Allow Specifying Custom TypeScript Root

build.gradle.kts

@@ -28,39 +28,17 @@ jni {
 	addPlatform("windows-x86", ".dll")
 }
 
-tasks.register<Exec>("eslint") {
+tasks.register<TypeScriptPlugin.NPMTask>("eslint") {
 	group = "verification"
 
-	workingDir(typescript.root)
-
-	executable("npm")
-
-	args("run", "eslint")
-
-	dependsOn(tasks["npmInstall"])
+	taskName = "eslint"
 }
 
-tasks.register<Exec>("typedoc") {
+tasks.register<TypeScriptPlugin.NPMTask>("typedoc") {
 	group = "documentation"
 
-	val typedocOut = File(typescript.root, "build/typedoc")
-
-	inputs.dir(typescript.root)
-	outputs.dir(typedocOut)
-
-	workingDir(typescript.root)
-
-	executable("npm")
-
-	args("run", "typedoc")
-
-	doFirst {
-		project.delete {
-			delete(typedocOut)
-		}
-	}
-
-	dependsOn(tasks["npmInstall"])
+	taskName = "typedoc"
+	outputDir = "build/typedoc"
 }
 
 tasks.named<Copy>("processResources") {

buildSrc/src/main/kotlin/TypeScriptPlugin.kt

@@ -1,8 +1,7 @@
+import org.gradle.api.DefaultTask
 import org.gradle.api.Plugin
 import org.gradle.api.Project
-import org.gradle.api.tasks.Copy
-import org.gradle.api.tasks.Exec
-import org.gradle.api.tasks.Sync
+import org.gradle.api.tasks.*
 import org.gradle.api.tasks.bundling.Jar
 import org.gradle.kotlin.dsl.*
 import java.io.File
@@ -10,113 +9,158 @@ import java.util.concurrent.Callable
 
 class TypeScriptPlugin : Plugin<Project> {
     open class TypeScriptConfig(rootDir: File) {
-        val root: File = File(rootDir, "src/main/ts")
+        var root: File = File(rootDir, "src/main/ts")
+    }
 
-        fun getOutDir(): File {
-            return File(root, "build/ts")
+    open class NPMTask : DefaultTask() {
+        @get:Input
+        lateinit var taskName: String
+        @get:Input
+        lateinit var outputDir: String
+
+        @TaskAction
+        fun exec() {
+            project.delete {
+                delete(getOutput())
+            }
+            project.exec {
+                workingDir(getInput())
+
+                executable("npm")
+
+                args("run", taskName)
+            }
         }
 
-        fun getDeclarationDir(): File {
-            return File(root, "build/dts")
+        @InputDirectory
+        fun getInput(): Callable<File> {
+            return Callable {
+                project.the<TypeScriptConfig>().root
+            }
         }
 
-        fun getDependenciesDir(): File {
-            return File(root, "build/dependencies")
+        @OutputDirectory
+        fun getOutput(): Callable<File>? {
+            return if (this::outputDir.isInitialized) {
+                Callable {
+                    if (File(outputDir).isAbsolute) {
+                        File(outputDir)
+                    } else {
+                        File(project.the<TypeScriptConfig>().root, outputDir)
+                    }
+                }
+            } else {
+                null
+            }
+        }
+    }
+
+    open class NPMInstallTask : DefaultTask() {
+        @TaskAction
+        fun exec() {
+            project.delete {
+                delete(getOutput())
+            }
+            project.exec {
+                workingDir(Callable {
+                    project.the<TypeScriptConfig>().root
+                })
+
+                executable("npm")
+
+                args("install")
+            }
+        }
+
+        @InputFile
+        fun getInput(): Callable<File> {
+            return Callable {
+                File(project.the<TypeScriptConfig>().root, "package.json")
+            }
+        }
+
+        @OutputDirectory
+        fun getOutput(): Callable<File> {
+            return Callable {
+                File(project.the<TypeScriptConfig>().root, "node_modules")
+            }
         }
     }
 
     override fun apply(project: Project): Unit = project.run {
         val extension = project.extensions.create<TypeScriptConfig>("typescript", projectDir)
 
-        configurations {
-            create("typescript") {
-                isTransitive = false
-            }
+        val typescript = configurations.create("typescript") {
+            isTransitive = false
         }
 
-        tasks.register<Sync>("extractTypescriptDependencies") {
+        val npmInstallTask = tasks.register<NPMInstallTask>("npmInstall") {
+            group = "typescript"
+        }
+
+        val extractTypescriptDependenciesTask = tasks.register<Sync>("extractTypescriptDependencies") {
             group = "typescript"
 
-            dependsOn(configurations["typescript"])
+            dependsOn(typescript)
 
             from(Callable {
-                configurations["typescript"].map {
+                typescript.map {
                     zipTree(it).matching {
                         exclude("META-INF", "META-INF/**")
                     }
                 }
             })
 
-            into(extension.getDependenciesDir())
+            into(File(extension.root, "build/dependencies/api"))
         }
 
-        tasks.register<Exec>("npmInstall") {
-            group = "typescript"
-
-            inputs.file(File(extension.root, "package.json"))
-            outputs.dir(File(extension.root, "node_modules"))
-
-            workingDir(extension.root)
-
-            executable("npm")
-
-            args("install")
-
-            doFirst {
-                project.delete {
-                    delete(File(extension.root, "node_modules"))
+        project.afterEvaluate {
+            tasks.forEach {
+                if (it is NPMTask) {
+                    it.dependsOn(npmInstallTask)
+                    it.dependsOn(extractTypescriptDependenciesTask)
                 }
             }
-
-            dependsOn(tasks["extractTypescriptDependencies"])
         }
 
-        tasks.register<Exec>("typescript") {
+        val typescriptTask = tasks.register<NPMTask>("typescript") {
             group = "typescript"
 
-            inputs.dir(extension.root)
-            outputs.dirs(extension.getOutDir())
-
-            workingDir(extension.root)
-
-            executable("npm")
-
-            args("run", "build")
-
-            doFirst {
-                project.delete {
-                    delete(extension.getOutDir())
-                }
-            }
-
-            dependsOn(tasks["npmInstall"])
+            taskName = "build"
+            outputDir = "build/ts"
         }
 
-        tasks.register<Jar>("apiJar") {
+        val apiJarTask = tasks.register<Jar>("apiJar") {
             group = "typescript"
 
             into("/types") {
-                from(File(extension.root, "types"))
+                from(Callable {
+                    File(extension.root, "types")
+                })
             }
             into("/src") {
-                from(extension.getDeclarationDir())
+                from(Callable {
+                    File(extension.root, "build/dts")
+                })
             }
 
             archiveClassifier.set("api")
 
-            dependsOn(tasks["typescript"])
+            dependsOn(typescriptTask)
         }
 
         artifacts {
-            add("archives", tasks["apiJar"])
+            add("archives", apiJarTask)
         }
 
         tasks.named<Copy>("processResources") {
-            dependsOn(tasks["typescript"])
+            dependsOn(typescriptTask)
 
-            from(extension.getOutDir()) {
-                into("scriptcraft")
-            }
+            from(Callable {
+                File(extension.root, "build/ts")
+            })
+
+            into("scriptcraft")
         }
     }
 }

examples/typescript/README.md

@@ -10,12 +10,12 @@ This is an example of a Minecraft mod made in TypeScript using ScriptCraft.
 - NPM dependencies are not bundled
 - API JARs are not bundled
 
-## ```typescript``` Gradle Configuration
-The ```typescript``` gradle configuration will extract the specified API JAR into ```src/main/ts/build/dependencies```.
-
 ## API JARs
 An API JAR can be built with ```./gradlew apiJar```.
 
+### ```typescript``` Gradle Configuration
+The ```typescript``` gradle configuration will extract the specified API JAR into ```src/main/ts/build/dependencies```. It will not be bundled with the mod.
+
 ### File Structure
 ```
 - API JAR Root