framework7/cjs/modules/component/snabbdom/modules/props.js

Full featured mobile HTML framework for building iOS & Android apps

"use strict";

exports.__esModule = true;
exports.default = exports.propsModule = void 0;

function updateProps(oldVnode, vnode) {
  var key,
      cur,
      old,
      elm = vnode.elm,
      oldProps = oldVnode.data.props,
      props = vnode.data.props;
  if (!oldProps && !props) return;
  if (oldProps === props) return;
  oldProps = oldProps || {};
  props = props || {};

  for (key in oldProps) {
    if (!props[key]) {
      delete elm[key];
    }
  }

  for (key in props) {
    cur = props[key];
    old = oldProps[key];

    if (old !== cur && (key !== 'value' || elm[key] !== cur)) {
      elm[key] = cur;
    }
  }
}

var propsModule = {
  create: updateProps,
  update: updateProps
};
exports.propsModule = propsModule;
var _default = propsModule;
exports.default = _default;