react-zoom-children/lib/utils.js

react-zoom-children for react

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.listen = listen;
exports.setStyle = setStyle;
exports.getType = getType;
exports.cursor = void 0;
var cursor = {
  default: 'auto',
  zoomIn: 'zoom-in',
  zoomOut: 'zoom-out',
  grab: 'grab',
  move: 'move'
};
exports.cursor = cursor;

function listen(el, event, handler) {
  var add = arguments.length > 3 && arguments[3] !== undefined ? arguments[3] : true;
  var options = {
    passive: false
  };

  if (add) {
    el.addEventListener(event, handler, options);
  } else {
    el.removeEventListener(event, handler, options);
  }
}

function setStyle(el, styles, remember) {
  if (styles.transition) {
    var value = styles.transition;
    delete styles.transition;
    styles.transition = value;
  }

  if (styles.transform) {
    var _value = styles.transform;
    delete styles.transform;
    styles.transform = _value;
  }

  var s = el.style;
  var original = {};
  Object.keys(styles).forEach(function (key) {
    if (remember) {
      original[key] = s[key] || '';
    }

    s[key] = styles[key];
  });
  return original;
}
/** 获取变量类型
 * @param  {*} obj
 */


function getType(obj) {
  var toString = Object.prototype.toString;
  var map = {
    '[object Boolean]': 'boolean',
    '[object Number]': 'number',
    '[object String]': 'string',
    '[object Function]': 'function',
    '[object Array]': 'array',
    '[object Date]': 'date',
    '[object RegExp]': 'regExp',
    '[object Undefined]': 'undefined',
    '[object Null]': 'null',
    '[object Object]': 'object'
  };

  if (obj instanceof Element) {
    return 'element';
  }

  return map[toString.call(obj)];
}