rollup.config.js

const commonjs = require('@rollup/plugin-commonjs')
const {babel} = require('@rollup/plugin-babel')
const typescript = require('@rollup/plugin-typescript')
const config = require('kcd-scripts/dist/config/rollup.config')

const babelPluginIndex = config.plugins.findIndex(
  plugin => plugin.name === 'babel',
)
const typescriptPluginIndex = config.plugins.findIndex(
  plugin => plugin.name === 'typescript',
)
const cjsPluginIndex = config.plugins.findIndex(
  plugin => plugin.name === 'commonjs',
)
config.plugins[babelPluginIndex] = babel({
  babelHelpers: 'runtime',
  exclude: '**/node_modules/**',
})
config.plugins[cjsPluginIndex] = commonjs({
  include: 'node_modules/**',
})

if (typescriptPluginIndex === -1) {
  config.plugins.push(typescript({tsconfig: 'tsconfig.json'}))
} else {
  config.plugins[typescriptPluginIndex] = typescript({
    tsconfig: 'tsconfig.json',
  })
}

module.exports = config