env-sentinel/dist/validation/validate-secure-value.js

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

export function validateSecureValue(key, value) {
    const minLength = 8;
    if (value.length < minLength) {
        return `${key} must be at least ${minLength} characters long`;
    }
    if (!/[A-Z]/.test(value)) {
        return `${key} must contain at least one uppercase letter`;
    }
    if (!/[a-z]/.test(value)) {
        return `${key} must contain at least one lowercase letter`;
    }
    if (!/\d/.test(value)) {
        return `${key} must contain at least one number`;
    }
    if (!/[!@#$%^&*(),.?":{}|<>]/.test(value)) {
        return `${key} must contain at least one special character`;
    }
    if (/\s/.test(value)) {
        return `${key} must not contain spaces`;
    }
    return true;
}