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websocket does not establish under 'server' mode. #312

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gaokun opened this issue Sep 20, 2019 · 2 comments · Fixed by #313
Closed

websocket does not establish under 'server' mode. #312

gaokun opened this issue Sep 20, 2019 · 2 comments · Fixed by #313
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severity: 2 (regression) type: Bug

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@gaokun
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gaokun commented Sep 20, 2019

Issue description

websocket does not establish under 'server' mode.

// yes, 'server' is default value of 'analyzerMode'
new BundleAnalyzerPlugin({analyzerMode: 'server'})

I am using webpack-bundle-analyzer as webpack plugin.

I have researched. This issue is related PR #215.

Testing

In below code, you can find that reporter.html uses enableWebSocket before setting.

viewer.jsx

console.log('use enableWebSocket', window.enableWebSocket);
// Initializing WebSocket for live treemap updates
let ws;
try {
  if (window.enableWebSocket) {
    ws = new WebSocket(`ws://${location.host}`);
  }
} catch (err) {
  console.warn(
    "Couldn't connect to analyzer websocket server so you'll have to reload page manually to see updates in the treemap"
  );
}

viewer.ejs

  <%- include('script', { filename: 'viewer.js' }) %>
  </head>
  <body>
    <div id="app"></div>
    <script>
      window.chartData = <%- escapeJson(chartData) %>;
      window.defaultSizes = <%- escapeJson(defaultSizes) %>;
      window.enableWebSocket = <%- escapeJson(enableWebSocket) %>;
      console.log('set Websocket', window.enableWebSocket);
    </script>

Test result in browser.

image

I am making a PR to fix it.

Technical info

  • Webpack Bundle Analyzer version: 3.5.0
  • Webpack version: 4.39.3
  • Node.js version: 10.15.3
  • npm/yarn version: 6.11.3
  • OS: MacOS
gaokun added a commit to gaokun/webpack-bundle-analyzer that referenced this issue Sep 20, 2019
@gaokun
fix webpack-contrib#312
dec8eb7
@gaokun gaokun mentioned this issue Sep 20, 2019
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@valscion
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Thanks for the detailed issue report. Left a review to the attached PR ☺️

@valscion
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Thanks for the contributions ☺️ The fix has been released in v3.5.1

This was referenced Mar 14, 2021
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websocket does not establish under 'server' mode gaokun/webpack-bundle-analyzer
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@valscion @gaokun