https://github.com/alekpopovic/barcoder

Production-Ready Code 39 Barcode Generator
https://github.com/alekpopovic/barcoder

elixir mix

Last synced: 4 months ago
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Production-Ready Code 39 Barcode Generator

• Host: GitHub
• URL: https://github.com/alekpopovic/barcoder
• Owner: alekpopovic
• Created: 2025-06-14T16:03:27.000Z (about 1 year ago)
• Default Branch: main
• Last Pushed: 2025-06-14T16:41:07.000Z (about 1 year ago)
• Last Synced: 2025-08-06T11:29:11.328Z (11 months ago)
• Topics: elixir, mix
• Language: Elixir
• Homepage: https://hex.pm/packages/barcoder
• Size: 10.7 KB
• Stars: 0
• Watchers: 0
• Forks: 0
• Open Issues: 0
• Metadata Files:
  • Readme: README.md

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README

          
# Barcoder ![screenshot](barcode.svg)

[![Elixir CI](https://github.com/alekpopovic/barcoder/actions/workflows/elixir.yml/badge.svg)](https://github.com/alekpopovic/barcoder/actions/workflows/elixir.yml)

## Production-Ready Code 39 Barcode Generator

## Features

- Code 39 Support: Implements the widely-supported Code 39 barcode standard

- Input Validation: Validates characters before encoding to prevent runtime errors

- Multiple Output Formats:

- ASCII art for console/terminal display

- SVG format for web applications and printing

- Error Handling: Comprehensive error handling with descriptive messages

- Configurable Options: Customizable width, height, and quiet zones

- Production Ready: Includes proper documentation, validation, and error handling

## Supported Characters

- Numbers: 0-9

- Uppercase letters: A-Z

- Special characters: space, -, ., $, /, +, %

## Usage Examples

```elixir

# Basic ASCII output

{:ok, barcode} = BarcodeGenerator.generate("HELLO123")

IO.puts(barcode)

# SVG output for web use

{:ok, svg} = BarcodeGenerator.generate("PRODUCT001", format: :svg, width: 3, height: 50)

File.write!("barcode.svg", svg)

# Validate input

case BarcodeGenerator.validate_input("TEST123") do

  :ok -> IO.puts("Valid input")

  {:error, reason} -> IO.puts("Error: #{reason}")

end

```

## Installation

```elixir

def deps do

  [

    {:barcoder, "~> 0.1.0"}

  ]

end

```

Documentation can be found at .