env-sentinel/dist/lint/checks/no-quoted-key.check.js

Zero-dependency tool that auto-validates .env files against schema.env, with optional fallback and secure warnings.

export function noQuotedKeyCheck(lineNumber, lineContent) {
    const equalIndex = lineContent.indexOf('=');
    if (equalIndex === -1)
        return;
    const rawKey = lineContent.slice(0, equalIndex).trim();
    const startsWithQuote = rawKey.startsWith('"') || rawKey.startsWith("'");
    const endsWithQuote = rawKey.endsWith('"') || rawKey.endsWith("'");
    if (startsWithQuote || endsWithQuote) {
        return {
            line: lineNumber,
            issue: `Quoted keys are not allowed: ${rawKey}`,
            content: lineContent,
            severity: 'error',
        };
    }
    return;
}