32 lines
878 B
TypeScript
32 lines
878 B
TypeScript
import {
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PERMANENT_REDIRECT_STATUS,
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TEMPORARY_REDIRECT_STATUS,
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} from '../shared/lib/constants'
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export const allowedStatusCodes = new Set([301, 302, 303, 307, 308])
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export function getRedirectStatus(route: {
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statusCode?: number
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permanent?: boolean
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}): number {
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return (
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route.statusCode ||
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(route.permanent ? PERMANENT_REDIRECT_STATUS : TEMPORARY_REDIRECT_STATUS)
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)
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}
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// for redirects we restrict matching /_next and for all routes
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// we add an optional trailing slash at the end for easier
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// configuring between trailingSlash: true/false
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export function modifyRouteRegex(regex: string, restrictedPaths?: string[]) {
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if (restrictedPaths) {
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regex = regex.replace(
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/\^/,
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`^(?!${restrictedPaths
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.map((path) => path.replace(/\//g, '\\/'))
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.join('|')})`
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)
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}
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regex = regex.replace(/\$$/, '(?:\\/)?$')
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return regex
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}
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