penpal/es5/parent/handleSynMessageFactory.js

A promise-based library for communicating with iframes via postMessage.

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.default = void 0;

var _enums = require("../enums");

/**
 * Handles a SYN handshake message.
 */
var _default = (log, serializedMethods, childOrigin, originForSending) => {
  return event => {
    if (childOrigin !== '*' && event.origin !== childOrigin) {
      log("Parent: Handshake - Received SYN message from origin ".concat(event.origin, " which did not match expected origin ").concat(childOrigin));
      return;
    }

    log('Parent: Handshake - Received SYN, responding with SYN-ACK');
    const synAckMessage = {
      penpal: _enums.MessageType.SynAck,
      methodNames: Object.keys(serializedMethods)
    };
    event.source.postMessage(synAckMessage, originForSending);
  };
};

exports.default = _default;