1c1a4de0e2
Part of #31506, this PR removes `loadEnvConfig` and `chalk` from the base server while keeping the same behavior for the node server. ## Bug - [ ] Related issues linked using `fixes #number` - [ ] Integration tests added - [ ] Errors have helpful link attached, see `contributing.md` ## Feature - [ ] Implements an existing feature request or RFC. Make sure the feature request has been accepted for implementation before opening a PR. - [ ] Related issues linked using `fixes #number` - [ ] Integration tests added - [ ] Documentation added - [ ] Telemetry added. In case of a feature if it's used or not. - [ ] Errors have helpful link attached, see `contributing.md` ## Documentation / Examples - [ ] Make sure the linting passes by running `yarn lint`
674 lines
23 KiB
TypeScript
674 lines
23 KiB
TypeScript
import chalk from '../lib/chalk'
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import findUp from 'next/dist/compiled/find-up'
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import { basename, extname, relative, isAbsolute, resolve } from 'path'
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import { pathToFileURL } from 'url'
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import { Agent as HttpAgent } from 'http'
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import { Agent as HttpsAgent } from 'https'
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import * as Log from '../build/output/log'
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import { CONFIG_FILES, PHASE_DEVELOPMENT_SERVER } from '../shared/lib/constants'
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import { execOnce } from '../shared/lib/utils'
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import {
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defaultConfig,
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NextConfigComplete,
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normalizeConfig,
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} from './config-shared'
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import { loadWebpackHook } from './config-utils'
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import { ImageConfig, imageConfigDefault, VALID_LOADERS } from './image-config'
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import { loadEnvConfig } from '@next/env'
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import { hasNextSupport } from '../telemetry/ci-info'
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export { DomainLocale, NextConfig, normalizeConfig } from './config-shared'
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const targets = ['server', 'serverless', 'experimental-serverless-trace']
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const experimentalWarning = execOnce(() => {
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Log.warn(chalk.bold('You have enabled experimental feature(s).'))
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Log.warn(
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`Experimental features are not covered by semver, and may cause unexpected or broken application behavior. ` +
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`Use them at your own risk.`
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)
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console.warn()
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})
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function assignDefaults(userConfig: { [key: string]: any }) {
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const configFileName = userConfig.configFileName
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if (typeof userConfig.exportTrailingSlash !== 'undefined') {
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console.warn(
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chalk.yellow.bold('Warning: ') +
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`The "exportTrailingSlash" option has been renamed to "trailingSlash". Please update your ${configFileName}.`
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)
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if (typeof userConfig.trailingSlash === 'undefined') {
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userConfig.trailingSlash = userConfig.exportTrailingSlash
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}
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delete userConfig.exportTrailingSlash
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}
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if (typeof userConfig.experimental?.reactMode !== 'undefined') {
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console.warn(
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chalk.yellow.bold('Warning: ') +
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`The experimental "reactMode" option has been replaced with "reactRoot". Please update your ${configFileName}.`
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)
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if (typeof userConfig.experimental?.reactRoot === 'undefined') {
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userConfig.experimental.reactRoot = ['concurrent', 'blocking'].includes(
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userConfig.experimental.reactMode
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)
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}
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delete userConfig.experimental.reactMode
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}
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const config = Object.keys(userConfig).reduce<{ [key: string]: any }>(
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(currentConfig, key) => {
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const value = userConfig[key]
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if (value === undefined || value === null) {
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return currentConfig
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}
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if (
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key === 'experimental' &&
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value !== undefined &&
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value !== defaultConfig[key]
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) {
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experimentalWarning()
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}
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if (key === 'distDir') {
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if (typeof value !== 'string') {
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throw new Error(
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`Specified distDir is not a string, found type "${typeof value}"`
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)
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}
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const userDistDir = value.trim()
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// don't allow public as the distDir as this is a reserved folder for
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// public files
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if (userDistDir === 'public') {
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throw new Error(
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`The 'public' directory is reserved in Next.js and can not be set as the 'distDir'. https://nextjs.org/docs/messages/can-not-output-to-public`
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)
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}
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// make sure distDir isn't an empty string as it can result in the provided
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// directory being deleted in development mode
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if (userDistDir.length === 0) {
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throw new Error(
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`Invalid distDir provided, distDir can not be an empty string. Please remove this config or set it to undefined`
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)
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}
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}
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if (key === 'pageExtensions') {
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if (!Array.isArray(value)) {
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throw new Error(
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`Specified pageExtensions is not an array of strings, found "${value}". Please update this config or remove it.`
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)
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}
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if (!value.length) {
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throw new Error(
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`Specified pageExtensions is an empty array. Please update it with the relevant extensions or remove it.`
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)
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}
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value.forEach((ext) => {
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if (typeof ext !== 'string') {
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throw new Error(
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`Specified pageExtensions is not an array of strings, found "${ext}" of type "${typeof ext}". Please update this config or remove it.`
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)
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}
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})
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}
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if (!!value && value.constructor === Object) {
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currentConfig[key] = {
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...defaultConfig[key],
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...Object.keys(value).reduce<any>((c, k) => {
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const v = value[k]
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if (v !== undefined && v !== null) {
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c[k] = v
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}
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return c
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}, {}),
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}
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} else {
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currentConfig[key] = value
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}
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return currentConfig
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},
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{}
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)
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const result = { ...defaultConfig, ...config }
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if (typeof result.assetPrefix !== 'string') {
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throw new Error(
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`Specified assetPrefix is not a string, found type "${typeof result.assetPrefix}" https://nextjs.org/docs/messages/invalid-assetprefix`
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)
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}
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if (typeof result.basePath !== 'string') {
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throw new Error(
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`Specified basePath is not a string, found type "${typeof result.basePath}"`
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)
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}
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if (result.basePath !== '') {
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if (result.basePath === '/') {
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throw new Error(
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`Specified basePath /. basePath has to be either an empty string or a path prefix"`
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)
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}
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if (!result.basePath.startsWith('/')) {
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throw new Error(
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`Specified basePath has to start with a /, found "${result.basePath}"`
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)
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}
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if (result.basePath !== '/') {
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if (result.basePath.endsWith('/')) {
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throw new Error(
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`Specified basePath should not end with /, found "${result.basePath}"`
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)
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}
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if (result.assetPrefix === '') {
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result.assetPrefix = result.basePath
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}
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if (result.amp?.canonicalBase === '') {
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result.amp.canonicalBase = result.basePath
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}
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}
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}
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if (result?.images) {
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const images: ImageConfig = result.images
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if (typeof images !== 'object') {
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throw new Error(
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`Specified images should be an object received ${typeof images}.\nSee more info here: https://nextjs.org/docs/messages/invalid-images-config`
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)
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}
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if (images.domains) {
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if (!Array.isArray(images.domains)) {
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throw new Error(
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`Specified images.domains should be an Array received ${typeof images.domains}.\nSee more info here: https://nextjs.org/docs/messages/invalid-images-config`
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)
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}
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// static images are automatically prefixed with assetPrefix
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// so we need to ensure _next/image allows downloading from
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// this resource
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if (config.assetPrefix?.startsWith('http')) {
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images.domains.push(new URL(config.assetPrefix).hostname)
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}
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if (images.domains.length > 50) {
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throw new Error(
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`Specified images.domains exceeds length of 50, received length (${images.domains.length}), please reduce the length of the array to continue.\nSee more info here: https://nextjs.org/docs/messages/invalid-images-config`
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)
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}
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const invalid = images.domains.filter(
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(d: unknown) => typeof d !== 'string'
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)
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if (invalid.length > 0) {
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throw new Error(
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`Specified images.domains should be an Array of strings received invalid values (${invalid.join(
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', '
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)}).\nSee more info here: https://nextjs.org/docs/messages/invalid-images-config`
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)
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}
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}
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if (images.deviceSizes) {
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const { deviceSizes } = images
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if (!Array.isArray(deviceSizes)) {
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throw new Error(
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`Specified images.deviceSizes should be an Array received ${typeof deviceSizes}.\nSee more info here: https://nextjs.org/docs/messages/invalid-images-config`
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)
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}
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if (deviceSizes.length > 25) {
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throw new Error(
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`Specified images.deviceSizes exceeds length of 25, received length (${deviceSizes.length}), please reduce the length of the array to continue.\nSee more info here: https://nextjs.org/docs/messages/invalid-images-config`
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)
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}
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const invalid = deviceSizes.filter((d: unknown) => {
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return typeof d !== 'number' || d < 1 || d > 10000
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})
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if (invalid.length > 0) {
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throw new Error(
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`Specified images.deviceSizes should be an Array of numbers that are between 1 and 10000, received invalid values (${invalid.join(
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', '
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)}).\nSee more info here: https://nextjs.org/docs/messages/invalid-images-config`
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)
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}
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}
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if (images.imageSizes) {
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const { imageSizes } = images
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if (!Array.isArray(imageSizes)) {
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throw new Error(
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`Specified images.imageSizes should be an Array received ${typeof imageSizes}.\nSee more info here: https://nextjs.org/docs/messages/invalid-images-config`
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)
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}
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if (imageSizes.length > 25) {
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throw new Error(
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`Specified images.imageSizes exceeds length of 25, received length (${imageSizes.length}), please reduce the length of the array to continue.\nSee more info here: https://nextjs.org/docs/messages/invalid-images-config`
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)
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}
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const invalid = imageSizes.filter((d: unknown) => {
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return typeof d !== 'number' || d < 1 || d > 10000
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})
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if (invalid.length > 0) {
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throw new Error(
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`Specified images.imageSizes should be an Array of numbers that are between 1 and 10000, received invalid values (${invalid.join(
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', '
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)}).\nSee more info here: https://nextjs.org/docs/messages/invalid-images-config`
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)
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}
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}
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if (!images.loader) {
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images.loader = 'default'
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}
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if (!VALID_LOADERS.includes(images.loader)) {
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throw new Error(
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`Specified images.loader should be one of (${VALID_LOADERS.join(
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', '
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)}), received invalid value (${
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images.loader
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}).\nSee more info here: https://nextjs.org/docs/messages/invalid-images-config`
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)
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}
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if (
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images.loader !== 'default' &&
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images.loader !== 'custom' &&
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images.path === imageConfigDefault.path
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) {
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throw new Error(
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`Specified images.loader property (${images.loader}) also requires images.path property to be assigned to a URL prefix.\nSee more info here: https://nextjs.org/docs/api-reference/next/image#loader-configuration`
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)
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}
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// Append trailing slash for non-default loaders and when trailingSlash is set
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if (images.path) {
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if (
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(images.loader !== 'default' &&
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images.path[images.path.length - 1] !== '/') ||
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result.trailingSlash
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) {
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images.path += '/'
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}
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}
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if (images.path === imageConfigDefault.path && result.basePath) {
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images.path = `${result.basePath}${images.path}`
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}
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if (
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images.minimumCacheTTL &&
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(!Number.isInteger(images.minimumCacheTTL) || images.minimumCacheTTL < 0)
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) {
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throw new Error(
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`Specified images.minimumCacheTTL should be an integer 0 or more
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', '
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)}), received (${images.minimumCacheTTL}).\nSee more info here: https://nextjs.org/docs/messages/invalid-images-config`
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)
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}
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if (images.formats) {
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const { formats } = images
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if (!Array.isArray(formats)) {
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throw new Error(
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`Specified images.formats should be an Array received ${typeof formats}.\nSee more info here: https://nextjs.org/docs/messages/invalid-images-config`
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)
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}
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if (formats.length < 1 || formats.length > 2) {
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throw new Error(
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`Specified images.formats must be length 1 or 2, received length (${formats.length}), please reduce the length of the array to continue.\nSee more info here: https://nextjs.org/docs/messages/invalid-images-config`
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)
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}
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const invalid = formats.filter((f) => {
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return f !== 'image/avif' && f !== 'image/webp'
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})
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if (invalid.length > 0) {
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throw new Error(
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`Specified images.formats should be an Array of mime type strings, received invalid values (${invalid.join(
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', '
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)}).\nSee more info here: https://nextjs.org/docs/messages/invalid-images-config`
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)
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}
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}
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}
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if (result.webpack5 === false) {
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throw new Error(
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`Webpack 4 is no longer supported in Next.js. Please upgrade to webpack 5 by removing "webpack5: false" from ${configFileName}. https://nextjs.org/docs/messages/webpack5`
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)
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}
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if (result.experimental && 'swcMinify' in (result.experimental as any)) {
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Log.warn(
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`\`swcMinify\` has been moved out of \`experimental\`. Please update your ${configFileName} file accordingly.`
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)
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result.swcMinify = (result.experimental as any).swcMinify
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}
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if (result.swcMinify) {
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Log.warn(
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'SWC minify beta enabled. https://nextjs.org/docs/messages/swc-minify-enabled'
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)
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}
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if (
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result.experimental?.outputFileTracingRoot &&
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!isAbsolute(result.experimental.outputFileTracingRoot)
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) {
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result.experimental.outputFileTracingRoot = resolve(
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result.experimental.outputFileTracingRoot
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)
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Log.warn(
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`experimental.outputFileTracingRoot should be absolute, using: ${result.experimental.outputFileTracingRoot}`
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)
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}
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if (result.experimental?.outputStandalone && !result.outputFileTracing) {
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Log.warn(
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`experimental.outputStandalone requires outputFileTracing not be disabled please enable it to leverage the standalone build`
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)
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result.experimental.outputStandalone = false
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}
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// TODO: Change defaultConfig type to NextConfigComplete
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// so we don't need "!" here.
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setHttpAgentOptions(
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result.httpAgentOptions || defaultConfig.httpAgentOptions!
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)
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if (result.i18n) {
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const { i18n } = result
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const i18nType = typeof i18n
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if (i18nType !== 'object') {
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throw new Error(
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`Specified i18n should be an object received ${i18nType}.\nSee more info here: https://nextjs.org/docs/messages/invalid-i18n-config`
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)
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}
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if (!Array.isArray(i18n.locales)) {
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throw new Error(
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`Specified i18n.locales should be an Array received ${typeof i18n.locales}.\nSee more info here: https://nextjs.org/docs/messages/invalid-i18n-config`
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)
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}
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if (i18n.locales.length > 100) {
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Log.warn(
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`Received ${i18n.locales.length} i18n.locales items which exceeds the recommended max of 100.\nSee more info here: https://nextjs.org/docs/advanced-features/i18n-routing#how-does-this-work-with-static-generation`
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)
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}
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const defaultLocaleType = typeof i18n.defaultLocale
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if (!i18n.defaultLocale || defaultLocaleType !== 'string') {
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throw new Error(
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`Specified i18n.defaultLocale should be a string.\nSee more info here: https://nextjs.org/docs/messages/invalid-i18n-config`
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)
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}
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if (typeof i18n.domains !== 'undefined' && !Array.isArray(i18n.domains)) {
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throw new Error(
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`Specified i18n.domains must be an array of domain objects e.g. [ { domain: 'example.fr', defaultLocale: 'fr', locales: ['fr'] } ] received ${typeof i18n.domains}.\nSee more info here: https://nextjs.org/docs/messages/invalid-i18n-config`
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)
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}
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if (i18n.domains) {
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const invalidDomainItems = i18n.domains.filter((item) => {
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if (!item || typeof item !== 'object') return true
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if (!item.defaultLocale) return true
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if (!item.domain || typeof item.domain !== 'string') return true
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const defaultLocaleDuplicate = i18n.domains?.find(
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(altItem) =>
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altItem.defaultLocale === item.defaultLocale &&
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altItem.domain !== item.domain
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)
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if (defaultLocaleDuplicate) {
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console.warn(
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`Both ${item.domain} and ${defaultLocaleDuplicate.domain} configured the defaultLocale ${item.defaultLocale} but only one can. Change one item's default locale to continue`
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)
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return true
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}
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let hasInvalidLocale = false
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if (Array.isArray(item.locales)) {
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for (const locale of item.locales) {
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if (typeof locale !== 'string') hasInvalidLocale = true
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for (const domainItem of i18n.domains || []) {
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if (domainItem === item) continue
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if (domainItem.locales && domainItem.locales.includes(locale)) {
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console.warn(
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`Both ${item.domain} and ${domainItem.domain} configured the locale (${locale}) but only one can. Remove it from one i18n.domains config to continue`
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)
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hasInvalidLocale = true
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break
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}
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}
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}
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}
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return hasInvalidLocale
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})
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if (invalidDomainItems.length > 0) {
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throw new Error(
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`Invalid i18n.domains values:\n${invalidDomainItems
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.map((item: any) => JSON.stringify(item))
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.join(
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'\n'
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)}\n\ndomains value must follow format { domain: 'example.fr', defaultLocale: 'fr', locales: ['fr'] }.\nSee more info here: https://nextjs.org/docs/messages/invalid-i18n-config`
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)
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}
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}
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if (!Array.isArray(i18n.locales)) {
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throw new Error(
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`Specified i18n.locales must be an array of locale strings e.g. ["en-US", "nl-NL"] received ${typeof i18n.locales}.\nSee more info here: https://nextjs.org/docs/messages/invalid-i18n-config`
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)
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}
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const invalidLocales = i18n.locales.filter(
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(locale: any) => typeof locale !== 'string'
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)
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if (invalidLocales.length > 0) {
|
|
throw new Error(
|
|
`Specified i18n.locales contains invalid values (${invalidLocales
|
|
.map(String)
|
|
.join(
|
|
', '
|
|
)}), locales must be valid locale tags provided as strings e.g. "en-US".\n` +
|
|
`See here for list of valid language sub-tags: http://www.iana.org/assignments/language-subtag-registry/language-subtag-registry`
|
|
)
|
|
}
|
|
|
|
if (!i18n.locales.includes(i18n.defaultLocale)) {
|
|
throw new Error(
|
|
`Specified i18n.defaultLocale should be included in i18n.locales.\nSee more info here: https://nextjs.org/docs/messages/invalid-i18n-config`
|
|
)
|
|
}
|
|
|
|
// make sure default Locale is at the front
|
|
i18n.locales = [
|
|
i18n.defaultLocale,
|
|
...i18n.locales.filter((locale) => locale !== i18n.defaultLocale),
|
|
]
|
|
|
|
const localeDetectionType = typeof i18n.localeDetection
|
|
|
|
if (
|
|
localeDetectionType !== 'boolean' &&
|
|
localeDetectionType !== 'undefined'
|
|
) {
|
|
throw new Error(
|
|
`Specified i18n.localeDetection should be undefined or a boolean received ${localeDetectionType}.\nSee more info here: https://nextjs.org/docs/messages/invalid-i18n-config`
|
|
)
|
|
}
|
|
}
|
|
|
|
if (result.experimental?.serverComponents) {
|
|
const pageExtensions: string[] = []
|
|
;(result.pageExtensions || []).forEach((ext) => {
|
|
pageExtensions.push(ext)
|
|
pageExtensions.push(`server.${ext}`)
|
|
pageExtensions.push(`client.${ext}`)
|
|
})
|
|
result.pageExtensions = pageExtensions
|
|
}
|
|
|
|
return result
|
|
}
|
|
|
|
export default async function loadConfig(
|
|
phase: string,
|
|
dir: string,
|
|
customConfig?: object | null
|
|
): Promise<NextConfigComplete> {
|
|
await loadEnvConfig(dir, phase === PHASE_DEVELOPMENT_SERVER, Log)
|
|
await loadWebpackHook()
|
|
|
|
let configFileName = 'next.config.js'
|
|
|
|
if (customConfig) {
|
|
return assignDefaults({
|
|
configOrigin: 'server',
|
|
configFileName,
|
|
...customConfig,
|
|
}) as NextConfigComplete
|
|
}
|
|
|
|
const path = await findUp(CONFIG_FILES, { cwd: dir })
|
|
|
|
// If config file was found
|
|
if (path?.length) {
|
|
configFileName = basename(path)
|
|
let userConfigModule: any
|
|
|
|
try {
|
|
// `import()` expects url-encoded strings, so the path must be properly
|
|
// escaped and (especially on Windows) absolute paths must pe prefixed
|
|
// with the `file://` protocol
|
|
if (process.env.__NEXT_TEST_MODE === 'jest') {
|
|
// dynamic import does not currently work inside of vm which
|
|
// jest relies on so we fall back to require for this case
|
|
// https://github.com/nodejs/node/issues/35889
|
|
userConfigModule = require(path)
|
|
} else {
|
|
userConfigModule = await import(pathToFileURL(path).href)
|
|
}
|
|
} catch (err) {
|
|
Log.error(
|
|
`Failed to load ${configFileName}, see more info here https://nextjs.org/docs/messages/next-config-error`
|
|
)
|
|
throw err
|
|
}
|
|
const userConfig = normalizeConfig(
|
|
phase,
|
|
userConfigModule.default || userConfigModule
|
|
)
|
|
|
|
if (Object.keys(userConfig).length === 0) {
|
|
Log.warn(
|
|
`Detected ${configFileName}, no exported configuration found. https://nextjs.org/docs/messages/empty-configuration`
|
|
)
|
|
}
|
|
|
|
if (userConfig.target && !targets.includes(userConfig.target)) {
|
|
throw new Error(
|
|
`Specified target is invalid. Provided: "${
|
|
userConfig.target
|
|
}" should be one of ${targets.join(', ')}`
|
|
)
|
|
}
|
|
|
|
if (userConfig.target && userConfig.target !== 'server') {
|
|
Log.warn(
|
|
'The `target` config is deprecated and will be removed in a future version.\n' +
|
|
'See more info here https://nextjs.org/docs/messages/deprecated-target-config'
|
|
)
|
|
}
|
|
|
|
if (userConfig.amp?.canonicalBase) {
|
|
const { canonicalBase } = userConfig.amp || ({} as any)
|
|
userConfig.amp = userConfig.amp || {}
|
|
userConfig.amp.canonicalBase =
|
|
(canonicalBase.endsWith('/')
|
|
? canonicalBase.slice(0, -1)
|
|
: canonicalBase) || ''
|
|
}
|
|
|
|
if (process.env.NEXT_PRIVATE_TARGET || hasNextSupport) {
|
|
userConfig.target = process.env.NEXT_PRIVATE_TARGET || 'server'
|
|
}
|
|
|
|
return assignDefaults({
|
|
configOrigin: relative(dir, path),
|
|
configFile: path,
|
|
configFileName,
|
|
...userConfig,
|
|
}) as NextConfigComplete
|
|
} else {
|
|
const configBaseName = basename(CONFIG_FILES[0], extname(CONFIG_FILES[0]))
|
|
const nonJsPath = findUp.sync(
|
|
[
|
|
`${configBaseName}.jsx`,
|
|
`${configBaseName}.ts`,
|
|
`${configBaseName}.tsx`,
|
|
`${configBaseName}.json`,
|
|
],
|
|
{ cwd: dir }
|
|
)
|
|
if (nonJsPath?.length) {
|
|
throw new Error(
|
|
`Configuring Next.js via '${basename(
|
|
nonJsPath
|
|
)}' is not supported. Please replace the file with 'next.config.js' or 'next.config.mjs'.`
|
|
)
|
|
}
|
|
}
|
|
|
|
const completeConfig = defaultConfig as NextConfigComplete
|
|
completeConfig.configFileName = configFileName
|
|
setHttpAgentOptions(completeConfig.httpAgentOptions)
|
|
return completeConfig
|
|
}
|
|
|
|
export function setHttpAgentOptions(
|
|
options: NextConfigComplete['httpAgentOptions']
|
|
) {
|
|
if ((global as any).__NEXT_HTTP_AGENT) {
|
|
// We only need to assign once because we want
|
|
// to resuse the same agent for all requests.
|
|
return
|
|
}
|
|
|
|
if (!options) {
|
|
throw new Error('Expected config.httpAgentOptions to be an object')
|
|
}
|
|
|
|
;(global as any).__NEXT_HTTP_AGENT = new HttpAgent(options)
|
|
;(global as any).__NEXT_HTTPS_AGENT = new HttpsAgent(options)
|
|
}
|