Enable source maps in dev mode

angular.json

@@ -66,6 +66,14 @@
             "scripts": []
           },
           "configurations": {
+            "development": {
+              "buildOptimizer": false,
+              "optimization": false,
+              "vendorChunk": true,
+              "extractLicenses": false,
+              "sourceMap": true,
+              "namedChunks": true
+            },
             "production": {
               "fileReplacements": [
                 {
@@ -102,6 +110,9 @@
             "port": 4000
           },
           "configurations": {
+            "development": {
+              "browserTarget": "dspace-angular:build:development"
+            },
             "production": {
               "browserTarget": "dspace-angular:build:production"
             }
@@ -195,6 +206,10 @@
             "tsConfig": "tsconfig.server.json"
           },
           "configurations": {
+            "development": {
+              "sourceMap": true,
+              "optimization": false
+            },
             "production": {
               "sourceMap": false,
               "optimization": true,

package.json

@@ -9,10 +9,10 @@
     "start:dev": "nodemon --exec \"cross-env NODE_ENV=development yarn run serve\"",
     "start:prod": "yarn run build:prod && cross-env NODE_ENV=production yarn run serve:ssr",
     "start:mirador:prod": "yarn run build:mirador && yarn run start:prod",
-    "serve": "ts-node --project ./tsconfig.ts-node.json scripts/serve.ts",
+    "serve": "ng serve -c development",
     "serve:ssr": "node dist/server/main",
     "analyze": "webpack-bundle-analyzer dist/browser/stats.json",
-    "build": "ng build",
+    "build": "ng build -c development",
     "build:stats": "ng build --stats-json",
     "build:prod": "yarn run build:ssr",
     "build:ssr": "ng build --configuration production && ng run dspace-angular:server:production",