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rollup.config.js
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/**
* Copyright 2021 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 { execSync } from "child_process";
import resolve from "@rollup/plugin-node-resolve";
import omt from "@surma/rollup-plugin-off-main-thread";
import terser from "@rollup/plugin-terser";
import swc from "@rollup/plugin-swc";
import postcss from "rollup-plugin-postcss";
import ejs from "./rollup/ejs.js";
import fileList from "./rollup/file-list.js";
import emitChunk from "./rollup/emit-chunk.js";
import asset from "./rollup/asset.js";
import env from "./rollup/env.js";
import * as rimraf from "rimraf";
rimraf.sync("build");
const currentCommit = execSync("git show HEAD --format=format:%h -s").toString(
"utf8",
);
export default {
output: {
dir: "build",
format: "amd",
entryFileNames: "[name]-[hash].js",
},
plugins: [
asset(),
ejs({
meta: {
currentCommit,
},
files: ["src/_headers", "src/index.html.ejs"],
}),
env(),
emitChunk(),
resolve(),
omt(),
fileList(),
postcss({
minimize: true,
modules: true,
namedExports(name) {
return name.replace(/-\w/g, (val) => val.slice(1).toUpperCase());
},
}),
swc({
jsc: {
parser: {
syntax: "ecmascript",
jsx: true,
dynamicImport: true,
importMeta: true,
},
transform: {
react: {
pragma: "h",
pragmaFrag: "Fragment",
},
},
},
env: {
targets: "last 2 Chrome versions, last 2 Safari versions",
},
}),
process.env.DEBUG
? null
: terser({
compress: true,
mangle: true,
}),
].filter(Boolean),
};