eDoc Viewer

A modern viewer for EU standard ASiC-E containers and Latvian eDoc files. Works as a progressive web application.

Features

• View and verify signatures in eDoc and ASiC-E containers
• Download files contained within the container
• View supported document types directly in the browser
• Multilingual support (English, Latvian)
• Drag and drop file upload
• File handling for .edoc and .asice files through Progressive Web App functionality

Application

The web application allows users to:

1. Upload eDoc files through drag & drop or file selection
2. View file signatures and verification status
3. Access document files contained in the container
4. Download the original container or its contents

PWA capabilities

The Progressive Web Application (PWA) capabilities provide:

1. Offline access to the viewer
2. File handling for .edoc and .asice files directly in your operating system
3. Same viewing capabilities as the web application

Development

Prerequisites

• Node.js (v22 recommended)
• npm (v10 or higher)

Installation

1. Clone the repository

   git clone https://github.com/yourusername/edoc-viewer.git
   cd edoc-viewer
   

2. Install dependencies

   npm install
   

Development Server

Run the development server for the web application:

npm run dev

The application will be available at http://localhost:8080.

Building

Build the web application:

npm run build

Localization

Extract messages for localization:

npm run localize:extract

Build localized versions:

npm run localize:build

Technology Stack

• TypeScript
• Lit 3.x for web components
• @lit/localize for internationalization
• Tailwind CSS for styling
• @shoelace-style/shoelace for UI components
• edockit library for ASiC-E/eDoc parsing
• Webpack 5 for bundling with optimization for:
  • Separate bundle for edockit and dependencies
  • Separate bundle for web components
  • Optimized localization bundle
• Workbox for PWA service worker

License

MIT - See LICENSE file for details.