org.jetbrains.kotlin.gradle.targets.js.dukat.DukatExecutor.kt Maven / Gradle / Ivy

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Kotlin Gradle Plugin

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/*
 * Copyright 2010-2020 JetBrains s.r.o. and Kotlin Programming Language contributors.
 * Use of this source code is governed by the Apache 2.0 license that can be found in the license/LICENSE.txt file.
 */

package org.jetbrains.kotlin.gradle.targets.js.dukat

import org.gradle.internal.service.ServiceRegistry
import org.jetbrains.kotlin.gradle.targets.js.NpmVersions
import org.jetbrains.kotlin.gradle.targets.js.npm.NpmProject

class DukatExecutor(
    val npmVersions: NpmVersions,
    val typeDefinitions: List,
    val externalsOutputFormat: ExternalsOutputFormat,
    val npmProject: NpmProject,
    val packageJsonIsUpdated: Boolean,
    val operation: String = OPERATION,
    val compareInputs: Boolean = true
) {
    companion object {
        const val OPERATION = "Generating Kotlin/JS external declarations"
    }

    val versionFile = npmProject.externalsDirRoot.resolve("version.txt")
    val version = DukatCompilationResolverPlugin.VERSION + ", " + npmVersions.dukat.version
    val prevVersion = if (versionFile.exists()) versionFile.readText() else null

    val inputsFile = npmProject.externalsDirRoot.resolve("inputs.txt")

    val shouldSkip: Boolean
        get() = inputsFile.isFile && prevVersion == version && !packageJsonIsUpdated

    fun execute(services: ServiceRegistry) {
        if (typeDefinitions.isEmpty()) {
            npmProject.externalsDirRoot.deleteRecursively()
            return
        }

        // delete file to run visit on error even without package.json updates
        versionFile.delete()

        npmProject.externalsDirRoot.mkdirs()
        val inputs = "$externalsOutputFormat: " + typeDefinitions.joinToString("\n") { it.inputKey }

        if (!compareInputs || !inputsFile.isFile || inputsFile.readText() != inputs) {
            // delete file to run visit on error even without package.json updates
            inputsFile.delete()

            npmProject.externalsDir.deleteRecursively()
            DukatRunner(
                npmProject,
                typeDefinitions.map { it.file },
                externalsOutputFormat,
                npmProject.externalsDir,
                operation = operation
            ).execute(services)

            inputsFile.writeText(inputs)
        }

        versionFile.writeText(version)
    }
}