Nuxt/packages/nuxt/src/core/builder.ts
2022-10-24 10:53:02 +02:00

80 lines
2.4 KiB
TypeScript

import chokidar from 'chokidar'
import type { Nuxt } from '@nuxt/schema'
import { importModule, isIgnored } from '@nuxt/kit'
import { debounce } from 'perfect-debounce'
import { normalize } from 'pathe'
import { createApp, generateApp as _generateApp } from './app'
export async function build (nuxt: Nuxt) {
const app = createApp(nuxt)
const generateApp = debounce(() => _generateApp(nuxt, app), undefined, { leading: true })
await generateApp()
if (nuxt.options.dev) {
watch(nuxt)
nuxt.hook('builder:watch', async (event, path) => {
if (event !== 'change' && /^(app\.|error\.|plugins\/|middleware\/|layouts\/)/i.test(path)) {
if (path.startsWith('app')) {
app.mainComponent = undefined
}
if (path.startsWith('error')) {
app.errorComponent = undefined
}
await generateApp()
}
})
nuxt.hook('builder:generateApp', (options) => {
// Bypass debounce if we are selectively invalidating templates
if (options) { return _generateApp(nuxt, app, options) }
return generateApp()
})
}
await nuxt.callHook('build:before', { nuxt }, nuxt.options.build)
if (!nuxt.options._prepare) {
await bundle(nuxt)
await nuxt.callHook('build:done', { nuxt })
}
if (!nuxt.options.dev) {
await nuxt.callHook('close', nuxt)
}
}
function watch (nuxt: Nuxt) {
const watcher = chokidar.watch(nuxt.options._layers.map(i => i.config.srcDir as string).filter(Boolean), {
...nuxt.options.watchers.chokidar,
cwd: nuxt.options.srcDir,
ignoreInitial: true,
ignored: [
isIgnored,
'.nuxt',
'node_modules'
]
})
watcher.on('all', (event, path) => nuxt.callHook('builder:watch', event, normalize(path)))
nuxt.hook('close', () => watcher.close())
return watcher
}
async function bundle (nuxt: Nuxt) {
try {
const { bundle } = typeof nuxt.options.builder === 'string'
? await importModule(nuxt.options.builder, { paths: nuxt.options.rootDir })
: nuxt.options.builder
return bundle(nuxt)
} catch (error: any) {
await nuxt.callHook('build:error', error)
if (error.toString().includes('Cannot find module \'@nuxt/webpack-builder\'')) {
throw new Error([
'Could not load `@nuxt/webpack-builder`. You may need to add it to your project dependencies, following the steps in `https://github.com/nuxt/framework/pull/2812`.'
].join('\n'))
}
throw error
}
}