Added cache find function

Fixed path events casing issue
Removed log statement that snuck in
2025-06-19 19:46:59 -04:00 · 2025-06-19 18:44:20 -04:00 · 2025-06-16 23:37:02 -04:00 · 2025-06-16 20:56:28 -04:00
6 changed files with 126 additions and 28 deletions
--- a/index.html
+++ b/index.html
@ -1,10 +1,9 @@
 <html>
 	<body>
 		<script type="module">
-			import {Cache, Database} from './dist/index.mjs';
+			import {PES} from './dist/index.mjs';

-			const db = new Database('test', [123]);
-			window['table'] = db.table(123);
+			console.log(PES`storage${'Test/Test'}:d`);
 		</script>
 	</body>
 </html>
--- a/package.json
+++ b/package.json
@ -1,6 +1,6 @@
 {
 	"name": "@ztimson/utils",
-	"version": "0.25.8",
+	"version": "0.25.13",
 	"description": "Utility library",
 	"author": "Zak Timson",
 	"license": "MIT",
--- a/src/cache.ts
+++ b/src/cache.ts
@ -1,5 +1,5 @@
 import {Table} from './database.ts';
-import {deepCopy, JSONSanitize} from './objects.ts';
+import {deepCopy, includes, JSONSanitize} from './objects.ts';

 export type CacheOptions = {
 	/** Delete keys automatically after x amount of seconds */
@ -34,10 +34,7 @@ export class Cache<K extends string | number | symbol, T> {
 		if(options.storageKey && !options.storage && typeof(Storage) !== 'undefined') options.storage = localStorage;
 		if(options.storage) {
 			if(options.storage instanceof Table) {
-				(async () => (await options.storage?.getAll()).forEach((v: any) => {
-					console.log(v);
-					this.add(v)
-				}))()
+				(async () => (await options.storage?.getAll()).forEach((v: any) => this.add(v)))()
 			} else if(options.storageKey) {
 				const stored = options.storage?.getItem(options.storageKey);
 				if(stored != null) try { Object.assign(this.store, JSON.parse(stored)); } catch { }
@ -146,6 +143,16 @@ export class Cache<K extends string | number | symbol, T> {
 		return this;
 	}

+	/**
+	 * Find the first cached item to match a filter
+	 * @param {Partial<T>} filter Partial item to match
+	 * @param {Boolean} expired Include expired items, defaults to false
+	 * @returns {T | undefined} Cached item or undefined if nothing matched
+	 */
+	find(filter: Partial<T>, expired?: boolean): T | undefined {
+		return <T>Object.values(this.store).find((row: any) => (expired || !row._expired) && includes(row, filter));
+	}
+
 	/**
 	 * Get item from the cache
 	 * @param {K} key Key to lookup
--- a/src/database.ts
+++ b/src/database.ts
@ -1,47 +1,85 @@
+import {findByProp} from './array.ts';
 import {ASet} from './aset.ts';

 export type TableOptions = {
 	name: string;
 	key?: string;
+	autoIncrement?: boolean;
 };

 export class Database {
 	connection!: Promise<IDBDatabase>;
+	ready = false;
 	tables!: TableOptions[];

-	constructor(public readonly database: string, tables: (string | TableOptions)[], public version?: number) {
+	constructor(public readonly database: string, tables?: (string | TableOptions)[], public version?: number) {
 		this.connection = new Promise((resolve, reject) => {
 			const req = indexedDB.open(this.database, this.version);
-			this.tables = tables.map(t => {
+			this.tables = !tables ? [] : tables.map(t => {
 				t = typeof t == 'object' ? t : {name: t};
 				return {...t, name: t.name.toString()};
 			});
-			const tableNames = new ASet(this.tables.map(t => t.name));

 			req.onerror = () => reject(req.error);

 			req.onsuccess = () => {
 				const db = req.result;
-				if(tableNames.symmetricDifference(new ASet(Array.from(db.objectStoreNames))).length) {
+				const existing = Array.from(db.objectStoreNames);
+				if(!tables) this.tables = existing.map(t => {
+					const tx = db.transaction(t, 'readonly', )
+					const store = tx.objectStore(t);
+					return {name: t, key: <string>store.keyPath};
+				});
+				const desired = new ASet((tables || []).map(t => typeof t == 'string' ? t : t.name));
+				if(tables && desired.symmetricDifference(new ASet(existing)).length) {
 					db.close();
 					Object.assign(this, new Database(this.database, this.tables, db.version + 1));
+					this.connection.then(resolve);
 				} else {
 					this.version = db.version;
 					resolve(db);
 				}
+				this.ready = true;
 			};

 			req.onupgradeneeded = () => {
 				const db = req.result;
 				const existingTables = new ASet(Array.from(db.objectStoreNames));
-				existingTables.difference(tableNames).forEach(name => db.deleteObjectStore(name));
-				tableNames.difference(existingTables).forEach(name => db.createObjectStore(name));
+				if(tables) {
+					const desired = new ASet((tables || []).map(t => typeof t == 'string' ? t : t.name));
+					existingTables.difference(desired).forEach(name => db.deleteObjectStore(name));
+					desired.difference(existingTables).forEach(name => {
+						const t = this.tables.find(findByProp('name', name));
+						db.createObjectStore(name, {
+							keyPath: t?.key,
+							autoIncrement: t?.autoIncrement || !t?.key
+						});
+					});
+				}
 			};
 		});
 	}

+	async createTable<K extends IDBValidKey = any, T = any>(table: string | TableOptions): Promise<Table<K, T>> {
+		if(typeof table == 'string') table = {name: table};
+		const conn = await this.connection;
+		if(!this.includes(table.name)) {
+			conn.close();
+			Object.assign(this, new Database(this.database, [...this.tables, table], (this.version ?? 0) + 1));
+		}
+		return this.table<K, T>(table.name);
+	}
+
+	async deleteTable(table: string | TableOptions): Promise<void> {
+		if(typeof table == 'string') table = {name: table};
+		if(!this.includes(table.name)) return;
+		const conn = await this.connection;
+		conn.close();
+		Object.assign(this, new Database(this.database, this.tables.filter(t => t.name != table.name), (this.version ?? 0) + 1));
+	}
+
 	includes(name: any): boolean {
-		return !!this.tables.find(t => t.name == name.toString());
+		return !!this.tables.find(t => t.name == (typeof name == 'object' ? name.name : name.toString()));
 	}

 	table<K extends IDBValidKey = any, T = any>(name: any): Table<K, T> {
@ -50,7 +88,12 @@ export class Database {
 }

 export class Table<K extends IDBValidKey = any, T = any> {
-	constructor(private readonly database: Database, public readonly name: string) {}
+	constructor(private readonly database: Database, public readonly name: string, public readonly key: keyof T | string = 'id') {
+		this.database.connection.then(() => {
+			const exists = !!this.database.tables.find(findByProp('name', this.name));
+			if(!exists) this.database.createTable(this.name);
+		});
+	}

 	async tx<R>(table: string, fn: (store: IDBObjectStore) => IDBRequest, readonly = false): Promise<R> {
 		const db = await this.database.connection;
@ -67,12 +110,24 @@ export class Table<K extends IDBValidKey = any, T = any> {
 		return this.tx(this.name, store => store.add(value, key));
 	}

+	all = this.getAll;
+
+	clear(): Promise<void> {
+		return this.tx(this.name, store => store.clear());
+	}
+
 	count(): Promise<number> {
 		return this.tx(this.name, store => store.count(), true);
 	}

-	put(key: K, value: T): Promise<void> {
-		return this.tx(this.name, store => store.put(value, key));
+	create = this.add;
+
+	delete(key: K): Promise<void> {
+		return this.tx(this.name, store => store.delete(key));
+	}
+
+	get(key: K): Promise<T> {
+		return this.tx(this.name, store => store.get(key), true);
 	}

 	getAll(): Promise<T[]> {
@ -83,15 +138,20 @@ export class Table<K extends IDBValidKey = any, T = any> {
 		return this.tx(this.name, store => store.getAllKeys(), true);
 	}

-	get(key: K): Promise<T> {
-		return this.tx(this.name, store => store.get(key), true);
+	put(key: K, value: T): Promise<void> {
+		return this.tx(this.name, store => store.put(value, key));
 	}

-	delete(key: K): Promise<void> {
-		return this.tx(this.name, store => store.delete(key));
+	read(): Promise<T[]>;
+	read(key: K): Promise<T>;
+	read(key?: K): Promise<T | T[]> {
+		return key ? this.get(key) : this.getAll();
 	}

-	clear(): Promise<void> {
-		return this.tx(this.name, store => store.clear());
+	set(value: T, key?: K): Promise<void> {
+		if(!key && !(<any>value)[this.key]) return this.add(value);
+		return this.put(key || (<any>value)[this.key], value);
 	}
+
+	update = this.set;
 }
--- a/src/path-events.ts
+++ b/src/path-events.ts
@ -48,7 +48,7 @@ export function PES(str: TemplateStringsArray, ...args: any[]) {
 		if(str[i]) combined.push(str[i]);
 		if(args[i]) combined.push(args[i]);
 	}
-	const [paths, methods] = combined.join('').split(':');
+	const [paths, methods] = combined.join('/').split(':');
 	return PathEvent.toString(paths, <any>methods?.split(''));
 }

@ -254,8 +254,8 @@ export class PathEventEmitter implements IPathEventEmitter{
 	constructor(public readonly prefix: string = '') { }

 	emit(event: Event, ...args: any[]) {
-		const parsed = new PathEvent(`${this.prefix}/${new PathEvent(event).toString()}`);
-		this.listeners.filter(l => PathEvent.has(l[0], `${this.prefix}/${event}`))
+		const parsed = PE`${this.prefix}/${event}`;
+		this.listeners.filter(l => PathEvent.has(l[0], parsed))
 			.forEach(async l => l[1](parsed, ...args));
 	};

--- a/src/time.ts
+++ b/src/time.ts
@ -190,3 +190,35 @@ export async function sleepWhile(fn : () => boolean | Promise<boolean>, checkInt
 export function timeUntil(date: Date | number): number {
 	return (date instanceof Date ? date.getTime() : date) - (new Date()).getTime();
 }
+
+
+/**
+ * Convert a timezone string (e.g., "America/Toronto") to its current UTC offset in minutes.
+ * @param {string} tz - Timezone string, e.g. "America/Toronto"
+ * @param {Date} [date=new Date()] - The date for which you want the offset (default is now)
+ * @returns {number} - Offset in minutes (e.g., -240)
+ */
+export function timezoneOffset(tz: string, date: Date = new Date()): number {
+	const dtf = new Intl.DateTimeFormat('en-US', {
+		timeZone: tz,
+		hour12: false,
+		year: 'numeric',
+		month: '2-digit',
+		day: '2-digit',
+		hour: '2-digit',
+		minute: '2-digit',
+		second: '2-digit',
+	});
+	const parts = dtf.formatToParts(date);
+	const get = (type: string) => Number(parts.find(v => v.type === type)?.value);
+	const y = get('year');
+	const mo = get('month');
+	const d = get('day');
+	const h = get('hour');
+	const m = get('minute');
+	const s = get('second');
+
+	const asUTC = Date.UTC(y, mo - 1, d, h, m, s);
+	const asLocal = date.getTime();
+	return Math.round((asLocal - asUTC) / 60000);
+}
Author	SHA1	Message	Date
ztimson	11cfc67650	Added cache find function All checks were successful Build / Build NPM Project (push) Successful in 41s Details Build / Tag Version (push) Successful in 8s Details Build / Publish Documentation (push) Successful in 35s Details	2025-06-19 19:46:59 -04:00
ztimson	4ed23e1502	Fixed path events casing issue All checks were successful Build / Build NPM Project (push) Successful in 46s Details Build / Tag Version (push) Successful in 13s Details Build / Publish Documentation (push) Successful in 52s Details	2025-06-19 18:44:20 -04:00
ztimson	e3bbd13ed8	Removed log statement that snuck in All checks were successful Build / Build NPM Project (push) Successful in 37s Details Build / Tag Version (push) Successful in 8s Details Build / Publish Documentation (push) Successful in 37s Details	2025-06-16 23:37:02 -04:00
ztimson	1877bac7ce	Allow dynamically creating tables All checks were successful Build / Build NPM Project (push) Successful in 48s Details Build / Tag Version (push) Successful in 7s Details Build / Publish Documentation (push) Successful in 42s Details	2025-06-16 20:56:28 -04:00