54 lines
1.7 KiB
TypeScript
54 lines
1.7 KiB
TypeScript
import { getModuleBuildInfo } from './get-module-build-info'
|
|
import { stringifyRequest } from '../stringify-request'
|
|
import { MIDDLEWARE_LOCATION_REGEXP } from '../../../lib/constants'
|
|
|
|
export type MiddlewareLoaderOptions = {
|
|
absolutePagePath: string
|
|
page: string
|
|
matcherRegexp?: string
|
|
}
|
|
|
|
export default function middlewareLoader(this: any) {
|
|
const {
|
|
absolutePagePath,
|
|
page,
|
|
matcherRegexp: base64MatcherRegex,
|
|
}: MiddlewareLoaderOptions = this.getOptions()
|
|
const matcherRegexp = Buffer.from(
|
|
base64MatcherRegex || '',
|
|
'base64'
|
|
).toString()
|
|
const stringifiedPagePath = stringifyRequest(this, absolutePagePath)
|
|
const buildInfo = getModuleBuildInfo(this._module)
|
|
buildInfo.nextEdgeMiddleware = {
|
|
matcherRegexp,
|
|
page:
|
|
page.replace(new RegExp(`/${MIDDLEWARE_LOCATION_REGEXP}$`), '') || '/',
|
|
}
|
|
|
|
return `
|
|
import { adapter, blockUnallowedResponse } from 'next/dist/server/web/adapter'
|
|
|
|
// The condition is true when the "process" module is provided
|
|
if (process !== global.process) {
|
|
// prefer local process but global.process has correct "env"
|
|
process.env = global.process.env;
|
|
global.process = process;
|
|
}
|
|
|
|
var mod = require(${stringifiedPagePath})
|
|
var handler = mod.middleware || mod.default;
|
|
|
|
if (typeof handler !== 'function') {
|
|
throw new Error('The Middleware "pages${page}" must export a \`middleware\` or a \`default\` function');
|
|
}
|
|
|
|
export default function (opts) {
|
|
return blockUnallowedResponse(adapter({
|
|
...opts,
|
|
page: ${JSON.stringify(page)},
|
|
handler,
|
|
}))
|
|
}
|
|
`
|
|
}
|