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Fix the IndexedDB worker 

Looks like this was broken in the webpack 4 upgrade due to the
worker script setter and the bundle being re-ordered in index.html.

 * Remove the loop: we only use two scripts now, so import them
   explicitly
 * Remove outdated olm import code.
 * Stop generating a script import for each theme: we were pulling
   in 3 js files that did absolutely nothing.
 * Fix worker 'onmessage' scope (set it as a global rather than
   trying to make it an ES6 module which it isn't).
 * Fail hard if the indexeddb worker script isn't set to avoid
   this happening again.
This commit is contained in:
David Baker 2018-12-19 22:05:04 +00:00
parent b35903bb19
commit 7527bdd2c7
3 changed files with 12 additions and 23 deletions
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26
src/vector/index.html
View File

@ -36,28 +36,10 @@
<body style="height: 100%;">
<section id="matrixchat" style="height: 100%;"></section>
<noscript>Sorry, Riot requires JavaScript to be enabled.</noscript> <!-- TODO: Translate this? -->
<% for (var i=0; i < htmlWebpackPlugin.files.js.length; i++) {
if (_.endsWith(htmlWebpackPlugin.files.js[i], 'olm.js')) {
var array = htmlWebpackPlugin.files.js;
htmlWebpackPlugin.files.js.unshift(htmlWebpackPlugin.files.js[i]);
htmlWebpackPlugin.files.js.splice(i, 1);
}
}
for (var i=0; i < htmlWebpackPlugin.files.js.length; i++) {
// Not a particularly graceful way of not putting the indexeddb worker script
// into the main page
if (_.endsWith(htmlWebpackPlugin.files.js[i], 'indexeddb-worker.js')) {
%>
<script>
window.vector_indexeddb_worker_script = '<%= htmlWebpackPlugin.files.js[i] %>';
</script>
<%
continue;
}
%>
<script src="<%= htmlWebpackPlugin.files.js[i] %>"></script>
<% } %>
<script>
window.vector_indexeddb_worker_script = '<%= htmlWebpackPlugin.files.chunks['indexeddb-worker'].entry %>';
</script>
<script src="<%= htmlWebpackPlugin.files.chunks['bundle'].entry %>"></script>
<img src="img/warning.svg" width="24" height="23" style="visibility: hidden; position: absolute; top: 0px; left: 0px;"/>
<audio id="messageAudio">
<source src="media/message.ogg" type="audio/ogg" />

7
src/vector/index.js
View File

@ -209,6 +209,13 @@ function onTokenLoginCompleted() {
}
async function loadApp() {
if (window.vector_indexeddb_worker_script === undefined) {
// If this is missing, something has probably gone wrong with
// the bundling. The js-sdk will just fall back to accessing
// indexeddb directly with no worker script, but we want to
// make sure the indexeddb script is present, so fail hard.
throw new Error("Missing indexeddb worker script!");
}
MatrixClientPeg.setIndexedDbWorkerScript(window.vector_indexeddb_worker_script);
CallHandler.setConferenceHandler(VectorConferenceHandler);

2
src/vector/indexeddb-worker.js
View File

@ -18,4 +18,4 @@ import {IndexedDBStoreWorker} from 'matrix-js-sdk/lib/indexeddb-worker.js';
const remoteWorker = new IndexedDBStoreWorker(postMessage);
export const onmessage = remoteWorker.onMessage;
global.onmessage = remoteWorker.onMessage;