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110 lines
2.6 KiB
JavaScript
110 lines
2.6 KiB
JavaScript
import svelte from 'rollup-plugin-svelte';
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import resolve from '@rollup/plugin-node-resolve';
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import commonjs from '@rollup/plugin-commonjs';
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import livereload from 'rollup-plugin-livereload';
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import {terser} from 'rollup-plugin-terser';
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import image from '@rollup/plugin-image';
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import babel from 'rollup-plugin-babel';
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import polyfill from 'rollup-plugin-polyfill';
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const production = !process.env.ROLLUP_WATCH;
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function serve() {
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let server;
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function toExit() {
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if (server) server.kill(0);
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}
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return {
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writeBundle() {
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if (server) return;
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server = require('child_process').spawn('npm', ['run', 'start', '--', '--dev'], {
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stdio: ['ignore', 'inherit', 'inherit'],
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shell: true
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});
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process.on('SIGTERM', toExit);
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process.on('exit', toExit);
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}
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};
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}
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export default {
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input: 'src/main.js',
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output: {
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sourcemap: true,
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format: 'iife',
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name: 'app',
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file: 'public/build/bundle.js'
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},
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plugins: [
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image(),
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svelte({
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// enable run-time checks when not in production
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dev: !production,
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// we'll extract any component CSS out into
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// a separate file - better for performance
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css: css => {
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css.write('bundle.css');
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}
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}),
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// If you have external dependencies installed from
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// npm, you'll most likely need these plugins. In
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// some cases you'll need additional configuration -
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// consult the documentation for details:
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// https://github.com/rollup/plugins/tree/master/packages/commonjs
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resolve({
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browser: true,
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dedupe: ['svelte', 'svelte/transition', 'svelte/internal']
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}),
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commonjs(),
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// In dev mode, call `npm run start` once
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// the bundle has been generated
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!production && serve(),
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// Watch the `public` directory and refresh the
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// browser on changes when not in production
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!production && livereload('public'),
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// Credit: https://blog.az.sg/posts/svelte-and-ie11/
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babel({
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extensions: [ '.js', '.jsx', '.es6', '.es', '.mjs', '.svelte', '.html' ],
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runtimeHelpers: true,
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exclude: [ 'node_modules/@babel/**', 'node_modules/core-js/**' ],
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presets: [
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[
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'@babel/preset-env',
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{
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targets: '> 0.25%, not dead, IE 11',
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modules: false,
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useBuiltIns: 'usage',
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forceAllTransforms: true,
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corejs: 3,
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},
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]
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],
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plugins: [
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'@babel/plugin-syntax-dynamic-import',
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[
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'@babel/plugin-transform-runtime',
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{
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useESModules: true
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}
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]
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]
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}),
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polyfill(['@webcomponents/webcomponentsjs']),
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// If we're building for production (npm run build
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// instead of npm run dev), minify
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production && terser()
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],
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watch: {
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clearScreen: false
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}
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};
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