post-message.js
1.44 KB
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"use strict";
const DOMException = require("domexception/webidl2js-wrapper");
const MessageEvent = require("./generated/MessageEvent");
const idlUtils = require("./generated/utils");
const { isValidTargetOrigin } = require("../utils");
const { fireAnEvent } = require("./helpers/events");
module.exports = function (globalObject) {
return function (message, targetOrigin) {
if (arguments.length < 2) {
throw new TypeError("'postMessage' requires 2 arguments: 'message' and 'targetOrigin'");
}
targetOrigin = String(targetOrigin);
if (!isValidTargetOrigin(targetOrigin)) {
// TODO: Fix me
throw DOMException.create(globalObject, [
"Failed to execute 'postMessage' on 'Window': " +
"Invalid target origin '" + targetOrigin + "' in a call to 'postMessage'.",
"SyntaxError"
]);
}
// TODO: targetOrigin === '/' - requires reference to source window
// See https://github.com/jsdom/jsdom/pull/1140#issuecomment-111587499
if (targetOrigin !== "*" && targetOrigin !== idlUtils.implForWrapper(globalObject._document)._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
setTimeout(() => {
fireAnEvent("message", this, MessageEvent, { data: message });
}, 0);
};
};