Build option for console that replaces gstatic firebase-app.js url with relative import (#7243)

New gulp task for build:internal

Author: qtz1

packages/firebase/gulpfile.js

@@ -38,3 +38,13 @@ gulp.task('cdn-type-module-path', function () {
       .pipe(gulp.dest('.'))
   );
 });
+
+//google3 does not allow imports from absolute URLs, so we cannot use the gstatic link
+gulp.task('cdn-type-module-path-internal', function () {
+  return gulp
+    .src(files)
+    .pipe(sourcemaps.init({ loadMaps: true }))
+    .pipe(replace(/(['"])@firebase\/app(['"])/g, "'./firebase-app.js'"))
+    .pipe(sourcemaps.write('.'))
+    .pipe(gulp.dest('.'));
+});

packages/firebase/package.json

@@ -367,6 +367,7 @@
   },
   "scripts": {
     "build": "rollup -c && gulp cdn-type-module-path && yarn build:compat",
+    "build:internal": "rollup -c && gulp cdn-type-module-path-internal && yarn build:compat",
     "build:compat": "rollup -c compat/rollup.config.js",
     "dev": "rollup -c -w",
     "test": "echo 'No test suite for firebase wrapper'",