From 920d5d0190bddfbf1fbe56bcc241cbf1723d5d05 Mon Sep 17 00:00:00 2001
From: gbrodman <gbrodman@google.com>
Date: Fri, 8 Feb 2019 11:14:18 -0800
Subject: [PATCH] Add source maps in to the JS output

This allows us to have the source mapping appear when debugging, just like we have when logging on to alpha, prod, or locally.

Tested on Crash with building from Gradle

-------------
Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=233092769
---
 gradle/core/build.gradle | 17 +++++++++++++----
 1 file changed, 13 insertions(+), 4 deletions(-)

diff --git a/gradle/core/build.gradle b/gradle/core/build.gradle
index b3effcfc5..c252b346e 100644
--- a/gradle/core/build.gradle
+++ b/gradle/core/build.gradle
@@ -305,7 +305,6 @@ task jaxbToJava {
             todir: "${xjcTempSourceDir}",
             overwrite: true,
             file: bindingsFile)
-
     ant.taskdef(
             name: 'xjc',
             classname: 'com.sun.tools.xjc.XJCTask',
@@ -476,12 +475,21 @@ task compileProdJS(type: JavaExec) {
   main = 'com.google.javascript.jscomp.CommandLineRunner'
 
   def closureArgs = []
-  closureArgs << "--compilation_level=SIMPLE_OPTIMIZATIONS"
   closureArgs << "--js_output_file=${resourcesDir}/google/registry/ui/registrar_bin.js"
-  closureArgs << "--js=${rootDir}/node_modules/google-closure-library/**.js"
-  closureArgs << "--js=${rootDir}/node_modules/soyutils_usegoog.js"
+  // sourcemap-related configuration
+  closureArgs << "--create_source_map=${resourcesDir}/google/registry/ui/registrar_bin.js.map"
+  closureArgs << "--source_map_include_content=true"
+  closureArgs << "--source_map_location_mapping=${rootDir}/|"
+  closureArgs << "--output_wrapper=\"%output% //# sourceMappingURL=registrar_bin.js.map\""
+
+  // compilation options
+  closureArgs << "--compilation_level=ADVANCED"
   closureArgs << "--entry_point=goog:registry.registrar.main"
   closureArgs << "--externs=${javaDir}/google/registry/ui/externs/json.js"
+
+  // manually include all the required js files
+  closureArgs << "--js=${rootDir}/node_modules/google-closure-library/**.js"
+  closureArgs << "--js=${rootDir}/node_modules/soyutils_usegoog.js"
   closureArgs << "--js=${resourcesDir}/google/registry/ui/css/registrar_bin.css.js"
   closureArgs << "--js=${javaDir}/google/registry/ui/js/**.js"
   closureArgs << "--js=${generatedDir}/google/registry/ui/soy/**.js"
@@ -490,6 +498,7 @@ task compileProdJS(type: JavaExec) {
 
 compileJava.dependsOn jaxbToJava
 compileJava.dependsOn soyToJava
+compileJava.dependsOn compileProdJS
 
 // stylesheetsToJavascript must happen after processResources, which wipes the
 // resources folder before copying data into it.