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add legacy extras, so deps only needed for legacy are not in main bundle

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This commit is contained in:
Bruno Windels 2020-09-16 18:28:48 +02:00
parent aac67ff890
commit 77a21c08eb
3 changed files with 13 additions and 6 deletions
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14
scripts/build.mjs
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@ -88,7 +88,7 @@ async function build() {
// so do it first // so do it first
const themeAssets = await copyThemeAssets(themes, legacy); const themeAssets = await copyThemeAssets(themes, legacy);
const jsBundlePath = await buildJs("src/main.js", `${PROJECT_ID}.js`); const jsBundlePath = await buildJs("src/main.js", `${PROJECT_ID}.js`);
const jsLegacyBundlePath = await buildJsLegacy("src/main.js", `${PROJECT_ID}-legacy.js`); const jsLegacyBundlePath = await buildJsLegacy("src/main.js", `${PROJECT_ID}-legacy.js`, 'src/legacy-extras.js');
const jsWorkerPath = await buildWorkerJsLegacy("src/worker.js", `worker.js`); const jsWorkerPath = await buildWorkerJsLegacy("src/worker.js", `worker.js`);
const cssBundlePaths = await buildCssBundles(legacy ? buildCssLegacy : buildCss, themes, themeAssets); const cssBundlePaths = await buildCssBundles(legacy ? buildCssLegacy : buildCss, themes, themeAssets);
@ -185,7 +185,7 @@ async function buildHtml(doc, version, assetPaths, manifestPath) {
doc("script#main").replaceWith( doc("script#main").replaceWith(
`<script type="module">import {main} from "./${assetPaths.jsBundle()}"; main(document.body, ${pathsJSON});</script>` + `<script type="module">import {main} from "./${assetPaths.jsBundle()}"; main(document.body, ${pathsJSON});</script>` +
`<script type="text/javascript" nomodule src="${assetPaths.jsLegacyBundle()}"></script>` + `<script type="text/javascript" nomodule src="${assetPaths.jsLegacyBundle()}"></script>` +
`<script type="text/javascript" nomodule>${PROJECT_ID}Bundle.main(document.body, ${pathsJSON});</script>`); `<script type="text/javascript" nomodule>${PROJECT_ID}Bundle.main(document.body, ${pathsJSON}, ${PROJECT_ID}Bundle.legacyExtras);</script>`);
removeOrEnableScript(doc("script#service-worker"), offline); removeOrEnableScript(doc("script#service-worker"), offline);
const versionScript = doc("script#version"); const versionScript = doc("script#version");
@ -218,7 +218,7 @@ async function buildJs(inputFile, outputName) {
return bundlePath; return bundlePath;
} }
async function buildJsLegacy(inputFile, outputName, polyfillFile = null) { async function buildJsLegacy(inputFile, outputName, extraFile, polyfillFile) {
// compile down to whatever IE 11 needs // compile down to whatever IE 11 needs
const babelPlugin = babel.babel({ const babelPlugin = babel.babel({
babelHelpers: 'bundled', babelHelpers: 'bundled',
@ -237,9 +237,13 @@ async function buildJsLegacy(inputFile, outputName, polyfillFile = null) {
if (!polyfillFile) { if (!polyfillFile) {
polyfillFile = 'src/legacy-polyfill.js'; polyfillFile = 'src/legacy-polyfill.js';
} }
const inputFiles = [polyfillFile, inputFile];
if (extraFile) {
inputFiles.push(extraFile);
}
// create js bundle // create js bundle
const rollupConfig = { const rollupConfig = {
input: [polyfillFile, inputFile], input: inputFiles,
plugins: [multi(), commonjs(), nodeResolve(), babelPlugin, removeJsComments({comments: "none"})] plugins: [multi(), commonjs(), nodeResolve(), babelPlugin, removeJsComments({comments: "none"})]
}; };
const bundle = await rollup(rollupConfig); const bundle = await rollup(rollupConfig);
@ -255,7 +259,7 @@ async function buildJsLegacy(inputFile, outputName, polyfillFile = null) {
function buildWorkerJsLegacy(inputFile, outputName) { function buildWorkerJsLegacy(inputFile, outputName) {
const polyfillFile = 'src/worker-polyfill.js'; const polyfillFile = 'src/worker-polyfill.js';
return buildJsLegacy(inputFile, outputName, polyfillFile); return buildJsLegacy(inputFile, outputName, null, polyfillFile);
} }
async function buildOffline(version, assetPaths) { async function buildOffline(version, assetPaths) {

3
src/legacy-extras.js Normal file
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@ -0,0 +1,3 @@
//import aesjs from "../lib/aes-js/index.js";
let aesjs = "aesjs";
export const legacyExtras = {aesjs};

2
src/main.js
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@ -78,7 +78,7 @@ async function loadOlmWorker(paths) {
// Don't use a default export here, as we use multiple entries during legacy build, // Don't use a default export here, as we use multiple entries during legacy build,
// which does not support default exports, // which does not support default exports,
// see https://github.com/rollup/plugins/tree/master/packages/multi-entry // see https://github.com/rollup/plugins/tree/master/packages/multi-entry
export async function main(container, paths) { export async function main(container, paths, legacyExtras) {
try { try {
const isIE11 = !!window.MSInputMethodContext && !!document.documentMode; const isIE11 = !!window.MSInputMethodContext && !!document.documentMode;
if (isIE11) { if (isIE11) {