gistfile1.txt

const fs = require('fs');
const path = require('path');

const envFilePath = path.resolve(__dirname, '.env');

// Function to read the .env file and return its content as an array of lines
function readEnvFile() {
    return fs.readFileSync(envFilePath, 'utf8').split('\n');
}

// Function to write the modified content back to the .env file
function writeEnvFile(lines) {
    fs.writeFileSync(envFilePath, lines.join('\n'), 'utf8');
}

// Function to add or update a key-value pair in the .env file
function upsertEnvKey(key, value) {
    const lines = readEnvFile();
    let keyFound = false;

    for (let i = 0; i < lines.length; i++) {
        const line = lines[i];

        // Skip empty lines and comments
        if (line.trim() === '' || line.trim().startsWith('#')) continue;

        const [currentKey] = line.split('=');

        if (currentKey.trim() === key) {
            lines[i] = `${key}=${value}`; // Update the existing key
            keyFound = true;
            break;
        }
    }

    if (!keyFound) {
        lines.push(`${key}=${value}`); // Add the new key-value pair
    }

    writeEnvFile(lines);
}

// Function to remove a key from the .env file
function removeEnvKey(key) {
    let lines = readEnvFile();

    lines = lines.filter(line => {
        if (line.trim().startsWith('#') || line.trim() === '') return true; // Keep comments and empty lines
        const [currentKey] = line.split('=');
        return currentKey.trim() !== key;
    });

    writeEnvFile(lines);
}

// Example usage
upsertEnvKey('MY_KEY', 'myValue'); // Add or update MY_KEY
removeEnvKey('ANOTHER_KEY'); // Remove ANOTHER_KEY