illustration for Mocking WebSocket APIs with Mock Service Worker
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Mocking WebSocket APIs with Mock Service Worker

  5. 5
    Intercept WebSocket Client Events with Mock Service Worker
    2m 8s

Intercept WebSocket Client Events with Mock Service Worker

Artem Zakharchenko
InstructorArtem Zakharchenko
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Published 6 months ago
Updated 6 months ago

The connection event listener of your WebSocket link exposes a bunch of useful parameters to you. One of those parameters is the client object that represents the intercepted WebSocket client that establishes the connection.

Add a message event listener on that client to know when it sends any messages in your application. And yes, this is a regular event listener! This means you get a MessageEvent instance as a parameter, and can observe the data sent via WebSocket.

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