Nuxt/packages/nuxt/src/core/nuxt.ts
2022-10-17 13:15:29 +02:00

261 lines
9.3 KiB
TypeScript

import { join, normalize, resolve } from 'pathe'
import { createHooks, createDebugger } from 'hookable'
import type { Nuxt, NuxtOptions, NuxtConfig, ModuleContainer, NuxtHooks } from '@nuxt/schema'
import { loadNuxtConfig, LoadNuxtOptions, nuxtCtx, installModule, addComponent, addVitePlugin, addWebpackPlugin, tryResolveModule, addPlugin } from '@nuxt/kit'
// Temporary until finding better placement
/* eslint-disable import/no-restricted-paths */
import escapeRE from 'escape-string-regexp'
import fse from 'fs-extra'
import { withoutLeadingSlash } from 'ufo'
import pagesModule from '../pages/module'
import metaModule from '../head/module'
import componentsModule from '../components/module'
import importsModule from '../imports/module'
/* eslint-enable */
import { distDir, pkgDir } from '../dirs'
import { version } from '../../package.json'
import { ImportProtectionPlugin, vueAppPatterns } from './plugins/import-protection'
import { UnctxTransformPlugin } from './plugins/unctx'
import { TreeShakePlugin } from './plugins/tree-shake'
import { addModuleTranspiles } from './modules'
import { initNitro } from './nitro'
export function createNuxt (options: NuxtOptions): Nuxt {
const hooks = createHooks<NuxtHooks>()
const nuxt: Nuxt = {
_version: version,
options,
hooks,
callHook: hooks.callHook,
addHooks: hooks.addHooks,
hook: hooks.hook,
ready: () => initNuxt(nuxt),
close: () => Promise.resolve(hooks.callHook('close', nuxt)),
vfs: {}
}
return nuxt
}
async function initNuxt (nuxt: Nuxt) {
// Register user hooks
nuxt.hooks.addHooks(nuxt.options.hooks)
// Set nuxt instance for useNuxt
nuxtCtx.set(nuxt)
nuxt.hook('close', () => nuxtCtx.unset())
// Add nuxt types
nuxt.hook('prepare:types', (opts) => {
opts.references.push({ types: 'nuxt' })
opts.references.push({ path: resolve(nuxt.options.buildDir, 'types/plugins.d.ts') })
// Add vue shim
if (nuxt.options.typescript.shim) {
opts.references.push({ path: resolve(nuxt.options.buildDir, 'types/vue-shim.d.ts') })
}
// Add module augmentations directly to NuxtConfig
opts.references.push({ path: resolve(nuxt.options.buildDir, 'types/schema.d.ts') })
opts.references.push({ path: resolve(nuxt.options.buildDir, 'types/app.config.d.ts') })
for (const layer of nuxt.options._layers) {
const declaration = join(layer.cwd, 'index.d.ts')
if (fse.existsSync(declaration)) {
opts.references.push({ path: declaration })
}
}
})
// Add import protection
const config = {
rootDir: nuxt.options.rootDir,
// Exclude top-level resolutions by plugins
exclude: [join(nuxt.options.rootDir, 'index.html')],
patterns: vueAppPatterns(nuxt)
}
addVitePlugin(ImportProtectionPlugin.vite(config))
addWebpackPlugin(ImportProtectionPlugin.webpack(config))
// Add unctx transform
addVitePlugin(UnctxTransformPlugin(nuxt).vite({ sourcemap: nuxt.options.sourcemap.server || nuxt.options.sourcemap.client }))
addWebpackPlugin(UnctxTransformPlugin(nuxt).webpack({ sourcemap: nuxt.options.sourcemap.server || nuxt.options.sourcemap.client }))
if (!nuxt.options.dev) {
const removeFromServer = ['onBeforeMount', 'onMounted', 'onBeforeUpdate', 'onRenderTracked', 'onRenderTriggered', 'onActivated', 'onDeactivated', 'onBeforeUnmount']
const removeFromClient = ['onServerPrefetch', 'onRenderTracked', 'onRenderTriggered']
// Add tree-shaking optimisations for SSR - build time only
addVitePlugin(TreeShakePlugin.vite({ sourcemap: nuxt.options.sourcemap.server, treeShake: removeFromServer }), { client: false })
addVitePlugin(TreeShakePlugin.vite({ sourcemap: nuxt.options.sourcemap.client, treeShake: removeFromClient }), { server: false })
addWebpackPlugin(TreeShakePlugin.webpack({ sourcemap: nuxt.options.sourcemap.server, treeShake: removeFromServer }), { client: false })
addWebpackPlugin(TreeShakePlugin.webpack({ sourcemap: nuxt.options.sourcemap.client, treeShake: removeFromClient }), { server: false })
}
// TODO: [Experimental] Avoid emitting assets when flag is enabled
if (nuxt.options.experimental.noScripts && !nuxt.options.dev) {
nuxt.hook('build:manifest', async (manifest) => {
for (const file in manifest) {
if (manifest[file].resourceType === 'script') {
await fse.rm(resolve(nuxt.options.buildDir, 'dist/client', withoutLeadingSlash(nuxt.options.app.buildAssetsDir), manifest[file].file), { force: true })
manifest[file].file = ''
}
}
})
}
// Transpile layers within node_modules
nuxt.options.build.transpile.push(
...nuxt.options._layers.filter(i => i.cwd.includes('node_modules')).map(i => i.cwd as string)
)
// Init user modules
await nuxt.callHook('modules:before', { nuxt } as ModuleContainer)
const modulesToInstall = [
...nuxt.options.buildModules,
...nuxt.options.modules,
...nuxt.options._modules
]
// Add <NuxtWelcome>
addComponent({
name: 'NuxtWelcome',
filePath: tryResolveModule('@nuxt/ui-templates/templates/welcome.vue')!
})
addComponent({
name: 'NuxtLayout',
filePath: resolve(nuxt.options.appDir, 'components/layout')
})
// Add <NuxtErrorBoundary>
addComponent({
name: 'NuxtErrorBoundary',
filePath: resolve(nuxt.options.appDir, 'components/nuxt-error-boundary')
})
// Add <ClientOnly>
addComponent({
name: 'ClientOnly',
filePath: resolve(nuxt.options.appDir, 'components/client-only')
})
// Add <ServerPlaceholder>
addComponent({
name: 'ServerPlaceholder',
filePath: resolve(nuxt.options.appDir, 'components/server-placeholder')
})
// Add <NuxtLink>
addComponent({
name: 'NuxtLink',
filePath: resolve(nuxt.options.appDir, 'components/nuxt-link')
})
// Add <NuxtLoadingIndicator>
addComponent({
name: 'NuxtLoadingIndicator',
filePath: resolve(nuxt.options.appDir, 'components/nuxt-loading-indicator')
})
// Deprecate hooks
nuxt.hooks.deprecateHooks({
'autoImports:sources': {
to: 'imports:sources',
message: '`autoImports:sources` hook is deprecated. Use `addImportsSources()` from `@nuxt/kit` or `imports:dirs` with `nuxt>=3.0.0-rc.10`.'
},
'autoImports:dirs': {
to: 'imports:dirs',
message: '`autoImports:dirs` hook is deprecated. Use `addImportsDir()` from `@nuxt/kit` or `imports:dirs` with `nuxt>=3.0.0-rc.9`.'
},
'autoImports:extend': {
to: 'imports:extend',
message: '`autoImports:extend` hook is deprecated. Use `addImports()` from `@nuxt/kit` or `imports:extend` with `nuxt>=3.0.0-rc.9`.'
}
})
// Add prerender payload support
if (!nuxt.options.dev && nuxt.options.experimental.payloadExtraction) {
addPlugin(resolve(nuxt.options.appDir, 'plugins/payload.client'))
}
// Add experimental cross-origin prefetch support using Speculation Rules API
if (nuxt.options.experimental.crossOriginPrefetch) {
addPlugin(resolve(nuxt.options.appDir, 'plugins/cross-origin-prefetch.client'))
}
// Track components used to render for webpack
if (nuxt.options.builder === '@nuxt/webpack-builder') {
addPlugin(resolve(nuxt.options.appDir, 'plugins/preload.server'))
}
// Add nuxt app debugger
if (nuxt.options.debug) {
addPlugin(resolve(nuxt.options.appDir, 'plugins/debug'))
}
for (const m of modulesToInstall) {
if (Array.isArray(m)) {
await installModule(m[0], m[1])
} else {
await installModule(m, {})
}
}
await nuxt.callHook('modules:done', { nuxt } as ModuleContainer)
// Normalize windows transpile paths added by modules
nuxt.options.build.transpile = nuxt.options.build.transpile.map(t => typeof t === 'string' ? normalize(t) : t)
addModuleTranspiles()
// Init nitro
await initNitro(nuxt)
await nuxt.callHook('ready', nuxt)
}
export async function loadNuxt (opts: LoadNuxtOptions): Promise<Nuxt> {
const options = await loadNuxtConfig(opts)
// Temporary until finding better placement for each
options.appDir = options.alias['#app'] = resolve(distDir, 'app')
options._majorVersion = 3
options._modules.push(pagesModule, metaModule, componentsModule)
options._modules.push([importsModule, {
transform: {
include: options._layers
.filter(i => i.cwd && i.cwd.includes('node_modules'))
.map(i => new RegExp(`(^|\\/)${escapeRE(i.cwd!.split('node_modules/').pop()!)}(\\/|$)(?!node_modules\\/)`))
}
}])
options.modulesDir.push(resolve(options.workspaceDir, 'node_modules'))
options.modulesDir.push(resolve(pkgDir, 'node_modules'))
options.build.transpile.push('@nuxt/ui-templates')
options.alias['vue-demi'] = resolve(options.appDir, 'compat/vue-demi')
options.alias['@vue/composition-api'] = resolve(options.appDir, 'compat/capi')
if (options.telemetry !== false && !process.env.NUXT_TELEMETRY_DISABLED) {
options._modules.push('@nuxt/telemetry')
}
const nuxt = createNuxt(options)
if (nuxt.options.debug) {
createDebugger(nuxt.hooks, { tag: 'nuxt' })
}
if (opts.ready !== false) {
await nuxt.ready()
}
return nuxt
}
/** @deprecated `defineNuxtConfig` is auto imported. Remove import or alternatively use `import { defineNuxtConfig } from 'nuxt/config'`. */
export function defineNuxtConfig (config: NuxtConfig): NuxtConfig {
return config
}
/** @deprecated Use `import type { NuxtConfig } from 'nuxt/config'`. */
type _NuxtConfig = NuxtConfig
export type { _NuxtConfig as NuxtConfig }