baseOptions)
 			.then(function() {
 				var exists = fs.existsSync(devBundlePath);
 				assert(exists, "dev bundle should be created");
@@ -44,7 +33,9 @@ describe("dev bundle build", function() {
 			.then(function() {
 				return open(path.join(__dirname, "npm"), "dev-bundle-main.html");
 			})
-			.then(function({ browser, close }) {
+			.then(function(params) {
+				var close = params.close;
+				var browser = params.browser;
 				var h1s = browser.window.document.getElementsByTagName('h1');
 				assert.equal(h1s.length, 1, "Wrote H!.");
 				close();
@@ -54,5 +45,76 @@ describe("dev bundle build", function() {
 			});
 	});
 
+	it("allows filtering modules through a glob pattern", function() {
+		var config = {
+			main: "bundle",
+			config: path.join(__dirname, "bundle", "stealconfig.js"),
+		};
+
+		var options = _.assign({}, baseOptions, {
+			filter: "/**/*"
+		});
+
+		var bundlePath = path.join(__dirname, "bundle", "dev-bundle.js");
+
+		return devBundleBuild(config, options)
+			.then(function() {
+				var exists = fs.existsSync(bundlePath);
+				assert(exists, "should create dev bundle");
+			})
+			.then(function() {
+				return rmdir(bundlePath);
+			});
+	});
+
+	it("allows setting the bundle destination", function() {
+		var config = {
+			main: "bundle",
+			config: path.join(__dirname, "bundle", "stealconfig.js"),
+		};
+
+		var options = _.assign({}, baseOptions, {
+			filter: "/**/*",
+			dest: "folder/"
+		});
+
+		var bundlePath = path.join(__dirname, "bundle", "folder", "dev-bundle.js");
+
+		return devBundleBuild(config, options)
+			.then(function() {
+				var exists = fs.existsSync(bundlePath);
+				assert(exists, "should create dev bundle");
+			})
+			.then(function() {
+				return rmdir(bundlePath);
+			});
+	});
+
+	it("includes plugins in the build", function() {
+		var config = {
+			main: "main",
+			config: path.join(__dirname, "plugins", "config.js")
+		};
+
+		var options = _.assign({}, baseOptions, {
+			filter: "/**/*"
+		});
+
+		var bundlePath = path.join(__dirname, "plugins", "dev-bundle.js");
+
+		return devBundleBuild(config, options)
+			.then(function() {
+				return readFile(bundlePath);
+			})
+			.then(function(contents) {
+				var empty = "define('plug', [], function(){ return {}; });";
+				var regexp = new RegExp(_.escapeRegExp(empty));
+
+				assert(!regexp.test(contents), "plugin code should be included");
+			})
+			.then(function() {
+				return rmdir(bundlePath);
+			});
+	});
 });
 
diff --git a/test/npm/steal.production.js b/test/npm/steal.production.js
deleted file mode 100644
index a4d0a40b..00000000
--- a/test/npm/steal.production.js
+++ /dev/null
@@ -1,12 +0,0 @@
-if(typeof steal === "undefined") steal = {};
-steal.bundlesPath = "bundles";
-steal.main = "src/main";
-steal.configMain = "package.json!npm";
-/*
- *  steal v1.2.1
- *  
- *  Copyright (c) 2017 Bitovi; Licensed MIT
- */
-!function(a){"object"==typeof exports?module.exports=a():"function"==typeof define&&define.amd?define(a):"undefined"!=typeof window?window.Promise=a():"undefined"!=typeof global?global.Promise=a():"undefined"!=typeof self&&(self.Promise=a())}(function(){var a;return function a(b,c,d){function e(g,h){if(!c[g]){if(!b[g]){var i="function"==typeof require&&require;if(!h&&i)return i(g,!0);if(f)return f(g,!0);throw new Error("Cannot find module '"+g+"'")}var j=c[g]={exports:{}};b[g][0].call(j.exports,function(a){var c=b[g][1][a];return e(c?c:a)},j,j.exports,a,b,c,d)}return c[g].exports}for(var f="function"==typeof require&&require,g=0;g<d.length;g++)e(d[g]);return e}({1:[function(a,b,c){var d=a("../lib/decorators/unhandledRejection"),e=d(a("../lib/Promise"));b.exports="undefined"!=typeof global?global.Promise=e:"undefined"!=typeof self?self.Promise=e:e},{"../lib/Promise":2,"../lib/decorators/unhandledRejection":4}],2:[function(b,c,d){!function(a){"use strict";a(function(a){var 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