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rollup.config.js
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rollup.config.js
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import copy from "rollup-plugin-copy";
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 svelteSVG from "rollup-plugin-svelte-svg";
import { terser } from "rollup-plugin-terser";
import pkg from "./package.json";
const production = !process.env.ROLLUP_WATCH;
const name = pkg.name
.replace(/^(@\S+\/)?(svelte-)?(\S+)/, "$3")
.replace(/^\w/, (m) => m.toUpperCase())
.replace(/-\w/g, (m) => m[1].toUpperCase());
export default [
{
input: "src/index.js",
output: [
{ file: pkg.module, format: "es", exports: "named" },
{ file: pkg.main, format: "umd", name, exports: "named" },
],
plugins: [svelte(), terser(), resolve(), svelteSVG()],
},
{
input: "src/index.js",
output: [{ file: pkg.web, format: "umd", name, exports: "named" }],
plugins: [
svelte({ customElement: true }),
terser(),
resolve(),
svelteSVG(),
],
},
{
input: "demo/main.js",
output: {
sourcemap: true,
format: "iife",
name: "app",
file: "public/build/bundle.js",
},
plugins: [
svelte({
dev: !production,
css: (css) => {
css.write("public/build/bundle.css");
},
}),
resolve({
browser: true,
dedupe: ["svelte"],
}),
commonjs(),
svelteSVG(),
copy({
targets: [
{
src: "demo/web-components/index.html",
dest: "public/web-components",
},
],
}),
!production && serve(),
!production && livereload("public"),
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,
});
}
},
};
}