js路径是否存在

async function checkPathExists(url) {
    try {
        const response = await fetch(url, { method: 'HEAD' });
        return response.ok;
    } catch (error) {
        console.error('Error checking path:', error);
        return false;
    }
}

// 使用示例
checkPathExists('https://example.com/path/to/resource')
    .then(exists => console.log('Path exists:', exists));

const fs = require('fs');

function checkPathExists(path) {
    return new Promise((resolve, reject) => {
        fs.access(path, fs.constants.F_OK, (err) => {
            if (err) {
                resolve(false);
            } else {
                resolve(true);
            }
        });
    });
}

// 使用示例
checkPathExists('/path/to/resource')
    .then(exists => console.log('Path exists:', exists));