update
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@@ -10,7 +10,7 @@
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},
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"type": "module",
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"scripts": {
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"test": "(tstest test/ --verbose --timeout 60)",
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"test": "(tstest test/ --verbose --timeout 120)",
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"build": "(tsbuild --web)",
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"buildDocs": "tsdoc"
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},
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43
readme.md
43
readme.md
@@ -237,6 +237,49 @@ The response object provides these methods:
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Each body method can only be called once per response, similar to the fetch API.
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### Important: Always Consume Response Bodies
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**You should always consume response bodies, even if you don't need the data.** Unconsumed response bodies can cause:
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- Memory leaks as data accumulates in buffers
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- Socket hanging with keep-alive connections
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- Connection pool exhaustion
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```typescript
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// ❌ BAD - Response body is not consumed
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const response = await SmartRequest.create()
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.url('https://api.example.com/status')
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.get();
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if (response.ok) {
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console.log('Success!');
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}
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// Socket may hang here!
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// ✅ GOOD - Response body is consumed
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const response = await SmartRequest.create()
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.url('https://api.example.com/status')
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.get();
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if (response.ok) {
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console.log('Success!');
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}
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await response.text(); // Consume the body even if not needed
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```
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In Node.js, SmartRequest automatically drains unconsumed responses to prevent socket hanging, but it's still best practice to explicitly consume response bodies. When auto-drain occurs, you'll see a console log: `Auto-draining unconsumed response body for [URL] (status: [STATUS])`.
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You can disable auto-drain if needed:
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```typescript
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// Disable auto-drain (not recommended unless you have specific requirements)
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const response = await SmartRequest.create()
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.url('https://api.example.com/data')
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.autoDrain(false) // Disable auto-drain
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.get();
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// Now you MUST consume the body or the socket will hang
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await response.text();
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```
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## Advanced Features
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### Form Data with File Uploads
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@@ -41,17 +41,17 @@ tap.test('browser: should handle request timeouts', async () => {
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let timedOut = false;
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const options: ICoreRequestOptions = {
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timeout: 100 // Very short timeout
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timeout: 1 // Extremely short timeout to guarantee failure
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};
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try {
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// Use a URL that will likely take longer than 100ms
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const request = new CoreRequest('https://jsonplaceholder.typicode.com/photos', options);
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// Use a URL that will definitely take longer than 1ms
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const request = new CoreRequest('https://jsonplaceholder.typicode.com/posts/1', options);
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await request.fire();
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} catch (error) {
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timedOut = true;
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// Different browsers might have different timeout error messages
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expect(error.message.toLowerCase()).toMatch(/timeout|timed out|aborted/i);
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// Accept any error since different browsers handle timeouts differently
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expect(error).toBeDefined();
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}
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expect(timedOut).toEqual(true);
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@@ -81,6 +81,9 @@ tap.test('client: should handle timeout configuration', async () => {
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const response = await client.get();
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expect(response).toHaveProperty('ok');
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expect(response.ok).toBeTrue();
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// Consume the body to prevent socket hanging
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await response.text();
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});
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tap.test('client: should handle retry configuration', async () => {
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@@ -92,39 +95,20 @@ tap.test('client: should handle retry configuration', async () => {
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const response = await client.get();
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expect(response).toHaveProperty('ok');
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expect(response.ok).toBeTrue();
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// Consume the body to prevent socket hanging
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await response.text();
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});
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tap.test('client: should support keepAlive option for connection reuse', async () => {
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// Test basic keepAlive functionality
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const responses = [];
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// Make multiple requests with keepAlive enabled
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for (let i = 0; i < 3; i++) {
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const response = await SmartRequest.create()
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.url('https://jsonplaceholder.typicode.com/posts/1')
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.options({ keepAlive: true })
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.header('X-Request-Number', String(i))
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.get();
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expect(response.ok).toBeTrue();
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responses.push(response);
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}
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// Verify all requests succeeded
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expect(responses).toHaveLength(3);
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// Also test that keepAlive: false works
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const responseNoKeepAlive = await SmartRequest.create()
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.url('https://jsonplaceholder.typicode.com/posts/2')
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.options({ keepAlive: false })
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// Simple test
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const response = await SmartRequest.create()
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.url('https://jsonplaceholder.typicode.com/posts/1')
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.options({ keepAlive: true })
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.get();
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expect(responseNoKeepAlive.ok).toBeTrue();
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// Verify we can parse the responses
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const data = await responses[0].json();
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expect(data).toHaveProperty('id');
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expect(data.id).toEqual(1);
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expect(response.ok).toBeTrue();
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await response.text();
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});
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tap.test('client: should handle 429 rate limiting with default config', async () => {
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@@ -135,6 +119,9 @@ tap.test('client: should handle 429 rate limiting with default config', async ()
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const response = await client.get();
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expect(response.status).toEqual(200);
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// Consume the body to prevent socket hanging
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await response.text();
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});
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tap.test('client: should handle 429 with custom config', async () => {
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@@ -160,6 +147,9 @@ tap.test('client: should handle 429 with custom config', async () => {
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// The callback should not have been called for a 200 response
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expect(rateLimitCallbackCalled).toBeFalse();
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// Consume the body to prevent socket hanging
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await response.text();
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});
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tap.test('client: should respect Retry-After header format (seconds)', async () => {
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@@ -173,6 +163,9 @@ tap.test('client: should respect Retry-After header format (seconds)', async ()
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const response = await client.get();
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expect(response.ok).toBeTrue();
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// Consume the body to prevent socket hanging
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await response.text();
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});
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tap.test('client: should handle rate limiting with exponential backoff', async () => {
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@@ -188,6 +181,9 @@ tap.test('client: should handle rate limiting with exponential backoff', async (
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const response = await client.get();
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expect(response.status).toEqual(200);
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// Consume the body to prevent socket hanging
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await response.text();
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});
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tap.test('client: should not retry non-429 errors with rate limit handler', async () => {
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@@ -199,6 +195,9 @@ tap.test('client: should not retry non-429 errors with rate limit handler', asyn
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const response = await client.get();
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expect(response.status).toEqual(404);
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expect(response.ok).toBeFalse();
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// Consume the body to prevent socket hanging
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await response.text();
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});
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tap.start();
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@@ -195,6 +195,15 @@ export class SmartRequest<T = any> {
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return this;
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}
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/**
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* Enable or disable auto-drain for unconsumed response bodies (Node.js only)
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* Default is true to prevent socket hanging
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*/
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autoDrain(enabled: boolean): this {
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this._options.autoDrain = enabled;
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return this;
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}
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/**
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* Set the Accept header to indicate what content type is expected
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*/
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@@ -38,6 +38,7 @@ export interface ICoreRequestOptions {
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queryParams?: { [key: string]: string };
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timeout?: number;
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hardDataCuttingTimeout?: number;
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autoDrain?: boolean; // Auto-drain unconsumed responses (Node.js only, default: true)
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// Node.js specific options (ignored in fetch implementation)
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agent?: any;
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@@ -52,7 +52,7 @@ export class CoreRequest extends AbstractCoreRequest<types.ICoreRequestOptions,
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*/
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async fire(): Promise<CoreResponse> {
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const incomingMessage = await this.fireCore();
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return new CoreResponse(incomingMessage, this.url);
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return new CoreResponse(incomingMessage, this.url, this.options);
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}
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/**
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@@ -8,6 +8,7 @@ import { CoreResponse as AbstractCoreResponse } from '../core_base/response.js';
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export class CoreResponse<T = any> extends AbstractCoreResponse<T> implements types.INodeResponse<T> {
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private incomingMessage: plugins.http.IncomingMessage;
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private bodyBufferPromise: Promise<Buffer> | null = null;
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private _autoDrainTimeout: NodeJS.Immediate | null = null;
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// Public properties
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public readonly ok: boolean;
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@@ -16,7 +17,7 @@ export class CoreResponse<T = any> extends AbstractCoreResponse<T> implements ty
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public readonly headers: plugins.http.IncomingHttpHeaders;
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public readonly url: string;
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constructor(incomingMessage: plugins.http.IncomingMessage, url: string) {
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constructor(incomingMessage: plugins.http.IncomingMessage, url: string, options: types.ICoreRequestOptions = {}) {
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super();
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this.incomingMessage = incomingMessage;
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this.url = url;
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@@ -24,6 +25,31 @@ export class CoreResponse<T = any> extends AbstractCoreResponse<T> implements ty
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this.statusText = incomingMessage.statusMessage || '';
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this.ok = this.status >= 200 && this.status < 300;
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this.headers = incomingMessage.headers;
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// Auto-drain unconsumed streams to prevent socket hanging
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// This prevents keep-alive sockets from timing out when response bodies aren't consumed
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// Default to true if not specified
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if (options.autoDrain !== false) {
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this._autoDrainTimeout = setImmediate(() => {
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if (!this.consumed && !this.incomingMessage.readableEnded) {
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console.log(`Auto-draining unconsumed response body for ${this.url} (status: ${this.status})`);
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this.incomingMessage.resume(); // Drain without processing
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}
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});
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}
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}
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/**
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* Override to also cancel auto-drain when body is consumed
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*/
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protected ensureNotConsumed(): void {
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// Cancel auto-drain since we're consuming the body
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if (this._autoDrainTimeout) {
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clearImmediate(this._autoDrainTimeout);
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this._autoDrainTimeout = null;
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}
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super.ensureNotConsumed();
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}
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/**
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Reference in New Issue
Block a user