From 95a90faf2d2e099a2f4afe976c0dceb7ad2b08b9 Mon Sep 17 00:00:00 2001
From: Kristóf Marussy <marussy@mit.bme.hu>
Date: Tue, 29 Jun 2021 19:48:24 +0200
Subject: Add hot module replacement for development

---
 language-web/build.gradle | 19 ++++++++++++-------
 1 file changed, 12 insertions(+), 7 deletions(-)

(limited to 'language-web/build.gradle')

diff --git a/language-web/build.gradle b/language-web/build.gradle
index ff0f9e9c..6599d465 100644
--- a/language-web/build.gradle
+++ b/language-web/build.gradle
@@ -12,6 +12,7 @@ dependencies {
 def webpackOutputDir = "${buildDir}/webpack"
 def productionResources = "${webpackOutputDir}/production"
 def mainClass = 'org.eclipse.viatra.solver.language.web.ServerLauncher'
+def currentNodeEnv = System.getenv('NODE_ENV') ?: 'development'
 
 apply plugin: 'com.moowork.node'
 
@@ -63,14 +64,18 @@ task jettyRun(type: JavaExec) {
 	classpath = sourceSets.main.runtimeClasspath.filter{it.exists()}
 	main = mainClass
 	standardInput = System.in
+	environment BASE_RESOURCE: "${webpackOutputDir}/${currentNodeEnv}"
 	group = 'run'
-	description = 'Starts an example Jetty server with your language'
-	environment(
-		DEV_MODE: 'true',
-		LISTEN_ADDRESS: 'localhost',
-		LISTEN_PORT: '1313',
-		BASE_RESOURCE: "${webpackOutputDir}/development"
-	)
+	description = 'Start a Jetty web server serving the Xtex API and assets'
+}
+
+task webpackServe(type: NpmTask) {
+	dependsOn ':language:generateXtext'
+	outputs.dir "${webpackOutputDir}/hmr"
+	args = ['run', 'serve']
+	setEnvironment NODE_ENV: 'hmr'
+	group = 'run'
+	description = 'Start a Webpack dev server with hot module replacement'
 }
 
 eclipse {
-- 
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