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import picomatch from 'next/dist/compiled/picomatch'
import { z } from 'next/dist/compiled/zod'
import { tryToParsePath } from '../../../lib/try-to-parse-path'
import type { RouteHas } from '../../../lib/load-custom-routes'
const RouteHasSchema = z.discriminatedUnion('type', [
z
.object({
type: z.enum(['header', 'query', 'cookie']),
key: z.string({
required_error: 'key is required when type is header, query or cookie',
}),
value: z
.string({
invalid_type_error: 'value must be a string',
})
.optional(),
})
.strict(),
z
.object({
type: z.literal('host'),
value: z.string({
required_error: 'host must have a value',
}),
})
.strict(),
])
/**
* @internal - required to exclude zod types from the build
*/
export const SourceSchema = z
.string({
required_error: 'source is required',
})
.max(4096, 'exceeds max built length of 4096 for route')
.superRefine((val, ctx) => {
if (!val.startsWith('/')) {
return ctx.addIssue({
code: z.ZodIssueCode.custom,
message: `source must start with /`,
})
}
const { error, regexStr } = tryToParsePath(val)
if (error || !regexStr) {
ctx.addIssue({
code: z.ZodIssueCode.custom,
message: `Invalid source '${val}': ${error.message}`,
})
}
})
const MiddlewareMatcherInputSchema = z
.object({
locale: z.union([z.literal(false), z.undefined()]).optional(),
has: z.array(RouteHasSchema).optional(),
missing: z.array(RouteHasSchema).optional(),
source: SourceSchema,
})
.strict()
const MiddlewareConfigMatcherInputSchema = z.union([
SourceSchema,
z.array(
z.union([SourceSchema, MiddlewareMatcherInputSchema], {
invalid_type_error: 'must be an array of strings or middleware matchers',
})
),
])
/**
* @internal - required to exclude zod types from the build
*/
export type MiddlewareConfigMatcherInput = z.infer<
typeof MiddlewareConfigMatcherInputSchema
>
const GlobSchema = z.string().superRefine((val, ctx) => {
try {
picomatch(val)
} catch (err: any) {
ctx.addIssue({
code: z.ZodIssueCode.custom,
message: `Invalid glob pattern '${val}': ${err.message}`,
})
}
})
/**
* @internal - required to exclude zod types from the build
*/
export const MiddlewareConfigInputSchema = z.object({
/**
* The matcher for the middleware.
*/
matcher: MiddlewareConfigMatcherInputSchema.optional(),
/**
* The regions that the middleware should run in.
*/
regions: z.union([z.string(), z.array(z.string())]).optional(),
/**
* A glob, or an array of globs, ignoring dynamic code evaluation for specific
* files. The globs are relative to your application root folder.
*/
unstable_allowDynamic: z.union([GlobSchema, z.array(GlobSchema)]).optional(),
})
export type MiddlewareConfigInput = {
/**
* The matcher for the middleware.
*/
matcher?:
| string
| Array<
| {
locale?: false
has?: RouteHas[]
missing?: RouteHas[]
source: string
}
| string
>
/**
* The regions that the middleware should run in.
*/
regions?: string | string[]
/**
* A glob, or an array of globs, ignoring dynamic code evaluation for specific
* files. The globs are relative to your application root folder.
*/
unstable_allowDynamic?: string | string[]
}
/**
* The keys of the configuration for a middleware.
*
* @internal - required to exclude zod types from the build
*/
export const MiddlewareConfigInputSchemaKeys =
MiddlewareConfigInputSchema.keyof().options
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