Function supportColor

packages/angular/cli/src/utilities/color.ts:13–24

(stream: NodeJS.WritableStream = process.stdout)

export { color as colors, figures } from 'listr2';

export function supportColor(stream: NodeJS.WritableStream = process.stdout): boolean {
  if (stream instanceof WriteStream) {
    return stream.hasColors();
  }

  try {
    // The hasColors function does not rely on any instance state and should ideally be static
    return WriteStream.prototype.hasColors();
  } catch {
    return process.env['FORCE_COLOR'] !== undefined && process.env['FORCE_COLOR'] !== '0';
  }
}