Function colour

python/pythonmonkey/builtin_modules/util.js:135–139

(colourCode, val)

/** Return String(val) surrounded by appropriate ANSI escape codes to change the console text colour. */
// eslint-disable-next-line no-unused-vars
function colour(colourCode, val)
{
  const esc=String.fromCharCode(27);
  return `${esc}[${colourCode}m${val}${esc}[0m`;
}

let CIRCULAR_ERROR_MESSAGE;