@cobuildlab/8base-chat/src/shared/utils/string/index.ts

Chat component that uses 8base

/**
 * Trims empty lines.
 * @param text
 * @param moreThan - specifies when to trim empty lines.
 *                   For example, if there are more empty lines in a row than [moreThan]
 *                   then it trims
 */
export function trimEmptyLines(text: string, moreThan: number) {
  const replacement = new Array(moreThan - 1).fill('\n').join('');

  return text.replace(/\n{3,}/g, replacement);
}

/**
 * Converts first letter to upper case, e.g. hello -> Hello
 * @param str
 */
export function capitalize(str: string) {
  return str.charAt(0).toUpperCase() + str.slice(1);
}

/**
 * Returns all results matching a string against regular expression
 * @param str
 * @param regex
 */
export function matchAll(str: string, regex: RegExp) {
  const matches: RegExpExecArray[] = [];
  let match;

  // tslint:disable-next-line: no-conditional-assignment
  while ((match = regex.exec(str)) !== null) {
    matches.push(match);
  }

  return matches;
}

export function hasHttpProtocol(url: string) {
  return /^https?:\/\//.test(url);
}