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import { defineNuxtPlugin } from '#app'
export default defineNuxtPlugin((nuxtApp) => {
nuxtApp.vueApp.directive('xc-ver-resize', {
created: (el: Element) => {
// create resizer element
const resizer = document.createElement('div')
resizer.className = 'resizer'
resizer.style.position = 'absolute'
resizer.style.height = '100%'
resizer.style.width = '3px'
resizer.style.top = '0'
resizer.style.right = '-1px'
resizer.style.zIndex = '999'
// add resizer to element
el.appendChild(resizer)
resizer.addEventListener('mousedown', initDrag, false)
const instance = getCurrentInstance()
const emit =
instance?.emit ??
((arg, data) => {
const event = new CustomEvent(arg, { detail: data })
;(<HTMLElement>el).dispatchEvent(event)
})
let startX: number
let startWidth: number
// bind event handlers
function initDrag(e: MouseEvent) {
document.body.style.cursor = 'col-resize'
startX = e.clientX
startWidth = parseInt(document.defaultView?.getComputedStyle(el)?.width || '0', 10)
document.documentElement.addEventListener('mousemove', doDrag, false)
document.documentElement.addEventListener('mouseup', stopDrag, false)
}
let width: number | string
// emit event on dragging
function doDrag(e: MouseEvent) {
width = `${startWidth + e.clientX - startX}px`
emit('xcresizing', width)
}
// remove handlers and emit events on drag end
function stopDrag() {
resizer.classList.remove('primary')
document.body.style.cursor = ''
document.documentElement.removeEventListener('mousemove', doDrag, false)
document.documentElement.removeEventListener('mouseup', stopDrag, false)
emit('xcresize', width)
emit('xcresized')
}
},
})
})