function useCounter()

in packages/hooks/src/useCounter/index.ts [31:76]

39 lines of code
2 McCabe index (conditional complexity)


function useCounter(initialValue: number = 0, options: Options = {}) {
  const { min, max } = options;

  const [current, setCurrent] = useState(() => {
    return getTargetValue(initialValue, {
      min,
      max,
    });
  });

  const setValue = (value: ValueParam) => {
    setCurrent((c) => {
      const target = isNumber(value) ? value : value(c);
      return getTargetValue(target, {
        max,
        min,
      });
    });
  };

  const inc = (delta: number = 1) => {
    setValue((c) => c + delta);
  };

  const dec = (delta: number = 1) => {
    setValue((c) => c - delta);
  };

  const set = (value: ValueParam) => {
    setValue(value);
  };

  const reset = () => {
    setValue(initialValue);
  };

  return [
    current,
    {
      inc: useMemoizedFn(inc),
      dec: useMemoizedFn(dec),
      set: useMemoizedFn(set),
      reset: useMemoizedFn(reset),
    },
  ] as const;
}