rollup.config.ts

import resolve from "@rollup/plugin-node-resolve";
import commonjs from "@rollup/plugin-commonjs";
import sourceMaps from "rollup-plugin-sourcemaps";
import typescript from "rollup-plugin-typescript2";

const pkg = require("./package.json");

const libraryName = pkg.name.replace(/^@.+?\//, "");

export default {
    input: `src/${libraryName}.ts`,
    output: [
        {
            file: pkg.main,
            name: libraryName,
            format: "umd",
            sourcemap: true
        },
        {
            file: pkg.module,
            format: "es",
            sourcemap: true
        },
    ],
    external: [],
    watch: {
        include: "src/**",
    },
    plugins: [
        typescript({
            useTsconfigDeclarationDir: true,
            tsconfigOverride: {
                compilerOptions: {
                    module: "es6",
                },
            },
        }),
        commonjs(),
        resolve(),
        sourceMaps(),
    ],
}