PRJ-169 Reduce distribution size

1. Switch building to webpack to make resources copy automatically
2. Get rid of copying the whole node_modules dir by `npm install`ing only required dependencies

projector-launcher/build.gradle.kts

@@ -15,32 +15,20 @@ val npmCommand = when (DefaultNativePlatform.getCurrentOperatingSystem().isWindo
     false -> listOf("npm")
 }
 
-val distElectron by tasks.creating(Exec::class) {
+val npmInstall by tasks.creating(Exec::class) {
     group = "dist"
-    workingDir(project.projectDir)
-    commandLine(npmCommand + listOf("run", "packager"))
+    workingDir(project.file("electronapp/build/distributions"))
+    commandLine(npmCommand + listOf("install"))
 }
 
-val copyDeps by tasks.creating(Copy::class) {
+val runPackager by tasks.creating(Exec::class) {
     group = "dist"
-    dependsOn(distElectron)
-
-    // inspired by https://stackoverflow.com/a/42133267/6639500
-    val filesToCopy = copySpec {
-        from("build/js/node_modules")
-    }
-
-    into("out")
-
-    val destinations = listOf(
-            "projector-linux-x64/resources/app/node_modules",
-            "projector-win32-x64/resources/app/node_modules",
-            "projector-darwin-x64/projector.app/Contents/Resources/app/node_modules"
-    )
-    destinations.forEach { into(it) { with(filesToCopy) } }
+    dependsOn(npmInstall)
+    workingDir(project.projectDir)
+    commandLine(npmCommand + listOf("run", "packager"))
 }
 
 tasks.create("dist") {
     group = "dist"
-    dependsOn(copyDeps)
+    dependsOn(runPackager)
 }

projector-launcher/electronapp/build.gradle.kts

@@ -1,6 +1,3 @@
-import org.jetbrains.kotlin.gradle.targets.js.nodejs.NodeJsRootExtension
-import org.jetbrains.kotlin.gradle.targets.js.nodejs.NodeJsRootPlugin
-
 plugins {
     kotlin("js")
 }
@@ -13,17 +10,9 @@ val kotlinExtensionsVersion: String by project
 
 kotlin {
     js {
-        nodejs {
-            compilations.all {
-                kotlinOptions {
-                    kotlinOptions.moduleKind = "umd"
-                    kotlinOptions.sourceMap = true
-                    kotlinOptions.sourceMapEmbedSources = "always"
-                    kotlinOptions.metaInfo = true
-                    kotlinOptions.main = "call"
-                }
-            }
-        }
+        // todo: switch to nodejs or electron (KT-35327)
+        //       while webpack is not supported in nodejs target, need to override target in webpack.config.d
+        browser()
     }
 }
 
@@ -34,20 +23,3 @@ dependencies {
     implementation("org.jetbrains.kotlinx:kotlinx-coroutines-core-js:$coroutinesVersion")
     implementation("org.jetbrains:kotlin-extensions:$kotlinExtensionsVersion")
 }
-
-tasks.named("nodeTest") {
-    enabled = false
-}
-
-val copyResources = task("copyResources") {
-    copy {
-        from("src/main/resources")
-        into("../build/js/packages/projector-launcher-electronapp")
-    }
-}
-
-tasks["compileKotlinJs"].dependsOn(copyResources)
-
-rootProject.plugins.withType<NodeJsRootPlugin> {
-    rootProject.the<NodeJsRootExtension>().download = false
-}

projector-launcher/electronapp/src/main/resources/package.json

@@ -0,0 +1,25 @@
+{
+  "main": "electronapp.js",
+  "devDependencies": {},
+  "dependencies": {
+    "electron": "^10.1.2",
+    "open": "^7.2.1"
+  },
+  "scripts": {
+    "electron": "electron ."
+  },
+  "peerDependencies": {},
+  "optionalDependencies": {},
+  "bundledDependencies": [],
+  "keywords": [
+    "projector",
+    "jetbrains",
+    "kotlin",
+    "kotlin-js"
+  ],
+  "author": "projector",
+  "license": "MIT",
+  "name": "projector-launcher",
+  "description": "Desktop launcher for Projector, written in Kotlin, Electron and Node",
+  "version": "1.0.0"
+}

projector-launcher/electronapp/webpack.config.d/webpack.config.js

@@ -0,0 +1,6 @@
+// todo: remove after https://youtrack.jetbrains.com/issue/KT-35327 is fixed
+config.target = 'electron-renderer';
+
+// todo: remove after https://youtrack.jetbrains.com/issue/KT-40159 is fixed
+config.output = config.output || {};
+config.output.globalObject = "this";

projector-launcher/package.json

@@ -8,7 +8,7 @@
     "build": "./gradlew build",
     "run": "electron build/js/packages/projector-launcher-electronapp",
     "gradle-node": "./gradlew -p electronapp nodeRun",
-    "packager": "electron-packager --executable-name=projector --out=./out --overwrite --icon=./electronapp/src/main/resources/assets/img/electron-icon.ico --all ./build/js/packages/projector-launcher-electronapp projector"
+    "packager": "electron-packager --executable-name=projector --out=./out --overwrite --icon=./electronapp/src/main/resources/assets/img/electron-icon.ico --all ./electronapp/build/distributions projector"
   },
   "keywords": [
     "projector",