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rollup.config.js
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rollup.config.js
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import commonjs from "@rollup/plugin-commonjs";
import typescript from "@rollup/plugin-typescript";
import terser from "@rollup/plugin-terser";
const isProduction = process.env.NODE_ENV === "production";
export default [
// browser-friendly UMD build
{
input: "src/main.ts",
output: {
name: "yourLibrary",
file: "dist/your-library.umd.js",
format: "umd",
},
plugins: [
commonjs(), // so Rollup can convert `ms` to an ES module
typescript({ module: "esnext", tsconfig: "./tsconfig.json" }), // so Rollup can convert TypeScript to JavaScript
isProduction && terser(),
],
},
// CommonJS (for Node) and ES module (for bundlers) build.
// (We could have three entries in the configuration array
// instead of two, but it's quicker to generate multiple
// builds from a single configuration where possible, using
// an array for the `output` option, where we can specify
// `file` and `format` for each target)
{
input: "src/main.ts",
external: ["ms"],
plugins: [
typescript({ module: "esnext", tsconfig: "./tsconfig.json" }), // so Rollup can convert TypeScript to JavaScript
isProduction && terser(),
],
output: [
{ file: "dist/your-library.cjs.js", format: "cjs" },
{ file: "dist/your-library.esm.js", format: "es" },
],
},
];