@dasa-health/icons/rollup.config.js

Livia DS React Icons

import babel from '@rollup/plugin-babel'
import peerDepsExternal from 'rollup-plugin-peer-deps-external'
import resolve from '@rollup/plugin-node-resolve'
import commonjs from '@rollup/plugin-commonjs'
import visualizer from 'rollup-plugin-visualizer'
import copy from 'rollup-plugin-copy'

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

const transformToCapitalize = (string = '') =>
    string
        .replace(/@/gi)
        .split('-')
        .map(word => `${word.slice(0, 1).toUpperCase()}${word.slice(1, word.length).toLowerCase()}`)
        .join('')

const external = Object.keys(packageJson.dependencies || {}) 
const peers = Object.keys(packageJson.peerDependencies || {})

const globals = external.concat(peers).reduce((acc, item) => ({ ...acc, [item]: transformToCapitalize(item) }), {})
const input = 'src/index.js'

const commonPlugins = [
    peerDepsExternal(),
    babel({
        exclude: ['node_modules/**', '../../node_modules/**'],
        babelHelpers: 'bundled',
    }),
    resolve({
        jsnext: true,
        main: true,
        browser: true,
    }),
    resolve(),
    commonjs(),
    copy({
        targets: [
          { src: 'src/index.d.ts', dest: 'build' },
        ]
    }),
    visualizer(),
]

export default [
    {
        input,
        external,
        output: { file: packageJson.main, format: 'cjs', sourcemap: true },
        plugins: commonPlugins,
    },
    {
        input,
        external,
        output: { file: packageJson.module, format: 'esm', sourcemap: true },
        plugins: commonPlugins,
    },
    {
        input,
        external,
        output: {
            file: packageJson.browser,
            format: 'umd',
            sourcemap: true,
            name: 'dasa-icons',
            globals,
        },
        plugins: commonPlugins,
    },
]