lvhuaisheng / leafer-x-ruler Goto Github PK

useResizeObserver(divRef, (entries) => {
        const [entry] = entries
        const { width, height } = entry.contentRect
        // 这步是为了触发leafer-ui的resize事件，标尺在监听到resize事件后会重新渲染
        leafer.app.resize({ width, height })
      })