How do I configure dart2js options from Dart Editor?

dart dart-editor

Click the little drop-down arrow to the right of the green Run icon:

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Then select "Manage Launches".

Then, find your run config for your app.

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Add --minify to the "Compiler flags".

To find a list of available flags, run dart2js --help from the command line (assuming the Dart SDK is on your path).

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