Fixed doc build step

.editorconfig

@@ -13,3 +13,7 @@ quote_type = single
 [*.md]
 max_line_length = off
 trim_trailing_whitespace = false
+
+[*.{yaml,yml}]
+indent_style = space
+indent_size = 2

.github/workflows/build.yaml

@@ -11,26 +11,26 @@ jobs:
     runs-on: ubuntu-latest
     container: node:20-alpine
     steps:
-      -   name: Clone Repository
-          uses: ztimson/actions/clone@develop
+      - name: Clone Repository
+        uses: ztimson/actions/clone@develop
 
-      -   name: Install & Build
-          run: |
-            npm i
-            npm run build
+      - name: Install & Build
+        run: |
+          npm i
+          npm run build
 
-      -   name: Test
-          run: npm run test:coverage
+      - name: Test
+        run: npm run test:coverage
 
-      -   name: Upload to Registry
-          uses: ztimson/actions/npm/publish@develop
+      - name: Upload to Registry
+        uses: ztimson/actions/npm/publish@develop
 
-      -   name: Upload to NPM
-          uses: ztimson/actions/npm/publish@develop
-          with:
-              owner: ztimson
-              registry: https://registry.npmjs.org/
-              token: ${{secrets.NPM_TOKEN}}
+      - name: Upload to NPM
+        uses: ztimson/actions/npm/publish@develop
+        with:
+          owner: ztimson
+          registry: https://registry.npmjs.org/
+          token: ${{secrets.NPM_TOKEN}}
   tag:
     name: Tag Version
     needs: build
@@ -38,23 +38,53 @@ jobs:
     runs-on: ubuntu-latest
     container: node
     steps:
-      -   name: Clone Repository
-          uses: ztimson/actions/clone@develop
-
-      -   name: Get Version Number
-          run: echo "VERSION=$(cat package.json | grep version | grep -Eo ':.+' | grep -Eo '[[:alnum:]\.\/\-]+')" >> $GITHUB_ENV
-
-      -   name: Tag Version
-          uses: ztimson/actions/tag@develop
-          with:
-            tag: ${{env.VERSION}}
+      - name: Clone Repository
+        uses: ztimson/actions/clone@develop
 
+      - name: Get Version Number
+        run: echo "VERSION=$(cat package.json | grep version | grep -Eo ':.+' | grep -Eo '[[:alnum:]\.\/\-]+')" >> $GITHUB_ENV
 
+      - name: Tag Version
+        uses: ztimson/actions/tag@develop
+        with:
+          tag: ${{env.VERSION}}
   docs:
-    name: Publish Documentation
-    needs: build
-    uses: ztimson/actions/.github/workflows/docker.yaml@develop
-    with:
-        name: ztimson/utils
-        repository: ${{github.server_url}}/${{github.repository}}.git
-        pass: ${{secrets.DEPLOY_TOKEN}}
+    name: Publish Docs
+    runs-on: ubuntu-latest
+    container: docker:dind
+    steps:
+      - name: Clone Repository
+        uses: ztimson/actions/clone@develop
+
+      - name: Build Image
+        run: |
+          REGISTRY=$(echo ${{github.server_url}} | sed s%http://%% | sed s%https://%%)
+          docker build -t "$REGISTRY/${{github.repository}}:${{github.ref_name}}" .
+
+      - name: Build Image
+        run: |
+          echo "CHECKSUM: ${{env.CHECKSUM}}"
+          REGISTRY=$(echo ${{github.server_url}} | sed s%http://%% | sed s%https://%%)
+          docker build -t "$REGISTRY/${{github.repository}}:${{github.ref_name}}" --build-arg LICENSE_KEY="${{secrets.LICENSE_KEY}}" --build-arg UPDATE_TOKEN="${{secrets.UPDATE_TOKEN}}" .
+
+      - name: Publish Branch Tag
+        run: |
+          REGISTRY=$(echo ${{github.server_url}} | sed s%http://%% | sed s%https://%%)
+          docker login -u ${{github.repository_owner}} -p ${{secrets.DEPLOY_TOKEN}} $REGISTRY
+          docker push "$REGISTRY/${{github.repository}}:${{github.ref_name}}"
+
+      - name: Publish Version Tag
+        run: |
+          if [ "${{github.ref_name}}" = "master" ]; then
+            REGISTRY=$(echo ${{github.server_url}} | sed s%http://%% | sed s%https://%%)
+            docker tag "$REGISTRY/${{github.repository}}:${{github.ref_name}}" "$REGISTRY/${{github.repository}}:${{env.VERSION}}"
+            docker push "$REGISTRY/${{github.repository}}:${{env.VERSION}}"
+          fi
+
+      - name: Publish Latest Tag
+        run: |
+          if [ "${{github.ref_name}}" = "master" ]; then
+            REGISTRY=$(echo ${{github.server_url}} | sed s%http://%% | sed s%https://%%)
+            docker tag "$REGISTRY/${{github.repository}}:${{github.ref_name}}" "$REGISTRY/${{github.repository}}:latest"
+            docker push "$REGISTRY/${{github.repository}}:latest"
+          fi

index.html

@@ -1,11 +1,102 @@
+<!DOCTYPE html>
 <html>
+	<head>
+		<title>Console Styling Playground</title>
+	</head>
 	<body>
-		<script type="module">
-			import {formatDate} from './dist/index.mjs';
+		<h1>Open Chrome DevTools Console to see magic! (Ctrl+Shift+J or Cmd+Option+J)</h1>
 
-			const dt = new Date('2021-03-03T09:00:00Z');
-			const result = formatDate('Do MMMM dddd', dt, 0);
-			console.log(result);
+		<script>
+			// Console Styling Playground
+			class ConsoleStyler {
+				// Basic badge with customizable colors
+				badge(text, bgColor = '#007bff', textColor = 'white') {
+					console.log(
+						`%c ${text} `,
+						`background-color: ${bgColor};
+                 color: ${textColor};
+                 border-radius: 12px;
+                 padding: 2px 8px;
+                 font-weight: bold;`
+					);
+				}
+
+				// Multi-style log with different sections
+				richLog() {
+					console.log(
+						'%cSystem%c Operation %cDetails',
+						'background-color: #f0f0f0; color: black; padding: 2px 5px; border-radius: 3px;',
+						'color: blue; font-weight: bold;',
+						'color: green;'
+					);
+				}
+
+				// Grouped logs with nested information
+				groupedLog(title, items) {
+					console.group(title);
+					items.forEach(item => {
+						console.log(item);
+					});
+					console.groupEnd();
+				}
+
+				// Table view for structured data
+				tableLog(data) {
+					console.table(data);
+				}
+
+				// Performance tracking
+				timeTrack(label, operation) {
+					console.time(label);
+					operation();
+					console.timeEnd(label);
+				}
+
+				// Demonstration method
+				demo() {
+					// Different styled badges
+					this.badge('NEW', '#28a745');  // Green
+					this.badge('WARNING', '#ffc107', 'black');  // Yellow
+					this.badge('ERROR', '#dc3545');  // Red
+					this.badge('CUSTOM', '#6f42c1');  // Purple
+
+					// Rich multi-style log
+					this.richLog();
+
+					// Grouped logs
+					this.groupedLog('User Details', [
+						{ name: 'John Doe', age: 30, role: 'Admin' },
+						{ name: 'Jane Smith', age: 25, role: 'User' }
+					]);
+
+					// Table logging
+					this.tableLog([
+						{ name: 'John', age: 30, active: true },
+						{ name: 'Jane', age: 25, active: false }
+					]);
+
+					// Performance tracking
+					this.timeTrack('Complex Operation', () => {
+						let sum = 0;
+						for(let i = 0; i < 1000000; i++) {
+							sum += i;
+						}
+						console.log('Sum:', sum);
+					});
+
+					// Advanced: Conditional styling
+					const logLevel = 'warn';
+					console.log(
+						`%c[${logLevel.toUpperCase()}]%c Detailed message`,
+						`color: ${logLevel === 'warn' ? 'orange' : 'red'}; font-weight: bold;`,
+						'color: black;'
+					);
+				}
+			}
+
+			// Create instance and run demo
+			const styler = new ConsoleStyler();
+			styler.demo();
 		</script>
 	</body>
 </html>

package.json

@@ -1,6 +1,6 @@
 {
 	"name": "@ztimson/utils",
-	"version": "0.27.1",
+	"version": "0.27.9",
 	"description": "Utility library",
 	"author": "Zak Timson",
 	"license": "MIT",

src/cache.ts

@@ -1,5 +1,6 @@
 import {Database, Table} from './database.ts';
-import {deepCopy, includes, JSONSanitize} from './objects.ts';
+import {JSONSanitize} from './json.ts';
+import {deepCopy, includes} from './objects.ts';
 
 export type CacheOptions = {
 	/** Delete keys automatically after x amount of seconds */
@@ -8,6 +9,8 @@ export type CacheOptions = {
 	persistentStorage?: {storage: Storage | Database, key: string} | string;
 	/** Keep or delete cached items once expired, defaults to delete */
 	expiryPolicy?: 'delete' | 'keep';
+	/** Least Recently Used size limit */
+	sizeLimit?: number;
 }
 
 export type CachedValue<T> = T & {_expired?: boolean};
@@ -16,14 +19,15 @@ export type CachedValue<T> = T & {_expired?: boolean};
  * Map of data which tracks whether it is a complete collection & offers optional expiry of cached values
  */
 export class Cache<K extends string | number | symbol, T> {
-	private store: Record<K, T> = <any>{};
+	private _loading!: Function;
+	private store: Map<K, T> = new Map();
+	private timers: Map<K, NodeJS.Timeout> = new Map();
+	private lruOrder: K[] = [];
 
 	/** Support index lookups */
 	[key: string | number | symbol]: CachedValue<T> | any;
 	/** Whether cache is complete */
 	complete = false;
-
-	private _loading!: Function;
 	/** Await initial loading */
 	loading = new Promise<void>(r => this._loading = r);
 
@@ -43,12 +47,18 @@ export class Cache<K extends string | number | symbol, T> {
 					const persists: any = this.options.persistentStorage;
 					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}), {}));
+					for(const row of rows) this.store.set(this.getKey(row), row);
 					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 { }
+				const {storage, key} = <{storage: Storage, key: string}>this.options.persistentStorage;
+				const stored = storage.getItem(key);
+				if(stored != null) {
+					try {
+						const obj = JSON.parse(stored);
+						for(const k of Object.keys(obj)) this.store.set(<any>k, obj[k]);
+					} catch { /* ignore */ }
+				}
 				this._loading();
 			}
 		} else {
@@ -71,8 +81,8 @@ export class Cache<K extends string | number | symbol, T> {
 
 	private getKey(value: T): K {
 		if(!this.key) throw new Error('No key defined');
-		if(value[this.key] === undefined) throw new Error(`${this.key.toString()} Doesn't exist on ${JSON.stringify(value, null, 2)}`);
-		return <K>value[this.key];
+		if((value as any)[this.key] === undefined) throw new Error(`${this.key.toString()} Doesn't exist on ${JSON.stringify(value, null, 2)}`);
+		return <K>(value as any)[this.key];
 	}
 
 	private save(key?: K) {
@@ -80,28 +90,50 @@ export class Cache<K extends string | number | symbol, T> {
 		if(!!persists?.storage) {
 			if(persists.storage?.database != undefined) {
 				(<Database>persists.storage).createTable({name: persists.key, key: <string>this.key}).then(table => {
-					if(key) {
-						const value = this.get(key);
+					if(key !== undefined) {
+						const value = this.get(key, true);
 						if(value != null) table.set(value, key);
 						else table.delete(key);
 					} else {
 						table.clear();
-						this.all().forEach(row => table.add(row));
+						this.all(true).forEach(row => table.add(row));
 					}
 				});
 			} else if(persists.storage?.setItem != undefined) {
-				persists.storage.setItem(persists.storage.key, JSONSanitize(this.all(true)));
+				const obj: Record<any, any> = {};
+				for(const [k, v] of this.store.entries()) obj[k as any] = v;
+				persists.storage.setItem(persists.key, JSONSanitize(obj));
 			}
 		}
 	}
 
+	private clearTimer(key: K) {
+		const t = this.timers.get(key);
+		if(t) { clearTimeout(t); this.timers.delete(key); }
+	}
+
+	private touchLRU(key: K) {
+		if(!this.options.sizeLimit || this.options.sizeLimit <= 0) return;
+		const idx = this.lruOrder.indexOf(key);
+		if(idx >= 0) this.lruOrder.splice(idx, 1);
+		this.lruOrder.push(key);
+		while(this.lruOrder.length > (this.options.sizeLimit || 0)) {
+			const lru = this.lruOrder.shift();
+			if(lru !== undefined) this.delete(lru);
+		}
+	}
+
 	/**
 	 * Get all cached items
 	 * @return {T[]} Array of items
 	 */
 	all(expired?: boolean): CachedValue<T>[] {
-		return deepCopy<any>(Object.values(this.store)
-			.filter((v: any) => expired || !v._expired));
+		const out: CachedValue<T>[] = [];
+		for(const v of this.store.values()) {
+			const val: any = v;
+			if(expired || !val?._expired) out.push(deepCopy<any>(val));
+		}
+		return out;
 	}
 
 	/**
@@ -134,7 +166,10 @@ export class Cache<K extends string | number | symbol, T> {
 	 */
 	clear(): this {
 		this.complete = false;
-		this.store = <any>{};
+		for (const [k, t] of this.timers) clearTimeout(t);
+		this.timers.clear();
+		this.lruOrder = [];
+		this.store.clear();
 		this.save();
 		return this;
 	}
@@ -144,7 +179,10 @@ export class Cache<K extends string | number | symbol, T> {
 	 * @param {K} key Item's primary key
 	 */
 	delete(key: K): this {
-		delete this.store[key];
+		this.clearTimer(key);
+		const idx = this.lruOrder.indexOf(key);
+		if(idx >= 0) this.lruOrder.splice(idx, 1);
+		this.store.delete(key);
 		this.save(key);
 		return this;
 	}
@@ -154,8 +192,12 @@ export class Cache<K extends string | number | symbol, T> {
 	 * @return {[K, T][]} Key-value pairs array
 	 */
 	entries(expired?: boolean): [K, CachedValue<T>][] {
-		return deepCopy<any>(Object.entries(this.store)
-			.filter((v: any) => expired || !v?._expired));
+		const out: [K, CachedValue<T>][] = [];
+		for(const [k, v] of this.store.entries()) {
+			const val: any = v;
+			if(expired || !val?._expired) out.push([k, deepCopy<any>(val)]);
+		}
+		return out;
 	}
 
 	/**
@@ -165,8 +207,12 @@ 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;
-			this.save(key);
+			const v: any = this.store.get(key);
+			if(v) {
+				v._expired = true;
+				this.store.set(key, v);
+				this.save(key);
+			}
 		} else this.delete(key);
 		return this;
 	}
@@ -178,7 +224,11 @@ export class Cache<K extends string | number | symbol, T> {
 	 * @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));
+		for(const v of this.store.values()) {
+			const row: any = v;
+			if((expired || !row._expired) && includes(row, filter)) return deepCopy<any>(row);
+		}
+		return undefined;
 	}
 
 	/**
@@ -188,7 +238,10 @@ export class Cache<K extends string | number | symbol, T> {
 	 * @return {T} Cached item
 	 */
 	get(key: K, expired?: boolean): CachedValue<T> | null {
-		const cached = deepCopy<any>(this.store[key] ?? null);
+		const raw = this.store.get(key);
+		if(raw == null) return null;
+		const cached: any = deepCopy<any>(raw);
+		this.touchLRU(key);
 		if(expired || !cached?._expired) return cached;
 		return null;
 	}
@@ -198,8 +251,12 @@ export class Cache<K extends string | number | symbol, T> {
 	 * @return {K[]} Array of keys
 	 */
 	keys(expired?: boolean): K[] {
-		return <K[]>Object.keys(this.store)
-			.filter(k => expired || !(<any>this.store)[k]._expired);
+		const out: K[] = [];
+		for(const [k, v] of this.store.entries()) {
+			const val: any = v;
+			if(expired || !val?._expired) out.push(k);
+		}
+		return out;
 	}
 
 	/**
@@ -207,10 +264,11 @@ export class Cache<K extends string | number | symbol, T> {
 	 * @return {Record<K, T>}
 	 */
 	map(expired?: boolean): Record<K, CachedValue<T>> {
-		const copy: any = deepCopy(this.store);
-		if(!expired) Object.keys(copy).forEach(k => {
-			if(copy[k]._expired) delete copy[k]
-		});
+		const copy: any = {};
+		for(const [k, v] of this.store.entries()) {
+			const val: any = v;
+			if(expired || !val?._expired) copy[k as any] = deepCopy<any>(val);
+		}
 		return copy;
 	}
 
@@ -223,12 +281,17 @@ 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.clearTimer(key);
+		this.store.set(key, value);
+		this.touchLRU(key);
 		this.save(key);
-		if(ttl) setTimeout(() => {
-			this.expire(key);
-			this.save(key);
-		}, (ttl || 0) * 1000);
+		if(ttl) {
+			const t = setTimeout(() => {
+				this.expire(key);
+				this.save(key);
+			}, (ttl || 0) * 1000);
+			this.timers.set(key, t);
+		}
 		return this;
 	}
 
@@ -236,5 +299,5 @@ export class Cache<K extends string | number | symbol, T> {
 	 * Get all cached items
 	 * @return {T[]} Array of items
 	 */
-	values = this.all();
+	values = this.all
 }

src/csv.ts

@@ -1,6 +1,7 @@
 import {makeArray} from './array.ts';
 import {ASet} from './aset.ts';
-import {dotNotation, flattenObj, JSONSanitize} from './objects.ts';
+import {JSONSanitize} from './json.ts';
+import {dotNotation, flattenObj} from './objects.ts';
 import {LETTER_LIST} from './string.ts';
 
 /**

src/files.ts

@@ -1,5 +1,5 @@
 import {makeArray} from './array.ts';
-import {JSONAttemptParse} from './objects.ts';
+import {JSONAttemptParse} from './json.ts';
 import {PromiseProgress} from './promise-progress';
 import {formatDate} from './time.ts';
 

src/index.ts

@@ -9,6 +9,7 @@ export * from './files';
 export * from './emitter';
 export * from './errors';
 export * from './http';
+export * from './json';
 export * from './jwt';
 export * from './logger';
 export * from './math';

src/json.ts

@@ -0,0 +1,40 @@
+/**
+ * Parse JSON but return the original string if it fails
+ *
+ * @param {any} json JSON string to parse
+ * @param fallback Fallback value if unable to parse, defaults to original string
+ * @return {string | T} Object if successful, original string otherwise
+ */
+export function JSONAttemptParse<T1, T2>(json: T2, fallback?: T1): T1 | T2 {
+	try { return JSON.parse(<any>json); }
+	catch { return fallback ?? json; }
+}
+
+/**
+ * Stringifies objects & skips primitives
+ *
+ * @param {any} obj Object to convert to serializable value
+ * @return {string | T} Serialized value
+ */
+export function JSONSerialize<T1>(obj: T1): T1 | string {
+	if(typeof obj == 'object' && obj != null) return JSONSanitize(obj);
+	return obj;
+}
+
+/**
+ * Convert an object to a JSON string avoiding any circular references.
+ *
+ * @param obj Object to convert to JSON
+ * @param {number} space Format the JSON with spaces
+ * @return {string} JSON string
+ */
+export function JSONSanitize(obj: any, space?: number): string {
+	const cache: any[] = [];
+	return JSON.stringify(obj, (key, value) => {
+		if(typeof value === 'object' && value !== null) {
+			if(cache.includes(value)) return '[Circular]';
+			cache.push(value);
+		}
+		return value;
+	}, space);
+}

src/jwt.ts

@@ -1,4 +1,4 @@
-import {JSONAttemptParse} from './objects.ts';
+import {JSONAttemptParse} from './json.ts';
 
 /**
  * Creates a JSON Web Token (JWT) using the provided payload.

src/logger.ts

@@ -1,5 +1,5 @@
 import {TypedEmitter, TypedEvents} from './emitter';
-import {JSONSanitize} from './objects.ts';
+import {JSONSanitize} from './json.ts';
 
 export const CliEffects = {
 	CLEAR: "\x1b[0m",
@@ -42,6 +42,8 @@ export const CliBackground = {
 	GREY: "\x1b[100m",
 }
 
+export type LogLevels = 'debug' | 'log' | 'info' | 'warn' | 'error';
+
 export enum LOG_LEVEL {
 	ERROR = 0,
 	WARN = 1,

src/misc.ts

@@ -1,3 +1,4 @@
+import {LogLevels} from './logger.ts';
 import {PathEvent} from './path-events.ts';
 import {md5} from './string';
 
@@ -14,6 +15,34 @@ export function compareVersions(target: string, vs: string): -1 | 0 | 1 {
 		(tMajor < vMajor || tMinor < vMinor || tPatch < vPatch) ? -1 : 0;
 }
 
+/**
+ * Create a console object to intercept logs with optional passthrough
+ * @param {null | {debug: Function, log: Function, info: Function, warn: Function, error: Function}} out Passthrough logs, null to silence
+ * @param {{[K in LogLevels]?: LogLevels | "none"}} map Map log levels: {log: 'debug', warn: 'error'} = Suppress debug logs, elevate warnings
+ * @returns {{debug: Function, log: Function, info: Function, warn: Function, error: Function, stderr: string[], stdout: string[]}}
+ */
+export function consoleInterceptor(
+	out: null | {debug: Function, log: Function, info: Function, warn: Function, error: Function} = console,
+	map?: {[K in LogLevels]?: LogLevels | 'none'}
+): {debug: Function, log: Function, info: Function, warn: Function, error: Function, output: {debug: any[], log: any[], info: any[], warn: any[], error: any[], stderr: any[], stdout: any[]}} {
+	const logs: any = {debug: [], log: [], info: [], warn: [], error: [], stderr: [], stdout: [],}
+	const cWrapper = (type: 'debug' | 'log' | 'info' | 'warn' | 'error') => ((...args: any[]) => {
+		if(out) out[type](...args);
+		logs[type].push(...args);
+		if(type == 'error') logs.stderr.push(...args);
+		else logs.stdout.push(...args);
+	});
+	return {
+		debug: map?.debug != 'none' ? cWrapper(map?.debug || 'debug') : () => {},
+		log: map?.log != 'none' ? cWrapper(map?.log || 'log') : () => {},
+		info: map?.info != 'none' ? cWrapper(map?.info || 'info') : () => {},
+		warn: map?.warn != 'none' ? cWrapper(map?.warn || 'warn') : () => {},
+		error: map?.error != 'none' ? cWrapper(map?.error || 'error') : () => {},
+		output: logs
+	}
+}
+
+
 /**
  * Escape any regex special characters to avoid misinterpretation during search
  * @param {string} value String which should be escaped

src/objects.ts

@@ -1,22 +1,29 @@
+import {JSONSanitize} from './json.ts';
+
 export type Delta = { [key: string]: any | Delta | null };
 
 /**
- * Applies deltas in order to modify `target`.
- * @param base - Original
- * @param deltas - List of deltas to apply
+ * Applies deltas to `target`.
+ * @param base starting point
+ * @param deltas List of deltas to apply
  * @returns Mutated target
  */
-export function applyDelta(base: any, deltas: any): any {
-	if(deltas === null) return null;
-	if(typeof base !== 'object' || base === null) return deltas === undefined ? base : deltas;
-	const result = Array.isArray(base) ? [...base] : { ...base };
-	for(const key in deltas) {
-		const val = deltas[key];
-		if (val === undefined) delete result[key];
-		else if (typeof val === 'object' && val !== null && !(Array.isArray(val))) result[key] = applyDelta(result[key], val);
-		else result[key] = val;
+export function applyDeltas(base: any, ...deltas: any[]): any {
+	function applyDelta(base: any, delta: any): any {
+		if(delta === null) return null;
+		if(typeof base !== 'object' || base === null) return delta === undefined ? base : delta;
+		const result = Array.isArray(base) ? [...base] : { ...base };
+		for(const key in delta) {
+			const val = delta[key];
+			if(val === undefined) delete result[key];
+			else if(typeof val === 'object' && val !== null && !Array.isArray(val)) result[key] = applyDelta(result[key], val);
+			else result[key] = val;
+		}
+		return result;
 	}
-	return result;
+
+	for(const d of deltas.flat()) base = applyDelta(base, d?.delta ?? d);
+	return base;
 }
 
 /**
@@ -34,7 +41,7 @@ export function calcDelta(old: any, updated: any): any {
 		const newVal = updated?.[key];
 		if(isObj(oldVal) && isObj(newVal)) {
 			const nested = calcDelta(oldVal, newVal);
-			if (nested !== null && Object.keys(nested).length > 0) delta[key] = nested;
+			if(nested !== null && Object.keys(nested).length > 0) delta[key] = nested;
 		} else if(JSON.stringify(oldVal) !== JSON.stringify(newVal)) {
 			delta[key] = newVal;
 		}
@@ -288,41 +295,12 @@ export function mixin(target: any, constructors: any[]) {
 }
 
 /**
- * Parse JSON but return the original string if it fails
- *
- * @param {any} json JSON string to parse
- * @return {string | T} Object if successful, original string otherwise
+ * Run a map function on each property
+ * @param obj Object that will be iterated
+ * @param {(key: string, value: any) => any} fn Transformer function - receives key & value
+ * @returns {{}}
  */
-export function JSONAttemptParse<T1, T2>(json: T2): T1 | T2 {
-	try { return JSON.parse(<any>json); }
-	catch { return json; }
-}
-
-/**
- * Stringifies objects & skips primitives
- *
- * @param {any} obj Object to convert to serializable value
- * @return {string | T} Serialized value
- */
-export function JSONSerialize<T1>(obj: T1): T1 | string {
-	if(typeof obj == 'object' && obj != null) return JSONSanitize(obj);
-	return obj;
-}
-
-/**
- * Convert an object to a JSON string avoiding any circular references.
- *
- * @param obj Object to convert to JSON
- * @param {number} space Format the JSON with spaces
- * @return {string} JSON string
- */
-export function JSONSanitize(obj: any, space?: number): string {
-	const cache: any[] = [];
-	return JSON.stringify(obj, (key, value) => {
-		if (typeof value === 'object' && value !== null) {
-			if (cache.includes(value)) return '[Circular]';
-			cache.push(value);
-		}
-		return value;
-	}, space);
+export function objectMap<T>(obj: any, fn: (key: string, value: any) => any): T {
+	return <any>Object.entries(obj).map(([key, value]: [string, any]) => [key, fn(key, value)])
+		.reduce((acc, [key, value]) => ({ ...acc, [key]: value }), {});
 }

src/search.ts

@@ -1,4 +1,5 @@
-import {dotNotation, JSONAttemptParse, JSONSerialize} from './objects.ts';
+import {JSONAttemptParse, JSONSerialize} from './json.ts';
+import {dotNotation} from './objects.ts';
 
 /**
  * Filters an array of objects based on a search term and optional regex checking.

src/time.ts

@@ -1,5 +1,3 @@
-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
@@ -34,6 +32,50 @@ export function dayOfYear(date: Date): number {
 /**
  * Format date
  *
+ * Year:
+ * - YYYY = 2025 (4-digit year)
+ * - YY = 25 (2-digit year)
+ *
+ * Month:
+ * - MMMM = January (full month name)
+ * - MMM = Jan (abbreviated month name)
+ * - MM = 01 (zero-padded month number)
+ * - M = 1 (month number)
+ *
+ * Day:
+ * - DDD = 123 (day of year)
+ * - DD = 01 (zero-padded day)
+ * - Do = 1st (day with ordinal suffix)
+ * - D = 1 (day number)
+ * - dddd = Monday (full day name)
+ * - ddd = Mon (abbreviated day name)
+ *
+ * Hour:
+ * - HH = 13 (24-hour format, zero-padded)
+ * - H = 13 (24-hour format)
+ * - hh = 01 (12-hour format, zero-padded)
+ * - h = 1 (12-hour format)
+ *
+ * Minute:
+ * - mm = 05 (zero-padded minutes)
+ * - m = 5 (minutes)
+ *
+ * Second:
+ * - ss = 09 (zero-padded seconds)
+ * - s = 9 (seconds)
+ *
+ * Millisecond:
+ * - SSS = 123 (3-digit milliseconds)
+ *
+ * AM/PM:
+ * - A = AM/PM (uppercase)
+ * - a = am/pm (lowercase)
+ *
+ * Timezone:
+ * - ZZ = +0500 (timezone offset without colon)
+ * - Z = +05:00 (timezone offset with colon)
+ * - z = EST (timezone abbreviation)
+ *
  * @param {string} format How date string will be formatted, default: `YYYY-MM-DD H:mm A`
  * @param {Date | number | string} date Date or timestamp, defaults to now
  * @param tz Set timezone offset
@@ -55,23 +97,46 @@ export function formatDate(format: string = 'YYYY-MM-DD H:mm', date: Date | numb
 	}
 
 	let zonedDate = new Date(date);
+	let get: (fn: 'FullYear' | 'Month' | 'Date' | 'Day' | 'Hours' | 'Minutes' | 'Seconds' | 'Milliseconds') => number;
+	const partsMap: Record<string, string> = {};
 	if (!numericTz && tzName !== 'UTC') {
 		const parts = new Intl.DateTimeFormat('en-US', {
 			timeZone: tzName,
-			year: 'numeric', month: '2-digit', day: '2-digit',
+			year: 'numeric', month: '2-digit', day: '2-digit', weekday: 'long',
 			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') {
+		parts.forEach(p => {
+			partsMap[p.type] = p.value;
+		});
+
+		const monthValue = parseInt(partsMap.month) - 1;
+		const dayOfWeekValue = new Date(`${partsMap.year}-${partsMap.month}-${partsMap.day}`).getDay();
+		const hourValue = parseInt(partsMap.hour);
+
+		get = (fn: 'FullYear' | 'Month' | 'Date' | 'Day' | 'Hours' | 'Minutes' | 'Seconds' | 'Milliseconds'): number => {
+			switch (fn) {
+				case 'FullYear': return parseInt(partsMap.year);
+				case 'Month': return monthValue;
+				case 'Date': return parseInt(partsMap.day);
+				case 'Day': return dayOfWeekValue;
+				case 'Hours': return hourValue;
+				case 'Minutes': return parseInt(partsMap.minute);
+				case 'Seconds': return parseInt(partsMap.second);
+				default: return 0;
+			}
+		};
+	} else {
 		const offset = numericTz ? tz as number : 0;
 		zonedDate = new Date(date.getTime() + offset * 60 * 60 * 1000);
+		get = (fn: 'FullYear' | 'Month' | 'Date' | 'Day' | 'Hours' | 'Minutes' | 'Seconds' | 'Milliseconds'): number => zonedDate[`getUTC${fn}`]();
 	}
 
-	const get = (fn: 'FullYear' | 'Month' | 'Date' | 'Day' | 'Hours' | 'Minutes' | 'Seconds' | 'Milliseconds') =>
-		(numericTz || tzName === 'UTC') ? zonedDate[`getUTC${fn}`]() : zonedDate[`get${fn}`]();
+	function numSuffix(n: number): string {
+		const s = ["th", "st", "nd", "rd"];
+		const v = n % 100;
+		return n + (s[(v - 20) % 10] || s[v] || s[0]);
+	}
 
 	function getTZOffset(): string {
 		if (numericTz) {
@@ -119,7 +184,7 @@ export function formatDate(format: string = 'YYYY-MM-DD H:mm', date: Date | numb
 		m: get('Minutes').toString(),
 		ss: get('Seconds').toString().padStart(2, '0'),
 		s: get('Seconds').toString(),
-		SSS: get('Milliseconds').toString().padStart(3, '0'),
+		SSS: (zonedDate[`getUTC${'Milliseconds'}`]()).toString().padStart(3, '0'),
 		A: get('Hours') >= 12 ? 'PM' : 'AM',
 		a: get('Hours') >= 12 ? 'pm' : 'am',
 		ZZ: getTZOffset().replace(':', ''),

tests/cache.spec.ts

@@ -3,14 +3,16 @@ import { Cache } from '../src';
 describe('Cache', () => {
 	type TestItem = { id: string; value: string };
 
-	let cache: Cache<string, TestItem>;
+	let cache: Cache<string | symbol, TestItem>;
 	let storageMock: Storage;
 	let storageGetItemSpy: jest.SpyInstance;
 	let storageSetItemSpy: jest.SpyInstance;
 
 	beforeEach(() => {
+		jest.useFakeTimers();
+
 		storageMock = {
-			constructor: {name: 'Storage' as any},
+			constructor: { name: 'Storage' as any },
 			getItem: jest.fn(),
 			setItem: jest.fn(),
 			removeItem: jest.fn(),
@@ -23,11 +25,15 @@ describe('Cache', () => {
 		storageGetItemSpy = jest.spyOn(storageMock, 'getItem');
 		storageSetItemSpy = jest.spyOn(storageMock, 'setItem');
 
-		cache = new Cache<string, TestItem>('id', {
+		cache = new Cache<string | symbol, TestItem>('id', {
 			persistentStorage: { storage: storageMock, key: 'cache' },
 		});
+
 		jest.clearAllMocks();
-		jest.useFakeTimers();
+	});
+
+	afterEach(() => {
+		jest.useRealTimers();
 	});
 
 	it('adds and gets an item', () => {
@@ -58,10 +64,12 @@ describe('Cache', () => {
 		expect(storageSetItemSpy).toHaveBeenCalled();
 	});
 
-	it('clears the cache', () => {
-		cache.add({ id: '1', value: 'test' });
+	it('clears the cache & cancels TTL timers', () => {
+		cache.set('1', { id: '1', value: 'x' }, 1);
 		cache.clear();
-		expect(cache.get('1')).toBeNull();
+		// Even after timers advance, nothing should appear or throw
+		jest.advanceTimersByTime(1500);
+		expect(cache.get('1', true)).toBeNull();
 		expect(cache.complete).toBe(false);
 	});
 
@@ -75,7 +83,7 @@ describe('Cache', () => {
 		expect(cache.complete).toBe(true);
 	});
 
-	it('returns correct keys, entries, and map', () => {
+	it('returns correct keys, entries, map, and values()', () => {
 		cache.add({ id: 'x', value: 'foo' });
 		cache.add({ id: 'y', value: 'bar' });
 		expect(cache.keys().sort()).toEqual(['x', 'y']);
@@ -83,6 +91,8 @@ describe('Cache', () => {
 		const m = cache.map();
 		expect(Object.keys(m)).toEqual(expect.arrayContaining(['x', 'y']));
 		expect(m['x'].value).toBe('foo');
+		// CHANGE: values() was a snapshot field before; now it’s a method
+		expect(cache.values().map(v => v.id).sort()).toEqual(['x', 'y']);
 	});
 
 	it('persists and restores from storage', () => {
@@ -93,6 +103,8 @@ describe('Cache', () => {
 			persistentStorage: { storage: storageMock, key: 'cache' },
 		});
 		expect(c.get('z')).toEqual({ id: 'z', value: 'from-storage' });
+		// ensure it used the right storage key
+		expect(storageGetItemSpy).toHaveBeenCalledWith('cache');
 	});
 
 	it('expiryPolicy "delete" removes expired items completely', () => {
@@ -112,20 +124,71 @@ describe('Cache', () => {
 		expect(val && val._expired).toBe(true);
 	});
 
-	// Uncomment and adapt this test if TTL/expiry timers are supported by your implementation
-	// it('expires and deletes items after TTL', () => {
-	//   jest.useFakeTimers();
-	//   cache = new Cache<string, TestItem>('id', { ttl: 0.01 });
-	//   cache.add({ id: 'ttl1', value: 'temp' });
-	//   jest.advanceTimersByTime(100);
-	//   expect(cache.get('ttl1')).toBeNull();
-	// });
+	it('TTL expiration deletes by default', () => {
+		cache.add({ id: 'ttl1', value: 'tick' }, 1);
+		jest.advanceTimersByTime(999);
+		expect(cache.get('ttl1')).toEqual({ id: 'ttl1', value: 'tick' });
+		jest.advanceTimersByTime(2);
+		expect(cache.get('ttl1')).toBeNull();
+	});
 
-	// Edge: add error handling test
-	it('throws if instantiating with invalid key property', () => {
-		expect(() => {
-			const invalid = new Cache<'string', TestItem>('id');
-			// try invalid.add({id: 'z', value: 'fail'}) if needed
-		}).not.toThrow();
+	it('TTL overwrite cancels previous timer', () => {
+		cache.add({ id: 'ow', value: 'v1' }, 1);
+		jest.advanceTimersByTime(500);
+		cache.add({ id: 'ow', value: 'v2' }, 1);
+		jest.advanceTimersByTime(600);
+		expect(cache.get('ow')).toEqual({ id: 'ow', value: 'v2' });
+		jest.advanceTimersByTime(500);
+		expect(cache.get('ow')).toBeNull();
+	});
+
+	it('find() returns first match respecting expired flag', () => {
+		cache.options.expiryPolicy = 'keep';
+		cache.add({ id: 'f1', value: 'hello' });
+		cache.add({ id: 'f2', value: 'world' });
+		cache.expire('f1');
+		expect(cache.find({ value: 'hello' })).toBeUndefined();
+		expect(cache.find({ value: 'hello' }, true)).toEqual({ id: 'f1', value: 'hello', _expired: true });
+	});
+
+	it('symbol keys are supported when using set/get directly', () => {
+		const s = Symbol('k');
+		// NOTE: can’t use add() without a primary key; set works fine
+		cache.set(s, { id: 'sym', value: 'ok' });
+		expect(cache.get(s as any)).toEqual({ id: 'sym', value: 'ok' });
+		// ensure keys() includes the symbol
+		const keys = cache.keys(true);
+		expect(keys.includes(s as any)).toBe(true);
+	});
+
+	it('LRU: evicts least-recently-used when over capacity', () => {
+		const lruCache = new Cache<string, TestItem>('id', {
+			sizeLimit: 2,
+			persistentStorage: { storage: storageMock, key: 'cache' },
+		});
+
+		lruCache.add({ id: 'A', value: '1' });
+		lruCache.add({ id: 'B', value: '2' });
+		// touch A to make it MRU
+		expect(lruCache.get('A')).toEqual({ id: 'A', value: '1' });
+		// add C → should evict least-recently-used (B)
+		lruCache.add({ id: 'C', value: '3' });
+
+		expect(lruCache.get('B')).toBeNull();
+		expect(lruCache.get('A')).toEqual({ id: 'A', value: '1' });
+		expect(lruCache.get('C')).toEqual({ id: 'C', value: '3' });
+	});
+
+	it('delete() removes from LRU and cancels timer', () => {
+		const lruCache = new Cache<string, TestItem>('id', { sizeLimit: 2 });
+		lruCache.set('A', { id: 'A', value: '1' }, 1);
+		lruCache.delete('A');
+		jest.advanceTimersByTime(1200);
+		expect(lruCache.get('A', true)).toBeNull();
+	});
+
+	it('throws when adding item missing the primary key', () => {
+		const c = new Cache<'id', any>('id');
+		expect(() => c.add({ nope: 'missing' } as any)).toThrow(/Doesn't exist/);
 	});
 });

tests/json.spec.ts

@@ -0,0 +1,33 @@
+import {JSONAttemptParse, JSONSanitize, JSONSerialize} from '../src';
+
+describe('JSON Utilities', () => {
+	describe('JSONAttemptParse', () => {
+		it('parses valid JSON', () => {
+			expect(JSONAttemptParse('{"a":1}')).toEqual({ a: 1 });
+		});
+		it('returns original string on error', () => {
+			expect(JSONAttemptParse('not json')).toBe('not json');
+		});
+	});
+
+	describe('JSONSerialize', () => {
+		it('serializes objects', () => {
+			expect(JSONSerialize({ a: 1 })).toBe(JSON.stringify({ a: 1 }));
+		});
+		it('leaves primitives as is', () => {
+			expect(JSONSerialize('test')).toBe('test');
+			expect(JSONSerialize(123)).toBe(123);
+		});
+	});
+
+	describe('JSONSanitize', () => {
+		it('stringifies objects', () => {
+			expect(JSONSanitize({ a: 1 })).toBe(JSON.stringify({ a: 1 }));
+		});
+		it('does not throw on circular refs', () => {
+			const obj: any = {};
+			obj.self = obj;
+			expect(() => JSONSanitize(obj)).not.toThrow();
+		});
+	});
+});

tests/object.spec.ts

@@ -1,6 +1,5 @@
 import {
 	clean, deepCopy, deepMerge, dotNotation, encodeQuery, flattenObj, formData, includes, isEqual, mixin,
-	JSONAttemptParse, JSONSerialize, JSONSanitize
 } from '../src';
 
 describe('Object utilities', () => {
@@ -131,34 +130,4 @@ describe('Object utilities', () => {
 			expect(c.bar()).toBe(2);
 		});
 	});
-
-	describe('JSONAttemptParse', () => {
-		it('parses valid JSON', () => {
-			expect(JSONAttemptParse('{"a":1}')).toEqual({ a: 1 });
-		});
-		it('returns original string on error', () => {
-			expect(JSONAttemptParse('not json')).toBe('not json');
-		});
-	});
-
-	describe('JSONSerialize', () => {
-		it('serializes objects', () => {
-			expect(JSONSerialize({ a: 1 })).toBe(JSON.stringify({ a: 1 }));
-		});
-		it('leaves primitives as is', () => {
-			expect(JSONSerialize('test')).toBe('test');
-			expect(JSONSerialize(123)).toBe(123);
-		});
-	});
-
-	describe('JSONSanitize', () => {
-		it('stringifies objects', () => {
-			expect(JSONSanitize({ a: 1 })).toBe(JSON.stringify({ a: 1 }));
-		});
-		it('does not throw on circular refs', () => {
-			const obj: any = {};
-			obj.self = obj;
-			expect(() => JSONSanitize(obj)).not.toThrow();
-		});
-	});
 });