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import { ensureLeadingSlash } from './ensure-leading-slash'
import { normalizePathSep } from './normalize-path-sep'
import path from '../isomorphic/path'
import { removePagePathTail } from './remove-page-path-tail'
import { normalizeMetadataRoute } from '../../../lib/metadata/get-metadata-route'
import type { PAGE_TYPES } from '../../../lib/page-types'
/**
* Given the absolute path to the pages folder, an absolute file path for a
* page and the page extensions, this function will return the page path
* relative to the pages folder. It doesn't consider index tail. Example:
* - `/Users/rick/my-project/pages/foo/bar/baz.js` -> `/foo/bar/baz`
*
* It also handles special metadata routes mapping. Example:
* - `/Users/rick/my-project/app/sitemap.js` -> `/sitemap/route`
*
* @param filepath Absolute path to the page.
* @param opts.dir Absolute path to the pages/app folder.
* @param opts.extensions Extensions allowed for the page.
* @param opts.keepIndex When true the trailing `index` kept in the path.
* @param opts.pagesType Whether the page is in the pages or app directory.
*/
export function absolutePathToPage(
pagePath: string,
options: {
extensions: string[] | readonly string[]
keepIndex: boolean
dir: string
pagesType: PAGE_TYPES
}
) {
const isAppDir = options.pagesType === 'app'
const page = removePagePathTail(
normalizePathSep(ensureLeadingSlash(path.relative(options.dir, pagePath))),
{
extensions: options.extensions,
keepIndex: options.keepIndex,
}
)
return isAppDir ? normalizeMetadataRoute(page) : page
}
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