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@spark-connect-js/core

v0.3.0

Published

Pure TypeScript core: logical DataFrame API and Spark Connect plan builder — no runtime dependencies

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Links

Git

Maintainers

prusticprustic

Keywords

sparkspark-connectdataframetypescript

Readme

@spark-connect-js/core

DataFrame API and logical plan builder for Spark Connect, in pure TypeScript with zero runtime dependencies.

[!NOTE] This project is in early development. APIs may change between releases.

npm install @spark-connect-js/core
import { SparkSession, col, sum, desc, type Transport } from "@spark-connect-js/core";

const spark = new SparkSession(transport);

const df = spark
  .table("events")
  .filter(col("ts").gt(lit("2025-01-01")))
  .groupBy("category")
  .agg(sum("amount").alias("total"))
  .sort(desc("total"));

Provides DataFrame, Column, SparkSession, Catalog, WindowSpec, DataFrameWriter, GroupedData, and 248 built-in functions. Plans are serialized to Spark Connect protobuf but no I/O happens here. Bring your own Transport implementation, or use @spark-connect-js/node which wires everything together.

Documentation

See the spark-connect-js repository.

License

Apache-2.0