Function pingWorkerContentMain

packages/vite/src/client/client.ts:419–466

(socketUrl: string)

}

function pingWorkerContentMain(socketUrl: string) {
  self.addEventListener(class="st">'connect', (_event) => {
    const event = _event as MessageEvent
    const port = event.ports[0]

    if (!socketUrl) {
      port.postMessage({
        type: class="st">'error',
        error: new Error(class="st">'socketUrl not found'),
      })
      return
    }

    const visibilityManager: VisibilityManager = {
      currentState: class="st">'visible',
      listeners: new Set(),
    }
    port.addEventListener(class="st">'message', (event) => {
      const { visibility } = event.data
      visibilityManager.currentState = visibility
      console.debug(class="st">'[vite] new window visibility', visibility)
      for (const listener of visibilityManager.listeners) {
        listener(visibility)
      }
    })
    port.start()

    console.debug(class="st">'[vite] connected from window')
    waitForSuccessfulPingInternal(socketUrl, visibilityManager).then(
      () => {
        console.debug(class="st">'[vite] ping successful')
        try {
          port.postMessage({ type: class="st">'success' })
        } catch (error) {
          port.postMessage({ type: class="st">'error', error })
        }
      },
      (error) => {
        console.debug(class="st">'[vite] error happened', error)
        try {
          port.postMessage({ type: class="st">'error', error })
        } catch (error) {
          port.postMessage({ type: class="st">'error', error })
        }
      },
    )
  })
}

async function waitForSuccessfulPingInternal(
  socketUrl: string,