@ediflow/edifact-d20b

> EDIFACT D.20B (2020) Standard Definitions


EDIFACT D.20B • 7 Message Types • MIT Licensed • Free

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📦 What is this?

This package contains EDIFACT D.20B (2020) standard definitions for use with @ediflow/core.

Includes:
- Message structures (7 message types)
- Segment definitions
- Element definitions
- Composite definitions
- Code lists

Version: D.20B (2020) - Latest EDIFACT standard ⭐

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🚀 Installation

``bash


Install core library (required)

npm install @ediflow/core

Install this standard package

npm install @ediflow/edifact-d20b
`

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📊 Supported Message Types (7)

| Message Type | Description | Use Case |
|--------------|-------------|----------|
| APERAK | Application Error & Acknowledgement | Error handling |
| DESADV | Despatch Advice | Shipping notifications |
| IFTMIN | Forwarding & Transport Message | Transport instructions |
| INVOIC | Invoice | Billing documents |
| ORDERS | Purchase Order | Order placement |
| ORDRSP | Order Response | Order confirmations |
| RECADV | Receiving Advice | Goods receipt |

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📖 Usage Example

`typescript
import { DIContainer } from '@ediflow/core';

const container = DIContainer.getInstance();
const parseUseCase = container.resolve('ParseEDIUseCase');
const validateUseCase = container.resolve('ValidateMessageUseCase');

// Parse EDIFACT message
const parsed = parseUseCase.execute({
message: edifactString,
standard: 'EDIFACT'
});

// Validate against D.20B structure
const validation = validateUseCase.execute({
message: parsed.message,
messageType: 'ORDERS',
version: 'D20B',
repositoryPath: './node_modules/@ediflow/edifact-d20b/data'
});

if (validation.success) {
console.log('✅ Valid D.20B ORDERS message!');
}
`

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📁 Package Contents

`
@ediflow/edifact-d20b/
└── data/
├── codes/ # Code lists
├── composites.json # Composite elements
├── elements.json # Data elements
├── messages/ # Message structures (7 types)
│ ├── APERAK.json
│ ├── DESADV.json
│ ├── IFTMIN.json
│ ├── INVOIC.json
│ ├── ORDERS.json
│ ├── ORDRSP.json
│ └── RECADV.json
└── segments.json # Segment definitions
`

Package Size: ~1.34 MB

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🎯 When to Use D.20B

Use D.20B if:
- ✅ Starting new EDIFACT integration (recommended!)
- ✅ Need latest standard features
- ✅ Modern logistics & retail
- ✅ No legacy system constraints

This is the recommended version for new projects! ⭐

Consider other versions if:
- 🔄 D.12A - Need more message types (196 total)
- 🔄 D.96A or D.01B - Legacy partner requirements

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📦 Related Packages

Core:
- @ediflow/core - Core library (REQUIRED)

Other EDIFACT Standards:
- @ediflow/edifact-d96a - D.96A (1996) - 7 messages
- @ediflow/edifact-d01b - D.01B (2001) - 4 messages
- @ediflow/edifact-d12a` - D.12A (2012) - 196 messages

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📚 Documentation

- Quick Start Guide
- Main README
- Architecture

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🤝 Contributing

Data corrections or additional message types? We welcome contributions!
- Report issues
- Contribute

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📄 License

MIT License - see LICENSE

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🔗 Links

- GitHub: ediflow-lib/core
- NPM: @ediflow/edifact-d20b
- Core Package: @ediflow/core

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Made with ❤️ for the EDI community