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Connect Tinybird and Amazon S3 NDJSON file in our serverless environment

Use this template to Get Tinybird CSV endpoint entries using them to create NDJSON file entries in Amazon S3 Bucket.

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Get Tinybird CSV endpoint entries

Used integrations:
class HttpSourceTinybirdGetEndpoint {
async init() {
// TODO: Create your http credential with tynibird information:
// More info at https://yepcode.io/docs/integrations/http/#credential-configuration
// baseUrl: https://api.tinybird.co/v0
// HTTP Headers: { "Authorization": "Bearer <your-read-token>" }
this.httpClient = yepcode.integration.http(
"your-http-tinybird-credential-name"
);
}

async fetch(publish, done) {
// TODO: Customize your request checking the API documentation:
// https://www.tinybird.co/docs/api-reference/query-api.html
this.httpClient
.get("/pipes/your_end_point_name.csv", {
responseType: "stream",
})
.then(({
data
}) => {
data
.pipe(
csv.parse({
trim: true,
columns: true,
delimiter: ",",
skip_empty_lines: true,
})
)
.on("data", publish)
.on("end", done);
});
}

async close() {}
}

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Create NDJSON file entries in Amazon S3 Bucket

Used integrations:
class AwsS3TargetUploadNdjson {
async init() {
// TODO: Create your aws-s3 credential
// More info at https://yepcode.io/docs/integrations/aws-s3/#credential-configuration
const awsS3 = yepcode.integration.awsS3("your-aws-s3-credential-name");
// Transforms the items into a ndjson format
this.stringifier = ndjson.stringify();
const targetStream = new PassThrough();
this.stringifier.pipe(targetStream);
// TODO: customize the Upload content
// More info at: https://docs.aws.amazon.com/AWSJavaScriptSDK/v3/latest/interfaces/_aws_sdk_lib_storage.options-1.html
const upload = new Upload({
client: awsS3,
params: {
Bucket: "your-bucket-name",
Key: "your-file-name.ndjson",
Body: targetStream,
},
});
upload.on("httpUploadProgress", (progress) => {
console.log(`Upload progress`, progress);
});
this.uploadPromise = upload.done();
}

async consume(item) {
this.stringifier.write(item);
}

async close() {
try {
this.stringifier.end();
} catch (error) {
console.error(`Error ending stringifier`, error);
}
try {
await this.uploadPromise;
} catch (error) {
console.error(`Error ending upload`, error);
}
}
}

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