I'm having the exact same problem. Have you found any solution?

This is my workaround right now:

I added "dist": "gulp clean --ship && gulp bundle --ship && gulp package-solution --ship" to the scripts in my package.json and use

npm run-script dist

to run the three commands sequent

I'm having the exact same problem. Have you found any solution?

This is my workaround right now:

I added "dist": "gulp clean --ship && gulp bundle --ship && gulp package-solution --ship" to the scripts in my package.json and use npm run-script dist to run the three commands sequent