text: import firebase from '@firebase/app';
  import { Component } from '@firebase/component';
  
  /**
   * @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.
   */
  /**
   * Standard error codes for different ways a request can fail, as defined by:
   * https://github.com/googleapis/googleapis/blob/master/google/rpc/code.proto
   *
   * This map is used primarily to convert from a backend error code string to
   * a client SDK error code string, and make sure it's in the supported set.
   */
  const errorCodeMap = {
      OK: 'ok',
      CANCELLED: 'cancelled',
      UNKNOWN: 'unknown',
      INVALID_ARGUMENT: 'invalid-argument',
      DEADLINE_EXCEEDED: 'deadline-exceeded',
      NOT_FOUND: 'not-found',
      ALREADY_EXISTS: 'already-exists',
      PERMISSION_DENIED: 'permission-denied',
      UNAUTHENTICATED: 'unauthenticated',
      RESOURCE_EXHAUSTED: 'resource-exhausted',
      FAILED_PRECONDITION: 'failed-precondition',
      ABORTED: 'aborted',
      OUT_OF_RANGE: 'out-of-range',
      UNIMPLEMENTED: 'unimplemented',
      INTERNAL: 'internal',
      UNAVAILABLE: 'unavailable',
      DATA_LOSS: 'data-loss'
  };
  /**
   * An explicit error that can be thrown from a handler to send an error to the
   * client that called the function.
   */
  class HttpsErrorImpl extends Error {
      constructor(code, message, details) {
          super(message);
          // This is a workaround for a bug in TypeScript when extending Error:
          // tslint:disable-next-line
          // https://github.com/Microsoft/TypeScript-wiki/blob/master/Breaking-Changes.md#extending-built-ins-like-error-array-and-map-may-no-longer-work
          Object.setPrototypeOf(this, HttpsErrorImpl.prototype);
          this.code = code;
          this.details = details;
      }
  }
  /**
   * Takes an HTTP status code and returns the corresponding ErrorCode.
   * This is the standard HTTP status code -> error mapping defined in:
   * https://github.com/googleapis/googleapis/blob/master/google/rpc/code.proto
   *
   * @param status An HTTP status code.
   * @return The corresponding ErrorCode, or ErrorCode.UNKNOWN if none.
   */
  function codeForHTTPStatus(status) {
      // Make sure any successful status is OK.
      if (status >= 200 && status < 300) {
          return 'ok';
      }
      switch (status) {
          case 0:
              // This can happen if the server returns 500.
              return 'internal';
          case 400:
              return 'invalid-argument';
          case 401:
              return 'unauthenticated';
          case 403:
              return 'permission-denied';
          case 404:
              return 'not-found';
          case 409:
              return 'aborted';
          case 429:
              return 'resource-exhausted';
          case 499:
              return 'cancelled';
          case 500:
              return 'internal';
          case 501:
              return 'unimplemented';
          case 503:
              return 'unavailable';
          case 504:
              return 'deadline-exceeded';
      }
      return 'unknown';
  }
  /**
   * Takes an HTTP response and returns the corresponding Error, if any.
   */
  function _errorForResponse(status, bodyJSON, serializer) {
      let code = codeForHTTPStatus(status);
      // Start with reasonable defaults from the status code.
      let description = code;
      let details = undefined;
      // Then look through the body for explicit details.
      try {
          const errorJSON = bodyJSON && bodyJSON.error;
          if (errorJSON) {
              const status = errorJSON.status;
              if (typeof status === 'string') {
                  if (!errorCodeMap[status]) {
                      // They must've included an unknown error code in the body.
                      return new HttpsErrorImpl('internal', 'internal');
                  }
                  code = errorCodeMap[status];
                  // TODO(klimt): Add better default descriptions for error enums.
                  // The default description needs to be updated for the new code.
                  description = status;
              }
              const message = errorJSON.message;
              if (typeof message === 'string') {
                  description = message;
              }
              details = errorJSON.details;
              if (details !== undefined) {
                  details = serializer.decode(details);
              }
          }
      }
      catch (e) {
          // If we couldn't parse explicit error data, that's fine.
      }
      if (code === 'ok') {
          // Technically, there's an edge case where a developer could explicitly
          // return an error code of OK, and we will treat it as success, but that
          // seems reasonable.
          return null;
      }
      return new HttpsErrorImpl(code, description, details);
  }
  
  /**
   * Helper class to get metadata that should be included with a function call.
   */
  class ContextProvider {
      constructor(authProvider, messagingProvider) {
          this.auth = null;
          this.messaging = null;
          this.auth = authProvider.getImmediate({ optional: true });
          this.messaging = messagingProvider.getImmediate({
              optional: true
          });
          if (!this.auth) {
              authProvider.get().then(auth => (this.auth = auth), () => {
                  /* get() never rejects */
              });
          }
          if (!this.messaging) {
              messagingProvider.get().then(messaging => (this.messaging = messaging), () => {
                  /* get() never rejects */
              });
          }
      }
      async getAuthToken() {
          if (!this.auth) {
              return undefined;
          }
          try {
              const token = await this.auth.getToken();
              if (!token) {
                  return undefined;
              }
              return token.accessToken;
          }
          catch (e) {
              // If there's any error when trying to get the auth token, leave it off.
              return undefined;
          }
      }
      async getInstanceIdToken() {
          if (!this.messaging ||
              !('Notification' in self) ||
              Notification.permission !== 'granted') {
              return undefined;
          }
          try {
              return this.messaging.getToken();
          }
          catch (e) {
              // We don't warn on this, because it usually means messaging isn't set up.
              // console.warn('Failed to retrieve instance id token.', e);
              // If there's any error when trying to get the token, leave it off.
              return undefined;
          }
      }
      async getContext() {
          const authToken = await this.getAuthToken();
          const instanceIdToken = await this.getInstanceIdToken();
          return { authToken, instanceIdToken };
      }
  }
  
  /**
   * @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.
   */
  const LONG_TYPE = 'type.googleapis.com/google.protobuf.Int64Value';
  const UNSIGNED_LONG_TYPE = 'type.googleapis.com/google.protobuf.UInt64Value';
  function mapValues(
  // { [k: string]: unknown } is no longer a wildcard assignment target after typescript 3.5
  // eslint-disable-next-line @typescript-eslint/no-explicit-any
  o, f) {
      const result = {};
      for (const key in o) {
          if (o.hasOwnProperty(key)) {
              result[key] = f(o[key]);
          }
      }
      return result;
  }
  class Serializer {
      // Takes data and encodes it in a JSON-friendly way, such that types such as
      // Date are preserved.
      encode(data) {
          if (data == null) {
              return null;
          }
          if (data instanceof Number) {
              data = data.valueOf();
          }
          if (typeof data === 'number' && isFinite(data)) {
              // Any number in JS is safe to put directly in JSON and parse as a double
              // without any loss of precision.
              return data;
          }
          if (data === true || data === false) {
              return data;
          }
          if (Object.prototype.toString.call(data) === '[object String]') {
              return data;
          }
          if (Array.isArray(data)) {
              return data.map(x => this.encode(x));
          }
          if (typeof data === 'function' || typeof data === 'object') {
              return mapValues(data, x => this.encode(x));
          }
          // If we got this far, the data is not encodable.
          throw new Error('Data cannot be encoded in JSON: ' + data);
      }
      // Takes data that's been encoded in a JSON-friendly form and returns a form
      // with richer datatypes, such as Dates, etc.
      decode(json) {
          if (json == null) {
              return json;
          }
          if (json['@type']) {
              switch (json['@type']) {
                  case LONG_TYPE:
                  // Fall through and handle this the same as unsigned.
                  case UNSIGNED_LONG_TYPE: {
                      // Technically, this could work return a valid number for malformed
                      // data if there was a number followed by garbage. But it's just not
                      // worth all the extra code to detect that case.
                      const value = Number(json['value']);
                      if (isNaN(value)) {
                          throw new Error('Data cannot be decoded from JSON: ' + json);
                      }
                      return value;
                  }
                  default: {
                      throw new Error('Data cannot be decoded from JSON: ' + json);
                  }
              }
          }
          if (Array.isArray(json)) {
              return json.map(x => this.decode(x));
          }
          if (typeof json === 'function' || typeof json === 'object') {
              return mapValues(json, x => this.decode(x));
          }
          // Anything else is safe to return.
          return json;
      }
  }
  
  /**
   * @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.
   */
  /**
   * Returns a Promise that will be rejected after the given duration.
   * The error will be of type HttpsErrorImpl.
   *
   * @param millis Number of milliseconds to wait before rejecting.
   */
  function failAfter(millis) {
      return new Promise((_, reject) => {
          setTimeout(() => {
              reject(new HttpsErrorImpl('deadline-exceeded', 'deadline-exceeded'));
          }, millis);
      });
  }
  /**
   * The main class for the Firebase Functions SDK.
   */
  class Service {
      /**
       * Creates a new Functions service for the given app and (optional) region.
       * @param app_ The FirebaseApp to use.
       * @param region_ The region to call functions in.
       */
      constructor(app_, authProvider, messagingProvider, region_ = 'us-central1') {
          this.app_ = app_;
          this.region_ = region_;
          this.serializer = new Serializer();
          this.emulatorOrigin = null;
          this.INTERNAL = {
              delete: () => {
                  return this.deleteService();
              }
          };
          this.contextProvider = new ContextProvider(authProvider, messagingProvider);
          // Cancels all ongoing requests when resolved.
          this.cancelAllRequests = new Promise(resolve => {
              this.deleteService = () => {
                  return resolve();
              };
          });
      }
      get app() {
          return this.app_;
      }
      /**
       * Returns the URL for a callable with the given name.
       * @param name The name of the callable.
       */
      _url(name) {
          const projectId = this.app_.options.projectId;
          const region = this.region_;
          if (this.emulatorOrigin !== null) {
              const origin = this.emulatorOrigin;
              return `${origin}/${projectId}/${region}/${name}`;
          }
          return `https://${region}-${projectId}.cloudfunctions.net/${name}`;
      }
      /**
       * Changes this instance to point to a Cloud Functions emulator running
       * locally. See https://firebase.google.com/docs/functions/local-emulator
       *
       * @param origin The origin of the local emulator, such as
       * "http://localhost:5005".
       */
      useFunctionsEmulator(origin) {
          this.emulatorOrigin = origin;
      }
      /**
       * Returns a reference to the callable https trigger with the given name.
       * @param name The name of the trigger.
       */
      httpsCallable(name, options) {
          return data => {
              return this.call(name, data, options || {});
          };
      }
      /**
       * Does an HTTP POST and returns the completed response.
       * @param url The url to post to.
       * @param body The JSON body of the post.
       * @param headers The HTTP headers to include in the request.
       * @return A Promise that will succeed when the request finishes.
       */
      async postJSON(url, body, headers) {
          headers.append('Content-Type', 'application/json');
          let response;
          try {
              response = await fetch(url, {
                  method: 'POST',
                  body: JSON.stringify(body),
                  headers
              });
          }
          catch (e) {
              // This could be an unhandled error on the backend, or it could be a
              // network error. There's no way to know, since an unhandled error on the
              // backend will fail to set the proper CORS header, and thus will be
              // treated as a network error by fetch.
              return {
                  status: 0,
                  json: null
              };
          }
          let json = null;
          try {
              json = await response.json();
          }
          catch (e) {
              // If we fail to parse JSON, it will fail the same as an empty body.
          }
          return {
              status: response.status,
              json
          };
      }
      /**
       * Calls a callable function asynchronously and returns the result.
       * @param name The name of the callable trigger.
       * @param data The data to pass as params to the function.s
       */
      async call(name, data, options) {
          const url = this._url(name);
          // Encode any special types, such as dates, in the input data.
          data = this.serializer.encode(data);
          const body = { data };
          // Add a header for the authToken.
          const headers = new Headers();
          const context = await this.contextProvider.getContext();
          if (context.authToken) {
              headers.append('Authorization', 'Bearer ' + context.authToken);
          }
          if (context.instanceIdToken) {
              headers.append('Firebase-Instance-ID-Token', context.instanceIdToken);
          }
          // Default timeout to 70s, but let the options override it.
          const timeout = options.timeout || 70000;
          const response = await Promise.race([
              this.postJSON(url, body, headers),
              failAfter(timeout),
              this.cancelAllRequests
          ]);
          // If service was deleted, interrupted response throws an error.
          if (!response) {
              throw new HttpsErrorImpl('cancelled', 'Firebase Functions instance was deleted.');
          }
          // Check for an error status, regardless of http status.
          const error = _errorForResponse(response.status, response.json, this.serializer);
          if (error) {
              throw error;
          }
          if (!response.json) {
              throw new HttpsErrorImpl('internal', 'Response is not valid JSON object.');
          }
          let responseData = response.json.data;
          // TODO(klimt): For right now, allow "result" instead of "data", for
          // backwards compatibility.
          if (typeof responseData === 'undefined') {
              responseData = response.json.result;
          }
          if (typeof responseData === 'undefined') {
              // Consider the response malformed.
              throw new HttpsErrorImpl('internal', 'Response is missing data field.');
          }
          // Decode any special types, such as dates, in the returned data.
          const decodedData = this.serializer.decode(responseData);
          return { data: decodedData };
      }
  }
  
  /**
   * @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.
   */
  /**
   * Type constant for Firebase Functions.
   */
  const FUNCTIONS_TYPE = 'functions';
  function factory(container, region) {
      // Dependencies
      const app = container.getProvider('app').getImmediate();
      const authProvider = container.getProvider('auth-internal');
      const messagingProvider = container.getProvider('messaging');
      // eslint-disable-next-line @typescript-eslint/no-explicit-any
      return new Service(app, authProvider, messagingProvider, region);
  }
  function registerFunctions(instance) {
      const namespaceExports = {
          // no-inline
          Functions: Service
      };
      instance.INTERNAL.registerComponent(new Component(FUNCTIONS_TYPE, factory, "PUBLIC" /* PUBLIC */)
          .setServiceProps(namespaceExports)
          .setMultipleInstances(true));
  }
  
  const name = "@firebase/functions";
  const version = "0.4.41";
  
  /**
   * @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.
   */
  registerFunctions(firebase);
  firebase.registerVersion(name, version);
  //# sourceMappingURL=index.esm2017.js.map
  