payload/dist/utilities/findUp.js

Node, React, Headless CMS and Application Framework built on Next.js

// @ts-strict-ignore
import fs from 'fs';
import path from 'path';
/**
 * Synchronously walks up parent directories until a condition is met and/or one of the file names within the fileNames array is found.
 */ export function findUpSync({ condition, dir, fileNames }) {
    const { root } = path.parse(dir);
    while(true){
        if (fileNames?.length) {
            let found = false;
            for (const fileName of fileNames){
                const filePath = path.join(dir, fileName);
                const exists = pathExistsAndIsAccessibleSync(filePath);
                if (exists) {
                    if (!condition) {
                        return filePath;
                    }
                    found = true;
                    break;
                }
            }
            if (!found) {
                dir = path.dirname(dir) // Move up one directory level.
                ;
                continue;
            }
        }
        const result = condition(dir);
        if (result === true) {
            return dir;
        }
        if (typeof result === 'string' && result?.length) {
            return result;
        }
        if (dir === root) {
            return null // Reached the root directory without a match.
            ;
        }
        dir = path.dirname(dir) // Move up one directory level.
        ;
    }
}
/**
 * Asynchronously walks up parent directories until a condition is met and/or one of the file names within the fileNames array is found.
 */ export async function findUp({ condition, dir, fileNames }) {
    const { root } = path.parse(dir);
    while(true){
        if (fileNames?.length) {
            let found = false;
            for (const fileName of fileNames){
                const filePath = path.resolve(dir, fileName);
                const exists = await pathExistsAndIsAccessible(filePath);
                if (exists) {
                    if (!condition) {
                        return filePath;
                    }
                    found = true;
                    break;
                }
            }
            if (!found) {
                dir = path.dirname(dir) // Move up one directory level.
                ;
                continue;
            }
        }
        const result = await condition(dir);
        if (result === true) {
            return dir;
        }
        if (typeof result === 'string' && result?.length) {
            return result;
        }
        if (dir === root) {
            return null // Reached the root directory without a match.
            ;
        }
        dir = path.dirname(dir) // Move up one directory level.
        ;
    }
}
// From https://github.com/sindresorhus/path-exists/blob/main/index.js
// fs.accessSync is preferred over fs.existsSync as it's usually a good idea
// to check if the process has permission to read/write to a file before doing so.
// Also see https://github.com/nodejs/node/issues/39960
export function pathExistsAndIsAccessibleSync(path) {
    try {
        fs.accessSync(path);
        return true;
    } catch  {
        return false;
    }
}
export async function pathExistsAndIsAccessible(path) {
    try {
        await fs.promises.access(path);
        return true;
    } catch  {
        return false;
    }
}

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