fix: support both targets by adding prepare step

packages/nitro/src/build.ts

@@ -5,17 +5,43 @@ import ora from 'ora'
 import { readFile, emptyDir, copy } from 'fs-extra'
 import { printFSTree } from './utils/tree'
 import { getRollupConfig } from './rollup/config'
-import { hl, serializeTemplate, writeFile } from './utils'
+import { hl, prettyPath, serializeTemplate, writeFile } from './utils'
 import { SigmaContext } from './context'
 
-export async function build (sigmaContext: SigmaContext) {
+export async function prepare (sigmaContext: SigmaContext) {
   consola.info(`Sigma preset is ${hl(sigmaContext.preset)}`)
 
-  // Cleanup output dir
-  if (sigmaContext.output.clean) {
-    await emptyDir(sigmaContext.output.dir)
+  await cleanupDir(sigmaContext.output.dir)
+
+  if (!sigmaContext.output.publicDir.startsWith(sigmaContext.output.dir)) {
+    await cleanupDir(sigmaContext.output.publicDir)
   }
 
+  if (!sigmaContext.output.serverDir.startsWith(sigmaContext.output.dir)) {
+    await cleanupDir(sigmaContext.output.serverDir)
+  }
+}
+
+async function cleanupDir (dir: string) {
+  consola.info('Cleaning up', prettyPath(dir))
+  await emptyDir(dir)
+}
+
+export async function generate (sigmaContext: SigmaContext) {
+  const spinner = ora()
+  spinner.start('Generating public...')
+  await copy(
+    resolve(sigmaContext._nuxt.buildDir, 'dist/client'),
+    join(sigmaContext.output.publicDir, sigmaContext._nuxt.publicPath)
+  )
+  await copy(
+    resolve(sigmaContext._nuxt.srcDir, sigmaContext._nuxt.staticDir),
+    sigmaContext.output.publicDir
+  )
+  spinner.succeed('Generated public ' + prettyPath(sigmaContext.output.publicDir))
+}
+
+export async function build (sigmaContext: SigmaContext) {
   // Compile html template
   const htmlSrc = resolve(sigmaContext._nuxt.buildDir, `views/${{ 2: 'app', 3: 'document' }[2]}.template.html`)
   const htmlTemplate = { src: htmlSrc, contents: '', dst: '', compiled: '' }
@@ -25,30 +51,11 @@ export async function build (sigmaContext: SigmaContext) {
   await sigmaContext._internal.hooks.callHook('sigma:template:document', htmlTemplate)
   await writeFile(htmlTemplate.dst, htmlTemplate.compiled)
 
-  // TODO: only when not generate
-  await generate(sigmaContext)
-
   sigmaContext.rollupConfig = getRollupConfig(sigmaContext)
-
   await sigmaContext._internal.hooks.callHook('sigma:rollup:before', sigmaContext)
-
   return sigmaContext._nuxt.dev ? _watch(sigmaContext) : _build(sigmaContext)
 }
 
-export async function generate (sigmaContext: SigmaContext) {
-  if (!sigmaContext.output.publicDir) {
-    return
-  }
-  await copy(
-    resolve(sigmaContext._nuxt.buildDir, 'dist/client'),
-    join(sigmaContext.output.publicDir, sigmaContext._nuxt.publicPath)
-  )
-  await copy(
-    resolve(sigmaContext._nuxt.srcDir, sigmaContext._nuxt.staticDir),
-    sigmaContext.output.publicDir
-  )
-}
-
 async function _build (sigmaContext: SigmaContext) {
   const spinner = ora()
 
@@ -58,10 +65,10 @@ async function _build (sigmaContext: SigmaContext) {
     throw error
   })
 
-  spinner.start('Wrting Sigma bundle...')
+  spinner.start('Wrting server bundle...')
   await build.write(sigmaContext.rollupConfig.output)
 
-  spinner.succeed('Sigma built')
+  spinner.succeed('Server built')
   await printFSTree(sigmaContext.output.serverDir)
   await sigmaContext._internal.hooks.callHook('sigma:compiled', sigmaContext)
 

packages/nitro/src/context.ts

@@ -29,8 +29,7 @@ export interface SigmaContext {
   output: {
     dir: string
     serverDir: string
-    publicDir: string | false
-    clean: boolean
+    publicDir: string
   }
   _nuxt: {
     dev: boolean
@@ -51,7 +50,9 @@ export interface SigmaContext {
   }
 }
 
-export interface SigmaInput extends Partial<SigmaContext> {}
+type DeepPartial<T> = { [P in keyof T]?: DeepPartial<T[P]> }
+
+export interface SigmaInput extends DeepPartial<SigmaContext> {}
 
 export type SigmaPreset = SigmaInput | ((input: SigmaInput) => SigmaInput)
 
@@ -74,8 +75,7 @@ export function getsigmaContext (nuxtOptions: NuxtOptions, input: SigmaInput): S
     output: {
       dir: '{{ _nuxt.rootDir }}/.output',
       serverDir: '{{ output.dir }}/server',
-      publicDir: '{{ output.dir }}/public',
-      clean: true
+      publicDir: '{{ output.dir }}/public'
     },
     _nuxt: {
       dev: nuxtOptions.dev,
@@ -110,9 +110,7 @@ export function getsigmaContext (nuxtOptions: NuxtOptions, input: SigmaInput): S
   const sigmaContext: SigmaContext = defu(input, _preset, defaults) as any
 
   sigmaContext.output.dir = resolvePath(sigmaContext, sigmaContext.output.dir)
-  sigmaContext.output.publicDir = sigmaContext.output.publicDir
-    ? resolvePath(sigmaContext, sigmaContext.output.publicDir)
-    : false
+  sigmaContext.output.publicDir = resolvePath(sigmaContext, sigmaContext.output.publicDir)
   sigmaContext.output.serverDir = resolvePath(sigmaContext, sigmaContext.output.serverDir)
 
   sigmaContext._internal.hooks.addHooks(sigmaContext.hooks)

packages/nitro/src/module/nuxt2.ts

@@ -1,6 +1,6 @@
 import fetch from 'node-fetch'
 import { resolve } from 'upath'
-import { build } from '../build'
+import { build, generate, prepare } from '../build'
 import { getsigmaContext, SigmaContext } from '../context'
 import { createDevServer } from '../server'
 import wpfs from '../utils/wpfs'
@@ -16,7 +16,7 @@ export default function (nuxt) {
 
   // Create contexts
   const sigmaContext = getsigmaContext(nuxt.options, nuxt.options.sigma || {})
-  const sigmaDevContext = getsigmaContext(nuxt.options, { preset: 'dev' })
+  const sigmaDevContext = getsigmaContext(nuxt.options, { preset: 'local' })
 
   // Connect hooks
   nuxt.addHooks(sigmaContext.nuxtHooks)
@@ -68,6 +68,8 @@ export default function (nuxt) {
     if (nuxt.options.dev) {
       await build(sigmaDevContext)
     } else if (!sigmaContext._nuxt.isStatic) {
+      await prepare(sigmaContext)
+      await generate(sigmaContext)
       await build(sigmaContext)
     }
   })
@@ -89,6 +91,9 @@ export default function (nuxt) {
     }
     ignore.push(...sigmaContext.ignore)
   })
+  nuxt.hook('generate:before', async () => {
+    await prepare(sigmaContext)
+  })
   nuxt.hook('generate:extendRoutes', async () => {
     await build(sigmaDevContext)
     await nuxt.server.reload()

packages/nitro/src/presets/browser.ts

@@ -9,7 +9,7 @@ export const browser: SigmaPreset = extendPreset(worker, (input: SigmaInput) =>
   const script = `<script>
 if ('serviceWorker' in navigator) {
   window.addEventListener('load', function () {
-    navigator.serviceWorker.register('${input._nuxt.routerBase}index.js');
+    navigator.serviceWorker.register('${input._nuxt.routerBase}_server/index.js');
   });
 }
 </script>`
@@ -17,10 +17,7 @@ if ('serviceWorker' in navigator) {
   return <SigmaInput> {
     entry: '{{ _internal.runtimeDir }}/entries/service-worker',
     output: {
-      dir: '{{ _nuxt.rootDir }}/.output/public',
-      publicDir: '{{ output.dir }}',
-      serverDir: '{{ output.dir }}',
-      clean: true
+      serverDir: '{{ output.dir }}/public/_server'
     },
     nuxtHooks: {
       'vue-renderer:ssr:templateParams' (params) {
@@ -35,7 +32,7 @@ if ('serviceWorker' in navigator) {
         tmpl.compiled = tmpl.compiled.replace('</body>', script + '</body>')
       },
       async 'sigma:compiled' ({ output }: SigmaContext) {
-        await writeFile(resolve(output.publicDir, 'index.html'), script) // TODO
+        await writeFile(resolve(output.publicDir, 'sw.js'), 'self.importScripts(\'/server/index.js\');')
         consola.info('Ready to deploy to static hosting:', prettyPath(output.publicDir as string))
       }
     }

packages/nitro/src/presets/index.ts

@@ -3,7 +3,7 @@ export * from './cloudflare'
 export * from './lambda'
 export * from './netlify'
 export * from './node'
-export * from './dev'
+export * from './local'
 export * from './server'
 export * from './cli'
 export * from './vercel'

packages/nitro/src/presets/local.ts

@@ -2,13 +2,11 @@ import { extendPreset } from '../utils'
 import { SigmaPreset } from '../context'
 import { node } from './node'
 
-export const dev: SigmaPreset = extendPreset(node, {
-  entry: '{{ _internal.runtimeDir }}/entries/dev',
+export const local: SigmaPreset = extendPreset(node, {
+  entry: '{{ _internal.runtimeDir }}/entries/local',
   // @ts-ignore
   output: {
-    dir: '{{ _nuxt.rootDir }}/node_modules/.cache/sigma',
-    publicDir: false,
-    clean: false
+    dir: '{{ _nuxt.rootDir }}/node_modules/.cache/sigma'
   },
   minify: false,
   externals: true,

packages/nitro/src/presets/vercel.ts

@@ -7,8 +7,7 @@ export const vercel: SigmaPreset = extendPreset(node, {
   output: {
     dir: '{{ _nuxt.rootDir }}/.vercel_build_output',
     serverDir: '{{ output.dir }}/functions/node/server/index.js',
-    publicDir: '{{ output.dir }}/static',
-    clean: true
+    publicDir: '{{ output.dir }}/static'
   },
   ignore: [
     'vercel.json'