ttl-mem-cache - npm Package Compare versions

Comparing version 1.0.0 to 1.0.1

benchmark/cache.js

@@ -1,2 +0,2 @@
-'use strict'
+'use strict';
 
@@ -8,5 +8,5 @@ const benchmark = require('benchmark');
 
-function add(name, fn) {
+const add = (name, fn) => {
     suite.add(name, fn);
-}
+};
 
@@ -23,7 +23,7 @@
 add('.set()', () => {
-    cache1.set('key' + (cache1Counter++), 'value');
+    cache1.set(`key${cache1Counter++}`, 'value');
 });
 
 add('.set(maxAge)', () => {
-    cache1.set('key' + (cache1Counter++), 'value', 3600000);
+    cache1.set(`key${cache1Counter++}`, 'value', 3600000);
 });
@@ -41,7 +41,7 @@
 for (let i = 0; i < 10000; i++) {
-    cache2.set('key' + i, 'value');
+    cache2.set(`key${i}`, 'value');
 }
 
 add('.get()', () => {
-    cache2.get('key' + (cache2Counter++) % 10000);
+    cache2.get(`key${(cache2Counter++) % 10000}`);
 });
@@ -56,6 +56,5 @@
 const cache3 = new Cache();
-let cache3Counter = 0;
 
 for (let i = 0; i < 10000; i++) {
-    cache3.set('key' + i, 'value');
+    cache3.set(`key${i}`, 'value');
 }
@@ -69,6 +68,5 @@
 const cache4 = new Cache();
-let cache4Counter = 0;
 
 for (let i = 0; i < 10000; i++) {
-    cache4.set('key' + i, 'value');
+    cache4.set(`key${i}`, 'value');
 }
@@ -85,7 +83,8 @@
 suite
-  .on('cycle', (event) => {
-    console.log(String(event.target))
-    if (event.target.error)
-      console.error(event.target.error)
-  })
-  .run()
+    .on('cycle', (event) => {
+        console.log(event.target.toString());
+        if (event.target.error) {
+            console.error(event.target.error);
+        }
+    })
+    .run();

lib/cache.js

@@ -5,4 +5,2 @@ 'use strict';
 
-
-
 module.exports = class Cache extends stream.Duplex {
@@ -40,3 +38,3 @@ constructor({ maxAge = 5 * 60 * 1000 } = {}) {
 
-        const expires = Date.now() + (maxAge ? maxAge : this.maxAge);
+        const expires = Date.now() + (maxAge || this.maxAge);
         this.store.set(key, { value, expires });
@@ -48,3 +46,3 @@ this.emit('set', { key, value });
     del(key) {
-        const item = this.store.delete(key);
+        this.store.delete(key);
         this.emit('dispose', key);
@@ -63,3 +61,3 @@ return undefined;
                     arr.push(mutator({
-                        key: key,
+                        key,
                         value: item.value
@@ -69,3 +67,3 @@ }));
                     arr.push({
-                        key: key,
+                        key,
                         value: item.value
@@ -82,2 +80,11 @@ });
 
+    prune() {
+        const now = Date.now();
+        this.store.forEach((item, key) => {
+            if (!this.constructor._validate(item, now)) {
+                this.del(key);
+            }
+        });
+    }
+
     _write(obj, enc, next) {
@@ -95,13 +102,12 @@ if (obj.key && obj.value) {
         this.emit('error', new Error('Object does not contain a "key" property or the value for "key" is null or undefined'));
-        next();
-
+        return next();
     }
 
-    _read(size) {
+    _read() {
         // "push" happens on "set" event in constructor
     }
 
-    static _validate(item = {expires: 0}, now = Date.now()) {
+    static _validate(item = { expires: 0 }, now = Date.now()) {
         return (item.expires > now);
     }
 };

package.json

 {
   "name": "ttl-mem-cache",
-  "version": "1.0.0",
-  "description": "",
+  "version": "1.0.1",
+  "description": "A in memory time to live cache with streaming support.",
   "main": "lib/cache.js",
@@ -10,4 +10,5 @@ "directories": {
   "scripts": {
+    "bench": "node benchmark/cache.js",
     "test": "tap test/*.js",
-    "bench": "node benchmark/cache.js"
+    "lint": "eslint ."
   },
@@ -19,3 +20,6 @@ "repository": {
   "keywords": [
-    "cache"
+    "cache",
+    "ttl",
+    "time to live",
+    "performance"
   ],
@@ -29,2 +33,5 @@ "author": "Trygve Lie",
   "devDependencies": {
+    "eslint": "4.7.0",
+    "eslint-config-airbnb-base": "12.0.0",
+    "eslint-plugin-import": "2.7.0",
     "benchmark": "2.1.4",
@@ -31,0 +38,0 @@ "lolex": "2.1.2",

README.md

@@ -158,3 +158,8 @@ # ttl-mem-cache
 
+### .prune()
 
+Iterates over all items in the cache and proactively prunes expired items.
+
+
+
 ## Events
@@ -161,0 +166,0 @@

New alerts

License Policy Violation

License

This package is not allowed per your license policy. Review the package's license to ensure compliance.

Found 1 instance in 1 package

Fixed alerts

License Policy Violation

License

This package is not allowed per your license policy. Review the package's license to ensure compliance.

Found 1 instance in 1 package

Improved metrics

Total package byte prevSize

25065

increased by2.1%

Number of package files

8

increased by14.29%

Lines of code

146

increased by5.04%

Number of lines in readme file

327

increased by1.55%

Worsened metrics

Dev dependency count

6

increased by100%

No dependency changes