“use strict”; const isValidTargetOrigin = require(“../utils”).isValidTargetOrigin; const DOMException = require(“../web-idl/DOMException”);

module.exports = function (message, targetOrigin) {

if (arguments.length < 2) {
  throw new TypeError("'postMessage' requires 2 arguments: 'message' and 'targetOrigin'");
}

targetOrigin = String(targetOrigin);

if (!isValidTargetOrigin(targetOrigin)) {
  throw new DOMException(DOMException.SYNTAX_ERR, "Failed to execute 'postMessage' on 'Window': " +
    "Invalid target origin '" + targetOrigin + "' in a call to 'postMessage'.");
}

// TODO: targetOrigin === '/' - requires reference to source window
// See https://github.com/tmpvar/jsdom/pull/1140#issuecomment-111587499
if (targetOrigin !== "*" && targetOrigin !== this.origin) {
  return;
}

// TODO: event.source - requires reference to source window
// TODO: event.origin - requires reference to source window
// TODO: event.ports
// TODO: event.data - structured clone message - requires cloning DOM nodes
const event = new this.MessageEvent("message", {
  data: message
});

event.initEvent("message", false, false);

setTimeout(() => {
  this.dispatchEvent(event);
}, 0);

};