Docz: Build log is too long in CI

[kachkaev]

Hi @pedronauck 👋!

Bug Report

Describe the bug

Before upgrading from docz 0.11 to 0.13, stdout in build logs was pretty concise:

And now they are nearly endless, because a new line is appended to stdout every fraction of a second

To Reproduce

Build docz in a non-tty environment (e.g. in CI)

Expected behavior

I'd expect no animation when printing out ⠏ Creating production build, which only works in TTY

Environment

• OS: Linux VM in Azure Pipelines

Hint

if (process.stdout.isTTY) {
  // animated output (erasing and restoring the current line's output is supported)
} else {
  // plain console output (can't erase what's already been printed)
}

[kachkaev]

Looks like relying on process.stdout.isTTY is not enough – it's true in some CIs, which is misleading. There'll be a need for a custom isTTY() function similar to one here: https://github.com/prettier/prettier/pull/5804

[ondrejbartas]

Hi most CI has process.env.CI = true what about using this env variable for disabling progress print?

[kachkaev]

I'd recommend copy-pasting Prettier's isTTY() function. Neither process.env.CI nor process.stdout.isTTY provide a sufficient check for all real-life scenarios.