Moving has() into the class and into the README.md (want interop wi…

…th common primitives), adding `entries()` & `values()`, & adding tests

Updating README.md

.eslintrc

@@ -15,7 +15,8 @@
 		"after": true,
 		"before": true,
 		"beforeEach": true,
-		"expect": true
+		"expect": true,
+		"Iterator": true
 	},
 	"rules": {
 		"arrow-parens": [2, "as-needed"],

README.md

@@ -44,6 +44,20 @@ Removes item from cache
 cache.delete("myKey");
 ```
 
+## entries(*["key1", "key2"]*)
+### Method
+
+Returns an `Array` cache items
+
+    param  {Array} keys (Optional) Cache item keys to get
+	return {Object} LRU instance
+
+**Example**
+
+```javascript
+cache.entries(['myKey1', 'myKey2']);
+```
+
 ## evict
 ### Method
 
@@ -98,6 +112,19 @@ Gets cached item and moves it to the front
 const item = cache.get("myKey");
 ```
 
+## has
+### Method
+
+Returns a `Boolean` indicating if `key` is in cache
+
+	return {Object} LRU instance
+
+**Example**
+
+```javascript
+cache.has('myKey');
+```
+
 ## keys
 ### Method
 
@@ -191,6 +218,20 @@ const cache = lru();
 cache.ttl = 3e4;
 ```
 
+## values(*["key1", "key2"]*)
+### Method
+
+Returns an `Array` cache items
+
+	param  {Array} keys (Optional) Cache item keys to get
+	return {Array} Cache items
+
+**Example**
+
+```javascript
+cache.values(['abc', 'def']);
+```
+
 ## License
 Copyright (c) 2023 Jason Mulligan
 Licensed under the BSD-3 license.

dist/tiny-lru.cjs

@@ -3,14 +3,10 @@
  *
  * @copyright 2023 Jason Mulligan <jason.mulligan@avoidwork.com>
  * @license BSD-3-Clause
- * @version 11.0.1
+ * @version 11.1.0
  */
 'use strict';
 
-function has (items, key) {
-	return key in items;
-}
-
 class LRU {
 	constructor (max = 0, ttl = 0, resetTtl = false) {
 		this.first = null;
@@ -32,7 +28,7 @@ class LRU {
 	}
 
 	delete (key) {
-		if (has(this.items, key)) {
+		if (this.has(key)) {
 			const item = this.items[key];
 
 			delete this.items[key];
@@ -58,6 +54,10 @@ class LRU {
 		return this;
 	}
 
+	entries (keys = this.keys()) {
+		return keys.map(key => [key, this.get(key)]);
+	}
+
 	evict (bypass = false) {
 		if (bypass || this.size > 0) {
 			const item = this.first;
@@ -79,7 +79,7 @@ class LRU {
 	expiresAt (key) {
 		let result;
 
-		if (has(this.items, key)) {
+		if (this.has(key)) {
 			result = this.items[key].expiry;
 		}
 
@@ -89,7 +89,7 @@ class LRU {
 	get (key) {
 		let result;
 
-		if (has(this.items, key)) {
+		if (this.has(key)) {
 			const item = this.items[key];
 
 			if (this.ttl > 0 && item.expiry <= Date.now()) {
@@ -103,14 +103,18 @@ class LRU {
 		return result;
 	}
 
+	has (key) {
+		return key in this.items;
+	}
+
 	keys () {
 		return Object.keys(this.items);
 	}
 
 	set (key, value, bypass = false, resetTtl = this.resetTtl) {
 		let item;
 
-		if (bypass || has(this.items, key)) {
+		if (bypass || this.has(key)) {
 			item = this.items[key];
 			item.value = value;
 
@@ -163,6 +167,10 @@ class LRU {
 
 		return this;
 	}
+
+	values (keys = this.keys()) {
+		return keys.map(key => this.get(key));
+	}
 }
 
 function lru (max = 1000, ttl = 0, resetTtl = false) {

dist/tiny-lru.js

@@ -3,11 +3,9 @@
  *
  * @copyright 2023 Jason Mulligan <jason.mulligan@avoidwork.com>
  * @license BSD-3-Clause
- * @version 11.0.1
+ * @version 11.1.0
  */
-function has (items, key) {
-	return key in items;
-}class LRU {
+class LRU {
 	constructor (max = 0, ttl = 0, resetTtl = false) {
 		this.first = null;
 		this.items = Object.create(null);
@@ -28,7 +26,7 @@ function has (items, key) {
 	}
 
 	delete (key) {
-		if (has(this.items, key)) {
+		if (this.has(key)) {
 			const item = this.items[key];
 
 			delete this.items[key];
@@ -54,6 +52,10 @@ function has (items, key) {
 		return this;
 	}
 
+	entries (keys = this.keys()) {
+		return keys.map(key => [key, this.get(key)]);
+	}
+
 	evict (bypass = false) {
 		if (bypass || this.size > 0) {
 			const item = this.first;
@@ -75,7 +77,7 @@ function has (items, key) {
 	expiresAt (key) {
 		let result;
 
-		if (has(this.items, key)) {
+		if (this.has(key)) {
 			result = this.items[key].expiry;
 		}
 
@@ -85,7 +87,7 @@ function has (items, key) {
 	get (key) {
 		let result;
 
-		if (has(this.items, key)) {
+		if (this.has(key)) {
 			const item = this.items[key];
 
 			if (this.ttl > 0 && item.expiry <= Date.now()) {
@@ -99,14 +101,18 @@ function has (items, key) {
 		return result;
 	}
 
+	has (key) {
+		return key in this.items;
+	}
+
 	keys () {
 		return Object.keys(this.items);
 	}
 
 	set (key, value, bypass = false, resetTtl = this.resetTtl) {
 		let item;
 
-		if (bypass || has(this.items, key)) {
+		if (bypass || this.has(key)) {
 			item = this.items[key];
 			item.value = value;
 
@@ -159,6 +165,10 @@ function has (items, key) {
 
 		return this;
 	}
+
+	values (keys = this.keys()) {
+		return keys.map(key => this.get(key));
+	}
 }
 
 function lru (max = 1000, ttl = 0, resetTtl = false) {