/*
* Copyright 2010-2013 JetBrains s.r.o.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.jetbrains.kotlin.maven;
import com.intellij.openapi.util.text.StringUtil;
import kotlin.text.StringsKt;
import org.apache.maven.artifact.DependencyResolutionRequiredException;
import org.apache.maven.plugin.MojoExecutionException;
import org.apache.maven.plugins.annotations.LifecyclePhase;
import org.apache.maven.plugins.annotations.Mojo;
import org.apache.maven.plugins.annotations.Parameter;
import org.apache.maven.plugins.annotations.ResolutionScope;
import org.apache.maven.project.MavenProject;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.kotlin.cli.common.arguments.K2JSCompilerArguments;
import org.jetbrains.kotlin.cli.js.K2JSCompiler;
import org.jetbrains.kotlin.utils.LibraryUtils;
import org.jetbrains.kotlin.utils.KotlinJavascriptMetadataUtils;
import org.jetbrains.kotlin.js.JavaScript;
import java.io.File;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import java.util.Map;
import java.util.concurrent.ConcurrentSkipListMap;
import java.util.concurrent.ConcurrentMap;
import java.util.concurrent.locks.Lock;
import java.util.concurrent.locks.ReentrantLock;
/**
* Converts Kotlin to JavaScript code
*
* @noinspection UnusedDeclaration
*/
@Mojo(name = "js", defaultPhase = LifecyclePhase.COMPILE, requiresDependencyResolution = ResolutionScope.COMPILE, threadSafe = false)
public class K2JSCompilerMojo extends KotlinCompileMojoBase<K2JSCompilerArguments> {
private static final String OUTPUT_DIRECTORIES_COLLECTOR_PROPERTY_NAME = "outputDirectoriesCollector";
private static final Lock lock = new ReentrantLock();
/**
* The output JS file name
*/
@Parameter(defaultValue = "${project.build.directory}/js/${project.artifactId}.js", required = true)
private String outputFile;
/**
* Flag enables or disables .meta.js and .kjsm files generation, used to create libraries
*/
@Parameter(defaultValue = "true")
private boolean metaInfo;
/**
* Flags enables or disable source map generation
*/
@Parameter(defaultValue = "false")
private boolean sourceMap;
/**
* Main invocation behaviour. Possible values are <b>call</b> and <b>noCall</b>.
*/
@Parameter
private String main;
/**
* <p>Specifies which JS module system to generate compatible sources for. Options are:</p>
* <ul>
* <li><b>amd</b> —
* <a href="https://github.com/amdjs/amdjs-api/wiki/AMD"></a>Asynchronous Module System</a>;</li>
* <li><b>commonjs</b> — npm/CommonJS conventions based on synchronous <code>require</code>
* function;</li>
* <li><b>plain</b> (default) — no module system, keep all modules in global scope;</li>
* <li><b>umd</b> — Universal Module Definition, stub wrapper that detects current
* module system in runtime and behaves as <code>plain</code> if none detected.</li>
* </ul>
*/
@Parameter(defaultValue = "plain")
private String moduleKind;
@Override
protected void configureSpecificCompilerArguments(@NotNull K2JSCompilerArguments arguments) throws MojoExecutionException {
arguments.outputFile = outputFile;
arguments.noStdlib = true;
arguments.metaInfo = metaInfo;
arguments.moduleKind = moduleKind;
arguments.main = main;
List<String> libraries = null;
try {
libraries = getKotlinJavascriptLibraryFiles();
} catch (DependencyResolutionRequiredException e) {
throw new MojoExecutionException("Unresolved dependencies", e);
}
getLog().debug("libraries: " + libraries);
arguments.libraries = StringUtil.join(libraries, File.pathSeparator);
arguments.sourceMap = sourceMap;
if (outputFile != null) {
ConcurrentMap<String, List<String>> collector = getOutputDirectoriesCollector();
String key = project.getArtifactId();
List<String> paths = collector.computeIfAbsent(key, k -> Collections.synchronizedList(new ArrayList<String>()));
paths.add(new File(outputFile).getParent());
}
}
protected List<String> getClassPathElements() throws DependencyResolutionRequiredException {
return project.getCompileClasspathElements();
}
/**
* Returns all Kotlin Javascript dependencies that this project has, including transitive ones.
*
* @return array of paths to kotlin javascript libraries
*/
@NotNull
private List<String> getKotlinJavascriptLibraryFiles() throws DependencyResolutionRequiredException {
List<String> libraries = new ArrayList<String>();
for (String path : getClassPathElements()) {
File file = new File(path);
if (file.exists() && LibraryUtils.isKotlinJavascriptLibrary(file)) {
libraries.add(file.getAbsolutePath());
}
else {
getLog().debug("artifact " + file.getAbsolutePath() + " is not a Kotlin Javascript Library");
}
}
for (List<String> paths : getOutputDirectoriesCollector().values()) {
for (String path : paths) {
File file = new File(path);
if (file.exists() && LibraryUtils.isKotlinJavascriptLibrary(file)) {
libraries.add(file.getAbsolutePath());
}
else {
getLog().debug("JS output directory missing: " + file);
}
}
}
return libraries;
}
@NotNull
@Override
protected K2JSCompilerArguments createCompilerArguments() {
return new K2JSCompilerArguments();
}
@Override
protected List<String> getRelatedSourceRoots(MavenProject project) {
return project.getCompileSourceRoots();
}
@NotNull
@Override
protected K2JSCompiler createCompiler() {
return new K2JSCompiler();
}
@SuppressWarnings("unchecked")
protected ConcurrentMap<String, List<String>> getOutputDirectoriesCollector() {
lock.lock();
try {
ConcurrentMap<String, List<String>> collector = (ConcurrentMap<String, List<String>>) getPluginContext().get(OUTPUT_DIRECTORIES_COLLECTOR_PROPERTY_NAME);
if (collector == null) {
collector = new ConcurrentSkipListMap<String, List<String>>();
getPluginContext().put(OUTPUT_DIRECTORIES_COLLECTOR_PROPERTY_NAME, collector);
}
return collector;
} finally {
lock.unlock();
}
}
}