| import type { |
| MiddlewareConfig, |
| MiddlewareMatcher, |
| } from '../../analysis/get-page-static-info' |
| import { getModuleBuildInfo } from './get-module-build-info' |
| import { MIDDLEWARE_LOCATION_REGEXP } from '../../../lib/constants' |
| import { loadEntrypoint } from '../../load-entrypoint' |
|
|
| export type MiddlewareLoaderOptions = { |
| absolutePagePath: string |
| page: string |
| rootDir: string |
| matchers?: string |
| preferredRegion: string | string[] | undefined |
| middlewareConfig: string |
| } |
|
|
| |
| |
| export function encodeMatchers(matchers: MiddlewareMatcher[]) { |
| return Buffer.from(JSON.stringify(matchers)).toString('base64') |
| } |
|
|
| export function decodeMatchers(encodedMatchers: string) { |
| return JSON.parse( |
| Buffer.from(encodedMatchers, 'base64').toString() |
| ) as MiddlewareMatcher[] |
| } |
|
|
| export default async function middlewareLoader(this: any) { |
| const { |
| absolutePagePath, |
| page, |
| rootDir, |
| matchers: encodedMatchers, |
| preferredRegion, |
| middlewareConfig: middlewareConfigBase64, |
| }: MiddlewareLoaderOptions = this.getOptions() |
| const matchers = encodedMatchers ? decodeMatchers(encodedMatchers) : undefined |
| const pagePath = this.utils.contextify( |
| this.context || this.rootContext, |
| absolutePagePath |
| ) |
|
|
| const middlewareConfig: MiddlewareConfig = JSON.parse( |
| Buffer.from(middlewareConfigBase64, 'base64').toString() |
| ) |
| const buildInfo = getModuleBuildInfo(this._module) |
| buildInfo.nextEdgeMiddleware = { |
| matchers, |
| page: |
| page.replace(new RegExp(`/${MIDDLEWARE_LOCATION_REGEXP}$`), '') || '/', |
| } |
| buildInfo.rootDir = rootDir |
| buildInfo.route = { |
| page, |
| absolutePagePath, |
| preferredRegion, |
| middlewareConfig, |
| } |
|
|
| return await loadEntrypoint('middleware', { |
| VAR_USERLAND: pagePath, |
| VAR_DEFINITION_PAGE: page, |
| }) |
| } |
|
|
