Connect Remote CSV file and Supabase NDJSON file in our serverless environment

class HttpSourceReadRemoteCsv {
    async init() {
        // TODO: Create your http credential with endpoint information:
        // More info at https://yepcode.io/docs/integrations/http/#credential-configuration
        // It may manage headers or authentication
        this.httpClient = yepcode.integration.http("your-http-credential-name");
    }

    async fetch(publish, done) {
        // TODO: Customize the path to the csv file
        await this.httpClient
            .get("/the-csv-file-path.csv", {
                responseType: "stream",
            })
            .then(({
                data
            }) => {
                data
                    .pipe(
                        csv.parse({
                            trim: true,
                            columns: true,
                            delimiter: ",",
                            skip_empty_lines: true,
                        })
                    )
                    .on("data", async (line) => {
                        // TODO: Map your item
                        const item = {
                            id: line.Index,
                            name: line.Name
                        };
                        await publish(item);
                    })
                    .on("end", done);
            });
    }

    async close() {}
}

class SupabaseTargetUploadNdjson {
    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"
        );

        this.items = [];
    }

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

    async close() {
        try {
            // Transform items to ndjson entries
            const ndjsonFileContent = ndjson.stringify(this.items);
            // TODO: adapt bucket and files management
            // You may check the full API documentation at:
            // Check docs at https://supabase.com/docs/reference/javascript/storage-from-upload
            const {
                data,
                error
            } = await this.supabase.storage
                .from("your-bucket-name")
                .upload(`your-new-file.ndjson`, ndjsonFileContent, {
                    contentType: "text/ndjson",
                });

            if (error) {
                throw error;
            }
        } catch (error) {
            console.error(`Error ending upload`, error);
        }
    }
}