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rollup.config.js
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rollup.config.js
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import svelte from 'rollup-plugin-svelte';
import commonjs from '@rollup/plugin-commonjs';
import resolve from '@rollup/plugin-node-resolve';
import livereload from 'rollup-plugin-livereload';
import { terser } from 'rollup-plugin-terser';
import sveltePreprocess from 'svelte-preprocess';
import typescript from '@rollup/plugin-typescript';
import css from 'rollup-plugin-css-only';
import nodePolyfills from 'rollup-plugin-node-polyfills';
import json from "@rollup/plugin-json";
import { config } from 'dotenv';
import replace from '@rollup/plugin-replace';
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/build/bundle.js',
globals: {
crypto: 'crypto',
//buffer: 'window.buffer.Buffer'
},
},
plugins: [
svelte({
preprocess: sveltePreprocess({ sourceMap: !production }),
compilerOptions: {
// enable run-time checks when not in production
dev: !production
}
}),
json(),
replace({
preventAssignment: true,
values:
dotNotate({
process: {
env: {
...config().parsed
}
}
})
}),
nodePolyfills(),
// 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(),
typescript({
sourceMap: !production,
inlineSources: !production
}),
// 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('public'),
// If we're building for production (npm run build
// instead of npm run dev), minify
production && terser()
],
watch: {
clearScreen: false
},
external: [
'crypto'
],
}
function dotNotate(obj, target, prefix) {
target = target || {},
prefix = prefix || "";
Object.keys(obj).forEach(function (key) {
if (typeof (obj[key]) === "object" && obj[key] !== null) {
dotNotate(obj[key], target, prefix + key + ".");
} else {
return target[prefix + key] = `"${obj[key]}"`;
}
});
return target;
}