Function handleMouseDown

packages/hotkeys-devtools/src/components/Shell.tsx:55–63

(e: MouseEvent)

  let dragStartWidth = 0

  const handleMouseDown = (e: MouseEvent) => {
    e.preventDefault()
    e.stopPropagation()
    setIsDragging(true)
    document.body.style.cursor = 'col-resize'
    document.body.style.userSelect = 'none'
    dragStartX = e.clientX
    dragStartWidth = leftPanelWidth()
  }

  const handleMouseMove = (e: MouseEvent) => {
    if (!isDragging()) return