Function bindObjectProps

m3u8/vue.js:2751–2800

* Runtime helper for merging v-bind="object" into a VNode's data.

(
    data,
    tag,
    value,
    asProp,
    isSync
  )

   * Runtime helper for merging v-bind="object" into a VNode's data.
   */
  function bindObjectProps (
    data,
    tag,
    value,
    asProp,
    isSync
  ) {
    if (value) {
      if (!isObject(value)) {
        warn(
          'v-bind without argument expects an Object or Array value',
          this
        );
      } else {
        if (Array.isArray(value)) {
          value = toObject(value);
        }
        var hash;
        var loop = function ( key ) {
          if (
            key === 'class' ||
            key === 'style' ||
            isReservedAttribute(key)
          ) {
            hash = data;
          } else {
            var type = data.attrs && data.attrs.type;
            hash = asProp || config.mustUseProp(tag, type, key)
              ? data.domProps || (data.domProps = {})
              : data.attrs || (data.attrs = {});
          }
          var camelizedKey = camelize(key);
          var hyphenatedKey = hyphenate(key);
          if (!(camelizedKey in hash) && !(hyphenatedKey in hash)) {
            hash[key] = value[key];

            if (isSync) {
              var on = data.on || (data.on = {});
              on[("update:" + key)] = function ($event) {
                value[key] = $event;
              };
            }
          }
        };

        for (var key in value) loop( key );
      }
    }
    return data
  }

  /*  */