INNER CODE UNIT · TypeScript

prefixRepeat

scribbletune/scribbletune · src/cli.ts:147

  const prefixRepeat = pattern.match(/^(\d+)\((.+)\)$/);
  if (prefixRepeat) {
    return prefixRepeat[2].repeat(Number(prefixRepeat[1]));
  }

  const suffixRepeat = pattern.match(/^\((.+)\)(\d+)$/);
  if (suffixRepeat) {
    return suffixRepeat[1].repeat(Number(suffixRepeat[2]));
  }

  return pattern;
};

const countPatternSteps = (pattern: string): number =>
  (pattern.match(/[xR]/g) || []).length;

const fitPatternToNoteCount = (pattern: string, noteCount: number): string => {
  const stepCount = countPatternSteps(pattern);

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