tils-first-weather-widget/rollup.config.js

An example development EXB widget (Grant Caroll, spatial-innovation.co.nz)

import typescript from "rollup-plugin-typescript2";
import commonjs from "rollup-plugin-commonjs";
import external from "rollup-plugin-peer-deps-external";
import resolve from "rollup-plugin-node-resolve";
import pkg from "./package.json" assert {type:'json'};
// import { defineConfig } from 'vite'
// export default defineConfig({
//     build: {
//       outDir: 'dist',
//       rollupOptions: {
//         input: 'src/index.ts',
//         output: {
//           entryFileNames: '[name].js',
//         },
//       },
//     },
//   })

export default {
    input: "src/widget.tsx",
    inlineDynamicImports: true,
    output: [
        // {
        //     dir: 'dist',
        //     sourcemap: true,
        //     file: pkg.main,
        //     format: 'cjs'
        // },
        {
            dir: pkg.main,
            format: "cjs",
            exports: "named",
            sourcemap: true
        },
        // {
        //     dir: 'dist',
        //     sourcemap: true,
        //     file: pkg.module,
        //     format: 'es'
        // },
        {
            dir: pkg.module,
            format: "es",
            exports: "named",
            sourcemap: true
        }
    ],
    plugins: [
        external(),
        resolve(),
        typescript({
            rollupCommonJSResolveHack: false,
            exclude: "**/__tests__/**",
            clean: true
        }),
        commonjs({
            include: ["node_modules/**"],
            namedExports: {
                "node_modules/react/react.js": [
                    "Children",
                    "Component",
                    "PropTypes",
                    "createElement"
                ],    
                "node_modules/react-dom/index.js": ["render"]
            }
        })
    ]
};