Refactor impl into emulator.ts.

Author: yuchenshi

packages-exp/auth-exp/src/core/auth/auth_impl.ts

@@ -272,20 +272,6 @@ export class AuthImpl implements Auth, _FirebaseService {
     this.languageCode = _getUserLanguage();
   }
 
-  _useEmulator(url: string, options?: { disableWarnings: boolean }): void {
-    _assert(this._canInitEmulator, this, AuthErrorCode.EMULATOR_CONFIG_FAILED);
-
-    _assert(
-      /^https?:\/\//.test(url),
-      this,
-      AuthErrorCode.INVALID_EMULATOR_SCHEME
-    );
-
-    this.config.emulator = { url };
-    this.settings.appVerificationDisabledForTesting = true;
-    emitEmulatorWarning(!!options?.disableWarnings);
-  }
-
   async _delete(): Promise<void> {
     this._deleted = true;
   }
@@ -570,43 +556,3 @@ class Subscription<T> {
     return this.observer.next.bind(this.observer);
   }
 }
-
-function emitEmulatorWarning(disableBanner: boolean): void {
-  function attachBanner(): void {
-    const el = document.createElement('p');
-    const sty = el.style;
-    el.innerText =
-      'Running in emulator mode. Do not use with production credentials.';
-    sty.position = 'fixed';
-    sty.width = '100%';
-    sty.backgroundColor = '#ffffff';
-    sty.border = '.1em solid #000000';
-    sty.color = '#ff0000';
-    sty.bottom = '0px';
-    sty.left = '0px';
-    sty.margin = '0px';
-    sty.zIndex = '10000';
-    sty.textAlign = 'center';
-    el.classList.add('firebase-emulator-warning');
-    document.body.appendChild(el);
-  }
-
-  if (typeof console !== 'undefined' && typeof console.info === 'function') {
-    console.info(
-      'WARNING: You are using the Auth Emulator,' +
-        ' which is intended for local testing only.  Do not use with' +
-        ' production credentials.'
-    );
-  }
-  if (
-    typeof window !== 'undefined' &&
-    typeof document !== 'undefined' &&
-    !disableBanner
-  ) {
-    if (document.readyState === 'loading') {
-      window.addEventListener('DOMContentLoaded', attachBanner);
-    } else {
-      attachBanner();
-    }
-  }
-}

packages-exp/auth-exp/src/core/auth/emulator.ts

@@ -15,6 +15,8 @@
  * limitations under the License.
  */
 import * as externs from '@firebase/auth-types-exp';
+import { AuthErrorCode } from '../errors';
+import { _assert } from '../util/assert';
 import { _castAuth } from './auth_impl';
 
 /**
@@ -43,5 +45,60 @@ export function useAuthEmulator(
   url: string,
   options?: { disableWarnings: boolean }
 ): void {
-  _castAuth(auth)._useEmulator(url, options);
+  const authInternal = _castAuth(auth);
+  _assert(
+    authInternal._canInitEmulator,
+    authInternal,
+    AuthErrorCode.EMULATOR_CONFIG_FAILED
+  );
+
+  _assert(
+    /^https?:\/\//.test(url),
+    authInternal,
+    AuthErrorCode.INVALID_EMULATOR_SCHEME
+  );
+
+  authInternal.config.emulator = { url };
+  authInternal.settings.appVerificationDisabledForTesting = true;
+  emitEmulatorWarning(!!options?.disableWarnings);
+}
+
+function emitEmulatorWarning(disableBanner: boolean): void {
+  function attachBanner(): void {
+    const el = document.createElement('p');
+    const sty = el.style;
+    el.innerText =
+      'Running in emulator mode. Do not use with production credentials.';
+    sty.position = 'fixed';
+    sty.width = '100%';
+    sty.backgroundColor = '#ffffff';
+    sty.border = '.1em solid #000000';
+    sty.color = '#ff0000';
+    sty.bottom = '0px';
+    sty.left = '0px';
+    sty.margin = '0px';
+    sty.zIndex = '10000';
+    sty.textAlign = 'center';
+    el.classList.add('firebase-emulator-warning');
+    document.body.appendChild(el);
+  }
+
+  if (typeof console !== 'undefined' && typeof console.info === 'function') {
+    console.info(
+      'WARNING: You are using the Auth Emulator,' +
+        ' which is intended for local testing only.  Do not use with' +
+        ' production credentials.'
+    );
+  }
+  if (
+    typeof window !== 'undefined' &&
+    typeof document !== 'undefined' &&
+    !disableBanner
+  ) {
+    if (document.readyState === 'loading') {
+      window.addEventListener('DOMContentLoaded', attachBanner);
+    } else {
+      attachBanner();
+    }
+  }
 }

packages-exp/auth-exp/src/model/auth.ts

@@ -56,7 +56,6 @@ export interface Auth extends externs.Auth {
   _startProactiveRefresh(): void;
   _stopProactiveRefresh(): void;
   _getPersistence(): string;
-  _useEmulator(url: string, options?: { disableWarnings: boolean }): void;
 
   readonly name: AppName;
   readonly config: ConfigInternal;