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Code Issues Releases Wiki Activity

License and linting fixes.

pull/21833/head
Richard Lewis 2017-12-19 17:08:17 +00:00
parent 774774c365
commit 8e5c3f01b4
1 changed files with 23 additions and 7 deletions
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30
src/MatrixPostMessageApi.js
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@ -1,10 +1,26 @@
/*
Copyright 2017 New Vector Ltd
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
import Promise from "bluebird"; import Promise from "bluebird";
function defer() { function defer() {
let resolve, reject; let resolve;
let reject;
let isPending = true; let isPending = true;
let promise = new Promise(function(...args) { const promise = new Promise(function(...args) {
resolve = args[0]; resolve = args[0];
reject = args[1]; reject = args[1];
}); });
@ -55,18 +71,18 @@ export default class PostMessageApi {
if (this._onMsgCallback) { if (this._onMsgCallback) {
return this._onMsgCallback; return this._onMsgCallback;
} }
let self = this; const self = this;
this._onMsgCallback = function(ev) { this._onMsgCallback = function(ev) {
// THIS IS ALL UNSAFE EXECUTION. // THIS IS ALL UNSAFE EXECUTION.
// We do not verify who the sender of `ev` is! // We do not verify who the sender of `ev` is!
let payload = ev.data; const payload = ev.data;
// NOTE: Workaround for running in a mobile WebView where a // NOTE: Workaround for running in a mobile WebView where a
// postMessage immediately triggers this callback even though it is // postMessage immediately triggers this callback even though it is
// not the response. // not the response.
if (payload.response === undefined) { if (payload.response === undefined) {
return; return;
} }
let deferred = self._pending[payload._id]; const deferred = self._pending[payload._id];
if (!deferred) { if (!deferred) {
return; return;
} }
@ -83,7 +99,7 @@ export default class PostMessageApi {
this._counter += 1; this._counter += 1;
target = target || "*"; target = target || "*";
action._id = Date.now() + "-" + Math.random().toString(36) + "-" + this._counter; action._id = Date.now() + "-" + Math.random().toString(36) + "-" + this._counter;
let d = defer(); const d = defer();
this._pending[action._id] = d; this._pending[action._id] = d;
this._window.postMessage(action, target); this._window.postMessage(action, target);