Method get

packages/virtual-core/src/index.ts:377–396

()

    let _ro: ResizeObserver | null = null

    const get = () => {
      if (_ro) {
        return _ro
      }

      if (!this.targetWindow || !this.targetWindow.ResizeObserver) {
        return null
      }

      return (_ro = new this.targetWindow.ResizeObserver((entries) => {
        entries.forEach((entry) => {
          const run = () => {
            this._measureElement(entry.target as TItemElement, entry)
          }
          this.options.useAnimationFrameWithResizeObserver
            ? requestAnimationFrame(run)
            : run()
        })
      }))
    }

    return {
      disconnect: () => {