export function autoTextarea(elem, extra, maxHeight){

  /**textarea文本域随内容的多少而调整高度 */

  extra = extra || 0;

  var isFirefox = !!document.getBoxObjectFor || 'mozInnerScreenX' in window,

    isOpera = !!window.opera && !!window.opera.toString().indexOf('Opera'),

    addEvent = function (type, callback) {

      elem.addEventListener ?

        elem.addEventListener(type, callback, false) :

        elem.attachEvent('on' + type, callback);

    },

    getStyle = elem.currentStyle ? function (name) {

      var val = elem.currentStyle[name];

      if (name === 'height' && val.search(/px/i) !== 1) {

        var rect = elem.getBoundingClientRect();

        return rect.bottom - rect.top -

          parseFloat(getStyle('paddingTop')) -

          parseFloat(getStyle('paddingBottom')) + 'px';

      };

      return val;

    } : function (name) {

      return getComputedStyle(elem, null)[name];

    },

    minHeight = parseFloat(getStyle('height'));

  elem.style.resize = 'none';

  var change = function () {

    var scrollTop, height,

      padding = 0,

      style = elem.style;

    if (elem._length === elem.value.length) return;

    elem._length = elem.value.length;

    if (!isFirefox && !isOpera) {

      padding = parseInt(getStyle('paddingTop')) + parseInt(getStyle('paddingBottom'));

    };

    scrollTop = document.body.scrollTop || document.documentElement.scrollTop;

    elem.style.height = minHeight+10 + 'px';

    if (elem.scrollHeight > minHeight) {

      if (maxHeight && elem.scrollHeight > maxHeight) {

        height = maxHeight - padding;

        style.overflowY = 'auto';

      } else {

        height = elem.scrollHeight - padding;

        style.overflowY = 'hidden';

      };

      style.height = height + extra+10 + 'px';

      scrollTop += parseInt(style.height) - elem.currHeight;

      document.body.scrollTop = scrollTop;

      document.documentElement.scrollTop = scrollTop;

      elem.currHeight = parseInt(style.height);

    };

  };

  addEvent('propertychange', change);

  addEvent('input', change);

  addEvent('focus', change);

  change();

}

  import { autoTextarea } from 'base/js/report'

      queryTextArea(){

        var textAll = document.querySelectorAll("textarea");

        textAll.forEach(el=>{

          $(el).css('width','100%').css('font-size','12px').css('height','inherit');

          autoTextarea(el);

          // var val = $(el).val();

          // val = val.replace(/\n/g,"<br/>");

          // $(el).parent().append('<div style="padding:4px;font-size:12px">' + val + '<div>');

          // $(el).remove();

        })

      },