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Svelte rollup config for custom html template with hashed bundle filename
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import svelte from "rollup-plugin-svelte"; | |
import resolve from "@rollup/plugin-node-resolve"; | |
import commonjs from "@rollup/plugin-commonjs"; | |
import json from "@rollup/plugin-json"; | |
import livereload from "rollup-plugin-livereload"; | |
import { terser } from "rollup-plugin-terser"; | |
import html from "@rollup/plugin-html"; | |
const production = !process.env.ROLLUP_WATCH; | |
const version = String( | |
require("child_process").execSync("git rev-parse --short HEAD") | |
).trim(); | |
const htmlOptions = { | |
template: async ({ attributes, files, meta, publicPath, title }) => { | |
const script = (files.js || []) | |
.map(({ fileName }) => { | |
return `<script defer src='${fileName}'></script>`; | |
}) | |
.join("\n"); | |
const css = (files.css || []) | |
.map(({ fileName }) => { | |
return `<link rel='stylesheet' href='${fileName}'>`; | |
}) | |
.join("\n"); | |
return `<!DOCTYPE html> | |
<html lang="en"> | |
<head> | |
<meta charset='utf-8'> | |
<meta name='viewport' content="width=device-width,initial-scale=1,user-scalable=no"> | |
<meta http-equiv='origin-trial' content='ArcEc1taNHMu4hv4uJ0EqaaarH4y4amJM0PAuYQbWz8jQ7PKsDlfqI60XiQEtUGC6rPyIX0a/w9bErcnW28RDgsAAABReyJvcmlnaW4iOiJodHRwczovL29icy13ZWIubmllay50djo0NDMiLCJmZWF0dXJlIjoiV2FrZUxvY2siLCJleHBpcnkiOjE1OTQxNjYzOTl9'> | |
<meta name='apple-mobile-web-app-capable' content='yes'> | |
<title>OBS-web</title> | |
<link rel='icon' type='image/png' href='favicon.png'> | |
${css} | |
<link rel='manifest' href='manifest.json'> | |
${script} | |
</head> | |
<body> | |
</body> | |
</html>`; | |
}, | |
}; | |
export default { | |
input: "src/main.js", | |
output: { | |
sourcemap: true, | |
format: "iife", | |
name: "app", | |
file: `public/build/bundle.${version}.js`, | |
}, | |
plugins: [ | |
svelte({ | |
// enable run-time checks when not in production | |
dev: !production, | |
// we'll extract any component CSS out into | |
// a separate file - better for performance | |
css: (css) => { | |
css.write("public/build/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(), | |
json(), | |
html(htmlOptions), | |
// 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, | |
}, | |
}; | |
function serve() { | |
let started = false; | |
return { | |
writeBundle() { | |
if (!started) { | |
started = true; | |
require("child_process").spawn("npm", ["run", "start", "--", "--dev"], { | |
stdio: ["ignore", "inherit", "inherit"], | |
shell: true, | |
}); | |
} | |
}, | |
}; | |
} |
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