How to use @firebase/logger - 10 common examples

// This mitigates a minor race condition where the client can send the
    // first database request before authenticating.
    app.database().goOffline();
    app.database().goOnline();
  }
  if (projectId) {
    app.firestore().settings({
      host: FIRESTORE_ADDRESS,
      ssl: false
    });
  }
  /**
  Mute warnings for the previously-created database and whatever other
  objects were just created.
 */
  setLogLevel(LogLevel.ERROR);
  return app;
}

const { projectId, apiKey, appId } = app.options;
    if (!projectId) {
      throw ERROR_FACTORY.create(ErrorCode.REGISTRATION_PROJECT_ID);
    }
    if (!apiKey) {
      throw ERROR_FACTORY.create(ErrorCode.REGISTRATION_API_KEY);
    }
    if (!appId) {
      throw ERROR_FACTORY.create(ErrorCode.REGISTRATION_APP_ID);
    }
    namespace = namespace || 'firebase';

    const storage = new Storage(appId, app.name, namespace);
    const storageCache = new StorageCache(storage);

    const logger = new Logger(packageName);

    // Sets ERROR as the default log level.
    // See RemoteConfig#setLogLevel for corresponding normalization to ERROR log level.
    logger.logLevel = FirebaseLogLevel.ERROR;

    const restClient = new RestClient(
      installations,
      // Uses the JS SDK version, by which the RC package version can be deduced, if necessary.
      firebaseInstance.SDK_VERSION,
      namespace,
      projectId,
      apiKey,
      appId
    );
    const retryingClient = new RetryingClient(restClient, storage);
    const cachingClient = new CachingClient(

}
        // Normalizes optional inputs.
        var _a = app.options, projectId = _a.projectId, apiKey = _a.apiKey, appId = _a.appId;
        if (!projectId) {
            throw ERROR_FACTORY.create("registration-project-id" /* REGISTRATION_PROJECT_ID */);
        }
        if (!apiKey) {
            throw ERROR_FACTORY.create("registration-api-key" /* REGISTRATION_API_KEY */);
        }
        if (!appId) {
            throw ERROR_FACTORY.create("registration-app-id" /* REGISTRATION_APP_ID */);
        }
        namespace = namespace || 'firebase';
        var storage = new Storage(appId, app.name, namespace);
        var storageCache = new StorageCache(storage);
        var logger = new Logger(name);
        // Sets ERROR as the default log level.
        // See RemoteConfig#setLogLevel for corresponding normalization to ERROR log level.
        logger.logLevel = LogLevel.ERROR;
        var restClient = new RestClient(installations, 
        // Uses the JS SDK version, by which the RC package version can be deduced, if necessary.
        firebaseInstance.SDK_VERSION, namespace, projectId, apiKey, appId);
        var retryingClient = new RetryingClient(restClient, storage);
        var cachingClient = new CachingClient(retryingClient, storage, storageCache, logger);
        var remoteConfigInstance = new RemoteConfig(app, cachingClient, storageCache, storage, logger);
        // Starts warming cache.
        // eslint-disable-next-line @typescript-eslint/no-floating-promises
        remoteConfigInstance.ensureInitialized();
        return remoteConfigInstance;
    }
}

}
        // Normalizes optional inputs.
        var _a = app.options, projectId = _a.projectId, apiKey = _a.apiKey, appId = _a.appId;
        if (!projectId) {
            throw ERROR_FACTORY.create("registration-project-id" /* REGISTRATION_PROJECT_ID */);
        }
        if (!apiKey) {
            throw ERROR_FACTORY.create("registration-api-key" /* REGISTRATION_API_KEY */);
        }
        if (!appId) {
            throw ERROR_FACTORY.create("registration-app-id" /* REGISTRATION_APP_ID */);
        }
        namespace = namespace || 'firebase';
        var storage = new Storage(appId, app.name, namespace);
        var storageCache = new StorageCache(storage);
        var logger$1 = new logger.Logger(name);
        // Sets ERROR as the default log level.
        // See RemoteConfig#setLogLevel for corresponding normalization to ERROR log level.
        logger$1.logLevel = logger.LogLevel.ERROR;
        var restClient = new RestClient(installations, 
        // Uses the JS SDK version, by which the RC package version can be deduced, if necessary.
        firebaseInstance.SDK_VERSION, namespace, projectId, apiKey, appId);
        var retryingClient = new RetryingClient(restClient, storage);
        var cachingClient = new CachingClient(retryingClient, storage, storageCache, logger$1);
        var remoteConfigInstance = new RemoteConfig(app, cachingClient, storageCache, storage, logger$1);
        // Starts warming cache.
        // eslint-disable-next-line @typescript-eslint/no-floating-promises
        remoteConfigInstance.ensureInitialized();
        return remoteConfigInstance;
    }
}

if (!apiKey) {
      throw ERROR_FACTORY.create(ErrorCode.REGISTRATION_API_KEY);
    }
    if (!appId) {
      throw ERROR_FACTORY.create(ErrorCode.REGISTRATION_APP_ID);
    }
    namespace = namespace || 'firebase';

    const storage = new Storage(appId, app.name, namespace);
    const storageCache = new StorageCache(storage);

    const logger = new Logger(packageName);

    // Sets ERROR as the default log level.
    // See RemoteConfig#setLogLevel for corresponding normalization to ERROR log level.
    logger.logLevel = FirebaseLogLevel.ERROR;

    const restClient = new RestClient(
      installations,
      // Uses the JS SDK version, by which the RC package version can be deduced, if necessary.
      firebaseInstance.SDK_VERSION,
      namespace,
      projectId,
      apiKey,
      appId
    );
    const retryingClient = new RetryingClient(restClient, storage);
    const cachingClient = new CachingClient(
      retryingClient,
      storage,
      storageCache,
      logger

if (!projectId) {
            throw ERROR_FACTORY.create("registration-project-id" /* REGISTRATION_PROJECT_ID */);
        }
        if (!apiKey) {
            throw ERROR_FACTORY.create("registration-api-key" /* REGISTRATION_API_KEY */);
        }
        if (!appId) {
            throw ERROR_FACTORY.create("registration-app-id" /* REGISTRATION_APP_ID */);
        }
        namespace = namespace || 'firebase';
        var storage = new Storage(appId, app.name, namespace);
        var storageCache = new StorageCache(storage);
        var logger$1 = new logger.Logger(name);
        // Sets ERROR as the default log level.
        // See RemoteConfig#setLogLevel for corresponding normalization to ERROR log level.
        logger$1.logLevel = logger.LogLevel.ERROR;
        var restClient = new RestClient(installations, 
        // Uses the JS SDK version, by which the RC package version can be deduced, if necessary.
        firebaseInstance.SDK_VERSION, namespace, projectId, apiKey, appId);
        var retryingClient = new RetryingClient(restClient, storage);
        var cachingClient = new CachingClient(retryingClient, storage, storageCache, logger$1);
        var remoteConfigInstance = new RemoteConfig(app, cachingClient, storageCache, storage, logger$1);
        // Starts warming cache.
        // eslint-disable-next-line @typescript-eslint/no-floating-promises
        remoteConfigInstance.ensureInitialized();
        return remoteConfigInstance;
    }
}

* @license
 * Copyright 2019 Google Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
var logger = new logger$1.Logger('@firebase/app');

/**
 * @license
 * Copyright 2017 Google Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.

* @license
 * Copyright 2019 Google Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
const logger = new Logger('@firebase/app');

/**
 * @license
 * Copyright 2019 Google Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.

function getLogger() {
    if (logger) {
        return logger;
    }
    var ccLogger = ccHandler(serializer);
    logger = new Logger('@firebase/performance/cc');
    logger.logHandler = ccLogger;
    return logger;
}
function logTrace(trace) {

* @license
 * Copyright 2019 Google Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
var logger = new Logger('@firebase/app');

/**
 * @license
 * Copyright 2019 Google Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.