An example that uses Amazon Bedrock to generate data and transform the response into JSON

Amazon Bedrock - Node.js SDK Example.ts

import {
    BedrockRuntimeClient,
    InvokeModelCommand
} from "@aws-sdk/client-bedrock-runtime";

const client = new BedrockRuntimeClient({ region: "us-east-1" });
const textDecoder = new TextDecoder("utf-8");

const command = new InvokeModelCommand({
    modelId: "ai21.j2-mid-v1",
    contentType: "application/json",
    accept: "*/*",
    body: JSON.stringify({
        prompt: "Hello world",
        maxTokens: 200,
        temperature: 0.7,
        topP: 1,
        stopSequences: [],
        countPenalty: {
            scale: 0
        },
        presencePenalty: {
            scale: 0
        },
        frequencyPenalty: {
            scale: 0
        }
    })
});

client
    .send(command)
    .then((data) => JSON.parse(textDecoder.decode(data.body)))
    .then((data) => console.log(JSON.stringify(data, null, 4)))