1 files changed, 68 insertions, 0 deletions
diff --git a/buildSrc/src/main/kotlin/WebGenInstallTask.kt b/buildSrc/src/main/kotlin/WebGenInstallTask.kt
new file mode 100644
index 00000000..2076ee84
--- /dev/null
+++ b/buildSrc/src/main/kotlin/WebGenInstallTask.kt
@@ -0,0 +1,68 @@
+import com.moowork.gradle.node.npm.NpmTask
+import org.gradle.api.DefaultTask
+import org.gradle.api.logging.LogLevel
+import org.gradle.api.tasks.OutputDirectory
+import org.gradle.api.tasks.OutputFile
+import org.gradle.api.tasks.TaskAction
+import java.io.File
+
+/**
+ * Based on https://github.com/apollographql/apollo-android/blob/master/apollo-gradle-plugin/src/main/groovy/com/apollographql/apollo/gradle/ApolloCodegenInstallTask.groovy
+ */
+class WebGenInstallTask : DefaultTask() {
+
+    companion object {
+        const val TAG = "frost-web-gen"
+        const val NAME = "installWebGen"
+        val INSTALLATION_PATH = TAG + File.separator + "node_modules"
+        val PACKAGE_FILE_PATH = TAG + File.separator + "package.json"
+
+        const val TYPESCRIPT_VERSION = "3.3.1"
+        const val SASS_VERSION = "1.19.0"
+    }
+
+    @OutputDirectory
+    val installDir = project.layout.directoryProperty()
+    @OutputFile
+    val packageFile = project.layout.fileProperty()
+
+    val npmTask = NpmTask()
+
+    init {
+        group = "frost"
+        description = "Runs npm install for $TAG"
+
+        installDir.set(project.file(File(project.buildDir, INSTALLATION_PATH)))
+        packageFile.set(project.file(File(project.buildDir, PACKAGE_FILE_PATH)))
+
+        npmTask.setWorkingDir(File(project.buildDir, TAG))
+    }
+
+    @TaskAction
+    fun exec() {
+        installDir.get().asFile.takeIf { it.isDirectory }?.deleteRecursively()
+        writePackageFile(packageFile.get().asFile)
+        npmTask.setArgs(
+            listOf(
+                "install",
+                "typescript@$TYPESCRIPT_VERSION",
+                "sass@$SASS_VERSION",
+                "--save",
+                "--save-exact"
+            )
+        )
+        npmTask.logging.captureStandardOutput(LogLevel.INFO)
+        npmTask.exec()
+    }
+
+    private fun writePackageFile(packageFile: File) {
+        packageFile.writeText(
+            """
+            {
+                "name": "$TAG",
+                "version": "1.0"
+            }
+            """.trimIndent()
+        )
+    }
+}
+\ No newline at end of file