1export function stripAnsi(str?: string) { 2 if (!str) { 3 return str; 4 } 5 const pattern = [ 6 '[\\u001B\\u009B][[\\]()#;?]*(?:(?:(?:(?:;[-a-zA-Z\\d\\/#&.:=?%@~_]+)*|[a-zA-Z\\d]+(?:;[-a-zA-Z\\d\\/#&.:=?%@~_]*)*)?\\u0007)', 7 '(?:(?:\\d{1,4}(?:;\\d{0,4})*)?[\\dA-PR-TZcf-ntqry=><~]))', 8 ].join('|'); 9 10 return str.replace(new RegExp(pattern, 'g'), ''); 11} 12