An open-source, type-safe TypeScript/Node.js npm package for retrieving real-time and historical Sri Lankan lottery results from the National Lotteries Board (NLB) and Development Lotteries Board (DLB). It transforms lottery data into developer-friendly structured JSON with historical draw support,
lk-lottery-results is an open-source TypeScript/Node.js npm package designed to make Sri Lankan lottery data easily accessible to developers.
The library retrieves real-time and historical lottery results from both the National Lotteries Board (NLB) and Development Lotteries Board (DLB) and converts them into clean, structured JSON that can be easily integrated into websites, mobile applications, APIs, dashboards, and other software.
Sri Lankan lottery information is primarily published for human consumption through official websites. This project provides a developer-friendly abstraction for accessing that information programmatically through a simple, type-safe JavaScript/TypeScript API.
The package includes built-in mechanisms for dealing with network failures and source-site restrictions.
For NLB requests, it can automatically resolve the site's verification challenge and maintain the required cookie in memory. Requests also support retries with exponential backoff, configurable timeouts, custom headers, and proxies.
Lottery results are normalized into predictable JavaScript objects containing information such as:
This allows applications to consume lottery information without implementing their own scraping and parsing logic.
The package provides simple helper functions for common operations, including:
For more advanced applications, the SriLankaLottery client provides configurable access to both NLB and DLB data sources.
Published as an npm package, allowing developers to integrate Sri Lankan lottery results directly into Node.js and TypeScript projects.
npm install lk-lottery-results
The project includes unit testing and live integration verification to help ensure parsers and data retrieval continue working as expected.
Clear error types are provided for network failures, unavailable lottery draws, and parsing errors, allowing applications to handle failures gracefully.
The project is open source and distributed under the MIT License, making it available for developers to use, modify, and contribute to.
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