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a PR about issue #230 #234

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@zinsserzc zinsserzc commented Dec 26, 2024

I am using wechaty on my Mac Pc and I run into the error below.

16:52:32 ERR PuppetWeChatBridge start() exception: TimeoutError: Navigation timeout of 60000 ms exceeded
16:52:32 SILL StateSwitch <PuppetWeChatBridge> inactive() is false
16:52:32 VERB StateSwitch <PuppetWeChatBridge> inactive(true) <- (false)
16:52:32 ERR PuppetWeChat initBridge() exception: Navigation timeout of 60000 ms exceeded
16:52:32 VERB PuppetWeChatBridge stop()
16:52:32 SILL StateSwitch <PuppetWeChatBridge> inactive() is true
16:52:32 VERB StateSwitch <PuppetWeChatBridge> inactive(pending) <- (true)
16:52:32 WARN PuppetWeChatBridge stop() page.close() exception: Error: Protocol error: Connection closed. Most likely the page has been closed.
16:52:32 SILL PuppetWeChatBridge stop() browser.close()-ed
16:52:32 SILL StateSwitch <PuppetWeChatBridge> inactive() is pending
16:52:32 VERB StateSwitch <PuppetWeChatBridge> inactive(true) <- (pending)

I have checked the issues and find #230 has the same situation. So I analyzed the start process of this puppet, and I assume the polling request on wx.qq.com prevents the page.goto() from reaching the 'load' state. I tested myself by using puppeteer to open 'wx.qq.com' and the page cannot reach the state of 'load'.
As a result, I tried to modify two parts of the code Bridge.ts about the waiting state of the Puppeteer.Page of opening the url 'wx.qq.com'. And it works.


Important

Fix navigation timeout in PuppetWeChatBridge by using networkidle2 and changing load event listener to domcontentloaded in bridge.ts.

  • Behavior:
    • Fix navigation timeout in initPage() in bridge.ts by setting waitUntil: 'networkidle2' in page.goto().
    • Change page load event listener from load to domcontentloaded in initPage() to handle polling requests on wx.qq.com.

This description was created by Ellipsis for 9e4df4f. It will automatically update as commits are pushed.

Summary by CodeRabbit

  • New Features
    • Improved page loading behavior by ensuring navigation waits for the network to be idle.
    • Updated event listener to respond to the domcontentloaded event for better control during page initialization.

…) from reaching the load state, because there is a continuous polling request to the server. Therefore, we need to modify the wait state when navigating to the page.
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CLAassistant commented Dec 26, 2024

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coderabbitai bot commented Dec 26, 2024

Walkthrough

The pull request introduces modifications to the Bridge class in src/bridge.ts, focusing on improving page initialization and load handling. The changes address specific loading behaviors encountered on wx.qq.com by adjusting the page navigation method and event listener. The primary modifications include updating the page.goto() method to wait for network idle state and switching the event listener from 'load' to 'domcontentloaded' to better manage page loading dynamics.

Changes

File Change Summary
src/bridge.ts - Updated page.goto() to include { waitUntil: 'networkidle2' } option
- Replaced 'load' event listener with 'domcontentloaded' event listener

Sequence Diagram

Loading
sequenceDiagram
    participant Browser
    participant Bridge
    participant Page

    Browser->>Page: Navigate to URL
    Page-->>Browser: Network idle state
    Browser->>Bridge: Emit 'domcontentloaded' event
    Bridge->>Bridge: Process page load

Poem

🐰 A Rabbit's Ode to Page Loading Grace 🌐

Network idle, content loaded light,
No more waiting through the polling's might
Smooth navigation, events aligned
A bridge that knows just what to find
Wx.qq.com, we've solved your plight! 🚀

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Reviewing files that changed from the base of the PR and between 09fedb1 and 9e4df4f.

📒 Files selected for processing (1)
  • src/bridge.ts (2 hunks)
🔇 Additional comments (2)
src/bridge.ts (2)

255-258: Good use of 'networkidle2' mode for controlling page load completion.

This ensures the navigation call completes only after ongoing network requests have settled, which helps avoid timeouts caused by long-running polls on wx.qq.com. Just confirm that this works reliably across different network conditions.


269-271: Switching from 'load' event to 'domcontentloaded' is valid, but ensure downstream listeners are updated.

The 'domcontentloaded' event fires before all resources are loaded, so if any logic depends on fully loaded assets (e.g., images, scripts), verify no unexpected side effects occur. Otherwise, this approach can shorten loading times and resolve the previous hang.


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👍 Looks good to me! Reviewed everything up to 9e4df4f in 10 seconds

More details
  • Looked at 27 lines of code in 1 files
  • Skipped 0 files when reviewing.
  • Skipped posting 1 drafted comments based on config settings.
1. src/bridge.ts:269
  • Draft comment:
    Changing the event from 'load' to 'domcontentloaded' is a reasonable approach given the issue with polling requests preventing the 'load' event from firing. Ensure that all necessary scripts and elements are available at 'domcontentloaded' to avoid potential issues.
  • Reason this comment was not posted:
    Confidence changes required: 50%
    The PR changes the event from 'load' to 'domcontentloaded' due to polling requests preventing the 'load' event from firing. This change is logical given the context provided in the PR description.

Workflow ID: wflow_DDZAJ0UYhdMdqLKd


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