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mholt avatar

mholt/PapaParse

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13,492 stars·1,177 forks·JavaScript·MIT·16 viewsPapaParse.com↗

PapaParse

PapaParse is a delimited text processing library that converts CSV files into JSON objects or arrays. It provides a suite of tools for parsing delimited text and transforming structured data objects back into CSV formats through bidirectional serialization.

The library is characterized by its ability to process massive datasets using incremental streaming and chunk-based processing to prevent memory overload. It includes an automatic delimiter detector to identify separator characters without manual configuration and utilizes web workers to offload parsing logic to background threads, keeping the user interface responsive.

The toolset covers a broad range of data ingestion capabilities, including the handling of malformed input, multi-line fields, and escaped quotes via state-machine parsing. It supports data import from both local and network sources.

Features

  • CSV Parsers - Provides a comprehensive library for converting delimited CSV text files into JSON objects or arrays.
  • Delimited Data Parsers - Parses delimited text files into JSON while handling complex line breaks and quotations.
  • Incremental Data Streaming - Emits parsed results incrementally to allow processing of data streams that exceed available memory.
  • Large Dataset Streaming - Implements incremental streaming to process massive datasets without overloading system memory.
  • Streaming Processors - Handles massive CSV files using memory-efficient streaming modes to prevent memory overload.
  • Background Processing Workers - Offloads intensive parsing logic to background web workers to keep the browser UI responsive.
  • Client-Side Data Ingestion - Enables the parsing of uploaded CSV files directly in the browser using background workers.
  • JSON to CSV Conversion - Transforms structured JSON data back into delimited text formats through a reverse parsing process.
  • CSV Serialization - Transforms structured JSON data objects back into delimited CSV text through reverse mapping.
  • CSV Serialization - Transforms JSON data structures into CSV formats through a reverse parsing process.
  • Automatic Delimiter Detection - Provides automatic identification of separator characters in delimited text files to remove manual configuration.
  • File Processing - Powerful CSV parsing and export library.
  • Parsing Tools - Fast CSV parser.
  • File Utilities - CSV parsing and export library.

Star history

Star history chart for mholt/papaparseStar history chart for mholt/papaparse

How this analysis was created: This summary and feature list were written by an AI model that read the project's README and public documentation pages. Each feature links to the documentation it came from; stars, license and language come straight from the GitHub API. The model does not read the source code, and the analysis is refreshed when the project is re-analysed. Learn more on our About page.

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Frequently asked questions

What does mholt/papaparse do?

PapaParse is a delimited text processing library that converts CSV files into JSON objects or arrays. It provides a suite of tools for parsing delimited text and transforming structured data objects back into CSV formats through bidirectional serialization.

What are the main features of mholt/papaparse?

The main features of mholt/papaparse are: CSV Parsers, Delimited Data Parsers, Incremental Data Streaming, Large Dataset Streaming, Streaming Processors, Background Processing Workers, Client-Side Data Ingestion, JSON to CSV Conversion.

What are some open-source alternatives to mholt/papaparse?

Open-source alternatives to mholt/papaparse include: fasterxml/jackson — Jackson is a Java data binding framework and multi-format data serializer used to translate data structures into… syoyo/tinygltf — tinygltf is a C++ library designed as a parser, serializer, and validation tool for 3D models in the glTF 2.0 binary… nanopb/nanopb — Nanopb is a lightweight C implementation of Protocol Buffers designed for resource-constrained systems and… xuri/excelize — Excelize is a Go library designed for reading, writing, and modifying Microsoft Excel files in XML-based formats. It… serde-rs/serde — This project is a framework for the efficient serialization and deserialization of data structures. It provides a… adaltas/node-csv — This library is a CSV data serializer and stringifier for transforming structured records into comma-separated values.…

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