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rollup.config.js
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import { terser } from "rollup-plugin-terser";
import resolve from "@rollup/plugin-node-resolve";
import replace from "@rollup/plugin-replace";
import commonjs from "@rollup/plugin-commonjs";
import json from "@rollup/plugin-json";
import typescript from "rollup-plugin-typescript2";
import filesize from "rollup-plugin-filesize";
import minifyHTML from "rollup-plugin-minify-html-literals";
import pkg from "./package.json";
const input = `./src/index.ts`;
const plugins = [
typescript(),
replace({ "Reflect.decorate": "undefined" }),
minifyHTML(),
commonjs(),
resolve(),
json(),
terser({
module: true,
warnings: true,
mangle: {
properties: {
regex: /^__/,
},
},
}),
filesize({
showBrotliSize: true,
}),
];
const external = ["lit"]
const get = (input, pkg) => {
const mainBundle = {
input,
external,
output: {
file: pkg.module,
format: "esm",
sourcemap: true,
},
plugins,
};
const cjsBundle = {
input,
external,
output: {
file: pkg.main,
format: "cjs",
sourcemap: true,
},
plugins,
};
const systemBundle = {
input,
external,
output: {
file: pkg.system,
format: "system",
sourcemap: true,
},
plugins,
};
return [mainBundle, cjsBundle, systemBundle]
}
export default [
...get(input, pkg)
];