@echelon-framework/mock-server

Standalone Node.js mock backend for Echelon — HTTP REST + WebSocket streams. Zero config, fixture-based.

Part of the Echelon Framework — Angular-based, config-driven dashboard & low-code platform.

Installation

npm install -D @echelon-framework/mock-server

Usage

npx echelon-mock-server --config mock-server.json
# → HTTP: http://127.0.0.1:3001/api/:resource
# → WS:   ws://127.0.0.1:3001/ws

Configuration (mock-server.json)

{
  "port": 3001,
  "host": "127.0.0.1",
  "responses": {
    "health": { "status": "ok" },
    "clients": "@file:src/assets/fixtures/clients.json",
    "positions": [{ "id": "POS-001", "pair": "USDPLN", "amount": 100000 }]
  },
  "streams": {
    "rates.usdpln": {
      "simulate": {
        "kind": "fx-random-walk",
        "mid": 4.05,
        "vol": 0.0003,
        "intervalMs": 600
      }
    }
  }
}

Features

• GET /api/:resource — returns fixture from responses[resource]
• @file: prefix — loads JSON from file (@file:path/to/data.json)
• WebSocket streams — simulators (fx-random-walk, sine, random-int)
• CORS enabled — works with ng serve proxy or direct
• Hot reload — watches config file for changes

License

BUSL-1.1