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33 lines
1.0 KiB
Markdown
33 lines
1.0 KiB
Markdown
# Testing Extensions
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## Console.log
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`console.log()` might be handy for extension developers to prints out info/errors from extensions. To use `console.log`, note that Lens is based on Electron. Electron has two types of processes: [Main and Renderer](https://www.electronjs.org/docs/tutorial/quick-start#main-and-renderer-processes).
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### Renderer Process Logs
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`console.log()` in Renderer process is printed in the Console in Developer Tools (View > Toggle Developer Tools).
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### Main Process Logs
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To view the logs from the main process is a bit trickier, since you cannot open developer tools for them. On MacOSX, one way is to run Lens from the terminal.
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```bash
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/Applications/Lens.app/Contents/MacOS/Lens
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```
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You can alos use [Console.app](https://support.apple.com/en-gb/guide/console/welcome/mac) to view logs from Lens.
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On linux, you can get PID of Lens first
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```bash
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ps aux | grep Lens | grep -v grep
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```
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And get logs by the PID
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```bash
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tail -f /proc/[pid]/fd/1 # stdout (console.log)
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tail -f /proc/[pid]/fd/2 # stdout (console.error)
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```
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