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remove comments in js bundles, saves ~100kb

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This commit is contained in:
Bruno Windels 2020-08-18 11:47:20 +02:00
parent c73d6bb3cb
commit a094abf4da
2 changed files with 7 additions and 2 deletions
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1
package.json
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@ -41,6 +41,7 @@
"postcss-url": "^8.0.0",
"regenerator-runtime": "^0.13.7",
"rollup": "^1.15.6",
"rollup-plugin-cleanup": "^3.1.1",
"serve-static": "^1.13.2",
"xxhash": "^0.3.0"
}

8
scripts/build.mjs
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@ -34,6 +34,7 @@ import { nodeResolve } from '@rollup/plugin-node-resolve';
import commonjs from '@rollup/plugin-commonjs';
// multi-entry plugin so we can add polyfill file to main
import multi from '@rollup/plugin-multi-entry';
import removeJsComments from 'rollup-plugin-cleanup';
// replace urls of asset names with content hashed version
import postcssUrl from "postcss-url";
@ -173,7 +174,10 @@ async function buildHtml(doc, version, assetPaths, manifestPath) {
async function buildJs() {
// create js bundle
const bundle = await rollup.rollup({input: 'src/main.js'});
const bundle = await rollup.rollup({
input: 'src/main.js',
plugins: [removeJsComments({comments: "none"})]
});
const {output} = await bundle.generate({
format: 'es',
name: `${PROJECT_ID}Bundle`
@ -203,7 +207,7 @@ async function buildJsLegacy() {
// create js bundle
const rollupConfig = {
input: ['src/legacy-polyfill.js', 'src/main.js'],
plugins: [multi(), commonjs(), nodeResolve(), babelPlugin]
plugins: [multi(), commonjs(), nodeResolve(), babelPlugin, removeJsComments({comments: "none"})]
};
const bundle = await rollup.rollup(rollupConfig);
const {output} = await bundle.generate({