Function saveRef

src/createBaseForm.js:383–413

(name, _, component)

      },

      saveRef(name, _, component) {
        if (!component) {
          const fieldMeta = this.fieldsStore.getFieldMeta(name);
          if (!fieldMeta.preserve) {
            // after destroy, delete data
            this.clearedFieldMetaCache[name] = {
              field: this.fieldsStore.getField(name),
              meta: fieldMeta,
            };
            this.clearField(name);
          }
          delete this.domFields[name];
          return;
        }
        this.domFields[name] = true;
        this.recoverClearedField(name);
        const fieldMeta = this.fieldsStore.getFieldMeta(name);
        if (fieldMeta) {
          const ref = fieldMeta.ref;
          if (ref) {
            if (typeof ref === 'string') {
              throw new Error(`can not set ref string for ${name}`);
            } else if (typeof ref === 'function') {
              ref(component);
            } else if (Object.prototype.hasOwnProperty.call(ref, 'current')) {
              ref.current = component;
            }
          }
        }
        this.instances[name] = component;
      },

      cleanUpUselessFields() {
        const fieldList = this.fieldsStore.getAllFieldsName();