Update minify

build.gradle

@@ -2,6 +2,7 @@ buildscript {
     ext.kotlin_version = '1.3.50'
 
     repositories {
+        jcenter()
         maven {
             url "http://nexus.astraeus.nl/nexus/content/groups/public"
         }
@@ -12,9 +13,11 @@ buildscript {
     }
     dependencies {
         classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
+        classpath "com.eriwen:gradle-js-plugin:1.12.1"
     }
 }
 
+apply plugin: "com.eriwen.gradle.js"
 apply plugin: 'kotlin-platform-js'
 apply plugin: 'kotlin-dce-js'
 
@@ -55,3 +58,25 @@ runDceKotlinJs.doLast {
         into("web/js/generated")
     }
 }
+
+// Create new CombineJsTasks if you have multiple sets of JS files
+combineJs {
+    dependsOn runDceKotlinJs
+    source = [
+        "${projectDir}/web/js/generated/kotlin.js",
+        "${projectDir}/web/js/generated/kotlinx-html-js.js",
+        "${projectDir}/web/js/generated/komp.js",
+        "${projectDir}/web/js/generated/komp-todo.js"
+    ]
+    dest = file("${projectDir}/web/js/generated/todo.all.js")
+}
+
+minifyJs {
+    dependsOn combineJs
+    source = "${projectDir}/web/js/generated/todo.all.js"
+    dest = file("${projectDir}/web/js/generated/todo.all.min.js")
+    closure {
+        warningLevel = 'QUIET'
+        compilerOptions.languageIn = "ECMASCRIPT5"
+    }
+}