id_doc_kit #

A lightweight, production-ready Flutter/Dart toolkit for validating
Indian ID documents with structured results and flexible form field support.

Perfect for KYC, onboarding, fintech, business verification, and identity apps.

✅ Supported Documents #

• ✅ Aadhaar (with Verhoeff checksum)
• ✅ PAN
• ✅ Driving License (basic format)
• ✅ GSTIN (basic structure + state code)
• ✅ Voter ID (EPIC) — 2–3 letters + 7 digits
• ✅ Passport (Indian) — 1 letter + 7 digits

This makes id_doc_kit one of the most complete, developer-friendly Indian document validation packages on pub.dev.

✨ Key Features #

• ✅ Structured validation results

  • isValid
  • normalizedValue
  • errorCode (e.g. INVALID_FORMAT, INVALID_LENGTH, INVALID_CHECKSUM)
  • errorMessage (human-friendly)

• ✅ Single unified validator API

  • IdValidator.instance.validate(type: ..., value: ...)
  • IdValidator.instance.validateAuto(value) (optional)

• ✅ Three flexible ways to handle input fields

  • idFormFieldValidator → logic only
  • IdTextField → ready-to-use widget
  • IdField → fully custom UI via builder

• 🔄 Consistent behavior across Aadhaar, PAN, DL, GSTIN, Voter ID, Passport

• 🚫 No external APIs (offline, fast, privacy-safe)

• 🌐 Works on Android, iOS, Web

• 🧪 Well-tested & null-safe

📦 Installation #

Add this to your pubspec.yaml:

dependencies:
  id_doc_kit: ^0.0.4