rollup.config.js

import commonjs from "@rollup/plugin-commonjs";
import typescript from "@rollup/plugin-typescript";
import dts from "rollup-plugin-dts";
import resolve from "@rollup/plugin-node-resolve";
import replace from '@rollup/plugin-replace';
import {
    terser
} from "rollup-plugin-terser";

const packageJson = require('./package.json');

export default [{
        input: "src/index.ts",
        output: [{
                file: packageJson.main,
                format: "cjs",
                sourcemap: true
            },
            {
                file: packageJson.module,
                format: "esm",
                sourcemap: true
            }
        ],
        plugins: [
            resolve(),
            commonjs(),
            typescript({
                tsconfig: "./tsconfig.json"
            })
        ]
    },
    {
        /* Make one file with types */
        input: "dist/esm/types/index.d.ts",
        output: [{
            file: "dist/types.d.ts",
            format: "esm"
        }],
        plugins: [dts()]
    },
    {
        input: "src/tformat.ts",
        output: [{
                file: "tformat.js",
                format: "cjs",
                plugins: [replace({
                    delimiters: ['', ''],
                    'module.exports = TemplateFormatter;': '',
                })]
            },
            {
                file: "tformat.min.js",
                format: "cjs",
                plugins: [terser({
                        keep_classnames: true,
                        mangle: false,
                        compress: {
                            unused: false,
                        },
                    }),
                    replace({
                        delimiters: ['', ''],
                        'module.exports=TemplateFormatter;': ''
                    })
                ]
            }
        ],
        plugins: [typescript()]
    },
];