[Gradle, JS] Add karma debugger by timeout

libraries/tools/kotlin-test-js-runner/build.gradle.kts

@@ -53,6 +53,7 @@ tasks {
             "nodejs.ts",
             "karma.ts",
             "karma-kotlin-reporter.js",
+            "karma-debug.js",
             "mocha-kotlin-reporter.js",
             "package.json",
             "rollup.config.js",

libraries/tools/kotlin-test-js-runner/karma-debug.js

@@ -0,0 +1,29 @@
+/*
+ * Copyright 2010-2019 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.
+ */
+
+const karma = require('karma');
+
+const cfg = karma.config;
+
+const karmaConfig = cfg.parseConfig(process.argv[2]);
+
+const Server = karma.Server;
+const server = new Server(karmaConfig, function (exitCode) {
+    console.log('Karma has exited with ' + exitCode);
+});
+
+server.on('browsers_ready', function () {
+    // It is unreliable decision, but we need some delay for debugger attaching
+    setTimeout(function () {
+        karma.runner.run(karmaConfig, function (exitCode) {
+            console.log('Runner has exited with ' + exitCode);
+            karma.stopper.stop(karmaConfig, function (exitCode) {
+                console.log('Stopper has exited with ' + exitCode);
+            })
+        })
+    }, 1000)
+});
+
+server.start();

libraries/tools/kotlin-test-js-runner/rollup.config.js

@@ -25,6 +25,13 @@ export default [
         },
         plugins: plugins()
     },
+    {
+        input: './karma-debug.js',
+        output: {
+            file: 'lib/karma-debug.js',
+            format: 'cjs'
+        }
+    },
     {
         input: './karma-kotlin-reporter.js',
         external: ['path', 'util'],

libraries/tools/kotlin-test-js-runner/tsconfig.json

@@ -4,8 +4,7 @@
     "module": "ESNext",
     "strict": true,
     "sourceMap": true,
-    "allowSyntheticDefaultImports": true,
-    "inlineSourceMap": true
+    "allowSyntheticDefaultImports": true
   },
   "exclude": [
     "**/*Debug.ts"