init commit

resources/js/components/ui/data-table/data-table.svelte.ts

@@ -0,0 +1,141 @@
+import {
+	type RowData,
+	type TableOptions,
+	type TableOptionsResolved,
+	type TableState,
+	createTable,
+} from "@tanstack/table-core";
+
+/**
+ * Creates a reactive TanStack table object for Svelte.
+ * @param options Table options to create the table with.
+ * @returns A reactive table object.
+ * @example
+ * ```svelte
+ * <script>
+ *   const table = createSvelteTable({ ... })
+ * </script>
+ *
+ * <table>
+ *   <thead>
+ *     {#each table.getHeaderGroups() as headerGroup}
+ *       <tr>
+ *         {#each headerGroup.headers as header}
+ *           <th colspan={header.colSpan}>
+ *         	   <FlexRender content={header.column.columnDef.header} context={header.getContext()} />
+ *         	 </th>
+ *         {/each}
+ *       </tr>
+ *     {/each}
+ *   </thead>
+ * 	 <!-- ... -->
+ * </table>
+ * ```
+ */
+export function createSvelteTable<TData extends RowData>(options: TableOptions<TData>) {
+	const resolvedOptions: TableOptionsResolved<TData> = mergeObjects(
+		{
+			state: {},
+			onStateChange() {},
+			renderFallbackValue: null,
+			mergeOptions: (
+				defaultOptions: TableOptions<TData>,
+				options: Partial<TableOptions<TData>>
+			) => {
+				return mergeObjects(defaultOptions, options);
+			},
+		},
+		options
+	);
+
+	const table = createTable(resolvedOptions);
+	let state = $state<Partial<TableState>>(table.initialState);
+
+	function updateOptions() {
+		table.setOptions((prev) => {
+			return mergeObjects(prev, options, {
+				state: mergeObjects(state, options.state || {}),
+
+				// eslint-disable-next-line @typescript-eslint/no-explicit-any
+				onStateChange: (updater: any) => {
+					if (updater instanceof Function) state = updater(state);
+					else state = mergeObjects(state, updater);
+
+					options.onStateChange?.(updater);
+				},
+			});
+		});
+	}
+
+	updateOptions();
+
+	$effect.pre(() => {
+		updateOptions();
+	});
+
+	return table;
+}
+
+type MaybeThunk<T extends object> = T | (() => T | null | undefined);
+type Intersection<T extends readonly unknown[]> = (T extends [infer H, ...infer R]
+	? H & Intersection<R>
+	: unknown) & {};
+
+/**
+ * Lazily merges several objects (or thunks) while preserving
+ * getter semantics from every source.
+ *
+ * Proxy-based to avoid known WebKit recursion issue.
+ */
+// eslint-disable-next-line @typescript-eslint/no-explicit-any
+export function mergeObjects<Sources extends readonly MaybeThunk<any>[]>(
+	...sources: Sources
+): Intersection<{ [K in keyof Sources]: Sources[K] }> {
+	const resolve = <T extends object>(src: MaybeThunk<T>): T | undefined =>
+		typeof src === "function" ? (src() ?? undefined) : src;
+
+	const findSourceWithKey = (key: PropertyKey) => {
+		for (let i = sources.length - 1; i >= 0; i--) {
+			const obj = resolve(sources[i]);
+			if (obj && key in obj) return obj;
+		}
+		return undefined;
+	};
+
+	return new Proxy(Object.create(null), {
+		get(_, key) {
+			const src = findSourceWithKey(key);
+
+			return src?.[key as never];
+		},
+
+		has(_, key) {
+			return !!findSourceWithKey(key);
+		},
+
+		ownKeys(): (string | symbol)[] {
+			const all = new Set<string | symbol>();
+			for (const s of sources) {
+				const obj = resolve(s);
+				if (obj) {
+					for (const k of Reflect.ownKeys(obj) as (string | symbol)[]) {
+						all.add(k);
+					}
+				}
+			}
+			return [...all];
+		},
+
+		getOwnPropertyDescriptor(_, key) {
+			const src = findSourceWithKey(key);
+			if (!src) return undefined;
+			return {
+				configurable: true,
+				enumerable: true,
+				// eslint-disable-next-line @typescript-eslint/no-explicit-any
+				value: (src as any)[key],
+				writable: true,
+			};
+		},
+	}) as Intersection<{ [K in keyof Sources]: Sources[K] }>;
+}