| import fs from 'fs' | |
| import path from 'path' | |
| export function findDir(dir: string, name: 'pages' | 'app'): string | null { | |
| // prioritize ./${name} over ./src/${name} | |
| let curDir = path.join(dir, name) | |
| if (fs.existsSync(curDir)) return curDir | |
| curDir = path.join(dir, 'src', name) | |
| if (fs.existsSync(curDir)) return curDir | |
| return null | |
| } | |
| export function findPagesDir(dir: string): { | |
| pagesDir: string | undefined | |
| appDir: string | undefined | |
| } { | |
| const pagesDir = findDir(dir, 'pages') || undefined | |
| const appDir = findDir(dir, 'app') || undefined | |
| if (appDir == null && pagesDir == null) { | |
| throw new Error( | |
| "> Couldn't find any `pages` or `app` directory. Please create one under the project root" | |
| ) | |
| } | |
| return { | |
| pagesDir, | |
| appDir, | |
| } | |
| } | |