9e87596bd6
Co-authored-by: kodiakhq[bot] <49736102+kodiakhq[bot]@users.noreply.github.com>
65 lines
2 KiB
TypeScript
65 lines
2 KiB
TypeScript
import { join, sep as pathSeparator, normalize } from 'path'
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import chalk from 'chalk'
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import { warn } from '../../build/output/log'
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import { promises } from 'fs'
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import { denormalizePagePath } from '../../next-server/server/normalize-page-path'
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import { fileExists } from '../../lib/file-exists'
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async function isTrueCasePagePath(pagePath: string, pagesDir: string) {
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const pageSegments = normalize(pagePath).split(pathSeparator).filter(Boolean)
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const segmentExistsPromises = pageSegments.map(async (segment, i) => {
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const segmentParentDir = join(pagesDir, ...pageSegments.slice(0, i))
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const parentDirEntries = await promises.readdir(segmentParentDir)
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return parentDirEntries.includes(segment)
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})
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return (await Promise.all(segmentExistsPromises)).every(Boolean)
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}
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export async function findPageFile(
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rootDir: string,
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normalizedPagePath: string,
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pageExtensions: string[]
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): Promise<string | null> {
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const foundPagePaths: string[] = []
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const page = denormalizePagePath(normalizedPagePath)
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for (const extension of pageExtensions) {
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if (!normalizedPagePath.endsWith('/index')) {
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const relativePagePath = `${page}.${extension}`
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const pagePath = join(rootDir, relativePagePath)
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if (await fileExists(pagePath)) {
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foundPagePaths.push(relativePagePath)
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}
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}
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const relativePagePathWithIndex = join(page, `index.${extension}`)
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const pagePathWithIndex = join(rootDir, relativePagePathWithIndex)
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if (await fileExists(pagePathWithIndex)) {
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foundPagePaths.push(relativePagePathWithIndex)
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}
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}
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if (foundPagePaths.length < 1) {
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return null
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}
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if (!(await isTrueCasePagePath(foundPagePaths[0], rootDir))) {
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return null
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}
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if (foundPagePaths.length > 1) {
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warn(
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`Duplicate page detected. ${chalk.cyan(
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join('pages', foundPagePaths[0])
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)} and ${chalk.cyan(
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join('pages', foundPagePaths[1])
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)} both resolve to ${chalk.cyan(normalizedPagePath)}.`
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)
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}
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return foundPagePaths[0]
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}
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