import { basic } from '../mixins/basic';
  import { observe } from '../mixins/observer/index';
  function mapKeys(source, target, map) {
      Object.keys(map).forEach(key => {
          if (source[key]) {
              target[map[key]] = source[key];
          }
      });
  }
  function VantComponent(vantOptions = {}) {
      const options = {};
      mapKeys(vantOptions, options, {
          data: 'data',
          props: 'properties',
          mixins: 'behaviors',
          methods: 'methods',
          beforeCreate: 'created',
          created: 'attached',
          mounted: 'ready',
          relations: 'relations',
          destroyed: 'detached',
          classes: 'externalClasses'
      });
      const { relation } = vantOptions;
      if (relation) {
          options.relations = Object.assign(options.relations || {}, {
              [`../${relation.name}/index`]: relation
          });
      }
      // add default externalClasses
      options.externalClasses = options.externalClasses || [];
      options.externalClasses.push('custom-class');
      // add default behaviors
      options.behaviors = options.behaviors || [];
      options.behaviors.push(basic);
      // map field to form-field behavior
      if (vantOptions.field) {
          options.behaviors.push('wx://form-field');
      }
      // add default options
      options.options = {
          multipleSlots: true,
          addGlobalClass: true
      };
      observe(vantOptions, options);
      Component(options);
  }
  export { VantComponent };