features.ts

import { defu } from 'defu'
import OpenProps from 'open-props'
import { log } from './utils/consola'

export function setFeatures() {
  // list of optional extra features
  const extras = [] as string[]
  // list of Nuxt-related settings
  const nuxt = [] as string[]

  // object for optional config that will be merged with global Nuxt config
  // declared in nuxt.config.ts
  let nuxtConfig = {
    modules: [] as string[],
  }

  // 1. default modules (mandatory)
  nuxtConfig.modules.push(
    'nuxt-time',
    'nuxt-security',
    '@nuxt/eslint',
    '@nuxt/image',
    '@pinia/nuxt',
    '@vueuse/nuxt',
  )

  // 2. optional modules & features

  // ui
  const uiPreset = process.env.NUXT_PUBLIC_IGNIS_PRESET_UI
  if (uiPreset === 'nuxt-ui' || (!uiPreset && process.env.NUXT_PUBLIC_IGNIS_UI === 'true')) {
    nuxtConfig.modules.push('@nuxt/ui')
  } else {
    // remove @nuxt/ui-specific components from resolution if module is not used
    nuxtConfig = defu({
      vue: {
        compilerOptions: {
          isCustomElement: (tag: string) => tag === 'Icon',
        },
      },
    }, nuxtConfig)

    // evaluate separate Tailwind CSS module
    if (uiPreset === 'tailwind' || (!uiPreset && process.env.NUXT_PUBLIC_IGNIS_TAILWIND === 'true')) {
      nuxtConfig.modules.push('@nuxtjs/tailwindcss')
    }
  }

  // database
  const dbPreset = process.env.NUXT_PUBLIC_IGNIS_PRESET_DB
  if (dbPreset === 'neon' || (!dbPreset && process.env.NUXT_PUBLIC_IGNIS_NEON === 'true')) {
    // module definition
    nuxtConfig.modules.push('nuxt-neon')
  } else if (dbPreset === 'supabase' || (!dbPreset && process.env.NUXT_PUBLIC_IGNIS_SUPABASE === 'true')) {
    // module definition
    nuxtConfig.modules.push('@nuxtjs/supabase')
    // module-specific config key
    nuxtConfig = defu({
      supabase: {
        redirect: false, // https://github.com/supabase/supabase/issues/16551#issuecomment-1685300935
      },
    }, nuxtConfig)
  }

  // i18n
  if (process.env.NUXT_PUBLIC_IGNIS_I18N_ENABLED === 'true') {
    // module definition
    nuxtConfig.modules.push('@nuxtjs/i18n')
    // module-specific config key
    nuxtConfig = defu({
      i18n: {
        vueI18n: process.env.NUXT_PUBLIC_IGNIS_I18N_CONFIG || './i18n.config.ts',
      },
    }, nuxtConfig)
  }

  // formkit
  if (process.env.NUXT_PUBLIC_IGNIS_FORMKIT_ENABLED === 'true') {
    // module definition
    nuxtConfig.modules.push('@formkit/nuxt')
    // module-specific config key
    nuxtConfig = defu({
      formkit: {
        autoImport: true,
        configFile: process.env.NUXT_PUBLIC_IGNIS_FORMKIT_CONFIG || './formkit.config.ts',
      },
    }, nuxtConfig)
  }

  // content
  if (process.env.NUXT_PUBLIC_IGNIS_CONTENT === 'true') {
    nuxtConfig.modules.push('@nuxt/content')
  }

  // Open Props CSS
  if (process.env.NUXT_PUBLIC_IGNIS_OPENPROPS === 'true') {
    extras.push('Open Props CSS')
    nuxtConfig = defu({
      // import Open Prpops stylesheet
      css: ['~/assets/css/open-props.css'],
      // CSS processor for Open Props
      postcss: {
        plugins: {
          'postcss-jit-props': OpenProps,
        },
      },
    }, nuxtConfig)
  }

  // elrh-pslo
  if (process.env.NUXT_PUBLIC_IGNIS_PSLO_ENABLED === 'true') {
    extras.push('elrh-pslo')
  }

  // 3. Nuxt-related settings

  if (process.env.NUXT_PUBLIC_IGNIS_SSR === 'false') {
    nuxtConfig = defu({
      ssr: false,
    }, nuxtConfig)
    nuxt.push('ssr=false')
  }

  if (process.env.NUXT_PUBLIC_IGNIS_PAGES === 'false') {
    nuxtConfig = defu({
      pages: false,
    }, nuxtConfig)
    nuxt.push('pages=false')
  }

  nuxt.push(`log-level=${process.env.NUXT_PUBLIC_LOG_LEVEL || 'info[default]'}`)

  // 4. verify results
  // TODO why this run twice?

  let overview = 'Nuxt Ignis will start using following settings:\n'
  overview += 'Modules: ' + nuxtConfig.modules.join(', ') + '\n'
  if (extras.length > 0) {
    overview += 'Extras: ' + extras.join(', ') + '\n'
  }
  if (nuxt.length > 0) {
    overview += 'Nuxt: ' + nuxt.join(', ') + '\n'
  }
  log.info(overview)

  return nuxtConfig
}