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• com.liferay.gradle.plugins.js.transpiler
• 1.0.26
• source code
• JSTranspilerPlugin.java

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com.liferay.gradle.plugins.js.transpiler.JSTranspilerPlugin Maven / Gradle / Ivy

/**
 * Copyright (c) 2000-present Liferay, Inc. All rights reserved.
 *
 * This library is free software; you can redistribute it and/or modify it under
 * the terms of the GNU Lesser General Public License as published by the Free
 * Software Foundation; either version 2.1 of the License, or (at your option)
 * any later version.
 *
 * This library is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
 * FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
 * details.
 */

package com.liferay.gradle.plugins.js.transpiler;

import com.liferay.gradle.plugins.node.NodePlugin;
import com.liferay.gradle.plugins.node.tasks.DownloadNodeModuleTask;
import com.liferay.gradle.plugins.node.tasks.ExecuteNpmTask;
import com.liferay.gradle.util.GradleUtil;

import java.io.File;

import java.util.Collections;
import java.util.Iterator;
import java.util.Set;
import java.util.concurrent.Callable;

import org.gradle.api.Action;
import org.gradle.api.Plugin;
import org.gradle.api.Project;
import org.gradle.api.Task;
import org.gradle.api.file.FileCollection;
import org.gradle.api.file.SourceDirectorySet;
import org.gradle.api.plugins.BasePlugin;
import org.gradle.api.plugins.JavaPlugin;
import org.gradle.api.plugins.PluginContainer;
import org.gradle.api.tasks.SourceSet;
import org.gradle.api.tasks.SourceSetOutput;
import org.gradle.api.tasks.TaskContainer;

/**
 * @author Andrea Di Giorgi
 */
public class JSTranspilerPlugin implements Plugin {

	public static final String DOWNLOAD_LFR_AMD_LOADER_TASK_NAME =
		"downloadLfrAmdLoader";

	public static final String DOWNLOAD_METAL_CLI_TASK_NAME =
		"downloadMetalCli";

	public static final String EXTENSION_NAME = "jsTranspiler";

	public static final String TRANSPILE_JS_TASK_NAME = "transpileJS";

	@Override
	public void apply(Project project) {
		GradleUtil.applyPlugin(project, NodePlugin.class);

		final ExecuteNpmTask npmInstallTask =
			(ExecuteNpmTask)GradleUtil.getTask(
				project, NodePlugin.NPM_INSTALL_TASK_NAME);

		JSTranspilerExtension jsTranspilerExtension = GradleUtil.addExtension(
			project, EXTENSION_NAME, JSTranspilerExtension.class);

		final DownloadNodeModuleTask downloadLfrAmdLoaderTask =
			addTaskDownloadLfrAmdLoader(project, jsTranspilerExtension);
		final DownloadNodeModuleTask downloadMetalCliTask =
			addTaskDownloadMetalCli(project, jsTranspilerExtension);

		addTaskTranspileJS(project);

		project.afterEvaluate(
			new Action() {

				@Override
				public void execute(Project project) {
					configureTasksTranspileJS(
						project, downloadLfrAmdLoaderTask, downloadMetalCliTask,
						npmInstallTask);
				}

			});
	}

	protected DownloadNodeModuleTask addTaskDownloadLfrAmdLoader(
		Project project, final JSTranspilerExtension jsTranspilerExtension) {

		DownloadNodeModuleTask downloadNodeModuleTask = GradleUtil.addTask(
			project, DOWNLOAD_LFR_AMD_LOADER_TASK_NAME,
			DownloadNodeModuleTask.class);

		downloadNodeModuleTask.setModuleName("lfr-amd-loader");

		downloadNodeModuleTask.setModuleVersion(
			new Callable() {

				@Override
				public String call() throws Exception {
					return jsTranspilerExtension.getLfrAmdLoaderVersion();
				}

			});

		return downloadNodeModuleTask;
	}

	protected DownloadNodeModuleTask addTaskDownloadMetalCli(
		Project project, final JSTranspilerExtension jsTranspilerExtension) {

		DownloadNodeModuleTask downloadNodeModuleTask = GradleUtil.addTask(
			project, DOWNLOAD_METAL_CLI_TASK_NAME,
			DownloadNodeModuleTask.class);

		downloadNodeModuleTask.setModuleName("metal-cli");

		downloadNodeModuleTask.setModuleVersion(
			new Callable() {

				@Override
				public String call() throws Exception {
					return jsTranspilerExtension.getMetalCliVersion();
				}

			});

		return downloadNodeModuleTask;
	}

	protected TranspileJSTask addTaskTranspileJS(Project project) {
		final TranspileJSTask transpileJSTask = GradleUtil.addTask(
			project, TRANSPILE_JS_TASK_NAME, TranspileJSTask.class);

		transpileJSTask.setDescription("Transpiles JS files.");
		transpileJSTask.setGroup(BasePlugin.BUILD_GROUP);

		PluginContainer pluginContainer = project.getPlugins();

		pluginContainer.withType(
			JavaPlugin.class,
			new Action() {

				@Override
				public void execute(JavaPlugin javaPlugin) {
					configureTaskTranspileJSForJavaPlugin(transpileJSTask);
				}

			});

		return transpileJSTask;
	}

	protected void configureTasksTranspileJS(
		Project project, final DownloadNodeModuleTask downloadLfrAmdLoaderTask,
		final DownloadNodeModuleTask downloadMetalCliTask,
		final ExecuteNpmTask npmInstallTask) {

		TaskContainer taskContainer = project.getTasks();

		taskContainer.withType(
			TranspileJSTask.class,
			new Action() {

				@Override
				public void execute(TranspileJSTask transpileJSTask) {
					configureTaskTranspileJS(
						transpileJSTask, downloadLfrAmdLoaderTask,
						downloadMetalCliTask, npmInstallTask);
				}

			});
	}

	protected void configureTaskTranspileJS(
		TranspileJSTask transpileJSTask,
		final DownloadNodeModuleTask downloadLfrAmdLoaderTask,
		final DownloadNodeModuleTask downloadMetalCliTask,
		final ExecuteNpmTask npmInstallTask) {

		FileCollection fileCollection = transpileJSTask.getSourceFiles();

		if (fileCollection.isEmpty()) {
			transpileJSTask.setDependsOn(Collections.emptySet());
			transpileJSTask.setEnabled(false);

			return;
		}

		transpileJSTask.dependsOn(
			downloadLfrAmdLoaderTask, downloadMetalCliTask, npmInstallTask);

		transpileJSTask.setScriptFile(
			new Callable() {

				@Override
				public File call() throws Exception {
					return new File(
						downloadMetalCliTask.getModuleDir(), "index.js");
				}

			});

		transpileJSTask.soyDependency(
			new Callable() {

				@Override
				public String call() throws Exception {
					return
						npmInstallTask.getWorkingDir() +
							"/node_modules/metal*/src/**/*.soy";
				}

			});
	}

	protected void configureTaskTranspileJSForJavaPlugin(
		TranspileJSTask transpileJSTask) {

		transpileJSTask.mustRunAfter(JavaPlugin.PROCESS_RESOURCES_TASK_NAME);

		Project project = transpileJSTask.getProject();

		final SourceSet sourceSet = GradleUtil.getSourceSet(
			project, SourceSet.MAIN_SOURCE_SET_NAME);

		transpileJSTask.setSourceDir(
			new Callable() {

				@Override
				public File call() throws Exception {
					File resourcesDir = getSrcDir(sourceSet.getResources());

					return new File(resourcesDir, "META-INF/resources");
				}

			});

		transpileJSTask.setWorkingDir(
			new Callable() {

				@Override
				public File call() throws Exception {
					SourceSetOutput sourceSetOutput = sourceSet.getOutput();

					return new File(
						sourceSetOutput.getResourcesDir(),
						"META-INF/resources");
				}

			});

		Task classesTask = GradleUtil.getTask(
			project, JavaPlugin.CLASSES_TASK_NAME);

		classesTask.dependsOn(transpileJSTask);
	}

	protected File getSrcDir(SourceDirectorySet sourceDirectorySet) {
		Set srcDirs = sourceDirectorySet.getSrcDirs();

		Iterator iterator = srcDirs.iterator();

		return iterator.next();
	}

}