ctrovalidate-core

Zero-dependency, platform-agnostic validation engine for JavaScript and TypeScript.

The headless validation engine at the heart of the Ctrovalidate ecosystem. Provides pure validation logic with zero runtime dependencies — runs in Node.js, browsers, edge functions, and any JavaScript environment.

Installation

npm install ctrovalidate-core

Quick Start

import { validate } from 'ctrovalidate-core';

const results = validate(
  { email: '[email protected]', age: 25 },
  { email: 'required|email', age: 'required|min:18' }
);
// { email: { isValid: true, error: null, rule: null }, age: { ... } }

API Overview

| Function | Description | |----------|-------------| | validateValue(value, rules, options?) | Validate a single value synchronously | | validate(data, schema, options?) | Validate an entire data object synchronously | | validateValueAsync(value, rules, options?) | Validate a single value asynchronously | | validateAsync(data, schema, options?) | Validate an entire data object asynchronously |

Full documentation: ctrovalidate-core API Reference · Guide

Features

• 22 built-in rules: required, email, min, max, minLength, maxLength, alpha, alphaNum, alphaDash, alphaSpaces, numeric, integer, decimal, url, ipAddress, json, phone, creditCard, strongPassword, exactLength, between, sameAs
• 4 validation functions: Sync and async, single value and full object
• Schema formats: String ("required|email"), array, or hybrid
• Rule aliases: Recursive macro expansion with cycle protection
• i18n: Built-in Translator with locale switching and parameter interpolation
• Async support: AbortSignal integration for race-condition-free remote validation
• Zero dependencies: ~5KB minified

Documentation

• Full API Reference
• Core Concepts Guide
• Rules Catalog
• Schema System
• Custom Rules
• Async Validation
• i18n & Localization

License

MIT © Ctrotech