Compile issue about fspy HOT 3 OPEN

If I compile with the command yarn dev-server I get this error:
ERROR in ./src/gui/solver/solver.ts
[608, 56]: trailing whitespace
[609, 5]: misplaced opening brace
[609, 5]: Opening curly brace does not appear on the same line as controlling statement.

 @ ./src/cli/cli.ts 16:14-45
 @ ./src/main/index.ts
 @ multi (webpack)-dev-server/client?http://localhost:8080 ./src/main/index.ts

but I haven't change anything in the file solver.ts

Any idea?

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Which branch are you on? Are you sure you don't have any local changes? I get the exact same compile error if move the curly brace at the end of line 608 in solver.ts to a new line.

Also, I've been using the command line to build and run the app as described in steps 1-3 in the "Building and running" section of the readme. I've never tried doing it from within Visual Studio Code.

from fspy.

I'm on the developer branch and I haven't made any changes to code.
Now I have compiled the project following the step 1-3, but when I start the browser and point to http://localhost:8081/ like yarn says

$ webpack-dev-server --config webpack.config.js --content-base build/ --mode development
i ｢wds｣: Project is running at http://localhost:8081/
i ｢wds｣: webpack output is served from /
i ｢wds｣: Content not from webpack is served from C:\Users************\Documents\Visual Studio Code\fSpy\build

I receive a blank page, but in the folder I have three files: main.js, gui.js and index.html.

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