Description
Papa Parse is the fastest in-browser CSV (or delimited text) parser for JavaScript. It is reliable and correct according to RFC 4180, and it comes with these features:
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README
Parse CSV with JavaScript
Papa Parse is the fastest in-browser CSV (or delimited text) parser for JavaScript. It is reliable and correct according to RFC 4180, and it comes with these features:
- Easy to use
- Parse CSV files directly (local or over the network)
- Fast mode (is really fast)
- Stream large files (even via HTTP)
- Reverse parsing (converts JSON to CSV)
- Auto-detect delimiter
- Worker threads to keep your web page reactive
- Header row support
- Pause, resume, abort
- Can convert numbers and booleans to their types
- Optional jQuery integration to get files from
<input type="file">
elements - One of the only parsers that correctly handles line-breaks and quotations
Papa Parse has no dependencies - not even jQuery.
Install
papaparse is available on npm. It can be installed with the following command:
npm install papaparse
If you don't want to use npm, papaparse.min.js can be downloaded to your project source.
Homepage & Demo
To learn how to use Papa Parse:
The website is hosted on Github Pages. Its content is also included in the docs folder of this repository. If you want to contribute on it just clone the master of this repository and open a pull request.
Papa Parse for Node
Papa Parse can parse a Readable Stream instead of a File when used in Node.js environments (in addition to plain strings). In this mode, encoding
must, if specified, be a Node-supported character encoding. The Papa.LocalChunkSize
, Papa.RemoteChunkSize
, download
, withCredentials
and worker
config options are unavailable.
Papa Parse can also parse in a node streaming style which makes .pipe
available. Simply pipe the Readable Stream to the stream returned from Papa.parse(Papa.NODE_STREAM_INPUT, options)
. The Papa.LocalChunkSize
, Papa.RemoteChunkSize
, download
, withCredentials
, worker
, step
, and complete
config options are unavailable. To register a callback with the stream to process data, use the data
event like so: stream.on('data', callback)
and to signal the end of stream, use the 'end' event like so: stream.on('end', callback)
.
Get Started
For usage instructions, see the homepage and, for more detail, the documentation.
Tests
Papa Parse is under test. Download this repository, run npm install
, then npm test
to run the tests.
Contributing
To discuss a new feature or ask a question, open an issue. To fix a bug, submit a pull request to be credited with the contributors! Remember, a pull request, with test, is best. You may also discuss on Twitter with #PapaParse or directly to me, @mholt6.
If you contribute a patch, ensure the tests suite is running correctly. We run continuous integration on each pull request and will not accept a patch that breaks the tests.