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next-url.ts
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next-url.ts
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import type { OutgoingHttpHeaders } from 'http'
import type { DomainLocale, I18NConfig } from '../config-shared'
import type { I18NProvider } from '../future/helpers/i18n-provider'
import { detectDomainLocale } from '../../shared/lib/i18n/detect-domain-locale'
import { formatNextPathnameInfo } from '../../shared/lib/router/utils/format-next-pathname-info'
import { getHostname } from '../../shared/lib/get-hostname'
import { getNextPathnameInfo } from '../../shared/lib/router/utils/get-next-pathname-info'
interface Options {
base?: string | URL
headers?: OutgoingHttpHeaders
forceLocale?: boolean
nextConfig?: {
basePath?: string
i18n?: I18NConfig | null
trailingSlash?: boolean
}
i18nProvider?: I18NProvider
}
const REGEX_LOCALHOST_HOSTNAME =
/(?!^https?:\/\/)(127(?:\.(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)){3}|::1|localhost)/
function parseURL(url: string | URL, base?: string | URL) {
return new URL(
String(url).replace(REGEX_LOCALHOST_HOSTNAME, 'localhost'),
base && String(base).replace(REGEX_LOCALHOST_HOSTNAME, 'localhost')
)
}
const Internal = Symbol('NextURLInternal')
export class NextURL {
private [Internal]: {
basePath: string
buildId?: string
flightSearchParameters?: Record<string, string>
defaultLocale?: string
domainLocale?: DomainLocale
locale?: string
options: Options
trailingSlash?: boolean
url: URL
}
constructor(input: string | URL, base?: string | URL, opts?: Options)
constructor(input: string | URL, opts?: Options)
constructor(
input: string | URL,
baseOrOpts?: string | URL | Options,
opts?: Options
) {
let base: undefined | string | URL
let options: Options
if (
(typeof baseOrOpts === 'object' && 'pathname' in baseOrOpts) ||
typeof baseOrOpts === 'string'
) {
base = baseOrOpts
options = opts || {}
} else {
options = opts || baseOrOpts || {}
}
this[Internal] = {
url: parseURL(input, base ?? options.base),
options: options,
basePath: '',
}
this.analyze()
}
private analyze() {
const info = getNextPathnameInfo(this[Internal].url.pathname, {
nextConfig: this[Internal].options.nextConfig,
parseData: !process.env.__NEXT_NO_MIDDLEWARE_URL_NORMALIZE,
i18nProvider: this[Internal].options.i18nProvider,
})
const hostname = getHostname(
this[Internal].url,
this[Internal].options.headers
)
this[Internal].domainLocale = this[Internal].options.i18nProvider
? this[Internal].options.i18nProvider.detectDomainLocale(hostname)
: detectDomainLocale(
this[Internal].options.nextConfig?.i18n?.domains,
hostname
)
const defaultLocale =
this[Internal].domainLocale?.defaultLocale ||
this[Internal].options.nextConfig?.i18n?.defaultLocale
this[Internal].url.pathname = info.pathname
this[Internal].defaultLocale = defaultLocale
this[Internal].basePath = info.basePath ?? ''
this[Internal].buildId = info.buildId
this[Internal].locale = info.locale ?? defaultLocale
this[Internal].trailingSlash = info.trailingSlash
}
private formatPathname() {
return formatNextPathnameInfo({
basePath: this[Internal].basePath,
buildId: this[Internal].buildId,
defaultLocale: !this[Internal].options.forceLocale
? this[Internal].defaultLocale
: undefined,
locale: this[Internal].locale,
pathname: this[Internal].url.pathname,
trailingSlash: this[Internal].trailingSlash,
})
}
private formatSearch() {
return this[Internal].url.search
}
public get buildId() {
return this[Internal].buildId
}
public set buildId(buildId: string | undefined) {
this[Internal].buildId = buildId
}
public get locale() {
return this[Internal].locale ?? ''
}
public set locale(locale: string) {
if (
!this[Internal].locale ||
!this[Internal].options.nextConfig?.i18n?.locales.includes(locale)
) {
throw new TypeError(
`The NextURL configuration includes no locale "${locale}"`
)
}
this[Internal].locale = locale
}
get defaultLocale() {
return this[Internal].defaultLocale
}
get domainLocale() {
return this[Internal].domainLocale
}
get searchParams() {
return this[Internal].url.searchParams
}
get host() {
return this[Internal].url.host
}
set host(value: string) {
this[Internal].url.host = value
}
get hostname() {
return this[Internal].url.hostname
}
set hostname(value: string) {
this[Internal].url.hostname = value
}
get port() {
return this[Internal].url.port
}
set port(value: string) {
this[Internal].url.port = value
}
get protocol() {
return this[Internal].url.protocol
}
set protocol(value: string) {
this[Internal].url.protocol = value
}
get href() {
const pathname = this.formatPathname()
const search = this.formatSearch()
return `${this.protocol}//${this.host}${pathname}${search}${this.hash}`
}
set href(url: string) {
this[Internal].url = parseURL(url)
this.analyze()
}
get origin() {
return this[Internal].url.origin
}
get pathname() {
return this[Internal].url.pathname
}
set pathname(value: string) {
this[Internal].url.pathname = value
}
get hash() {
return this[Internal].url.hash
}
set hash(value: string) {
this[Internal].url.hash = value
}
get search() {
return this[Internal].url.search
}
set search(value: string) {
this[Internal].url.search = value
}
get password() {
return this[Internal].url.password
}
set password(value: string) {
this[Internal].url.password = value
}
get username() {
return this[Internal].url.username
}
set username(value: string) {
this[Internal].url.username = value
}
get basePath() {
return this[Internal].basePath
}
set basePath(value: string) {
this[Internal].basePath = value.startsWith('/') ? value : `/${value}`
}
toString() {
return this.href
}
toJSON() {
return this.href
}
[Symbol.for('edge-runtime.inspect.custom')]() {
return {
href: this.href,
origin: this.origin,
protocol: this.protocol,
username: this.username,
password: this.password,
host: this.host,
hostname: this.hostname,
port: this.port,
pathname: this.pathname,
search: this.search,
searchParams: this.searchParams,
hash: this.hash,
}
}
clone() {
return new NextURL(String(this), this[Internal].options)
}
}