docs(changeset): hash | only create textEncoder when needed

Author: Maggi64

.changeset/swift-kings-float.md

@@ -0,0 +1,5 @@
+---
+"moderndash": patch
+---
+
+`hash` | only create textEncoder when needed

benchmark/crypto/hash.bench.ts

@@ -0,0 +1,15 @@
+import { hash } from 'moderndash';
+import { bench, describe } from 'vitest';
+
+import { randomObjectArray } from '../testData.js';
+
+describe('hash', () => {
+    const objArr = randomObjectArray(20);
+
+    bench('moderndash', async () => {
+        for (const obj of objArr) {
+            // eslint-disable-next-line no-await-in-loop
+            await hash(obj);
+        }
+    });
+});

package/src/crypto/hash.ts

@@ -2,7 +2,7 @@ import type { Jsonifiable } from '@type/Jsonifiable.js';
 
 type SupportedAlgorithms = 'SHA-256' | 'SHA-384' | 'SHA-512';
 
-const textEncoder = new TextEncoder();
+let textEncoder: TextEncoder | undefined;
 
 /**
  * Generates a hash from the given data using the specified algorithm.
@@ -28,6 +28,8 @@ const textEncoder = new TextEncoder();
  */
 
 export async function hash(data: Jsonifiable, algorithm: SupportedAlgorithms = 'SHA-256'): Promise<string> {
+    textEncoder ??= new TextEncoder();
+
     const dataBuffer = typeof data === 'string'
         ? textEncoder.encode(data) 
         : textEncoder.encode(JSON.stringify(data));
@@ -36,4 +38,4 @@ export async function hash(data: Jsonifiable, algorithm: SupportedAlgorithms = '
     const hashArray = [...new Uint8Array(hashBuffer)];
     const hexValues = hashArray.map(b => b.toString(16).padStart(2, '0'));
     return hexValues.join('');
-}
+}