index.js

/** @type {import('@nodepack/service').ServicePlugin} */
module.exports = (api, options) => {
  const path = require('path')
  const useThreads = process.env.NODE_ENV === 'production' && options.parallel

  // Default entry
  try {
    // eslint-disable-next-line node/no-extraneous-require
    const DefaultEntry = require('@nodepack/service/src/util/defaultEntry')
    DefaultEntry.config.defaultEntry = 'index.ts'
  } catch (e) {
    console.error(e)
  }

  api.chainWebpack(config => {
    config.resolveLoader.modules.prepend(path.join(__dirname, 'node_modules'))

    config.resolve
      .extensions
        .merge(['.ts'])

    const tsRule = config.module.rule('ts').test(/\.ts$/)

    const addLoader = ({ loader, options = {}}) => {
      tsRule.use(loader).loader(loader).options(options)
    }

    addLoader({
      loader: 'cache-loader',
      options: api.genCacheConfig('ts-loader', {
        'ts-loader': require('ts-loader/package.json').version,
        'typescript': require('typescript/package.json').version,
      }, 'tsconfig.json'),
    })

    if (useThreads) {
      addLoader({
        loader: 'thread-loader',
      })
    }

    if (api.hasPlugin('babel')) {
      addLoader({
        loader: 'babel-loader',
      })
    }
    addLoader({
      loader: 'ts-loader',
      options: {
        // https://github.com/TypeStrong/ts-loader#happypackmode-boolean-defaultfalse
        happyPackMode: useThreads,
      },
    })
  })

  if (!api.hasPlugin('eslint')) {
    api.registerCommand('lint', {
      description: 'lint source files with TSLint',
      usage: 'nodepack-service lint [options] [...files]',
      options: {
        '--format [formatter]': 'specify formatter (default: codeFrame)',
        '--no-fix': 'do not fix errors',
        '--formatters-dir [dir]': 'formatter directory',
        '--rules-dir [dir]': 'rules directory',
      },
    }, args => {
      return require('./lib/tslint')(args, api)
    })
  }

  api.addRuntimeModule('./runtime.ejs')
  // api.addRuntimeModule('./runtime.js')
}