ws - npm Package Compare versions

Comparing version 7.2.0 to 7.2.1

lib/permessage-deflate.js

 'use strict';
 
-const Limiter = require('async-limiter');
 const zlib = require('zlib');
 
 const bufferUtil = require('./buffer-util');
+const Limiter = require('./limiter');
 const { kStatusCode, NOOP } = require('./constants');
 
 const TRAILER = Buffer.from([0x00, 0x00, 0xff, 0xff]);
-const EMPTY_BLOCK = Buffer.from([0x00]);
-
 const kPerMessageDeflate = Symbol('permessage-deflate');
@@ -69,3 +67,3 @@ const kTotalLength = Symbol('total-length');
           : 10;
-      zlibLimiter = new Limiter({ concurrency });
+      zlibLimiter = new Limiter(concurrency);
     }
@@ -292,3 +290,3 @@ }
   /**
-   * Decompress data. Concurrency limited by async-limiter.
+   * Decompress data. Concurrency limited.
    *
@@ -301,3 +299,3 @@ * @param {Buffer} data Compressed data
   decompress(data, fin, callback) {
-    zlibLimiter.push((done) => {
+    zlibLimiter.add((done) => {
       this._decompress(data, fin, (err, result) => {
@@ -311,3 +309,3 @@ done();
   /**
-   * Compress data. Concurrency limited by async-limiter.
+   * Compress data. Concurrency limited.
    *
@@ -320,3 +318,3 @@ * @param {Buffer} data Data to compress
   compress(data, fin, callback) {
-    zlibLimiter.push((done) => {
+    zlibLimiter.add((done) => {
       this._compress(data, fin, (err, result) => {
@@ -401,7 +399,2 @@ done();
   _compress(data, fin, callback) {
-    if (!data || data.length === 0) {
-      process.nextTick(callback, null, EMPTY_BLOCK);
-      return;
-    }
-
     const endpoint = this._isServer ? 'server' : 'client';
@@ -408,0 +401,0 @@

package.json

 {
   "name": "ws",
-  "version": "7.2.0",
+  "version": "7.2.1",
   "description": "Simple to use, blazing fast and thoroughly tested websocket client and server for Node.js",
@@ -20,2 +20,5 @@ "keywords": [
   "browser": "browser.js",
+  "engines": {
+    "node": ">=8.3.0"
+  },
   "files": [
@@ -31,5 +34,14 @@ "browser.js",
   },
-  "dependencies": {
-    "async-limiter": "^1.0.0"
+  "peerDependencies": {
+    "bufferutil": "^4.0.1",
+    "utf-8-validate": "^5.0.2"
   },
+  "peerDependenciesMeta": {
+    "bufferutil": {
+      "optional": true
+    },
+    "utf-8-validate": {
+      "optional": true
+    }
+  },
   "devDependencies": {
@@ -36,0 +48,0 @@ "benchmark": "^2.1.4",

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Improved metrics

Total package byte prevSize

108109

increased by0.93%

Number of package files

17

increased by6.25%

Lines of code

3027

increased by1.41%

Worsened metrics

Dependency count

2

increased by100%

Dependency changes

• + Addedbufferutil@4.0.8(transitive)

• + Addednode-gyp-build@4.8.2(transitive)

• + Addedutf-8-validate@5.0.10(transitive)

• - Removedasync-limiter@^1.0.0

• - Removedasync-limiter@1.0.1(transitive)