env-sentinel/dist/validate/validators/number.validator.js

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

export function numberValidator(key, value) {
    if (value.trim() === '') {
        return `Invalid number for ${key}`;
    }
    return !isNaN(Number(value)) ? true : `Invalid number for ${key}`;
}