fix(core): 移除fflate依赖，修复TextEncoder兼容性问题 (#217)

* fix(core): 移除fflate依赖，修复TextEncoder兼容性问题

* fix(core): 移除fflate依赖，修复TextEncoder兼容性问题

packages/core/src/Utils/BinarySerializer.ts

@@ -1,25 +1,104 @@
-import { strToU8, strFromU8, zlibSync, unzlibSync } from 'fflate';
-
 /**
  * 二进制序列化器
- * 使用zlib压缩JSON数据
+ * 将对象转换为UTF8字节数组
  */
 export class BinarySerializer {
     /**
-     * 将对象编码为压缩的二进制数据
+     * 将字符串编码为UTF8字节数组
      */
-    public static encode(value: any): Uint8Array {
-        const jsonString = JSON.stringify(value);
-        const utf8Bytes = strToU8(jsonString);
-        return zlibSync(utf8Bytes);
+    private static stringToUtf8(str: string): Uint8Array {
+        const len = str.length;
+        let pos = 0;
+        const bytes: number[] = [];
+
+        for (let i = 0; i < len; i++) {
+            let code = str.charCodeAt(i);
+
+            if (code >= 0xD800 && code <= 0xDBFF && i + 1 < len) {
+                const high = code;
+                const low = str.charCodeAt(i + 1);
+                if (low >= 0xDC00 && low <= 0xDFFF) {
+                    code = 0x10000 + ((high - 0xD800) << 10) + (low - 0xDC00);
+                    i++;
+                }
+            }
+
+            if (code < 0x80) {
+                bytes[pos++] = code;
+            } else if (code < 0x800) {
+                bytes[pos++] = 0xC0 | (code >> 6);
+                bytes[pos++] = 0x80 | (code & 0x3F);
+            } else if (code < 0x10000) {
+                bytes[pos++] = 0xE0 | (code >> 12);
+                bytes[pos++] = 0x80 | ((code >> 6) & 0x3F);
+                bytes[pos++] = 0x80 | (code & 0x3F);
+            } else {
+                bytes[pos++] = 0xF0 | (code >> 18);
+                bytes[pos++] = 0x80 | ((code >> 12) & 0x3F);
+                bytes[pos++] = 0x80 | ((code >> 6) & 0x3F);
+                bytes[pos++] = 0x80 | (code & 0x3F);
+            }
+        }
+
+        return new Uint8Array(bytes);
     }
 
     /**
-     * 将压缩的二进制数据解码为对象
+     * 将UTF8字节数组解码为字符串
+     */
+    private static utf8ToString(bytes: Uint8Array): string {
+        const len = bytes.length;
+        let str = '';
+        let i = 0;
+
+        while (i < len) {
+            const byte1 = bytes[i++];
+            if (byte1 === undefined) break;
+
+            if (byte1 < 0x80) {
+                str += String.fromCharCode(byte1);
+            } else if ((byte1 & 0xE0) === 0xC0) {
+                const byte2 = bytes[i++];
+                if (byte2 === undefined) break;
+                str += String.fromCharCode(((byte1 & 0x1F) << 6) | (byte2 & 0x3F));
+            } else if ((byte1 & 0xF0) === 0xE0) {
+                const byte2 = bytes[i++];
+                const byte3 = bytes[i++];
+                if (byte2 === undefined || byte3 === undefined) break;
+                str += String.fromCharCode(
+                    ((byte1 & 0x0F) << 12) | ((byte2 & 0x3F) << 6) | (byte3 & 0x3F)
+                );
+            } else if ((byte1 & 0xF8) === 0xF0) {
+                const byte2 = bytes[i++];
+                const byte3 = bytes[i++];
+                const byte4 = bytes[i++];
+                if (byte2 === undefined || byte3 === undefined || byte4 === undefined) break;
+                let code = ((byte1 & 0x07) << 18) | ((byte2 & 0x3F) << 12) |
+                          ((byte3 & 0x3F) << 6) | (byte4 & 0x3F);
+                code -= 0x10000;
+                str += String.fromCharCode(
+                    0xD800 + (code >> 10),
+                    0xDC00 + (code & 0x3FF)
+                );
+            }
+        }
+
+        return str;
+    }
+
+    /**
+     * 将对象编码为二进制数据
+     */
+    public static encode(value: any): Uint8Array {
+        const jsonString = JSON.stringify(value);
+        return this.stringToUtf8(jsonString);
+    }
+
+    /**
+     * 将二进制数据解码为对象
      */
     public static decode(bytes: Uint8Array): any {
-        const decompressed = unzlibSync(bytes);
-        const jsonString = strFromU8(decompressed);
+        const jsonString = this.utf8ToString(bytes);
         return JSON.parse(jsonString);
     }
 }