1export const cleanSourceText = (text: string) => {2 return text3 .trim()4 .replace(/(\n){4,}/g, '\n\n\n')5 .replace(/\n\n/g, ' ')6 .replace(/ {3,}/g, ' ')7 .replace(/\t/g, '')8 .replace(/\n+(\s*\n)*/g, '\n');9};10