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Connect Supabase NDJSON file and Tinybird in our serverless environment

Use this template to Read NDJSON file entries from Supabase bucket using them to append CSV entries to Tinybird datasource.

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Read NDJSON file entries from Supabase bucket

Used integrations:
class SupabaseSourceReadRemoteNdjson {
async init() {
// TODO: Create your supabase credential
// More info at https://yepcode.io/docs/integrations/supabase/#credential-configuration
this.supabase = yepcode.integration.supabase(
"your-supabase-credential-name"
);
}

async fetch(publish, done) {
// You may check the full API documentation at:
// https://supabase.com/docs/reference/javascript/storage-from-download
const {
data,
error
} = await this.supabase.storage
.from("your-bucket-name")
.download(`your-file-name.ndjson`);
if (error) {
throw error;
}
data
.stream()
.pipe(ndjson.parse())
.on("data", async (line) => {
await publish(line);
})
.on("end", done);
}

async close() {
await this.sftp.end();
}
}

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Append CSV entries to Tinybird datasource

Used integrations:
class HttpTargetTinybirdAppendEndpoint {
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"
);

// Transforms the items into a csv format
this.stringifier = csv.stringify({
delimiter: ",",
});
const targetStream = new PassThrough();
this.stringifier.pipe(targetStream);

// Append the stream to Tinybird endpoint
const formData = FormData();
formData.append("csv", targetStream);

// TODO: Customize your request checking the API documentation:
// https://www.tinybird.co/docs/api-reference/datasource-api.html
this.tinybirdPost = this.httpClient.post(
`/datasources?format=csv&mode=append&name=your_end_point_name`,
formData, {
headers: {
...formData.getHeaders(),
},
}
);
}

async consume(item) {
// TODO: Map item to your CSV format
const csvRow = [item.col1, item.col2, item.col3];
this.stringifier.write(csvRow);
}

async close() {
this.stringifier.end();
await this.tinybirdPost;
}
}

Other combinations

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