/
request-meta.ts
135 lines (118 loc) · 3.7 KB
/
request-meta.ts
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/* eslint-disable no-redeclare */
import type { IncomingMessage } from 'http'
import type { ParsedUrlQuery } from 'querystring'
import type { UrlWithParsedQuery } from 'url'
import type { BaseNextRequest } from './base-http'
import type { CloneableBody } from './body-streams'
import { RouteMatch } from './future/route-matches/route-match'
import { NEXT_RSC_UNION_QUERY } from '../client/components/app-router-headers'
// FIXME: (wyattjoh) this is a temporary solution to allow us to pass data between bundled modules
export const NEXT_REQUEST_META = Symbol.for('NextInternalRequestMeta')
export type NextIncomingMessage = (BaseNextRequest | IncomingMessage) & {
[NEXT_REQUEST_META]?: RequestMeta
}
export interface RequestMeta {
__NEXT_INIT_QUERY?: ParsedUrlQuery
__NEXT_INIT_URL?: string
__NEXT_CLONABLE_BODY?: CloneableBody
__nextHadTrailingSlash?: boolean
/**
* True when the request matched a locale domain that was configured in the
* next.config.js file.
*/
__nextIsLocaleDomain?: boolean
/**
* True when the request had locale information stripped from the pathname
* part of the URL.
*/
__nextStrippedLocale?: boolean
_nextDidRewrite?: boolean
_nextHadBasePath?: boolean
_nextRewroteUrl?: string
_nextMiddlewareCookie?: string[]
_protocol?: string
_nextDataNormalizing?: boolean
_nextMatch?: RouteMatch
_nextIncrementalCache?: any
_nextMinimalMode?: boolean
}
export function getRequestMeta(
req: NextIncomingMessage,
key?: undefined
): RequestMeta
export function getRequestMeta<K extends keyof RequestMeta>(
req: NextIncomingMessage,
key: K
): RequestMeta[K]
export function getRequestMeta<K extends keyof RequestMeta>(
req: NextIncomingMessage,
key?: K
): RequestMeta | RequestMeta[K] {
const meta = req[NEXT_REQUEST_META] || {}
return typeof key === 'string' ? meta[key] : meta
}
export function setRequestMeta(req: NextIncomingMessage, meta: RequestMeta) {
req[NEXT_REQUEST_META] = meta
return getRequestMeta(req)
}
export function addRequestMeta<K extends keyof RequestMeta>(
request: NextIncomingMessage,
key: K,
value: RequestMeta[K]
) {
const meta = getRequestMeta(request)
meta[key] = value
return setRequestMeta(request, meta)
}
type NextQueryMetadata = {
__nextNotFoundSrcPage?: string
__nextDefaultLocale?: string
__nextFallback?: 'true'
/**
* The locale that was inferred or explicitly set for the request.
*
* When this property is mutated, it's important to also update the request
* metadata for `_nextInferredDefaultLocale` to ensure that the correct
* behavior is applied.
*/
__nextLocale?: string
/**
* `1` when the request did not have a locale in the pathname part of the
* URL but the default locale was inferred from either the domain or the
* configuration.
*/
__nextInferredLocaleFromDefault?: '1'
__nextSsgPath?: string
_nextBubbleNoFallback?: '1'
__nextDataReq?: '1'
__nextCustomErrorRender?: '1'
[NEXT_RSC_UNION_QUERY]?: string
}
export type NextParsedUrlQuery = ParsedUrlQuery &
NextQueryMetadata & {
amp?: '1'
}
export interface NextUrlWithParsedQuery extends UrlWithParsedQuery {
query: NextParsedUrlQuery
}
export function getNextInternalQuery(
query: NextParsedUrlQuery
): NextQueryMetadata {
const keysToInclude: (keyof NextQueryMetadata)[] = [
'__nextDefaultLocale',
'__nextFallback',
'__nextLocale',
'__nextSsgPath',
'_nextBubbleNoFallback',
'__nextDataReq',
'__nextInferredLocaleFromDefault',
]
const nextInternalQuery: NextQueryMetadata = {}
for (const key of keysToInclude) {
if (key in query) {
// @ts-ignore this can't be typed correctly
nextInternalQuery[key] = query[key]
}
}
return nextInternalQuery
}