| import { ensureLeadingSlash } from './ensure-leading-slash' | |
| import { isDynamicRoute } from '../router/utils' | |
| import { NormalizeError } from '../utils' | |
| /** | |
| * Takes a page and transforms it into its file counterpart ensuring that the | |
| * output is normalized. Note this function is not idempotent because a page | |
| * `/index` can be referencing `/index/index.js` and `/index/index` could be | |
| * referencing `/index/index/index.js`. Examples: | |
| * - `/` -> `/index` | |
| * - `/index/foo` -> `/index/index/foo` | |
| * - `/index` -> `/index/index` | |
| */ | |
| export function normalizePagePath(page: string): string { | |
| const normalized = | |
| /^\/index(\/|$)/.test(page) && !isDynamicRoute(page) | |
| ? `/index${page}` | |
| : page === '/' | |
| ? '/index' | |
| : ensureLeadingSlash(page) | |
| if (process.env.NEXT_RUNTIME !== 'edge') { | |
| const { posix } = require('path') as typeof import('path') | |
| const resolvedPage = posix.normalize(normalized) | |
| if (resolvedPage !== normalized) { | |
| throw new NormalizeError( | |
| `Requested and resolved page mismatch: ${normalized} ${resolvedPage}` | |
| ) | |
| } | |
| } | |
| return normalized | |
| } | |