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isRule()

function isRule<T>(item): item is QueryBuilderRule<T>;

Defined in: packages/rxdb-model/src/query-builder/models/query-builder-state.ts:215

类型守卫:判断是否为规则

Type Parameters​

Type Parameter
T

Parameters​

ParameterTypeDescription
item| QueryBuilderRule<T> | QueryBuilderRuleGroup<T>待判断的规则或规则组

Returns​

item is QueryBuilderRule<T>

若为规则则返回 true,否则返回 false