refactor: simplify usage with single target

packages/nitro/src/build.ts

@@ -8,43 +8,41 @@ import chalk from 'chalk'
 import { emptyDir } from 'fs-extra'
 import { getRollupConfig } from './rollup/config'
 import { hl, prettyPath, renderTemplate, compileTemplateToJS } from './utils'
-import { getTargetConfig, SLSConfig } from './config'
+import { SLSOptions } from './config'
 
-export async function build (baseConfig, target) {
+export async function build (options: SLSOptions) {
   console.log('\n')
-  consola.info(`Generating bundle for ${hl(target.target)}`)
-
-  const config: any = getTargetConfig(baseConfig, target)
+  consola.info(`Generating bundle for ${hl(options.target)}`)
 
   const hooks = new Hookable()
-  hooks.addHooks(config.hooks)
+  hooks.addHooks(options.hooks)
 
-  await hooks.callHook('config', config)
+  await hooks.callHook('options', options)
 
-  emptyDir(config.targetDir)
+  emptyDir(options.targetDir)
 
-  config.rollupConfig = getRollupConfig(config)
-  await hooks.callHook('rollup:before', config)
-  const build = await rollup(config.rollupConfig)
+  options.rollupConfig = getRollupConfig(options)
+  await hooks.callHook('rollup:before', options)
+  const build = await rollup(options.rollupConfig)
 
-  const { output } = await build.write(config.rollupConfig.output as OutputOptions)
+  const { output } = await build.write(options.rollupConfig.output as OutputOptions)
   const size = prettyBytes(output[0].code.length)
   const zSize = prettyBytes(await gzipSize(output[0].code))
-  consola.success('Generated', prettyPath((config.rollupConfig.output as any).file),
+  consola.success('Generated', prettyPath((options.rollupConfig.output as any).file),
     chalk.gray(`(Size: ${size} Gzip: ${zSize})`)
   )
 
-  for (const tmpl of config.templates) {
-    const dstPath = resolve(config.targetDir, tmpl.dst)
-    await renderTemplate(tmpl.src, dstPath, { config })
+  for (const tmpl of options.templates) {
+    const dstPath = resolve(options.targetDir, tmpl.dst)
+    await renderTemplate(tmpl.src, dstPath, { options })
     consola.info('Compiled', prettyPath(dstPath))
   }
 
-  await hooks.callHook('done', config)
+  await hooks.callHook('done', options)
 }
 
-export async function compileHTMLTemplate (baseConfig: SLSConfig) {
-  const htmlTemplateFile = resolve(baseConfig.buildDir, `views/${{ 2: 'app', 3: 'document' }[baseConfig.nuxt]}.template.html`)
+export async function compileHTMLTemplate (options: SLSOptions) {
+  const htmlTemplateFile = resolve(options.buildDir, `views/${{ 2: 'app', 3: 'document' }[options.nuxt]}.template.html`)
   const htmlTemplateFileJS = htmlTemplateFile.replace(/.html$/, '.js').replace('app.', 'document.')
   await compileTemplateToJS(htmlTemplateFile, htmlTemplateFileJS)
   consola.info('Generated', prettyPath(htmlTemplateFileJS))

packages/nitro/src/config.ts

@@ -3,77 +3,61 @@ import defu from 'defu'
 import { NuxtOptions } from '@nuxt/types'
 import { tryImport, LIB_DIR } from './utils'
 
-export interface SLSConfig {
+export interface SLSOptions {
   node: false
+  target: 'vercel' | 'cloudflare' | 'node' | 'sw' | string
   entry: string
   outDir: string
   slsDir: string
   outName: string
   logStartup: boolean
+  inlineChunks: boolean
   buildDir: string
   publicDir: string
   staticDir: string
+  targetDir: string
   rootDir: string
-  targets: ((SLSConfig & { target: string }) | string)[]
-  target: string
-  templates: string[]
+  templates: { src: string, dst: string }[]
+  static: string[]
   renderer: string
   nuxt: 2 | 3
   analyze: boolean
   minify: boolean
+  rollupConfig?: any
+  hooks: { [key: string]: any } // TODO: export from hookable
 }
 
-export function getBaseConfig (options: NuxtOptions): SLSConfig {
-  const baseConfig = {
-    rootDir: options.rootDir,
-    buildDir: options.buildDir,
-    publicDir: options.generate.dir,
-    slsDir: null,
-    targets: [],
+export interface SLSConfig extends Partial<SLSOptions> {}
+
+export function getoptions (nuxtOptions: NuxtOptions): SLSOptions {
+  const defaults: SLSConfig = {
+    rootDir: nuxtOptions.rootDir,
+    buildDir: nuxtOptions.buildDir,
+    publicDir: nuxtOptions.generate.dir,
+    outName: 'index.js',
     templates: [],
-    static: [
-      '/about'
-    ],
+    static: [],
     nuxt: 2,
-    target: null,
-    minify: null,
-    analyze: null,
     logStartup: true,
-    ...options.serverless
+    inlineChunks: false
   }
 
-  baseConfig.buildDir = resolve(baseConfig.rootDir, baseConfig.buildDir || '.nuxt')
-  baseConfig.publicDir = resolve(baseConfig.rootDir, baseConfig.publicDir || 'dist')
-  baseConfig.slsDir = resolve(baseConfig.rootDir, baseConfig.slsDir || '.sls')
-
-  baseConfig.targets = baseConfig.targets.map(t => typeof t === 'string' ? { target: t } : t)
-  if (baseConfig.target && !baseConfig.targets.find(t => t.target === baseConfig.target)) {
-    baseConfig.targets.push({ target: baseConfig.target })
+  let target = nuxtOptions.serverless.target || process.env.SLS_TARGET || 'node'
+  if (typeof target === 'function') {
+    target = target(nuxtOptions)
+  }
+  let targetDefaults = tryImport(LIB_DIR, `./targets/${target}`) || tryImport(nuxtOptions.rootDir, target)
+  targetDefaults = targetDefaults.default || targetDefaults
+  if (!targetDefaults) {
+    throw new Error('Cannot resolve target: ' + target)
   }
 
-  return baseConfig
-}
-
-export function getTargetConfig (baseConfig: SLSConfig, target: SLSConfig) {
-  const _targetDefaults = tryImport(LIB_DIR, `./targets/${target.target}`) ||
-    tryImport(baseConfig.rootDir, target.target)
-  if (!_targetDefaults) {
-    throw new Error('Cannot resolve target: ' + target.target)
-  }
-
-  // TODO: Merge hooks
-
-  return defu(
-    // Target specific config by user
-    target,
-    // Global user config
-    baseConfig,
-    // Target defaults
-    _targetDefaults,
-    // Generic defaults
-    {
-      targetDir: resolve(baseConfig.slsDir, target.target),
-      outName: 'index.js'
-    }
-  )
+  const options: SLSOptions = defu(nuxtOptions.serverless, targetDefaults, defaults, { target })
+
+  options.buildDir = resolve(options.rootDir, options.buildDir || '.nuxt')
+  options.publicDir = resolve(options.rootDir, options.publicDir || 'dist')
+  options.slsDir = resolve(options.rootDir, options.slsDir || '.sls')
+  options.targetDir = resolve(options.slsDir, target)
+
+  return options
 }

packages/nitro/src/index.ts

@@ -1,6 +1,6 @@
 import type { Module } from '@nuxt/types'
 import { build, compileHTMLTemplate } from './build'
-import { getBaseConfig } from './config'
+import { getoptions } from './config'
 
 export default <Module> function slsModule () {
   const { nuxt } = this
@@ -10,37 +10,32 @@ export default <Module> function slsModule () {
   }
 
   // Config
-  const baseConfig = getBaseConfig(nuxt.options)
+  const options = getoptions(nuxt.options)
 
-  if (baseConfig.minify !== false) {
+  if (options.minify !== false) {
     nuxt.options.build._minifyServer = true
   }
 
   nuxt.options.build.standalone = true
 
   nuxt.hook('generate:cache:ignore', (ignore) => {
-    ignore.push(baseConfig.slsDir)
+    ignore.push(options.slsDir)
   })
 
   nuxt.hook('generate:page', (page) => {
     // TODO: Use ssrContext
-    if (!baseConfig.static.includes(page.route)) {
+    if (!options.static.includes(page.route)) {
       page.exclude = true
     }
   })
 
-  nuxt.hook('generate:done', () => buildSLS(baseConfig))
+  nuxt.hook('generate:done', () => buildSLS(options))
 }
 
-async function buildSLS (baseConfig) {
+async function buildSLS (options) {
   // Compile html template
-  await compileHTMLTemplate(baseConfig)
+  await compileHTMLTemplate(options)
 
-  // Bundle for each target
-  for (const target of baseConfig.targets) {
-    if (baseConfig.target && target.target !== baseConfig.target) {
-      continue
-    }
-    await build(baseConfig, target)
-  }
+  // Bundle target
+  await build(options)
 }

packages/nitro/src/rollup/config.ts

@@ -9,13 +9,13 @@ import json from '@rollup/plugin-json'
 import replace from '@rollup/plugin-replace'
 import analyze from 'rollup-plugin-analyzer'
 
-import { SLSConfig } from '../config'
+import { SLSOptions } from '../config'
 import { RUNTIME_DIR } from '../utils'
 import dynamicRequire from './dynamic-require'
 
 export type RollupConfig = InputOptions & { output: OutputOptions }
 
-export const getRollupConfig = (config: SLSConfig) => {
+export const getRollupConfig = (config: SLSOptions) => {
   const mocks = [
     // @nuxt/devalue
     'consola',