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/*
This file is part of GNU Taler
(C) 2022-2024 Taler Systems S.A.
GNU Taler is free software; you can redistribute it and/or modify it under the
terms of the GNU General Public License as published by the Free Software
Foundation; either version 3, or (at your option) any later version.
GNU Taler is distributed in the hope that it will be useful, but WITHOUT ANY
WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
A PARTICULAR PURPOSE. See the GNU General Public License for more details.
You should have received a copy of the GNU General Public License along with
GNU Taler; see the file COPYING. If not, see <http://www.gnu.org/licenses/>
*/
import { useNavigationContext } from "./context/navigation.js";
export function urlPattern<
T extends Record<string, string> = Record<string, never>,
>(pattern: RegExp, reverse: (p: T) => string): RouteDefinition<T> {
return {
pattern: new RegExp(pattern),
url: reverse,
};
}
export type RouteDefinition<T> = {
pattern: RegExp;
url: (p: T) => string;
};
const nullRountDef = {
pattern: new RegExp(/.*/),
url: () => "",
};
export function buildNullRoutDefinition<T>(): RouteDefinition<T> {
return nullRountDef;
}
export type RouteMap<T> = {
[n in keyof T]: RouteDefinition<T[n]>;
};
export type RouteParamsType<
P,
T extends keyof P,
> = P[T] extends RouteDefinition<infer ASD> ? ASD : never;
type Location<E, T extends RouteMap<E>, NAME extends keyof T> = {
parent: T;
name: NAME;
values: RouteParamsType<T, NAME>;
};
/**
* Search path in the pageList
* get the values from the path found
* add params from searchParams
*
* @param path
* @param params
*/
function findMatch<DEF, RM extends RouteMap<DEF>, ROUTES extends keyof RM>(
pagesMap: RM,
pageList: Array<ROUTES>,
path: string,
params: Record<string, string>,
): Location<DEF, RM, ROUTES> | undefined {
for (let idx = 0; idx < pageList.length; idx++) {
const name = pageList[idx];
const found = pagesMap[name].pattern.exec(path);
if (found !== null) {
const values =
found.groups === undefined ? {} : structuredClone(found.groups);
Object.entries(params).forEach(([key, value]) => {
values[key] = value;
});
// @ts-expect-error values is a map string which is equivalent to the RouteParamsType
return { name, parent: pagesMap, values };
}
}
return undefined;
}
export function useCurrentLocation<
DEF,
RM extends RouteMap<DEF>,
ROUTES extends keyof RM,
>(pagesMap: RM) {
const pageList = Object.keys(pagesMap) as Array<ROUTES>;
const { path, params } = useNavigationContext();
return findMatch(pagesMap, pageList, path, params);
}
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