formatDate fixed

Better date format
Added array support to delta calculations
2025-08-01 11:06:07 -04:00 · 2025-08-01 09:54:22 -04:00 · 2025-07-30 21:14:02 -04:00 · 2025-07-30 14:34:59 -04:00 · 2025-07-30 14:22:40 -04:00 · 2025-07-30 09:21:46 -04:00
13 changed files with 330 additions and 144 deletions
--- a/index.html
+++ b/index.html
@ -1,9 +1,11 @@
 <html>
 	<body>
 		<script type="module">
-			import {PE} from './dist/index.mjs';
+			import {formatDate} from './dist/index.mjs';

-			console.log('data/Ts:n', PE`${'data/Ts'}:n`.methods);
+			const dt = new Date('2021-03-03T09:00:00Z');
+			const result = formatDate('Do MMMM dddd', dt, 0);
+			console.log(result);
 		</script>
 	</body>
 </html>
--- a/package.json
+++ b/package.json
@ -1,6 +1,6 @@
 {
 	"name": "@ztimson/utils",
-	"version": "0.26.12",
+	"version": "0.27.0",
 	"description": "Utility library",
 	"author": "Zak Timson",
 	"license": "MIT",
--- a/src/cache.ts
+++ b/src/cache.ts
@ -22,8 +22,10 @@ export class Cache<K extends string | number | symbol, T> {
 	[key: string | number | symbol]: CachedValue<T> | any;
 	/** Whether cache is complete */
 	complete = false;
+
+	private _loading!: Function;
 	/** Await initial loading */
-	loading!: Promise<void>;
+	loading = new Promise<void>(r => this._loading = r);

 	/**
 	 * Create new cache
@ -31,9 +33,6 @@ export class Cache<K extends string | number | symbol, T> {
 	 * @param options
 	 */
 	constructor(public readonly key?: keyof T, public readonly options: CacheOptions = {}) {
-		let done!: Function;
-		this.loading = new Promise(r => done = r);
-
 		// Persistent storage
 		if(this.options.persistentStorage != null) {
 			if(typeof this.options.persistentStorage == 'string')
@ -45,13 +44,15 @@ export class Cache<K extends string | number | symbol, T> {
 					const table: Table<any, any> = await persists.storage.createTable({name: persists.key, key: this.key});
 					const rows = await table.getAll();
 					Object.assign(this.store, rows.reduce((acc, row) => ({...acc, [this.getKey(row)]: row}), {}));
-					done();
+					this._loading();
 				})();
 			} else if((<any>this.options.persistentStorage?.storage)?.getItem != undefined) {
 				const stored = (<Storage>this.options.persistentStorage.storage).getItem(this.options.persistentStorage.key);
 				if(stored != null) try { Object.assign(this.store, JSON.parse(stored)); } catch { }
-				done();
+				this._loading();
 			}
+		} else {
+			this._loading();
 		}

 		// Handle index lookups
--- a/src/database.ts
+++ b/src/database.ts
@ -14,8 +14,8 @@ class AsyncLock {
 		const res = this.p.then(fn, fn);
 		this.p = res.then(() => {}, () => {});
 		return res;
-}
 	}
+}

 export class Database {
 	private schemaLock = new AsyncLock();
@ -28,7 +28,10 @@ export class Database {

 	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);
+			let req: IDBOpenDBRequest;
+			try { req = indexedDB.open(this.database, this.version); }
+			catch (err) { return reject(err); }
+
 			this.tables = !tables ? [] : tables.map(t => {
 				t = typeof t == 'object' ? t : {name: t};
 				return {...t, name: t.name.toString()};
@ -37,13 +40,22 @@ export class Database {
 			req.onerror = () => reject(req.error);

 			req.onsuccess = () => {
-				const db = req.result;
+				let db: IDBDatabase;
+				try { db = req.result; }
+				catch (err) { return reject(err); }
+
 				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};
-				});
+				if(!tables) {
+					this.tables = existing.map(t => {
+						try {
+							const tx = db.transaction(t, 'readonly');
+							const store = tx.objectStore(t);
+							return {name: t, key: <string>store.keyPath};
+						} catch {
+							return {name: t}; // 🛡️ fallback
+						}
+					});
+				}
 				const desired = new ASet((tables || []).map(t => typeof t == 'string' ? t : t.name));
 				if(tables && desired.symmetricDifference(new ASet(existing)).length) {
 					db.close();
@ -58,19 +70,23 @@ export class Database {

 			req.onupgradeneeded = () => {
 				this.upgrading = true;
-				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,
+				let db: IDBDatabase;
+				try { db = req.result; }
+				catch { return; }
+				try {
+					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,
+							});
 						});
-					});
-				}
+					}
+				} catch { }
 			};
 		});
 	}
@ -79,30 +95,30 @@ export class Database {

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

-
 	async deleteTable(table: string | TableOptions): Promise<void> {
 		return this.schemaLock.run(async () => {
-			if (typeof table == 'string') table = { name: table };
-			if (!this.includes(table.name)) return;
+			if(typeof table == 'string') table = { name: table };
+			if(!this.includes(table.name)) return;
 			const conn = await this.connection;
 			const newDb = new Database(this.database, this.tables.filter(t => t.name != (<TableOptions>table).name), (this.version ?? 0) + 1);
 			conn.close();
-			Object.assign(this, newDb);
+			this.connection = newDb.connection;
 			await this.connection;
+			Object.assign(this, newDb);
 		});
-
 	}

 	includes(name: any): boolean {
@ -126,9 +142,8 @@ export class Table<K extends IDBValidKey = any, T = any> {
 		await this.database.waitForUpgrade();
 		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);
+			const request = fn(tx.objectStore(table));
 			request.onsuccess = () => resolve(request.result as R);
 			request.onerror = () => reject(request.error);
 		});
@ -168,7 +183,7 @@ export class Table<K extends IDBValidKey = any, T = any> {

 	put(value: T, key?: string): Promise<void> {
 		return this.tx(this.name, store => {
-			if (store.keyPath) return store.put(value);
+			if(store.keyPath) return store.put(value);
 			return store.put(value, key);
 		});
 	}
--- a/src/http.ts
+++ b/src/http.ts
@ -78,7 +78,7 @@ export class Http {
 		if(!this.url && !opts.url) throw new Error('URL needs to be set');
 		let url = opts.url?.startsWith('http') ? opts.url : (this.url || '') + (opts.url || '');
 		url = url.replaceAll(/([^:]\/)\/+/g, '$1');
-		if(opts.fragment) url.includes('#') ? url.replace(/#.*(\?|\n)/g, (match, arg1) => `#${opts.fragment}${arg1}`) : `${url}#${opts.fragment}`;
+		if(opts.fragment) url.includes('#') ? url.replace(/#.*([?\n])/g, (match, arg1) => `#${opts.fragment}${arg1}`) : `${url}#${opts.fragment}`;
 		if(opts.query) {
 			const q = Array.isArray(opts.query) ? opts.query :
 				Object.keys(opts.query).map(k => ({key: k, value: (<any>opts.query)[k]}))
--- a/src/math.ts
+++ b/src/math.ts
@ -48,3 +48,17 @@ export function fracToDec(frac: string) {
 	split = (<string>split.pop()).split('/');
 	return whole + (Number(split[0]) / Number(split[1]));
 }
+
+/**
+ * Add a suffix to a number:
+ * 1 = 1st
+ * 2 = 2nd
+ * 3 = 3rd
+ * N = Nth
+ * @param {number} n
+ * @returns {string}
+ */
+export function numSuffix(n: number): string {
+	const s = ['th', 'st', 'nd', 'rd'], v = n % 100;
+	return `${n}${s[(v - 20) % 10] || s[v] || s[0]}`;
+}
--- a/src/misc.ts
+++ b/src/misc.ts
@ -1,9 +1,21 @@
 import {PathEvent} from './path-events.ts';
 import {md5} from './string';

+/**
+ * Compare version numbers
+ * @param {string} target
+ * @param {string} vs
+ * @return {number} -1 = target is lower, 0 = equal, 1 = higher
+ */
+export function compareVersions(target: string, vs: string): -1 | 0 | 1 {
+	const [tMajor, tMinor, tPatch] = target.split('.').map(v => +v.replace(/[^0-9]/g, ''));
+	const [vMajor, vMinor, vPatch] = vs.split('.').map(v => +v.replace(/[^0-9]/g, ''));
+	return (tMajor > vMajor || tMinor > vMinor || tPatch > vPatch) ? 1 :
+		(tMajor < vMajor || tMinor < vMinor || tPatch < vPatch) ? -1 : 0;
+}
+
 /**
 * Escape any regex special characters to avoid misinterpretation during search
- *
 * @param {string} value String which should be escaped
 * @return {string} New escaped sequence
 */
--- a/src/objects.ts
+++ b/src/objects.ts
@ -1,3 +1,58 @@
+export type Delta = { [key: string]: any | Delta | null };
+
+/**
+ * Applies deltas in order to modify `target`.
+ * @param target - Object to mutate
+ * @param deltas - List of deltas to apply
+ * @returns Mutated target
+ */
+export function applyDeltas(target: any, deltas: Delta[]): any {
+	for(const delta of deltas) {
+		for(const [key, value] of Object.entries(delta)) {
+			if(value === null) {
+				delete target[key]; // Remove
+			} else if(Array.isArray(value)) {
+				target[key] = [...value]; // Array
+			} else if(typeof value === 'object') {
+				if(typeof target[key] !== 'object' || Array.isArray(target[key]) || !target[key])
+					target[key] = {}; // Nested
+				applyDeltas(target[key], [value]); // Recurse
+			} else {
+				target[key] = value; // Primitive
+			}
+		}
+	}
+	return target;
+}
+
+/**
+ * Creates a nested delta that reverts `target` back to `old`.
+ * @param old - Original object
+ * @param target - Modified object
+ * @returns Delta to revert changes
+ */
+export function calcDelta(old: any, target: any): Delta {
+	const delta: Delta = {};
+	const keys = new Set([...Object.keys(old || {}), ...Object.keys(target || {})]);
+	for(const key of keys) {
+		const val1 = old?.[key];
+		const val2 = target?.[key];
+		if(!(key in target)) {
+			delta[key] = val1; // Removed
+		} else if(!(key in old)) {
+			delta[key] = null; // Added
+		} else if(Array.isArray(val1) || Array.isArray(val2)) {
+			if(JSON.stringify(val1) !== JSON.stringify(val2)) delta[key] = val1; // Array
+		} else if(typeof val1 === 'object' && typeof val2 === 'object' && val1 && val2) {
+			const nested = calcDelta(val1, val2);
+			if(Object.keys(nested).length) delta[key] = nested; // Nested
+		} else if(val1 !== val2) {
+			delta[key] = val1; // Modified
+		}
+	}
+	return delta;
+}
+
 /**
 * Removes any null values from an object in-place
 *
--- a/src/search.ts
+++ b/src/search.ts
@ -13,8 +13,8 @@ export function search(rows: any[], search: string, regex?: boolean, transform:
 	if(!rows) return [];
 	return rows.filter(r => {
 		// Empty search
-		const value = transform(r);
 		if(!search) return true;
+		const value = transform(r);
 		// Regex search
 		if(regex) {
 			return !!Object.values(value).filter((v: any) => {
@ -22,7 +22,7 @@ export function search(rows: any[], search: string, regex?: boolean, transform:
 				catch { return false; }
 			}).length
 		} else {
-			return logicTest(r, search);
+			return logicTest(value, search);
 		}
 	});
 }
@ -39,8 +39,8 @@ export function logicTest(target: object, condition: string): boolean {
 			case '=':
 			case '==': return a == b;
 			case '!=': return a != b;
-			case '+': return a.toString().includes(b);
-			case '-': return !a.toString().includes(b);
+			case '+=': return a?.toString().includes(b);
+			case '-=': return !a?.toString().includes(b);
 			case '>': return a > b;
 			case '>=': return a >= b;
 			case '<': return a < b;
@ -55,7 +55,7 @@ export function logicTest(target: object, condition: string): boolean {
 		const and = p.split('&&').map(p => p.trim()).filter(p => !!p);
 		return and.filter(p => {
 			// Boolean operator
-			const prop = /(\S+)\s*(==?|!=|\+|-|>=|>|<=|<)\s*(\S+)/g.exec(p);
+			const prop = /(\S+)\s*(==?|!=|\+=|-=|>=|>|<=|<)\s*(\S+)/g.exec(p);
 			if(prop) {
 				const key = Object.keys(target).find(k => k.toLowerCase() == prop[1].toLowerCase());
 				return evalBoolean(dotNotation<any>(target, key || prop[1]),  prop[2], JSONAttemptParse(prop[3]));
--- a/src/string.ts
+++ b/src/string.ts
@ -43,6 +43,24 @@ export function formatBytes(bytes: number, decimals = 2) {
 	return parseFloat((bytes / Math.pow(k, i)).toFixed(decimals)) + ' ' + sizes[i];
 }

+/**
+ * Convert milliseconds to human-readable duration
+ * @param {string} ms milliseconds
+ * @param {boolean} short Use unit initial instead of word
+ * @return {string} formated duration
+ */
+export function formatMs(ms: number, short = false): string {
+	if (isNaN(ms) || ms < 0) return "Invalid input";
+	const seconds = ms / 1000;
+	const minutes = seconds / 60;
+	const hours = minutes / 60;
+	const days = hours / 24;
+	if (days >= 1) return `${days.toFixed(1)} ${short ? 'd' : 'days'}`;
+	else if (hours >= 1) return `${hours.toFixed(1)} ${short ? 'h' : 'hours'}`;
+	else if (minutes >= 1) return `${minutes.toFixed(1)} ${short ? 'm' : 'minutes'}`;
+	else return `${seconds.toFixed(1)} ${short ? 's' : 'seconds'}`;
+}
+
 /**
 * Extract numbers from a string & create a formated phone number: +1 (123) 456-7890
 *
--- a/src/time.ts
+++ b/src/time.ts
@ -1,3 +1,5 @@
+import {numSuffix} from './math.ts';
+
 /**
 * Like setInterval but will adjust the timeout value to account for runtime
 * @param {Function} cb Callback function that will be ran
@ -20,6 +22,15 @@ export function adjustedInterval(cb: Function, ms: number) {
 	}
 }

+export function dayOfWeek(d: number): string {
+	return ['Sunday', 'Monday', 'Tuesday', 'Wednesday', 'Thursday', 'Friday', 'Saturday'][d];
+}
+
+export function dayOfYear(date: Date): number {
+	const start = new Date(Date.UTC(date.getUTCFullYear(), 0, 1));
+	return Math.ceil((date.getTime() - start.getTime()) / (1000 * 60 * 60 * 24));
+}
+
 /**
 * Format date
 *
@ -28,111 +39,94 @@ export function adjustedInterval(cb: Function, ms: number) {
 * @param tz Set timezone offset
 * @return {string} Formated date
 */
-export function formatDate(format = 'YYYY-MM-DD H:mm', date: Date | number | string = new Date(), tz?: string | number): string {
-	const timezones = [
-		['IDLW', -12],
-		['SST', -11],
-		['HST', -10],
-		['AKST', -9],
-		['PST', -8],
-		['MST', -7],
-		['CST', -6],
-		['EST', -5],
-		['AST', -4],
-		['BRT', -3],
-		['MAT', -2],
-		['AZOT', -1],
-		['UTC', 0],
-		['CET', 1],
-		['EET', 2],
-		['MSK', 3],
-		['AST', 4],
-		['PKT', 5],
-		['IST', 5.5],
-		['BST', 6],
-		['ICT', 7],
-		['CST', 8],
-		['JST', 9],
-		['AEST', 10],
-		['SBT', 11],
-		['FJT', 12],
-		['TOT', 13],
-		['LINT', 14]
-	];
+export function formatDate(format: string = 'YYYY-MM-DD H:mm', date: Date | number | string = new Date(), tz: string | number = 'local'): string {
+	if (typeof date === 'number' || typeof date === 'string') date = new Date(date);
+	if (isNaN(date.getTime())) throw new Error('Invalid date input');
+	const numericTz = typeof tz === 'number';
+	const localTz = tz === 'local' || (!numericTz && tz.toLowerCase?.() === 'local');
+	const tzName = localTz ? Intl.DateTimeFormat().resolvedOptions().timeZone : numericTz ? 'UTC' : tz;

-	function adjustTz(date: Date, gmt: number) {
-		const currentOffset = date.getTimezoneOffset();
-		const adjustedOffset = gmt * 60;
-		return new Date(date.getTime() + (adjustedOffset + currentOffset) * 60000);
-	}
-
-	function day(num: number): string {
-		return ['Sunday', 'Monday', 'Tuesday', 'Wednesday', 'Thursday', 'Friday', 'Saturday'][num] || 'Unknown';
-	}
-
-	function doy(date: Date) {
-		const start = new Date(`${date.getFullYear()}-01-01 0:00:00`);
-		return Math.ceil((date.getTime() - start.getTime()) / (1000 * 60 * 60 * 24));
-	}
-
-	function month(num: number): string {
-		return ['January', 'February', 'March', 'April', 'May', 'June', 'July', 'August', 'September', 'October', 'November', 'December'][num] || 'Unknown';
-	}
-
-	function suffix(num: number) {
-		if (num % 100 >= 11 && num % 100 <= 13) return `${num}th`;
-		switch (num % 10) {
-			case 1: return `${num}st`;
-			case 2: return `${num}nd`;
-			case 3: return `${num}rd`;
-			default: return `${num}th`;
+	if (!numericTz && tzName !== 'UTC') {
+		try {
+			new Intl.DateTimeFormat('en-US', { timeZone: tzName }).format();
+		} catch {
+			throw new Error(`Invalid timezone: ${tzName}`);
 		}
 	}

-	function tzOffset(offset: number) {
-		const hours = ~~(offset / 60);
-		const minutes = offset % 60;
-		return (offset > 0 ? '-' : '') + `${hours}:${minutes.toString().padStart(2, '0')}`;
+	let zonedDate = new Date(date);
+	if (!numericTz && tzName !== 'UTC') {
+		const parts = new Intl.DateTimeFormat('en-US', {
+			timeZone: tzName,
+			year: 'numeric', month: '2-digit', day: '2-digit',
+			hour: '2-digit', minute: '2-digit', second: '2-digit',
+			hour12: false
+		}).formatToParts(date);
+		const get = (type: string) => parts.find(p => p.type === type)?.value;
+		const build = `${get('year')}-${get('month')}-${get('day')}T${get('hour')}:${get('minute')}:${get('second')}Z`;
+		zonedDate = new Date(build);
+	} else if (numericTz || tzName === 'UTC') {
+		const offset = numericTz ? tz as number : 0;
+		zonedDate = new Date(date.getTime() + offset * 60 * 60 * 1000);
 	}

-	if(typeof date == 'number' || typeof date == 'string' || date == null) date = new Date(date);
+	const get = (fn: 'FullYear' | 'Month' | 'Date' | 'Day' | 'Hours' | 'Minutes' | 'Seconds' | 'Milliseconds') =>
+		(numericTz || tzName === 'UTC') ? zonedDate[`getUTC${fn}`]() : zonedDate[`get${fn}`]();

-	// Handle timezones
-	let t!: [string, number];
-	if(tz == null) tz = -(date.getTimezoneOffset() / 60);
-	t = <any>timezones.find(t => isNaN(<any>tz) ? t[0] == tz : t[1] == tz);
-	if(!t) throw new Error(`Unknown timezone: ${tz}`);
-	date = adjustTz(date, t[1]);
+	function getTZOffset(): string {
+		if (numericTz) {
+			const total = (tz as number) * 60;
+			const hours = Math.floor(Math.abs(total) / 60);
+			const mins = Math.abs(total) % 60;
+			return `${tz >= 0 ? '+' : '-'}${String(hours).padStart(2, '0')}:${String(mins).padStart(2, '0')}`;
+		}
+		try {
+			const offset = new Intl.DateTimeFormat('en-US', {timeZone: tzName, timeZoneName: 'longOffset', hour: '2-digit', minute: '2-digit',})
+				.formatToParts(<Date>date).find(p => p.type === 'timeZoneName')?.value.match(/([+-]\d{2}:\d{2})/)?.[1];
+			if (offset) return offset;
+		} catch {}
+		return '+00:00';
+	}
+
+	function getTZAbbr(): string {
+		if (numericTz && tz === 0) return 'UTC';
+		try {
+			return new Intl.DateTimeFormat('en-US', { timeZone: tzName, timeZoneName: 'short' })
+				.formatToParts(<Date>date).find(p => p.type === 'timeZoneName')?.value || '';
+		} catch {
+			return tzName;
+		}
+	}

-	// Token mapping
 	const tokens: Record<string, string> = {
-		'YYYY': date.getFullYear().toString(),
-		'YY': date.getFullYear().toString().slice(2),
-		'MMMM': month(date.getMonth()),
-		'MMM': month(date.getMonth()).slice(0, 3),
-		'MM': (date.getMonth() + 1).toString().padStart(2, '0'),
-		'M': (date.getMonth() + 1).toString(),
-		'DDD': doy(date).toString(),
-		'DD': date.getDate().toString().padStart(2, '0'),
-		'Do': suffix(date.getDate()),
-		'D': date.getDate().toString(),
-		'dddd': day(date.getDay()),
-		'ddd': day(date.getDay()).slice(0, 3),
-		'HH': date.getHours().toString().padStart(2, '0'),
-		'H': date.getHours().toString(),
-		'hh': (date.getHours() % 12 || 12).toString().padStart(2, '0'),
-		'h': (date.getHours() % 12 || 12).toString(),
-		'mm': date.getMinutes().toString().padStart(2, '0'),
-		'm': date.getMinutes().toString(),
-		'ss': date.getSeconds().toString().padStart(2, '0'),
-		's': date.getSeconds().toString(),
-		'SSS': date.getMilliseconds().toString().padStart(3, '0'),
-		'A': date.getHours() >= 12 ? 'PM' : 'AM',
-		'a': date.getHours() >= 12 ? 'pm' : 'am',
-		'ZZ': tzOffset(t[1] * 60).replace(':', ''),
-		'Z': tzOffset(t[1] * 60),
-		'z': typeof tz == 'string' ? tz : (<any>t)[0]
+		YYYY: get('FullYear').toString(),
+		YY: get('FullYear').toString().slice(2),
+		MMMM: month(get('Month')),
+		MMM: month(get('Month')).slice(0, 3),
+		MM: (get('Month') + 1).toString().padStart(2, '0'),
+		M: (get('Month') + 1).toString(),
+		DDD: dayOfYear(zonedDate).toString(),
+		DD: get('Date').toString().padStart(2, '0'),
+		Do: numSuffix(get('Date')),
+		D: get('Date').toString(),
+		dddd: dayOfWeek(get('Day')),
+		ddd: dayOfWeek(get('Day')).slice(0, 3),
+		HH: get('Hours').toString().padStart(2, '0'),
+		H: get('Hours').toString(),
+		hh: (get('Hours') % 12 || 12).toString().padStart(2, '0'),
+		h: (get('Hours') % 12 || 12).toString(),
+		mm: get('Minutes').toString().padStart(2, '0'),
+		m: get('Minutes').toString(),
+		ss: get('Seconds').toString().padStart(2, '0'),
+		s: get('Seconds').toString(),
+		SSS: get('Milliseconds').toString().padStart(3, '0'),
+		A: get('Hours') >= 12 ? 'PM' : 'AM',
+		a: get('Hours') >= 12 ? 'pm' : 'am',
+		ZZ: getTZOffset().replace(':', ''),
+		Z: getTZOffset(),
+		z: getTZAbbr(),
 	};
+
 	return format.replace(/YYYY|YY|MMMM|MMM|MM|M|DDD|DD|Do|D|dddd|ddd|HH|H|hh|h|mm|m|ss|s|SSS|A|a|ZZ|Z|z/g, token => tokens[token]);
 }

@ -148,6 +142,10 @@ export function instantInterval(fn: () => any, interval: number) {
 	return setInterval(fn, interval);
 }

+export function month(m: number): string {
+	return ['January', 'February', 'March', 'April', 'May', 'June', 'July', 'August', 'September', 'October', 'November', 'December'][m];
+}
+
 /**
 * Use in conjunction with `await` to pause an async script
 *
--- a/tests/search.spec.ts
+++ b/tests/search.spec.ts
@ -4,6 +4,7 @@ const rows = [
 	{id: 1, name: 'Alice', age: 30},
 	{id: 2, name: 'Bob', age: 24},
 	{id: 3, name: 'Carol', age: 30},
+	{id: 4, name: 'David', age: 35},
 ];

 describe('Search Utilities', () => {
@ -37,6 +38,35 @@ describe('Search Utilities', () => {
 		it('returns all if search is falsy and regex enabled', () => {
 			expect(search(rows, '', true)).toEqual(rows);
 		});
+
+		it('handles regex search with special characters', () => {
+			expect(search(rows, '^[AC]', true)).toEqual([rows[0], rows[2]]);
+		});
+
+		it('ignores case when regex is applied', () => {
+			expect(search(rows, 'ALICE', true)).toEqual([]);
+		});
+
+		it('performs partial matches for properties when regex=false', () => {
+			expect(search(rows, 'Da')).toEqual([rows[3]]);
+		});
+
+		it('handles empty array input gracefully', () => {
+			expect(search([], 'test')).toEqual([]);
+		});
+
+		it('handles numeric values with comparison logic in strings', () => {
+			expect(search(rows, 'age < 31')).toEqual([rows[0], rows[1], rows[2]]);
+		});
+
+		// New test cases for `+` and `-` operators
+		it('filters rows using the + operator', () => {
+			expect(search(rows, 'name += Al')).toEqual([rows[0]]);
+		});
+
+		it('filters rows using the - operator', () => {
+			expect(search(rows, 'name -= Al')).toEqual([rows[1], rows[2], rows[3]]);
+		});
 	});

 	describe('logicTest', () => {
@ -67,5 +97,46 @@ describe('Search Utilities', () => {
 		it('returns false for unsupported operators', () => {
 			expect(logicTest(obj, 'x === 10')).toBe(false);
 		});
+
+		it('handles invalid condition strings gracefully', () => {
+			expect(logicTest(obj, 'invalid condition')).toBe(false);
+		});
+
+		it('supports numeric operations with ranges', () => {
+			expect(logicTest(obj, 'x > 5 && x < 15')).toBe(true);
+			expect(logicTest(obj, 'x > 15')).toBe(false);
+		});
+
+		it('handles mixed case keys gracefully', () => {
+			const mixedCaseObj = {TestKey: 123};
+			expect(logicTest(mixedCaseObj, 'TestKey == 123')).toBe(true);
+			expect(logicTest(mixedCaseObj, 'testkey == 123')).toBe(true);
+		});
+
+		it('returns false if condition operators are missing', () => {
+			expect(logicTest(obj, 'x 10')).toBe(false);
+		});
+
+		// New test cases for `+` and `-` operators
+		it('handles the + operator for inclusion', () => {
+			expect(logicTest(obj, 'name += Alpha')).toBe(true);
+			expect(logicTest(obj, 'name += Alp')).toBe(true);
+			expect(logicTest(obj, 'name += Bet')).toBe(false);
+		});
+
+		it('handles the - operator for exclusion', () => {
+			expect(logicTest(obj, 'name -= Alpha')).toBe(false);
+			expect(logicTest(obj, 'name -= Alp')).toBe(false);
+			expect(logicTest(obj, 'name -= Bet')).toBe(true);
+		});
+
+		it('includes partial matches correctly with +', () => {
+			expect(logicTest(obj, 'name += lph')).toBe(true);
+		});
+
+		it('excludes partial matches correctly with -', () => {
+			expect(logicTest(obj, 'name -= lph')).toBe(false);
+			expect(logicTest(obj, 'name -= xyz')).toBe(true);
+		});
 	});
 });
--- a/tests/time.spec.ts
+++ b/tests/time.spec.ts
@ -31,11 +31,11 @@ describe('Time Utilities', () => {
 		it('handles formatting for given timestamp', () => {
 			const timestamp = Date.UTC(2023, 1, 1, 18, 5, 5, 123); // Feb 1, 2023 18:05:05.123 UTC
 			const formatted = formatDate('YYYY MM DD HH mm ss SSS A Z', timestamp, 'UTC');
-			expect(formatted).toMatch(/^2023 02 01 18 05 05 123 PM \+?0:00$/i);
+			expect(formatted).toMatch(/^2023 02 01 18 05 05 123 PM \+00:00/i);
 		});

 		it('throws for unknown timezone', () => {
-			expect(() => formatDate('YYYY', new Date(), '???')).toThrowError(/Unknown timezone/);
+			expect(() => formatDate('YYYY', new Date(), '???')).toThrowError(/Invalid timezone/);
 		});

 		it('handles timezone by offset number', () => {
Author	SHA1	Message	Date
ztimson	31998c01d6	formatDate fixed Some checks failed Build / Build NPM Project (push) Successful in 1m12s Details Build / Tag Version (push) Successful in 16s Details Build / Publish Documentation (push) Failing after 16s Details	2025-08-01 11:06:07 -04:00
ztimson	c5270fbd7e	Better date format Some checks failed Build / Build NPM Project (push) Failing after 46s Details Build / Publish Documentation (push) Has been skipped Details Build / Tag Version (push) Has been skipped Details	2025-08-01 09:54:22 -04:00
ztimson	bfe9493d23	Added array support to delta calculations Some checks failed Build / Build NPM Project (push) Successful in 42s Details Build / Publish Documentation (push) Failing after 5s Details Build / Tag Version (push) Successful in 9s Details	2025-07-30 21:14:02 -04:00
ztimson	1b6fe42f78	Added delta functions Some checks failed Build / Build NPM Project (push) Successful in 42s Details Build / Publish Documentation (push) Failing after 4s Details Build / Tag Version (push) Successful in 8s Details	2025-07-30 14:34:59 -04:00
ztimson	c3d8d75ba3	Added delta functions Some checks failed Build / Build NPM Project (push) Successful in 41s Details Build / Publish Documentation (push) Failing after 5s Details Build / Tag Version (push) Successful in 9s Details	2025-07-30 14:22:40 -04:00
ztimson	e2d756fe28	Compare version function Some checks failed Build / Build NPM Project (push) Successful in 54s Details Build / Publish Documentation (push) Failing after 4s Details Build / Tag Version (push) Successful in 9s Details	2025-07-30 09:21:46 -04:00
ztimson	52f64f9e78	IndexDB fixes Some checks failed Build / Build NPM Project (push) Successful in 45s Details Build / Publish Documentation (push) Failing after 4s Details Build / Tag Version (push) Successful in 8s Details	2025-07-28 13:09:31 -04:00
ztimson	4caf0e5048	IndexDB safari fixes Some checks failed Build / Build NPM Project (push) Successful in 54s Details Build / Publish Documentation (push) Failing after 7s Details Build / Tag Version (push) Successful in 10s Details	2025-07-28 12:52:22 -04:00
ztimson	55b871f4c1	Fixed cache loading promise when persistence storage is off Some checks failed Build / Build NPM Project (push) Successful in 54s Details Build / Publish Documentation (push) Failing after 4s Details Build / Tag Version (push) Successful in 8s Details	2025-07-26 11:24:04 -04:00
ztimson	fb077775b6	Added format milliseconds method Some checks failed Build / Build NPM Project (push) Successful in 42s Details Build / Publish Documentation (push) Failing after 5s Details Build / Tag Version (push) Successful in 8s Details	2025-07-25 19:51:06 -04:00
ztimson	2d2b2b8216	Added format milliseconds method Some checks failed Build / Build NPM Project (push) Successful in 41s Details Build / Publish Documentation (push) Failing after 4s Details Build / Tag Version (push) Successful in 8s Details	2025-07-25 19:46:21 -04:00
ztimson	b473ade178	Added format milliseconds method Some checks failed Build / Build NPM Project (push) Successful in 58s Details Build / Publish Documentation (push) Failing after 4s Details Build / Tag Version (push) Successful in 8s Details	2025-07-25 19:42:01 -04:00
ztimson	b3223661dd	More efficient regex Some checks failed Build / Build NPM Project (push) Successful in 44s Details Build / Publish Documentation (push) Failing after 4s Details Build / Tag Version (push) Successful in 8s Details	2025-07-22 14:22:47 -04:00
ztimson	c36af83918	Added search transform Some checks failed Build / Build NPM Project (push) Successful in 43s Details Build / Publish Documentation (push) Failing after 4s Details Build / Tag Version (push) Successful in 9s Details	2025-07-22 14:16:18 -04:00
ztimson	9ec70430a5	Updated include/exclude search operands Some checks failed Build / Build NPM Project (push) Successful in 56s Details Build / Publish Documentation (push) Failing after 5s Details Build / Tag Version (push) Successful in 8s Details	2025-07-22 13:53:10 -04:00
ztimson	397b165e55	Better search include/excludes Some checks failed Build / Build NPM Project (push) Successful in 43s Details Build / Publish Documentation (push) Failing after 5s Details Build / Tag Version (push) Successful in 8s Details	2025-07-21 19:11:16 -04:00