react-cosmos/dist/utils/findUp.js

Sandbox for developing and testing UI components in isolation

import fs from 'node:fs/promises';
import path from 'node:path';
// Code inspired from https://github.com/sindresorhus/find-up-simple/
export async function findUp(fileName, fromDir) {
    const { root: rootDir } = path.parse(fromDir);
    let currentDir = fromDir;
    while (currentDir && currentDir !== rootDir) {
        const filePath = path.join(currentDir, fileName);
        try {
            const stats = await fs.stat(filePath);
            if (stats.isFile()) {
                return filePath;
            }
        }
        catch { }
        currentDir = path.dirname(currentDir);
    }
    return null;
}