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Introducing ocpp-ws-io: The Type-Safe OCPP Ecosystem for Node.js ⚡

Introducing ocpp-ws-io: The Type-Safe OCPP Ecosystem for Node.js ⚡

via Dev.to WebdevRohit Tiwari

If you've ever built software for the EV (Electric Vehicle) charging industry, you know that the Open Charge Point Protocol (OCPP) is the undisputed standard for communication between Charge Points and Central Systems (CSMS). But building a scalable, reliable, and secure OCPP-compliant system is notoriously difficult. Developers often struggle with guessing payload shapes, manually validating JSON schemas, implementing complex WebSocket framing, and handling connection drops. That’s why I built ocpp-ws-io —a type-safe, production-ready OCPP WebSocket RPC client and server ecosystem for Node.js, built from the ground up with TypeScript. 🚀 Why another OCPP library? Building a CSMS or a charge point simulator shouldn't require hand-writing validation logic or risking runtime errors from malformed payloads. ocpp-ws-io solves these problems by providing: 🎯 End-to-End Type Safety: Fully auto-generated TypeScript types covering all OCPP 1.6, 2.0.1, and 2.1 methods. No more guessing what a Boo

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