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BuildeX Coder IDE — src/services/bedrockStream.ts

ap-south-1

src

services

TS bedrockStream.ts

TS dynamoStore.ts

TS authManager.ts

TS bedrockStream.test.ts

{} package.json

⚙ tsconfig.json

TS bedrockStream.ts ● ✕

TS dynamoStore.ts ✕

import { BedrockRuntimeClient, InvokeModelWithResponseStreamCommand } from "@aws-sdk/client-bedrock-runtime";
import { DynamoDBSessionStore } from "./dynamoStore";
 
export async function* streamBedrockCompletion(prompt: string, sessionId: string) {
  const client = new BedrockRuntimeClient({ region: "ap-south-1" });
  const context = await DynamoDBSessionStore.getContext(sessionId);
 
  // Optimized via Claude 3.5 Sonnet: Stream tokens with SigV4
  const command = new InvokeModelWithResponseStreamCommand({
    modelId: "anthropic.claude-3-5-sonnet-20241022-v2:0",
    contentType: "application/json",
    body: JSON.stringify({ prompt, max_tokens: 4096, prompt_cache: true })
  });
 
  const response = await client.send(command);
  for await (const chunk of response.body!) {
    yield JSON.parse(new TextDecoder().decode(chunk.chunk?.bytes)).delta?.text ?? "";
  }
}

zsh

Yusha@MacBook-Air:~/buildex-project (main)$ npm run test:bedrock▌

> buildex-aws@1.0.0 test:bedrock

> vitest run src/services/bedrockStream.test.ts

✓ src/services/bedrockStream.test.ts (3 tests) 318ms

✓ authenticate AWS SigV4 credentials (ap-south-1) (42ms)

✓ stream Claude 3.5 Sonnet tokens via Bedrock Runtime (186ms)

✓ persist session context in DynamoDB buildex_chats (89ms)

Test Files 1 passed (1) | Tests 3 passed (3) | Duration 412ms

B Bedrock Assistant

Claude 3.5 Sonnet

Refactor bedrockStream.ts to add streaming & token caching

Claude 3.5 Sonnet via Amazon Bedrock 184ms · 412 tok

Verified AWS SigV4 credentials. Optimized streaming pipeline using Amazon Nova Micro and DynamoDB token caching:

src/services/bedrockStream.ts Apply to Editor

+ import { InvokeModelWithResponseStreamCommand }
+ prompt_cache: true,
+ max_tokens: 4096

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TypeScript UTF-8 Ln 12, Col 4 BuildeX

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BuildeX

The AI-First Code Editor.
Where you don't just prompt code. You learn it.

Amazon Bedrock AI Chat

Engineered for Autonomous Coding

Amazon Bedrock & Claude 3.5 Engine

Autonomous Agent Mode

Per-User Data Isolation in DynamoDB

Native Windows & macOS Performance

Transparent Plans

Free

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Enterprise

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macOS

Windows

Overview

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AWS Amazon Bedrock

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BuildeX

The AI-First Code Editor.Where you don't just prompt code. You learn it.

Amazon Bedrock AI Chat

Engineered for Autonomous Coding

Amazon Bedrock & Claude 3.5 Engine

Autonomous Agent Mode

Per-User Data Isolation in DynamoDB

Native Windows & macOS Performance

Transparent Plans

Free

Start

Enterprise

Download BuildeX

macOS

Windows

Overview

Settings

Integrations

AWS Amazon Bedrock

Spending

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The AI-First Code Editor.
Where you don't just prompt code. You learn it.