From dc4db405d2991d3ec6a114f3b08d3fccd057d3ee Mon Sep 17 00:00:00 2001
From: Wolfgang Müller
Date: Thu, 13 Feb 2025 17:52:16 +0100
Subject: frontend: Migrate to Svelte 5

---
 frontend/src/lib/Navigation.ts | 44 +++++++++++++++++++++++++-----------------
 1 file changed, 26 insertions(+), 18 deletions(-)

(limited to 'frontend/src/lib/Navigation.ts')

diff --git a/frontend/src/lib/Navigation.ts b/frontend/src/lib/Navigation.ts
index 5ed3ec5..f3bc413 100644
--- a/frontend/src/lib/Navigation.ts
+++ b/frontend/src/lib/Navigation.ts
@@ -1,36 +1,44 @@
 import { goto as svelteGoto } from '$app/navigation';
 import { SortDirection } from '$gql/graphql';
 import JsonURL from '@jsonurl/jsonurl';
-import { type PaginationData } from './Pagination';
-import { type SortData } from './Sort';
 import { toastError } from './Toasts';
+import type { Key } from './Utils';
 
-function paramToNum<T>(value: string | null, fallback: T) {
-	if (value) {
-		const number = +value;
+export interface PaginationData {
+	page: number;
+	items: number;
+}
 
-		if (Number.isNaN(number) || number < 0) {
-			return fallback;
-		}
+export interface SortData<T extends Key> {
+	on: T;
+	direction: SortDirection;
+	seed: number | undefined;
+}
+
+function number<T>(value: string | null, fallback: T) {
+	if (!value) return fallback;
+
+	const number = +value;
 
-		return number;
+	if (Number.isNaN(number) || number < 0) {
+		return fallback;
 	}
 
-	return fallback;
+	return number;
 }
 
-export function parseSortData<T>(params: URLSearchParams, fallback: T): SortData<T> {
+export function parseSortData<T extends Key>(params: URLSearchParams, fallback: T): SortData<T> {
 	return {
 		on: (params.get('s') as T) || fallback,
 		direction: (params.get('d') as SortDirection) || SortDirection.Ascending,
-		seed: paramToNum(params.get('r'), undefined)
+		seed: number(params.get('r'), undefined)
 	};
 }
 
 export function parsePaginationData(params: URLSearchParams, defaultItems = 120): PaginationData {
 	return {
-		page: paramToNum(params.get('p'), 1),
-		items: paramToNum(params.get('i'), defaultItems)
+		page: number(params.get('p'), 1),
+		items: number(params.get('i'), defaultItems)
 	};
 }
 
@@ -62,7 +70,7 @@ interface NavigationParameters<T> {
 	pagination?: Partial<PaginationData>;
 }
 
-function paramsFrom<T>(
+function parametersFrom<T>(
 	{ pagination, filter, sort }: NavigationParameters<T>,
 	current?: URLSearchParams
 ) {
@@ -102,13 +110,13 @@ function paramsFrom<T>(
 	return params;
 }
 
-export function navigate(parameters: NavigationParameters<object>, current?: URLSearchParams) {
+export function navigate(params: NavigationParameters<object>, current?: URLSearchParams) {
 	goto({
-		params: paramsFrom(parameters, current),
+		params: parametersFrom(params, current),
 		options: { noScroll: false, keepFocus: true, replaceState: true }
 	});
 }
 
 export function href<T>(base: string, params: NavigationParameters<T>) {
-	return `/${base}/?${paramsFrom(params).toString()}`;
+	return `/${base}/?${parametersFrom(params).toString()}`;
 }
-- 
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