
import type { LocateQueryValue } from 'vue-router';
type RouteValueType = LocateQueryValue | LocateQueryValue[] | string | string[] | number;
export const getRoutingInfo = <T extends RouteValueType>(
value: RouteValueType,
isTypeGuardValue: (value: RouteValueType) => value is T
): T | undefined => {
if (isTypeGuardValue(value)) return value;
return;
};
export function isStringType(value: RouteValueType): value is string {
return typeof value === 'string';
state.searchKey = getRoutingInfo(route.query.searchKey, isStringType);
Query의 TypeGuard를 사용하여 routing Info에 대해서 추론을 할 수 있다.
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