fix(core): update

ts/00_commitinfo_data.ts

@@ -3,6 +3,6 @@
  */
 export const commitinfo = {
   name: '@api.global/typedserver',
-  version: '3.0.12',
+  version: '3.0.13',
   description: 'easy serving of static files'
 }

ts/servertools/classes.compressor.ts

@@ -1,31 +1,61 @@
 import * as plugins from '../typedserver.plugins.js';
 
 export class Compressor {
+  private _cache: Map<string, Buffer>;
+  private MAX_CACHE_SIZE: number = 20 * 1024 * 1024; // 20 MB
+
+  constructor() {
+    this._cache = new Map<string, Buffer>();
+  }
+
+  private _addToCache(key: string, value: Buffer) {
+    this._cache.set(key, value);
+    this._manageCacheSize();
+  }
+
+  private _manageCacheSize() {
+    let currentSize = Array.from(this._cache.values()).reduce((acc, buffer) => acc + buffer.length, 0);
+
+    while (currentSize > this.MAX_CACHE_SIZE) {
+      const firstKey = this._cache.keys().next().value;
+      const firstValue = this._cache.get(firstKey)!;
+      currentSize -= firstValue.length;
+      this._cache.delete(firstKey);
+    }
+  }
+
   public async compressContent(
     content: Buffer,
     method: 'gzip' | 'deflate' | 'br' | 'none'
   ): Promise<Buffer> {
+    const cacheKey = content.toString('base64') + method;
+    const cachedResult = this._cache.get(cacheKey);
+
+    if (cachedResult) {
+      return cachedResult;
+    }
+
     return new Promise((resolve, reject) => {
+      const callback = (err: Error | null, result: Buffer) => {
+        if (err) reject(err);
+        else {
+          this._addToCache(cacheKey, result);
+          resolve(result);
+        }
+      };
+
       switch (method) {
         case 'gzip':
-          plugins.zlib.gzip(content, (err, result) => {
-            if (err) reject(err);
-            else resolve(result);
-          });
+          plugins.zlib.gzip(content, callback);
           break;
         case 'br':
-          plugins.zlib.brotliCompress(content, (err, result) => {
-            if (err) reject(err);
-            else resolve(result);
-          });
+          plugins.zlib.brotliCompress(content, callback);
           break;
         case 'deflate':
-          plugins.zlib.deflate(content, (err, result) => {
-            if (err) reject(err);
-            else resolve(result);
-          });
+          plugins.zlib.deflate(content, callback);
           break;
         default:
+          this._addToCache(cacheKey, content);
           resolve(content);
       }
     });

ts_web/00_commitinfo_data.ts

@@ -3,6 +3,6 @@
  */
 export const commitinfo = {
   name: '@api.global/typedserver',
-  version: '3.0.12',
+  version: '3.0.13',
   description: 'easy serving of static files'
 }