rollup.config.js

import peerDepsExternal from "rollup-plugin-peer-deps-external"
import babel from "@rollup/plugin-babel"
import resolve from "@rollup/plugin-node-resolve"
import commonjs from "@rollup/plugin-commonjs"
import postcss from "rollup-plugin-postcss"
import svgr from "@svgr/rollup"
import url from "@rollup/plugin-url"
import { terser } from "rollup-plugin-terser"

export default [
    {
        input: "src/index.js",
        output: [
            {
                file: "build/index.js",
                format: "esm",
                plugins: [terser()],
                exports: "named"
            }
        ],
        external: [
            "react",
            "react-dom",
            "react-date-object"
        ],
        plugins: [
            resolve(),
            peerDepsExternal(),
            babel({
                exclude: /node_modules/,
                presets: [
                    "@babel/preset-react",
                    "@babel/preset-env"
                ]
            }),
            commonjs(),
            postcss(),
            svgr(),
            url()
        ]
    },
    {
        input: "src/components/date_picker/date_picker.js",
        output: [
            {
                file: "build/date-picker.min.js",
                format: "umd",
                plugins: [terser()],
                name: "DatePicker",
                exports: "default",
                globals: {
                    react: "React",
                    "react-date-object": "DateObject"
                }
            }
        ],
        external: [
            "react",
            "react-dom",
            "react-date-object"
        ],
        plugins: [
            resolve(),
            peerDepsExternal(),
            babel({
                exclude: /node_modules/,
                presets: [
                    "@babel/preset-react",
                    "@babel/preset-env"
                ]
            }),
            commonjs(),
            postcss(),
            svgr(),
            url()
        ]
    },
    {
        input: "src/components/calendar/calendar.js",
        output: [
            {
                file: "build/calendar.min.js",
                format: "umd",
                plugins: [terser()],
                name: "Calendar",
                exports: "default",
                globals: {
                    react: "React",
                    "react-date-object": "DateObject"
                }
            }
        ],
        external: [
            "react",
            "react-dom",
            "react-date-object"
        ],
        plugins: [
            resolve(),
            peerDepsExternal(),
            babel({
                exclude: /node_modules/,
                presets: [
                    "@babel/preset-react",
                    "@babel/preset-env"
                ]
            }),
            commonjs(),
            postcss(),
            svgr(),
            url()
        ]
    }
];