Function deselectCurrent

packages/editor/src/utils/clipboard.ts:5–50

()

import { isDOMHTMLElement } from '@editablejs/models'

const deselectCurrent = () => {
  const selection = document.getSelection()
  if (!selection?.rangeCount) {
    return function () {}
  }
  let active: HTMLElement | null = null
  let activeElement = document.activeElement
  if (activeElement && activeElement.shadowRoot) {
    activeElement = activeElement.shadowRoot.activeElement
  }
  if (isDOMHTMLElement(activeElement)) {
    active = activeElement
  }
  const ranges: Range[] = []
  for (var i = 0; i < selection.rangeCount; i++) {
    ranges.push(selection.getRangeAt(i))
  }
  switch (
    active?.tagName.toUpperCase() // .toUpperCase handles XHTML
  ) {
    case 'INPUT':
    case 'TEXTAREA':
      active.blur()
      break

    default:
      active = null
      break
  }

  selection.removeAllRanges()
  return () => {
    if (selection.type === 'Caret') {
      selection.removeAllRanges()
    }

    if (!selection.rangeCount) {
      ranges.forEach(range => {
        selection.addRange(range)
      })
    }
    if (active) {
      active.focus()
    }
  }
}

export const readClipboardDataByCommand = () => {
  return new Promise<DataTransfer | null>((resolve, reject) => {