Function decrementX

packages/react-stately/src/color/useColorAreaState.ts:222–224

(stepSize = 1)

      );
    },
    decrementX(stepSize = 1) {
      setXValue(snapValueToStep(xValue - stepSize, minValueX, maxValueX, stepX));
    },
    decrementY(stepSize = 1) {
      setYValue(snapValueToStep(yValue - stepSize, minValueY, maxValueY, stepY));
    },