org.jetbrains.kotlin.gradle.tasks.KotlinJsDce.kt Maven / Gradle / Ivy
/*
* Copyright 2010-2017 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.gradle.tasks
import org.gradle.api.Project
import org.gradle.api.file.FileCollection
import org.gradle.api.file.FileTree
import org.gradle.api.tasks.CacheableTask
import org.gradle.api.tasks.Input
import org.gradle.api.tasks.Internal
import org.gradle.api.tasks.TaskAction
import org.jetbrains.kotlin.cli.common.arguments.K2JSDceArguments
import org.jetbrains.kotlin.cli.js.dce.K2JSDce
import org.jetbrains.kotlin.gradle.logging.GradleKotlinLogger
import org.jetbrains.kotlin.compilerRunner.runToolInSeparateProcess
import org.jetbrains.kotlin.gradle.dsl.KotlinJsDce
import org.jetbrains.kotlin.gradle.dsl.KotlinJsDceOptions
import org.jetbrains.kotlin.gradle.dsl.KotlinJsDceOptionsImpl
import java.io.File
@CacheableTask
open class KotlinJsDce : AbstractKotlinCompileTool(), KotlinJsDce {
init {
cacheOnlyIfEnabledForKotlin()
}
override fun localStateDirectories(): FileCollection = project.files()
override fun createCompilerArgs(): K2JSDceArguments = K2JSDceArguments()
override fun setupCompilerArgs(args: K2JSDceArguments, defaultsOnly: Boolean, ignoreClasspathResolutionErrors: Boolean) {
dceOptionsImpl.updateArguments(args)
args.declarationsToKeep = keep.toTypedArray()
}
private val dceOptionsImpl = KotlinJsDceOptionsImpl()
@get:Internal
override val dceOptions: KotlinJsDceOptions
get() = dceOptionsImpl
@get:Input
override val keep: MutableList = mutableListOf()
override fun findKotlinCompilerClasspath(project: Project): List = findKotlinJsDceClasspath(project)
override fun compile() {}
override fun keep(vararg fqn: String) {
keep += fqn
}
@TaskAction
fun performDce() {
val inputFiles = (listOf(getSource()) + classpath.map { project.fileTree(it) })
.reduce(FileTree::plus)
.files.map { it.path }
val outputDirArgs = arrayOf("-output-dir", destinationDir.path)
val argsArray = serializedCompilerArguments.toTypedArray()
val log = GradleKotlinLogger(logger)
val allArgs = argsArray + outputDirArgs + inputFiles
val exitCode = runToolInSeparateProcess(
allArgs, K2JSDce::class.java.name, computedCompilerClasspath,
log
)
throwGradleExceptionIfError(exitCode)
}
}