BREAKING CHANGE(core): major architectural refactoring with fetch-like API

ts/core/response.ts

@@ -0,0 +1,110 @@
+import * as plugins from './plugins.js';
+import * as types from './types.js';
+
+/**
+ * Modern Response class that provides a fetch-like API
+ */
+export class SmartResponse<T = any> implements types.ICoreResponse<T> {
+  private incomingMessage: plugins.http.IncomingMessage;
+  private bodyBufferPromise: Promise<Buffer> | null = null;
+  private consumed = false;
+
+  // Public properties
+  public readonly ok: boolean;
+  public readonly status: number;
+  public readonly statusText: string;
+  public readonly headers: plugins.http.IncomingHttpHeaders;
+  public readonly url: string;
+
+  constructor(incomingMessage: plugins.http.IncomingMessage, url: string) {
+    this.incomingMessage = incomingMessage;
+    this.url = url;
+    this.status = incomingMessage.statusCode || 0;
+    this.statusText = incomingMessage.statusMessage || '';
+    this.ok = this.status >= 200 && this.status < 300;
+    this.headers = incomingMessage.headers;
+  }
+
+  /**
+   * Ensures the body can only be consumed once
+   */
+  private ensureNotConsumed(): void {
+    if (this.consumed) {
+      throw new Error('Body has already been consumed');
+    }
+    this.consumed = true;
+  }
+
+  /**
+   * Collects the body as a buffer
+   */
+  private async collectBody(): Promise<Buffer> {
+    this.ensureNotConsumed();
+    
+    if (this.bodyBufferPromise) {
+      return this.bodyBufferPromise;
+    }
+
+    this.bodyBufferPromise = new Promise<Buffer>((resolve, reject) => {
+      const chunks: Buffer[] = [];
+      
+      this.incomingMessage.on('data', (chunk: Buffer) => {
+        chunks.push(chunk);
+      });
+      
+      this.incomingMessage.on('end', () => {
+        resolve(Buffer.concat(chunks));
+      });
+      
+      this.incomingMessage.on('error', reject);
+    });
+
+    return this.bodyBufferPromise;
+  }
+
+  /**
+   * Parse response as JSON
+   */
+  async json(): Promise<T> {
+    const buffer = await this.collectBody();
+    const text = buffer.toString('utf-8');
+    
+    try {
+      return JSON.parse(text);
+    } catch (error) {
+      throw new Error(`Failed to parse JSON: ${error.message}`);
+    }
+  }
+
+  /**
+   * Get response as text
+   */
+  async text(): Promise<string> {
+    const buffer = await this.collectBody();
+    return buffer.toString('utf-8');
+  }
+
+  /**
+   * Get response as ArrayBuffer
+   */
+  async arrayBuffer(): Promise<ArrayBuffer> {
+    const buffer = await this.collectBody();
+    return buffer.buffer.slice(buffer.byteOffset, buffer.byteOffset + buffer.byteLength);
+  }
+
+  /**
+   * Get response as a readable stream
+   */
+  stream(): NodeJS.ReadableStream {
+    this.ensureNotConsumed();
+    return this.incomingMessage;
+  }
+
+  /**
+   * Get the raw IncomingMessage (for legacy compatibility)
+   */
+  raw(): plugins.http.IncomingMessage {
+    return this.incomingMessage;
+  }
+
+}