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CLAUDE.md

Project Overview

Eclipse GLSP Server Node monorepo. Provides the TypeScript-based server framework for the Graphical Language Server Platform (GLSP). Contains core server packages, graph model, ELK layout integration, and example workflow server. Uses pnpm workspaces.

Build & Development

  • Package manager: pnpm — do not use yarn or npm
  • Build: pnpm install from root installs and compiles everything
  • Compile: pnpm compile (runs tsc -b with project references)
  • Clean: pnpm clean
  • Bundle: pnpm bundle (esbuild bundles the workflow example, node + webworker targets)
  • Start example server: pnpm start (TCP on 5007) or pnpm start:websocket (WebSocket on 8081) — runs the pre-built bundle
  • Dev server (hot reload): pnpm dev (TCP on 5007) or pnpm dev:ws (WebSocket on 8081) — esbuild watches src and restarts the server on change

Validation

  • Tests: pnpm test (Mocha), runs across all packages
  • After completing any code changes, always run the /fix skill before reporting completion. It auto-fixes lint/format/header issues and runs the tests; manually resolve anything it could not auto-fix (remaining lint errors, test failures) and re-run it.

Import Rules

These are enforced by ESLint and are easy to get wrong:

  • Never import from sprotty-protocol directly — use @eclipse-glsp/protocol instead