@twilio/voice-react-native-sdk/lib/module/CallMessage/CallMessage.js

Twilio Voice React Native SDK

/**
 * Copyright © 2022 Twilio, Inc. All rights reserved. Licensed under the Twilio
 * license.
 *
 * See LICENSE in the project root for license information.
 */
import { InvalidArgumentError } from '../error/InvalidArgumentError';
/**
 * The constituent values of a Call Message.
 *
 * @public
 */

/**
 * Parse CallMessage values. Used when constructing a CallMessage from the
 * native layer, or by the Call and CallInvite classes when sending a
 * CallMessage.
 *
 * @param message the CallMessage details.
 *
 * @internal
 */
export function validateCallMessage(message) {
  const content = message.content;
  const messageType = message.messageType;
  let contentType = message.contentType;

  if (typeof contentType === 'undefined') {
    contentType = 'application/json';
  }

  if (typeof contentType !== 'string') {
    throw new InvalidArgumentError('If "contentType" is present, it must be of type "string".');
  }

  if (typeof messageType !== 'string') {
    throw new InvalidArgumentError('"messageType" must be of type "string".');
  }

  if (typeof content === 'undefined' || content === null) {
    throw new InvalidArgumentError('"content" must be defined and not "null".');
  }

  const contentStr = typeof content === 'string' ? content : JSON.stringify(content);
  return {
    content: contentStr,
    contentType,
    messageType
  };
}
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