When working with a component that opens a Websocket:
🕷 Starting crawling http://localhost:61974/
Error: Uncaught [ReferenceError: WebSocket is not defined]
at reportException (/Users/zwass/dev/try-osquery/node_modules/jsdom/lib/jsdom/living/helpers/runtime-script-errors.js:58:24)
at processJavaScript (/Users/zwass/dev/try-osquery/node_modules/jsdom/lib/jsdom/living/nodes/HTMLScriptElement-impl.js:130:7)
at HTMLScriptElementImpl._eval (/Users/zwass/dev/try-osquery/node_modules/jsdom/lib/jsdom/living/nodes/HTMLScriptElement-impl.js:65:7)
at /Users/zwass/dev/try-osquery/node_modules/jsdom/lib/jsdom/browser/resource-loader.js:31:22
at Object.check (/Users/zwass/dev/try-osquery/node_modules/jsdom/lib/jsdom/living/nodes/Document-impl.js:89:11)
at Object.check (/Users/zwass/dev/try-osquery/node_modules/jsdom/lib/jsdom/living/nodes/Document-impl.js:92:23)
at /Users/zwass/dev/try-osquery/node_modules/jsdom/lib/jsdom/living/nodes/Document-impl.js:108:12
at wrappedEnqueued (/Users/zwass/dev/try-osquery/node_modules/jsdom/lib/jsdom/browser/resource-loader.js:255:16)
at Request.request [as _callback] (/Users/zwass/dev/try-osquery/node_modules/jsdom/lib/jsdom/browser/resource-loader.js:203:9)
at Request.self.callback (/Users/zwass/dev/try-osquery/node_modules/request/request.js:185:22) ReferenceError: WebSocket is not defined
at new t (http://localhost:61974/static/js/main.c345f012.chunk.js:1:495)
at s (http://localhost:61974/static/js/1.bc8d6ca8.chunk.js:1:157233)
at re (http://localhost:61974/static/js/1.bc8d6ca8.chunk.js:1:158420)
at e.render (http://localhost:61974/static/js/1.bc8d6ca8.chunk.js:1:160797)
at e.read (http://localhost:61974/static/js/1.bc8d6ca8.chunk.js:1:160411)
at Object.renderToString (http://localhost:61974/static/js/1.bc8d6ca8.chunk.js:1:165177)
at t.render (http://localhost:61974/static/js/1.bc8d6ca8.chunk.js:1:35884)
at Module.76 (http://localhost:61974/static/js/main.c345f012.chunk.js:1:1492)
at f (http://localhost:61974/:1:518)
at Object.28 (http://localhost:61974/static/js/main.c345f012.chunk.js:1:87)
🔥 'render' from react-snapshot was never called. Did you replace the call to ReactDOM.render()?
🕸 Finished crawling.
As I said, I was facing the same issue. The solution was to replace the react-snapshot for react-snap. The react-snap works with applications that use WebSocket implementation.
When working with a component that opens a Websocket: