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rollup.config.js
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rollup.config.js
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/* eslint-disable global-require */
import commonjs from "@rollup/plugin-commonjs";
import resolve from "@rollup/plugin-node-resolve";
import css from "rollup-plugin-css-only";
import postcss from "rollup-plugin-postcss";
import livereload from "rollup-plugin-livereload";
import svelte from "rollup-plugin-svelte";
import replace from "@rollup/plugin-replace";
import { terser } from "rollup-plugin-terser";
import { preprocess } from "./svelte.config";
const production = !process.env.ROLLUP_WATCH;
export default [
{
input: "src/ui/global.css",
output: { file: "public/build/global.css" },
plugins: [postcss({ extract: true })],
},
{
input: "src/ui/main.js",
output: {
sourcemap: true,
format: "iife",
name: "app",
file: "public/build/bundle.js",
},
plugins: [
replace({
"process.env.NODE_ENV": process.env.NODE_ENV,
}),
svelte({
preprocess,
compilerOptions: {
// enable run-time checks when not in production
dev: !production,
hydratable: true,
},
}),
// we'll extract any component CSS out into
// a separate file - better for performance
css({ output: "bundle.css" }),
// If you have external dependencies installed from
// npm, you'll most likely need these plugins. In
// some cases you'll need additional configuration -
// consult the documentation for details:
// https://github.com/rollup/plugins/tree/master/packages/commonjs
resolve({
browser: true,
dedupe: ["svelte"],
}),
commonjs(),
// In dev mode, call `npm run start` once
// the bundle has been generated
// !production && serve(),
// Watch the `public` directory and refresh the
// browser on changes when not in production
!production && livereload({ watch: "public" }),
// If we're building for production (npm run build
// instead of npm run dev), minify
production && terser(),
],
watch: {
clearScreen: false,
},
},
];