Function globToRegex

packages/service-worker/config/src/glob.ts:21–45

(glob: string, literalQuestionMark = false)

const TO_ESCAPE_LITERAL_QM = [...TO_ESCAPE_BASE, {replace: /\?/g, with: '\\?'}];

export function globToRegex(glob: string, literalQuestionMark = false): string {
  const toEscape = literalQuestionMark ? TO_ESCAPE_LITERAL_QM : TO_ESCAPE_WILDCARD_QM;
  const segments = glob.split('/').reverse();
  let regex: string = '';
  while (segments.length > 0) {
    const segment = segments.pop()!;
    if (segment === '**') {
      if (segments.length > 0) {
        regex += WILD_OPEN;
      } else {
        regex += '.*';
      }
    } else {
      const processed = toEscape.reduce(
        (segment, escape) => segment.replace(escape.replace, escape.with),
        segment,
      );
      regex += processed;
      if (segments.length > 0) {
        regex += '\\/';
      }
    }
  }
  return regex;
}