/
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 typescript from '@rollup/plugin-typescript';
import sveltePreprocess from 'svelte-preprocess';
import livereload from 'rollup-plugin-livereload';
import { terser } from "rollup-plugin-terser";
import css from 'rollup-plugin-css-only';
// if we're not watching then we're in production
const production = !process.env.ROLLUP_WATCH;
function serve() {
// Keep a reference to a spawned server process
let server;
function toExit() {
// Kill the server if it exists
if (server) server.kill(0);
}
return {
writeBundle() {
if (server) return;
// Spawn a child server process
server = require('child_process').spawn(
'npm',
['run', 'start', '--', '--dev'],
{
stdio: ['ignore', 'inherit', 'inherit'],
shell: true,
}
);
// Kill the server on process termination or exit
process.on('SIGTERM', toExit);
process.on('exit', toExit);
},
};
}
export default {
input: 'src/main.ts',
output: {
file: 'public/build/bundle.js',
format: 'iife',
name: 'app',
},
plugins: [
svelte({
preprocess: sveltePreprocess(),
include: 'src/**/*.svelte',
compilerOptions: {
dev: !production
}
}),
css({ output: 'bundle.css' }),
resolve({
browser: true,
dedupe: ["svelte"]
}),
commonjs(),
typescript({
sourceMap: !production,
inlineSources: !production
}),
!production && serve(),
!production && livereload('public'),
production && terser()
],
}