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 · 2025-06-11 18:41:46 -04:00 · 2025-05-27 15:42:00 -04:00
9 changed files with 274 additions and 38 deletions
--- a/index.html
+++ b/index.html
@ -0,0 +1,9 @@
+<html>
+	<body>
+		<script type="module">
+			import {PES} from './dist/index.mjs';
+
+			console.log(PES`storage${'Test/Test'}:d`);
+		</script>
+	</body>
+</html>
--- a/package.json
+++ b/package.json
@ -1,6 +1,6 @@
 {
 	"name": "@ztimson/utils",
-	"version": "0.25.0",
+	"version": "0.25.13",
 	"description": "Utility library",
 	"author": "Zak Timson",
 	"license": "MIT",
@ -31,6 +31,7 @@
 	},
 	"devDependencies": {
 		"@types/jest": "^29.5.12",
+		"fake-indexeddb": "^6.0.1",
 		"jest": "^29.7.0",
 		"jest-junit": "^16.0.0",
 		"ts-jest": "^29.1.2",
--- a/src/cache.ts
+++ b/src/cache.ts
@ -1,10 +1,11 @@
-import {deepCopy} from './objects.ts';
+import {Table} from './database.ts';
+import {deepCopy, includes, JSONSanitize} from './objects.ts';

 export type CacheOptions = {
 	/** Delete keys automatically after x amount of seconds */
 	ttl?: number;
 	/** Storage to persist cache */
-	storage?: Storage;
+	storage?: Storage | Table<any, any>;
 	/** Key cache will be stored under */
 	storageKey?: string;
 	/** Keep or delete cached items once expired, defaults to delete */
@ -30,13 +31,13 @@ export class Cache<K extends string | number | symbol, T> {
 	 * @param options
 	 */
 	constructor(public readonly key?: keyof T, public readonly options: CacheOptions = {}) {
-		if(options.storageKey && !options.storage && typeof(Storage) !== 'undefined')
-			options.storage = localStorage;
-		if(options.storageKey && options.storage) {
-			const stored = options.storage.getItem(options.storageKey);
-			if(stored) {
-				try { Object.assign(this.store, JSON.parse(stored)); }
-				catch { }
+		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) => 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 { }
 			}
 		}
 		return new Proxy(this, {
@ -57,9 +58,14 @@ export class Cache<K extends string | number | symbol, T> {
 		return <K>value[this.key];
 	}

-	private save() {
-		if(this.options.storageKey && this.options.storage)
-			this.options.storage.setItem(this.options.storageKey, JSON.stringify(this.store));
+	private save(key: K) {
+		if(this.options.storage) {
+			if(this.options.storage instanceof Table) {
+				this.options.storage.put(key, this.store[key]);
+			} else if(this.options.storageKey) {
+				this.options.storage.setItem(this.options.storageKey, JSONSanitize(this.store));
+			}
+		}
 	}

 	/**
@ -111,7 +117,7 @@ export class Cache<K extends string | number | symbol, T> {
 	 */
 	delete(key: K): this {
 		delete this.store[key];
-		this.save();
+		this.save(key);
 		return this;
 	}

@ -130,14 +136,27 @@ export class Cache<K extends string | number | symbol, T> {
 	 */
 	expire(key: K): this {
 		this.complete = false;
-		if(this.options.expiryPolicy == 'keep') (<any>this.store[key])._expired = true;
-		else this.delete(key);
+		if(this.options.expiryPolicy == 'keep') {
+			(<any>this.store[key])._expired = true;
+			this.save(key);
+		} else this.delete(key);
 		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
+	 * @param expired Include expired items
 	 * @return {T} Cached item
 	 */
 	get(key: K, expired?: boolean): CachedValue<T> | null {
@ -177,10 +196,10 @@ export class Cache<K extends string | number | symbol, T> {
 	set(key: K, value: T, ttl = this.options.ttl): this {
 		if(this.options.expiryPolicy == 'keep') delete (<any>value)._expired;
 		this.store[key] = value;
-		this.save();
+		this.save(key);
 		if(ttl) setTimeout(() => {
 			this.expire(key);
-			this.save();
+			this.save(key);
 		}, (ttl || 0) * 1000);
 		return this;
 	}
--- a/src/database.ts
+++ b/src/database.ts
@ -0,0 +1,157 @@
+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) {
+		this.connection = new Promise((resolve, reject) => {
+			const req = indexedDB.open(this.database, this.version);
+			this.tables = !tables ? [] : tables.map(t => {
+				t = typeof t == 'object' ? t : {name: t};
+				return {...t, name: t.name.toString()};
+			});
+
+			req.onerror = () => reject(req.error);
+
+			req.onsuccess = () => {
+				const db = req.result;
+				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));
+				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 == (typeof name == 'object' ? name.name : name.toString()));
+	}
+
+	table<K extends IDBValidKey = any, T = any>(name: any): Table<K, T> {
+		return new Table<K, T>(this, name.toString());
+	}
+}
+
+export class Table<K extends IDBValidKey = any, T = any> {
+	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;
+		const tx = db.transaction(table, readonly ? 'readonly' : 'readwrite');
+		const store = tx.objectStore(table);
+		return new Promise<R>((resolve, reject) => {
+			const request = fn(store);
+			request.onsuccess = () => resolve(request.result as R); // ✅ explicit cast
+			request.onerror = () => reject(request.error);
+		});
+	}
+
+	add(value: T, key?: K): Promise<void> {
+		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);
+	}
+
+	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[]> {
+		return this.tx(this.name, store => store.getAll(), true);
+	}
+
+	getAllKeys(): Promise<K[]> {
+		return this.tx(this.name, store => store.getAllKeys(), true);
+	}
+
+	put(key: K, value: T): Promise<void> {
+		return this.tx(this.name, store => store.put(value, key));
+	}
+
+	read(): Promise<T[]>;
+	read(key: K): Promise<T>;
+	read(key?: K): Promise<T | T[]> {
+		return key ? this.get(key) : this.getAll();
+	}
+
+	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/index.ts
+++ b/src/index.ts
@ -4,6 +4,7 @@ export * from './aset';
 export * from './cache';
 export * from './color';
 export * from './csv';
+export * from './database';
 export * from './files';
 export * from './emitter';
 export * from './errors';
--- 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/string.ts
+++ b/src/string.ts
@ -21,11 +21,13 @@ export const CHAR_LIST = LETTER_LIST + LETTER_LIST.toLowerCase() + NUMBER_LIST +
 /**
 * Converts text to camelCase
 */
-export function camelCase(str?: string) {
-	const text = pascalCase(str);
-	return !text ? '' : text[0].toLowerCase() + text.slice(1);
+export function camelCase(str?: string): string {
+	if(!str) return '';
+	const pascal = pascalCase(str);
+	return pascal.charAt(0).toLowerCase() + pascal.slice(1);
 }

+
 /**
 * Convert number of bytes into a human-readable size
 *
@ -75,14 +77,12 @@ export function insertAt(target: string, str: string, index: number): String {
 /**
 * Converts text to kebab-case
 */
-export function kebabCase(str: string) {
+export function kebabCase(str?: string): string {
 	if(!str) return '';
-	return str.replaceAll(/(^[^a-zA-Z]+|[^a-zA-Z0-9-_])/g, '')
-		.replaceAll(/([A-Z]|[0-9]+)/g, (...args) => `-${args[0].toLowerCase()}`)
-		.replaceAll(/([0-9])([a-z])/g, (...args) => `${args[1]}-${args[2]}`)
-		.replaceAll(/[^a-z0-9]+(\w?)/g, (...args) => `-${args[1] ?? ''}`).toLowerCase();
+	return wordSegments(str).map(w => w.toLowerCase()).join("-");
 }

+
 /**
 * Add padding to string
 *
@ -112,12 +112,13 @@ export function pad(text: any, length: number, char: string = ' ', start = true)
 */
 export function pascalCase(str?: string): string {
 	if(!str) return '';
-	return str.match(/[a-zA-Z0-9]+/g)
-		?.map(word => word.charAt(0).toUpperCase() + word.slice(1).toLowerCase())
-		.join('') ?? '';
+	return wordSegments(str)
+		.map((w) => w.charAt(0).toUpperCase() + w.slice(1).toLowerCase())
+		.join('');
 }


+
 /**
 * Generate a random hexadecimal value
 *
@ -184,14 +185,12 @@ export function randomStringBuilder(length: number, letters = false, numbers = f
 /**
 * Converts text to snake_case
 */
-export function snakeCase(str?: string) {
+export function snakeCase(str?: string): string {
 	if(!str) return '';
-	return str.replaceAll(/(^[^a-zA-Z]+|[^a-zA-Z0-9-_])/g, '')
-		.replaceAll(/([A-Z]|[0-9]+)/g, (...args) => `_${args[0].toLowerCase()}`)
-		.replaceAll(/([0-9])([a-z])/g, (...args) => `${args[1]}_${args[2]}`)
-		.replaceAll(/[^a-z0-9]+(\w?)/g, (...args) => `_${args[1] ?? ''}`).toLowerCase();
+	return wordSegments(str).map(w => w.toLowerCase()).join("_");
 }

+
 /**
 * Splice a string together (Similar to Array.splice)
 *
@ -298,6 +297,23 @@ export function md5(d: string)  {
 	function bit_rol(d:any,_:any){return d<<_|d>>>32-_
 }

+/**
+ * Splits a string into logical word segments
+ */
+export function wordSegments(str?: string): string[] {
+	if (!str) return [];
+	return str
+		.replace(/([a-z])([A-Z])/g, "$1 $2")
+		.replace(/([A-Z]+)([A-Z][a-z])/g, "$1 $2")
+		.replace(/([0-9]+)([a-zA-Z])/g, "$1 $2")
+		.replace(/([a-zA-Z])([0-9]+)/g, "$1 $2")
+		.replace(/[_\-\s]+/g, " ")
+		.trim()
+		.split(/\s+/)
+		.filter(Boolean);
+}
+
+
 /**
 * Check if email is valid
 *
--- 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);
+}
--- a/tests/string.spec.ts
+++ b/tests/string.spec.ts
@ -59,7 +59,8 @@ describe('String Utilities', () => {

 	describe('kebabCase', () => {
 		it('converts to kebab-case', () => {
-			expect(kebabCase('HelloWorldTest')).toContain('-hello');
+			expect(kebabCase('hello world')).toBe('hello-world');
+			expect(kebabCase('HelloWorld')).toContain('hello-world');
 			expect(kebabCase('')).toBe('');
 		});
 	});
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
ztimson	c06538a725	Fixed word formatters All checks were successful Build / Build NPM Project (push) Successful in 45s Details Build / Tag Version (push) Successful in 8s Details Build / Publish Documentation (push) Successful in 35s Details	2025-06-11 18:41:46 -04:00
ztimson	a08b0c4eea	Fixed database init loop All checks were successful Build / Build NPM Project (push) Successful in 40s Details Build / Tag Version (push) Successful in 8s Details Build / Publish Documentation (push) Successful in 34s Details	2025-05-27 15:42:00 -04:00
ztimson	1b03ae875b	Fixed database includes All checks were successful Build / Build NPM Project (push) Successful in 41s Details Build / Tag Version (push) Successful in 7s Details Build / Publish Documentation (push) Successful in 35s Details	2025-05-27 15:13:53 -04:00
ztimson	af1da75a82	Removed console.log statments 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 34s Details	2025-05-27 14:56:24 -04:00
ztimson	e19768688d	Fixed using numbers as database table name All checks were successful Build / Build NPM Project (push) Successful in 1m16s Details Build / Tag Version (push) Successful in 15s Details Build / Publish Documentation (push) Successful in 53s Details	2025-05-27 14:51:04 -04:00
ztimson	6d706d4c15	Added database wrapper All checks were successful Build / Build NPM Project (push) Successful in 1m7s Details Build / Tag Version (push) Successful in 14s Details Build / Publish Documentation (push) Successful in 53s Details	2025-05-25 23:02:56 -04:00
ztimson	97f2bcce2e	removed debugging line All checks were successful Build / Build NPM Project (push) Successful in 43s Details Build / Tag Version (push) Successful in 8s Details Build / Publish Documentation (push) Successful in 36s Details	2025-05-15 16:47:35 -04:00
ztimson	2a7fa18c0e	Added indexdb wrapper & cache support for it All checks were successful Build / Build NPM Project (push) Successful in 1m24s Details Build / Tag Version (push) Successful in 53s Details Build / Publish Documentation (push) Successful in 1m28s Details	2025-05-15 16:06:32 -04:00