Files
squoosh/rollup.config.js
2020-09-23 14:38:41 +01:00

111 lines
3.6 KiB
JavaScript

/**
* Copyright 2020 Google Inc. All Rights Reserved.
* 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 * as path from 'path';
import { promises as fsp } from 'fs';
import del from 'del';
import resolve from '@rollup/plugin-node-resolve';
import commonjs from '@rollup/plugin-commonjs';
import { terser } from 'rollup-plugin-terser';
import OMT from '@surma/rollup-plugin-off-main-thread';
import replace from '@rollup/plugin-replace';
import simpleTS from './lib/simple-ts';
import clientBundlePlugin from './lib/client-bundle-plugin';
import nodeExternalPlugin from './lib/node-external-plugin';
import cssPlugin from './lib/css-plugin';
import assetPlugin from './lib/asset-plugin';
import resolveDirsPlugin from './lib/resolve-dirs-plugin';
import runScript from './lib/run-script';
import emitFiles from './lib/emit-files-plugin';
import imageWorkerPlugin from './lib/image-worker-plugin';
function resolveFileUrl({ fileName }) {
return JSON.stringify(fileName.replace(/^static\//, '/'));
}
// With AMD output, Rollup always uses document.baseURI, which breaks in workers.
// This fixes it:
function resolveImportMeta(property, { chunkId }) {
if (property !== 'url') return;
return `new URL(${resolveFileUrl({ fileName: chunkId })}, location).href`;
}
export default async function ({ watch }) {
const omtLoaderPromise = fsp.readFile(
path.join(__dirname, 'lib', 'omt.ejs'),
'utf-8',
);
await del('.tmp/build');
const isProduction = !watch;
const tsPluginInstance = simpleTS('.', {
watch,
});
const commonPlugins = () => [
tsPluginInstance,
resolveDirsPlugin([
'src/static-build',
'src/client',
'src/features',
'codecs',
]),
assetPlugin(),
cssPlugin(resolveFileUrl),
];
const dir = '.tmp/build';
const staticPath = 'static/c/[name]-[hash][extname]';
return {
input: 'src/static-build/index.tsx',
output: {
dir,
format: 'cjs',
assetFileNames: staticPath,
exports: 'named',
},
// Don't watch the ts files. Instead we watch the output from the ts compiler.
watch: { clearScreen: false, exclude: ['**/*.ts', '**/*.tsx'] },
preserveModules: true,
plugins: [
{ resolveFileUrl, resolveImportMeta },
clientBundlePlugin(
{
plugins: [
{ resolveFileUrl, resolveImportMeta },
OMT({ loader: await omtLoaderPromise }),
...commonPlugins(),
commonjs(),
resolve(),
replace({ __PRERENDER__: false, __PRODUCTION__: isProduction }),
//terser({ module: true }),
],
},
{
dir,
format: 'amd',
chunkFileNames: staticPath.replace('[extname]', '.js'),
entryFileNames: staticPath.replace('[extname]', '.js'),
},
resolveFileUrl,
),
...commonPlugins(),
emitFiles({ include: '**/*', root: path.join(__dirname, 'src', 'copy') }),
nodeExternalPlugin(),
imageWorkerPlugin(),
replace({ __PRERENDER__: true, __PRODUCTION__: isProduction }),
runScript(dir + '/index.js'),
],
};
}