frontend: Migrate to Svelte 5

1 files changed, 0 insertions, 141 deletions

diff --git a/frontend/src/lib/Selection.ts b/frontend/src/lib/Selection.ts
deleted file mode 100644
index 0ea85cc..0000000
--- a/frontend/src/lib/Selection.ts
+++ /dev/null
@@ -1,141 +0,0 @@
-import { getContext, hasContext, setContext } from 'svelte';
-import { writable, type Writable } from 'svelte/store';
-import { range } from './Utils';
-
-interface Item {
-	id: number;
-}
-
-export const hasSelectionContext = () => hasContext('selection');
-
-export function getSelectionContext<T extends Item>() {
-	return getContext<Writable<ItemSelection<T>>>('selection');
-}
-
-export function initSelectionContext<T extends Item>(
-	typename?: string,
-	toName?: (item: T) => string
-) {
-	return setContext<Writable<ItemSelection<T>>>(
-		'selection',
-		writable(new ItemSelection(typename, toName))
-	);
-}
-
-export class ItemSelection<T extends Item> {
-	active = false;
-	typename: string;
-	#toName: (item: T) => string;
-
-	#view: T[] = [];
-	selectable: (item: T) => boolean = () => true;
-
-	#ids = new Set<number>();
-	#masked = new Set<number>();
-
-	constructor(typename?: string, toName?: (item: T) => string) {
-		this.typename = typename ?? 'unknown';
-		this.#toName = toName ?? (() => 'unknown');
-	}
-
-	set view(view: T[]) {
-		this.#view = view;
-		this.#updateMasked();
-	}
-
-	#indexOf = (id: number) => this.#view.findIndex((v) => v.id === id);
-
-	update(index: number, shift: boolean) {
-		const id = this.#view[index].id;
-
-		const selectableRange = (first: number, last: number) =>
-			range(first, last)
-				.filter((i) => this.selectable(this.#view[i]))
-				.map((i) => this.#view[i].id);
-
-		if (shift) {
-			const indices = this.indices;
-
-			const first = indices.at(0);
-			const last = indices.at(-1);
-
-			if (first === undefined || last === undefined) {
-				this.#ids.add(id);
-			} else if (index === first || index === last) {
-				this.#ids.clear();
-			} else if (index > last) {
-				this.#ids = new Set([...this.#ids, ...selectableRange(last, index)]);
-			} else if (index < last) {
-				this.#ids = new Set([...this.#ids, ...selectableRange(index, last)]);
-			}
-		} else {
-			if (this.#ids.has(id)) {
-				this.#ids.delete(id);
-			} else {
-				this.#ids.add(id);
-			}
-		}
-
-		this.#updateMasked();
-
-		return this;
-	}
-
-	toggle() {
-		this.active = !this.active;
-
-		if (!this.active) {
-			return this.none();
-		}
-
-		return this;
-	}
-
-	all() {
-		this.#ids = new Set(this.#view.filter(this.selectable).map((i) => i.id));
-		this.#updateMasked();
-
-		return this;
-	}
-
-	none() {
-		this.#ids.clear();
-		this.#masked.clear();
-
-		return this;
-	}
-
-	clear() {
-		this.active = false;
-
-		return this.none();
-	}
-
-	contains(id: number) {
-		return this.#masked.has(id);
-	}
-
-	#updateMasked() {
-		this.#masked = new Set([...this.#ids].filter((i) => this.#indexOf(i) >= 0));
-	}
-
-	get ids() {
-		return [...this.#masked];
-	}
-
-	get size() {
-		return this.#masked.size;
-	}
-
-	get indices() {
-		return [...this.#ids].map(this.#indexOf).filter((i) => i >= 0);
-	}
-
-	get items() {
-		return this.indices.map((i) => this.#view[i]);
-	}
-
-	get names() {
-		return this.items.map(this.#toName);
-	}
-}