isRuleGroup()
function isRuleGroup<T>(item): item is QueryBuilderRuleGroup<T>;
Defined in: packages/rxdb-model/dist/query-builder/models/query-builder-state.d.ts:176
类型守卫：判断是否为规则组
Type Parameters
| Type Parameter |
|---|
T |
Parameters
| Parameter | Type | Description |
|---|---|---|
item | | QueryBuilderRule<T> | QueryBuilderRuleGroup<T> | 待判断的规则或规则组 |
Returns
item is QueryBuilderRuleGroup<T>
若为规则组则返回 true，否则返回 false