Option to disable spinner in watch mode

[mhanberg]

The watch mode is very nice, but the spinner disrupts the console during my development, so it would be nice to be able to turn it off.

Here is an example: Running a Phoenix server with the console enabled. (I have phoenix configured to run esbuild when the dev server boots up)

You can see that the esbuild spinner eats the characters as I try to type, not allowing me to easily use the REPL console.

Thanks!

[evanw]

The log level API option is documented here: https://esbuild.github.io/api/#log-level. Setting --log-level=warning only shows warnings and errors, setting --log-level=error only shows errors, and setting --log-level=silent shows nothing.

[mhanberg]

That works, thanks 👍.