in src/Terminal.hack [28:68]
public function supportsColors(): bool {
$colors = \getenv('CLICOLORS');
if (
$colors === '1' ||
$colors === 'yes' ||
$colors === 'true' ||
$colors === 'on'
) {
return true;
}
if (
$colors === '0' ||
$colors === 'no' ||
$colors === 'false' ||
$colors === 'off'
) {
return false;
}
if (\getenv('TRAVIS') === 'true') {
return true;
}
if (\getenv('CIRCLECI') === 'true') {
return true;
}
if (\getenv('TERM') === 'xterm') {
return true;
}
if (\getenv('TERM_PROGRAM') === 'Hyper') {
return true;
}
if ($this->isInteractive()) {
return Str\contains((string)\getenv('TERM'), 'color');
}
return false;
}