export function unescape(html) {
  return html
    .replace(html ? /&(?!#?\w+;)/g : /&/g, '')
    .replace(/&lt;/g, "<")
    .replace(/&gt;/g, ">")
    .replace(/&quot;/g, "\"")
    .replace(/&#39;/g, "\'")
    .replace(/nbsp;/g,"\u00a0")
    .replace(/&amp;/g,"")
}

/**
 * 反转义html
 * @param html
 * @returns {*}
 */
export function unescapeHtml(html) {
  if(!html) return html;
  return html
    .replace(html ? /&(?!#?\w+;)/g : /&/g, '')
    .replace(/&lt;/g, "<")
    .replace(/&gt;/g, ">")
    .replace(/&quot;/g, "\"")
    .replace(/&#39;/g, "\'")
    .replace(/nbsp;/g,"\u00a0")
    .replace(/&amp;/g,"")
}


/**
 * 转义html
 * @param html
 * @returns {*}
 */
export function escapeHtml(html) {
  if(!html) return html;
  return html
    .replace(/&/g, '&amp;')
    .replace(/</g, '&lt;')
    .replace(/"/g, '&quot;')
    .replace(/'/g, "&#39;")
    .replace(/>/g, '&gt;')
    .replace(/\u00a0/g,"nbsp;")
}