FM / app

/opt/canhelp/node_modules/next/dist/esm/client/dev/hot-reloader/app/

/opt/canhelp/node_modules/next/dist/esm/client/dev/hot-reloader/app

Name	Size	Mode	Actions
hot-reloader-app.js	19038	0644	edit dl rm
hot-reloader-app.js.map	29044	0644	edit dl rm
use-websocket.js	3346	0644	edit dl rm
use-websocket.js.map	5894	0644	edit dl rm

Edit: /opt/canhelp/node_modules/next/dist/esm/client/dev/hot-reloader/app/use-websocket.js.map (5894B)

{"version":3,"sources":["../../../../../src/client/dev/hot-reloader/app/use-websocket.ts"],"sourcesContent":["import { useCallback, useContext, useEffect, useRef } from 'react'\nimport { GlobalLayoutRouterContext } from '../../../../shared/lib/app-router-context.shared-runtime'\nimport { getSocketUrl } from '../get-socket-url'\nimport type { TurbopackMsgToBrowser } from '../../../../server/dev/hot-reloader-types'\n\nexport function useWebsocket(assetPrefix: string) {\n  const webSocketRef = useRef<WebSocket>(undefined)\n\n  useEffect(() => {\n    if (webSocketRef.current) {\n      return\n    }\n\n    const url = getSocketUrl(assetPrefix)\n\n    webSocketRef.current = new window.WebSocket(`${url}/_next/webpack-hmr`)\n  }, [assetPrefix])\n\n  return webSocketRef\n}\n\nexport function useSendMessage(webSocketRef: ReturnType<typeof useWebsocket>) {\n  const sendMessage = useCallback(\n    (data: string) => {\n      const socket = webSocketRef.current\n      if (!socket || socket.readyState !== socket.OPEN) {\n        return\n      }\n      return socket.send(data)\n    },\n    [webSocketRef]\n  )\n  return sendMessage\n}\n\nexport function useTurbopack(\n  sendMessage: ReturnType<typeof useSendMessage>,\n  onUpdateError: (err: unknown) => void\n) {\n  const turbopackState = useRef<{\n    init: boolean\n    queue: Array<TurbopackMsgToBrowser> | undefined\n    callback: ((msg: TurbopackMsgToBrowser) => void) | undefined\n  }>({\n    init: false,\n    // Until the dynamic import resolves, queue any turbopack messages which will be replayed.\n    queue: [],\n    callback: undefined,\n  })\n\n  const processTurbopackMessage = useCallback((msg: TurbopackMsgToBrowser) => {\n    const { callback, queue } = turbopackState.current\n    if (callback) {\n      callback(msg)\n    } else {\n      queue!.push(msg)\n    }\n  }, [])\n\n  useEffect(() => {\n    const { current: initCurrent } = turbopackState\n    // TODO(WEB-1589): only install if `process.turbopack` set.\n    if (initCurrent.init) {\n      return\n    }\n    initCurrent.init = true\n\n    import(\n      // @ts-expect-error requires \"moduleResolution\": \"node16\" in tsconfig.json and not .ts extension\n      '@vercel/turbopack-ecmascript-runtime/browser/dev/hmr-client/hmr-client.ts'\n    ).then(({ connect }) => {\n      const { current } = turbopackState\n      connect({\n        addMessageListener(cb: (msg: TurbopackMsgToBrowser) => void) {\n          current.callback = cb\n\n          // Replay all Turbopack messages before we were able to establish the HMR client.\n          for (const msg of current.queue!) {\n            cb(msg)\n          }\n          current.queue = undefined\n        },\n        sendMessage,\n        onUpdateError,\n      })\n    })\n  }, [sendMessage, onUpdateError])\n\n  return processTurbopackMessage\n}\n\nexport function useWebsocketPing(\n  websocketRef: ReturnType<typeof useWebsocket>\n) {\n  const sendMessage = useSendMessage(websocketRef)\n  const { tree } = useContext(GlobalLayoutRouterContext)\n\n  useEffect(() => {\n    // Never send pings when using Turbopack as it's not used.\n    // Pings were originally used to keep track of active routes in on-demand-entries with webpack.\n    if (process.env.TURBOPACK) {\n      return\n    }\n\n    // Taken from on-demand-entries-client.js\n    const interval = setInterval(() => {\n      sendMessage(\n        JSON.stringify({\n          event: 'ping',\n          tree,\n          appDirRoute: true,\n        })\n      )\n    }, 2500)\n    return () => clearInterval(interval)\n  }, [tree, 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