rollup.config.js

import path from 'path'
import alias from '@rollup/plugin-alias'
import commonjs from '@rollup/plugin-commonjs'
import resolve from '@rollup/plugin-node-resolve'
import terser from '@rollup/plugin-terser'
import glslify from 'rollup-plugin-glslify'
import typescript from '@rollup/plugin-typescript'
import pkg from './package.json'

const libraryName = 'index'
const outputFolder = 'dist'

const externals = [
  ...Object.keys(pkg.dependencies || {}),
  ...Object.keys(pkg.peerDependencies || {}),
]

const config = {
  input: 'src/index.ts',
  output: {
    file: `${outputFolder}/${libraryName}.js`,
    name: 'Cosmos',
    format: 'umd',
    sourcemap: true,
  },
  plugins: [
    resolve(),
    commonjs(),
    glslify({
      include: [
        '**/*.vs',
        '**/*.fs',
        '**/*.vert',
        '**/*.frag',
        '**/*.glsl',
      ],
      exclude: 'node_modules/**',
    }),
    typescript(),
    alias({
      resolve: ['', '/index.ts', '.ts'],
      entries: [
        { find: '@/graph', replacement: path.resolve(__dirname, 'src/') },
        { find: '@cosmograph/cosmos', replacement: path.resolve(__dirname, 'src/') },
      ],
    }),
  ],
}
// eslint-disable-next-line import/no-default-export
export default [
  {
    ...config,
    external: externals,
    output: {
      ...config.output,
      format: 'es',
    },
  },
  {
    ...config,
    output: {
      ...config.output,
      file: `${outputFolder}/${libraryName}.min.js`,
    },
    plugins: [
      ...config.plugins,
      terser(),
    ],
  },
]