04f37d0978
This pull request ensures the webpack hook is installed before an attempt is made to load the configuration. This pull request is tested by the PnP tests, which should now be passing as a result of this change. --- Fixes #21679
61 lines
1.6 KiB
TypeScript
61 lines
1.6 KiB
TypeScript
import Worker from 'jest-worker'
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import findUp from 'next/dist/compiled/find-up'
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import { init as initWebpack } from 'next/dist/compiled/webpack/webpack'
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import { CONFIG_FILE } from '../lib/constants'
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import { NextConfig, normalizeConfig } from './config-shared'
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let installed: boolean = false
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export function install(useWebpack5: boolean) {
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if (installed) {
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return
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}
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installed = true
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initWebpack(useWebpack5)
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// hook the Node.js require so that webpack requires are
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// routed to the bundled and now initialized webpack version
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require('../../build/webpack/require-hook')
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}
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export async function shouldLoadWithWebpack5(
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phase: string,
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dir: string
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): Promise<boolean> {
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const path = await findUp(CONFIG_FILE, {
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cwd: dir,
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})
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// No `next.config.js`:
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if (!path?.length) {
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return false // TODO: return true to default to webpack 5
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}
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// Default to webpack 4 for backwards compatibility on boot:
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install(false)
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const userConfigModule = require(path)
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const userConfig: Partial<NextConfig> = normalizeConfig(
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phase,
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userConfigModule.default || userConfigModule
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)
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// TODO: enable commented branch to enable webpack 5
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return userConfig.future?.webpack5 === true /* || !userConfig.webpack */
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}
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export async function loadWebpackHook(phase: string, dir: string) {
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let useWebpack5 = false
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const worker: any = new Worker(__filename, { enableWorkerThreads: true })
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try {
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useWebpack5 = Boolean(await worker.shouldLoadWithWebpack5(phase, dir))
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} catch {
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// If this errors, it likely will do so again upon boot, so we just swallow
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// it here.
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} finally {
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worker.end()
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}
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install(useWebpack5)
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}
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