cacheable-lookup - npm Package Compare versions

Comparing version 3.0.0 to 3.1.0

index.d.ts

@@ -94,2 +94,6 @@ import Keyv = require('keyv');
 	/**
+	 * Removes outdated entries.
+	 */
+	tick(): void;
+	/**
 	 * Attaches itself to an Agent instance.
@@ -96,0 +100,0 @@ */

index.js

@@ -8,3 +8,3 @@ 'use strict';
 
-const kCacheableLookupData = Symbol('cacheableLookupData');
+const kCacheableLookupCreateConnection = Symbol('cacheableLookupCreateConnection');
 const kCacheableLookupInstance = Symbol('cacheableLookupInstance');
@@ -76,2 +76,7 @@
 
+	delete(key) {
+		this.values.delete(key);
+		this.expiries.delete(key);
+	}
+
 	clear() {
@@ -105,2 +110,3 @@ this.values.clear();
 		this._iface = getIfaceInfo();
+		this._tickLocked = false;
 
@@ -233,10 +239,30 @@ this.lookup = this.lookup.bind(this);
 
+	tick() {
+		if (this._tickLocked) {
+			return;
+		}
+
+		const now = Date.now();
+
+		for (const [hostname, expiry] of this._cache.expiries) {
+			if (now > expiry) {
+				this._cache.delete(hostname);
+			}
+		}
+
+		this._tickLocked = true;
+
+		setTimeout(() => {
+			this._tickLocked = false;
+		}, 1000).unref();
+	}
+
 	install(agent) {
 		verifyAgent(agent);
 
-		if (kCacheableLookupData in agent) {
+		if (kCacheableLookupCreateConnection in agent) {
 			throw new Error('CacheableLookup has been already installed');
 		}
 
-		agent[kCacheableLookupData] = agent.createConnection;
+		agent[kCacheableLookupCreateConnection] = agent.createConnection;
 		agent[kCacheableLookupInstance] = this;
@@ -247,5 +273,8 @@
 				options.lookup = this.lookup;
+
+				// Make sure the database is up to date
+				this.tick();
 			}
 
-			return agent[kCacheableLookupData](options, callback);
+			return agent[kCacheableLookupCreateConnection](options, callback);
 		};
@@ -257,3 +286,3 @@ }
 
-		if (agent[kCacheableLookupData]) {
+		if (agent[kCacheableLookupCreateConnection]) {
 			if (agent[kCacheableLookupInstance] !== this) {
@@ -263,5 +292,5 @@ throw new Error('The agent is not owned by this CacheableLookup instance');
 
-			agent.createConnection = agent[kCacheableLookupData];
+			agent.createConnection = agent[kCacheableLookupCreateConnection];
 
-			delete agent[kCacheableLookupData];
+			delete agent[kCacheableLookupCreateConnection];
 			delete agent[kCacheableLookupInstance];
@@ -268,0 +297,0 @@ }

package.json

 {
   "name": "cacheable-lookup",
-  "version": "3.0.0",
+  "version": "3.1.0",
   "description": "A cacheable dns.lookup(…) that respects the TTL",
@@ -5,0 +5,0 @@ "engines": {

README.md

@@ -159,2 +159,6 @@ # cacheable-lookup
 
+#### tick()
+
+Removes outdated entries.
+
 #### updateInterfaceInfo()
@@ -161,0 +165,0 @@

New alerts

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License

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Found 1 instance in 1 package

Fixed alerts

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License

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Found 1 instance in 1 package

Improved metrics

Total package byte prevSize

18694

increased by3.68%

Lines of code

339

increased by8.31%

Number of lines in readme file

206

increased by1.98%

No dependency changes