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Merge pull request #8283 from vector-im/dbkr/bustin_makes_me_feel_good

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Cache-bust olm.wasm
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David Baker 2019-01-28 14:32:19 +00:00 committed by GitHub
commit 99150b9b49
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3 changed files with 16 additions and 8 deletions
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4
scripts/copy-res.js
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@ -58,10 +58,6 @@ const COPY_LIST = [
["node_modules/matrix-react-sdk/res/media/**", "webapp/media"],
["node_modules/emojione/assets/svg/*", "webapp/emojione/svg/"],
["node_modules/emojione/assets/png/*", "webapp/emojione/png/"],
// XXX: This is tied quite heavily to the matching olm.js so it really should be
// in the bundle dir with the js to avoid caching issues giving us wasm that
// doesn't match our js, but I cannot find any way to get webpack to do this.
["node_modules/olm/olm.wasm", "webapp", { directwatch: 1 }],
["node_modules/olm/olm_legacy.js", "webapp", { directwatch: 1 }],
["./config.json", "webapp", { directwatch: 1 }],
];

11
src/vector/index.js
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@ -24,6 +24,8 @@ require('gfm.css/gfm.css');
require('highlight.js/styles/github.css');
require('draft-js/dist/Draft.css');
import olmWasmPath from 'olm/olm.wasm';
import './rageshakesetup';
import React from 'react';
@ -379,18 +381,19 @@ function loadOlm() {
*
* We also need to tell the Olm js to look for its wasm file at the same
* level as index.html. It really should be in the same place as the js,
* ie. in the bundle directory, to avoid caching issues, but as far as I
* can tell this is completely impossible with webpack.
* ie. in the bundle directory, but as far as I can tell this is
* completely impossible with webpack. We do, however, use a hashed
* filename to avoid caching issues.
*/
return Olm.init({
locateFile: () => 'olm.wasm',
locateFile: () => olmWasmPath,
}).then(() => {
console.log("Using WebAssembly Olm");
}).catch((e) => {
console.log("Failed to load Olm: trying legacy version");
return new Promise((resolve, reject) => {
const s = document.createElement('script');
s.src = 'olm_legacy.js';
s.src = 'olm_legacy.js'; // XXX: This should be cache-busted too
s.onload = resolve;
s.onerror = reject;
document.body.appendChild(s);

9
webpack.config.js
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@ -25,6 +25,15 @@ module.exports = {
rules: [
{ enforce: 'pre', test: /\.js$/, use: "source-map-loader", exclude: /node_modules/, },
{ test: /\.js$/, use: "babel-loader", include: path.resolve(__dirname, 'src') },
{
test: /\.wasm$/,
loader: "file-loader",
type: "javascript/auto", // https://github.com/webpack/webpack/issues/6725
options: {
name: '[name].[hash:7].[ext]',
outputPath: '.',
},
},
{
test: /\.scss$/,
// 1. postcss-loader turns the SCSS into normal CSS.