cross-sha256 - npm Package Compare versions

Comparing version 1.1.2 to 1.2.0

CHANGELOG.md

@@ -0,1 +1,8 @@
+# [1.2.0](https://github.com/zone117x/cross-sha256/compare/v1.1.2...v1.2.0) (2021-11-01)
+
+
+### Features
+
+* cache nodejs `crypto` module, around 4x speed up in hashing ([ff6c33e](https://github.com/zone117x/cross-sha256/commit/ff6c33e0e228f169b74ca68fcce95b5c5be8963c))
+
 ## [1.1.2](https://github.com/zone117x/cross-sha256/compare/v1.1.1...v1.1.2) (2020-08-19)
@@ -2,0 +9,0 @@

index.d.ts

@@ -45,2 +45,4 @@ /// <reference types="node" />
     hash: Digest;
+    static nodeCryptoCreateHash: any;
+    static useCryptoModuleCache: boolean;
     constructor();
@@ -47,0 +49,0 @@ update(data: string | Buffer | Uint8Array, encoding?: string): this;

index.js

@@ -165,3 +165,6 @@ "use strict";
     function sha256nodeCrypto() {
-        this.hash = require('crypto').createHash('sha256');
+        if (!sha256nodeCrypto.useCryptoModuleCache || sha256nodeCrypto.nodeCryptoCreateHash === undefined) {
+            sha256nodeCrypto.nodeCryptoCreateHash = require('crypto').createHash;
+        }
+        this.hash = sha256nodeCrypto.nodeCryptoCreateHash('sha256');
     }
@@ -180,10 +183,16 @@ sha256nodeCrypto.prototype.update = function (data, encoding) {
     };
+    sha256nodeCrypto.useCryptoModuleCache = true;
     return sha256nodeCrypto;
 }());
 exports.sha256nodeCrypto = sha256nodeCrypto;
+var _nodeCryptoAvailable = undefined;
 function isNodeCryptoAvailable() {
+    if (sha256nodeCrypto.useCryptoModuleCache && _nodeCryptoAvailable !== undefined) {
+        return _nodeCryptoAvailable;
+    }
+    var isAvailable = false;
     try {
         if (typeof require === 'function') {
             var cryptoModule = require('crypto');
-            return cryptoModule && typeof cryptoModule.createHash === 'function';
+            isAvailable = cryptoModule && typeof cryptoModule.createHash === 'function';
         }
@@ -194,3 +203,4 @@ }
     }
-    return false;
+    _nodeCryptoAvailable = isAvailable;
+    return isAvailable;
 }
@@ -197,0 +207,0 @@ var sha256 = /** @class */ (function () {

index.ts

@@ -52,3 +52,3 @@ import { Buffer as SafeBuffer } from 'buffer/';
   constructor () {
-    this._block = SafeBuffer.alloc(this._blockSize) as Buffer
+    this._block = SafeBuffer.alloc(this._blockSize) as unknown as Buffer
   }
@@ -59,3 +59,3 @@
       encoding = encoding || 'utf8'
-      data = SafeBuffer.from(data, encoding) as Buffer;
+      data = SafeBuffer.from(data, encoding) as unknown as Buffer;
     }
@@ -121,3 +121,3 @@
 
-    const hash = SafeBuffer.alloc(32) as Buffer;
+    const hash = SafeBuffer.alloc(32) as unknown as Buffer;
     hash.writeInt32BE(this._a, 0)
@@ -132,3 +132,3 @@ hash.writeInt32BE(this._b, 4)
 
-    return encoding ? hash.toString(encoding) : hash
+    return encoding ? hash.toString(encoding as BufferEncoding) : hash
   }
@@ -203,4 +203,9 @@
   hash: Digest;
+  static nodeCryptoCreateHash: any;
+  static useCryptoModuleCache: boolean = true;
   constructor() {
-    this.hash = require('crypto').createHash('sha256');
+    if (!sha256nodeCrypto.useCryptoModuleCache || sha256nodeCrypto.nodeCryptoCreateHash === undefined) {
+      sha256nodeCrypto.nodeCryptoCreateHash = require('crypto').createHash;
+    }
+    this.hash = sha256nodeCrypto.nodeCryptoCreateHash('sha256');
   }
@@ -222,7 +227,12 @@ update(data: string | Buffer | Uint8Array, encoding?: string): this {
 
+let _nodeCryptoAvailable: boolean | undefined = undefined;
 function isNodeCryptoAvailable(): boolean {
+  if (sha256nodeCrypto.useCryptoModuleCache && _nodeCryptoAvailable !== undefined) {
+    return _nodeCryptoAvailable;
+  }
+  let isAvailable = false;
   try {
     if (typeof require === 'function') {
       const cryptoModule = require('crypto');
-      return cryptoModule && typeof cryptoModule.createHash === 'function';
+      isAvailable = cryptoModule && typeof cryptoModule.createHash === 'function';
     }
@@ -232,3 +242,4 @@ } catch (error) {
   }
-  return false;
+  _nodeCryptoAvailable = isAvailable;
+  return isAvailable;
 }
@@ -235,0 +246,0 @@

package.json

@@ -5,3 +5,3 @@ {
   "description": "SHA-256 hash in pure javascript",
-  "version": "1.1.2",
+  "version": "1.2.0",
   "homepage": "https://github.com/zone117x/cross-sha256",
@@ -16,11 +16,13 @@ "repository": {
   "dependencies": {
-    "@types/node": "^8.0.0",
     "buffer": "^5.6.0"
   },
   "devDependencies": {
+    "@types/node": "^14.17.32",
+    "@types/source-map-support": "^0.5.4",
     "@types/tape": "^4.13.0",
     "hash-test-vectors": "^1.3.1",
+    "source-map-support": "^0.5.20",
     "tape": "~2.3.2",
-    "ts-node": "^8.10.2",
-    "typescript": "^3.9.7"
+    "ts-node": "^10.4.0",
+    "typescript": "^4.4.4"
   },
@@ -30,3 +32,4 @@ "scripts": {
     "build": "tsc",
-    "test": "ts-node-transpile-only test/index.ts"
+    "test": "ts-node-transpile-only test/index.ts",
+    "bench": "ts-node-transpile-only test/bench.ts"
   },
@@ -33,0 +36,0 @@ "files": [

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Improved metrics

Total package byte prevSize

23644

increased by7.19%

Dependency count

1

decreased by-50%

Lines of code

534

increased by4.5%

Worsened metrics

Dev dependency count

8

increased by60%

Dependency changes

• - Removed@types/node@^8.0.0

• - Removed@types/node@8.10.66(transitive)