rollup.config.js

import dotenv from 'dotenv';
import typescript from '@rollup/plugin-typescript';
import {nodeResolve} from '@rollup/plugin-node-resolve';
import commonjs from '@rollup/plugin-commonjs';
import copy from 'rollup-plugin-copy';

dotenv.config();

const isProd = (process.env.BUILD === 'production');

const banner = 
`/*
THIS IS A GENERATED/BUNDLED FILE BY ROLLUP
if you want to view the source visit the plugins github repository
*/
`;

const output = [ {
  input: 'main.ts',
  output: {
    dir: '.',
    sourcemap: 'inline',
    sourcemapExcludeSources: isProd,
    format: 'cjs',
    exports: 'default',
    banner,
  },
  external: ['obsidian'],
  plugins: [
    typescript(),
    nodeResolve({browser: true}),
    commonjs(),
  ]
}];

if (process.env.macOS_Destination) { // Thanks, @mgmeyers!
  output.push({
    input: "./main.ts",
    output: {
      dir: process.env.macOS_Destination,
      sourcemap: "inline",
      format: "cjs",
      exports: "default",
      banner,
    },
    external: ["obsidian"],
    plugins: [
      typescript(),
      nodeResolve({ browser: true }),
      commonjs(),
      copy({
        targets: [
          { src: "./manifest.json", dest: process.env.macOS_Destination },
          { src: "./styles.css", dest: process.env.macOS_Destination },
        ],
      }),
    ],
  });
}

if (process.env.iPadOS_Destination) { // Thanks, @mgmeyers!
  output.push({
    input: "./main.ts",
    output: {
      dir: process.env.iPadOS_Destination,
      sourcemap: "inline",
      format: "cjs",
      exports: "default",
      banner,
    },
    external: ["obsidian"],
    plugins: [
      typescript(),
      nodeResolve({ browser: true }),
      commonjs(),
      copy({
        targets: [
          { src: "./manifest.json", dest: process.env.iPadOS_Destination },
          { src: "./styles.css", dest: process.env.iPadOS_Destination },
        ],
      }),
    ],
  });
}

if (process.env.iOS_Destination) { // Thanks, @mgmeyers!
  output.push({
    input: "./main.ts",
    output: {
      dir: process.env.iOS_Destination,
      sourcemap: "inline",
      format: "cjs",
      exports: "default",
      banner,
    },
    external: ["obsidian"],
    plugins: [
      typescript(),
      nodeResolve({ browser: true }),
      commonjs(),
      copy({
        targets: [
          { src: "./manifest.json", dest: process.env.iOS_Destination },
          { src: "./styles.css", dest: process.env.iOS_Destination },
        ],
      }),
    ],
  });
}

export default output;