fafbea8b74
This PR introduces [Edge Runtime](https://edge-runtime.vercel.app/) for emulating [Edge Functions](https://vercel.com/features/edge-functions) locally. Every time you run a [middleware](https://nextjs.org/docs/advanced-features/middleware) locally via `next dev`, an isolated edge runtime context will be created. These contexts have the same constraints as production servers, plus they don't pollute the global scope; Instead, all the code run in a vm on top of a Node.js process. Additionally, `@edge-runtime/jest-environment` has been added to make easier testing Edge Functions in a programmatic way. It dropped the following polyfills from Next.js codebase, since they are now part of Edge Runtime: - abort-controller - formdata - uuid - web-crypto - web-streams Co-authored-by: Gal Schlezinger <2054772+Schniz@users.noreply.github.com>
130 lines
2.6 KiB
TypeScript
130 lines
2.6 KiB
TypeScript
import type { I18NConfig } from '../../config-shared'
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import type { RequestData } from '../types'
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import { NextURL } from '../next-url'
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import { isBot } from '../../utils'
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import { toNodeHeaders, validateURL } from '../utils'
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import parseua from 'next/dist/compiled/ua-parser-js'
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import { NextCookies } from './cookies'
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export const INTERNALS = Symbol('internal request')
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export class NextRequest extends Request {
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[INTERNALS]: {
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cookies: NextCookies
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geo: RequestData['geo']
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ip?: string
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page?: { name?: string; params?: { [key: string]: string | string[] } }
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ua?: UserAgent | null
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url: NextURL
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}
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constructor(input: Request | string, init: RequestInit = {}) {
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const url = typeof input === 'string' ? input : input.url
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validateURL(url)
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super(input, init)
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this[INTERNALS] = {
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cookies: new NextCookies(this),
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geo: init.geo || {},
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ip: init.ip,
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page: init.page,
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url: new NextURL(url, {
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headers: toNodeHeaders(this.headers),
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nextConfig: init.nextConfig,
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}),
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}
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}
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public get cookies() {
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return this[INTERNALS].cookies
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}
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public get geo() {
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return this[INTERNALS].geo
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}
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public get ip() {
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return this[INTERNALS].ip
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}
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public get preflight() {
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return this.headers.get('x-middleware-preflight')
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}
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public get nextUrl() {
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return this[INTERNALS].url
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}
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public get page() {
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return {
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name: this[INTERNALS].page?.name,
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params: this[INTERNALS].page?.params,
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}
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}
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public get ua() {
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if (typeof this[INTERNALS].ua !== 'undefined') {
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return this[INTERNALS].ua || undefined
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}
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const uaString = this.headers.get('user-agent')
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if (!uaString) {
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this[INTERNALS].ua = null
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return this[INTERNALS].ua || undefined
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}
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this[INTERNALS].ua = {
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...parseua(uaString),
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isBot: isBot(uaString),
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}
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return this[INTERNALS].ua
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}
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public get url() {
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return this[INTERNALS].url.toString()
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}
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}
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export interface RequestInit extends globalThis.RequestInit {
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geo?: {
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city?: string
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country?: string
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region?: string
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}
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ip?: string
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nextConfig?: {
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basePath?: string
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i18n?: I18NConfig | null
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trailingSlash?: boolean
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}
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page?: {
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name?: string
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params?: { [key: string]: string | string[] }
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}
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}
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interface UserAgent {
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isBot: boolean
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ua: string
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browser: {
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name?: string
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version?: string
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}
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device: {
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model?: string
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type?: string
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vendor?: string
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}
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engine: {
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name?: string
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version?: string
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}
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os: {
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name?: string
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version?: string
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}
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cpu: {
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architecture?: string
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}
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}
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