/
rollup.config.js
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/
rollup.config.js
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import svelte from "rollup-plugin-svelte";
import resolve from "@rollup/plugin-node-resolve";
import commonjs from "@rollup/plugin-commonjs";
import livereload from "rollup-plugin-livereload";
import sveltePreprocess from "svelte-preprocess";
import typescript from "@rollup/plugin-typescript";
import { terser } from "rollup-plugin-terser";
const production = !process.env.ROLLUP_WATCH;
function serve() {
let server;
function toExit() {
if (server) server.kill(0);
}
return {
writeBundle() {
if (server) return;
server = require("child_process").spawn(
"npm",
["run", "start", "--", "--dev"],
{
stdio: ["ignore", "inherit", "inherit"],
shell: true
}
);
process.on("SIGTERM", toExit);
process.on("exit", toExit);
}
};
}
export default {
input: "src/main.ts",
output: {
sourcemap: true,
format: "iife",
name: "app",
file: "public/bundle.js"
},
plugins: [
svelte({
dev: !production,
css: css => {
css.write("public/bundle.css");
},
preprocess: sveltePreprocess()
}),
resolve({
browser: true,
dedupe: ["svelte"]
}),
commonjs(),
typescript(),
!production && serve(),
!production && livereload("public"),
production && terser()
],
watch: {
clearScreen: false
}
};