simple-react-event-hub/rollup.config.js

A simple hub that your react components can use to listen for events triggered by other components (using the hooks api)

import babel from "@rollup/plugin-babel";
import resolve from "@rollup/plugin-node-resolve";
import peerDepsExternal from 'rollup-plugin-peer-deps-external';
import pkg from "./package.json";

// Array of extensions to be handled by babel
const EXTENSIONS = [ ".ts", ".tsx", ".js" ];

// Excluded dependencies - dev dependencies
const EXTERNAL = Object.keys( pkg.devDependencies );

export default {
  input: [ "src/index.ts" ],
  output: {
    dir: "dist",
    sourcemap: true,
    format: "esm",
    preserveModules: true
  },
  plugins: [
    peerDepsExternal(),
    resolve(),  // Resolves node modules
    babel( {
      extensions: EXTENSIONS,
      babelHelpers: "inline",
      include: EXTENSIONS.map( ext => `src/**/*${ ext }` )
    } )
  ],
  external: EXTERNAL
};