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34 lines
1.5 KiB
Markdown
Executable File
34 lines
1.5 KiB
Markdown
Executable File
# Debugging
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## Use Visual Studio Code
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The most simplest way is to debug using the `Debug MarkText` configuration. You can set breakpoints and use the `debugger` statement.
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**Prerequisites:**
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- [Debugger for Chrome](https://marketplace.visualstudio.com/itemdetails?itemName=msjsdiag.debugger-for-chrome)
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## Use Chrome Developer Tools
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You can use the built-in developer tools via `View -> Toggle Developer Tools` in debug mode or connect via `chrome://inspect` using port `5858` for the main process and `8315` for the renderer process when launched via `yarn run dev`.
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### Debug built application
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You can use the default Electron command-line parameters to enable debug mode as described above.
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```shell
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$ marktext --inspect=5858 --remote-debugging-port=8315
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```
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## Debug slow startup performance
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Regardless of whether you are using the built or development version, you can use the [node-profiler](https://github.com/fxha/node-profiler) to analysis startup issues. Please follow the tool description for setup. Afterwards, launch the following commands in parallel (e.g. use three terminal windows and launch MarkText last).
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```shell
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$ node-profiler main
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$ node-profiler renderer
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$ marktext --inspect=5858 --remote-debugging-port=8315
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```
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After the successful launch of MarkText, press `Ctrl+C` on both `node-profiler` instances. The tools created two files named `main.cpuprofile` and `renderer.cpuprofile`. You can now analyse these files via *Chrome Developer Tools* or *Visual Studio Code*.
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