private validateMessagingOptions()

in src/messaging/messaging.ts [877:946]
63 lines of code
28 McCabe index (conditional complexity)

  private validateMessagingOptions(options: MessagingOptions): MessagingOptions {
    const optionsCopy: MessagingOptions = deepCopy(options);

    // Validate the options object does not contain blacklisted properties
    BLACKLISTED_OPTIONS_KEYS.forEach((blacklistedKey) => {
      if (blacklistedKey in optionsCopy) {
        throw new FirebaseMessagingError(
          MessagingClientErrorCode.INVALID_OPTIONS,
          `Messaging options contains the blacklisted "${blacklistedKey}" property.`,
        );
      }
    });

    // Convert whitelisted camelCase keys to underscore_case
    utils.renameProperties(optionsCopy, CAMELCASE_OPTIONS_KEYS_MAP);

    // Validate the options object contains valid values for whitelisted properties
    if ('collapse_key' in optionsCopy && !validator.isNonEmptyString((optionsCopy as any).collapse_key)) {
      const keyName = ('collapseKey' in options) ? 'collapseKey' : 'collapse_key';
      throw new FirebaseMessagingError(
        MessagingClientErrorCode.INVALID_OPTIONS,
        `Messaging options contains an invalid value for the "${keyName}" property. Value must ` +
        'be a non-empty string.',
      );
    } else if ('dry_run' in optionsCopy && !validator.isBoolean((optionsCopy as any).dry_run)) {
      const keyName = ('dryRun' in options) ? 'dryRun' : 'dry_run';
      throw new FirebaseMessagingError(
        MessagingClientErrorCode.INVALID_OPTIONS,
        `Messaging options contains an invalid value for the "${keyName}" property. Value must ` +
        'be a boolean.',
      );
    } else if ('priority' in optionsCopy && !validator.isNonEmptyString(optionsCopy.priority)) {
      throw new FirebaseMessagingError(
        MessagingClientErrorCode.INVALID_OPTIONS,
        'Messaging options contains an invalid value for the "priority" property. Value must ' +
        'be a non-empty string.',
      );
    } else if ('restricted_package_name' in optionsCopy &&
      !validator.isNonEmptyString((optionsCopy as any).restricted_package_name)) {
      const keyName = ('restrictedPackageName' in options) ? 'restrictedPackageName' : 'restricted_package_name';
      throw new FirebaseMessagingError(
        MessagingClientErrorCode.INVALID_OPTIONS,
        `Messaging options contains an invalid value for the "${keyName}" property. Value must ` +
        'be a non-empty string.',
      );
    } else if ('time_to_live' in optionsCopy && !validator.isNumber((optionsCopy as any).time_to_live)) {
      const keyName = ('timeToLive' in options) ? 'timeToLive' : 'time_to_live';
      throw new FirebaseMessagingError(
        MessagingClientErrorCode.INVALID_OPTIONS,
        `Messaging options contains an invalid value for the "${keyName}" property. Value must ` +
        'be a number.',
      );
    } else if ('content_available' in optionsCopy && !validator.isBoolean((optionsCopy as any).content_available)) {
      const keyName = ('contentAvailable' in options) ? 'contentAvailable' : 'content_available';
      throw new FirebaseMessagingError(
        MessagingClientErrorCode.INVALID_OPTIONS,
        `Messaging options contains an invalid value for the "${keyName}" property. Value must ` +
        'be a boolean.',
      );
    } else if ('mutable_content' in optionsCopy && !validator.isBoolean((optionsCopy as any).mutable_content)) {
      const keyName = ('mutableContent' in options) ? 'mutableContent' : 'mutable_content';
      throw new FirebaseMessagingError(
        MessagingClientErrorCode.INVALID_OPTIONS,
        `Messaging options contains an invalid value for the "${keyName}" property. Value must ` +
        'be a boolean.',
      );
    }

    return optionsCopy;
  }