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csv-loader's Introduction

Webpack csv loader

NPM NPM Build Status

Purpose

This CSV loader automatically converts data types, making it easy to import and start using data.

Installation

Install with npm:

npm install --save-dev csv-loader

Usage

Add the csv-loader to your webpack configuration:

const config = {
  module: {
    rules: [
      {
        test: /\.csv$/,
        loader: 'csv-loader',
        options: {
          dynamicTyping: true,
          header: true,
          skipEmptyLines: true
        }
      }
    ]
  }
};

The loader will translate csv files into JSON, with the following settings:

  • automatically convert columns to the proper data type,
  • parse the CSV header
  • skip any blank lines in the file

Configuration

Any options supported by Papa Parse can be passed to this loader with the options object. The current Papa Parse API is available here.

Not just a CSV loader

This module works with any column based file separated by deliminators. Simply set which extension to parse and the loader will automatically figure out which deliminator to use by default. The deliminator can also be manually set.

Credits

csv-loader's People

Contributors

abeadam avatar dependabot[bot] avatar greenkeeper[bot] avatar greenkeeperio-bot avatar linqlover avatar privateomega avatar theplatapi avatar

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Watchers

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csv-loader's Issues

Version 10 of node.js has been released

Version 10 of Node.js (code name Dubnium) has been released! 🎊

To see what happens to your code in Node.js 10, Greenkeeper has created a branch with the following changes:

  • Added the new Node.js version to your .travis.yml

If you’re interested in upgrading this repo to Node.js 10, you can open a PR with these changes. Please note that this issue is just intended as a friendly reminder and the PR as a possible starting point for getting your code running on Node.js 10.

More information on this issue

Greenkeeper has checked the engines key in any package.json file, the .nvmrc file, and the .travis.yml file, if present.

  • engines was only updated if it defined a single version, not a range.
  • .nvmrc was updated to Node.js 10
  • .travis.yml was only changed if there was a root-level node_js that didn’t already include Node.js 10, such as node or lts/*. In this case, the new version was appended to the list. We didn’t touch job or matrix configurations because these tend to be quite specific and complex, and it’s difficult to infer what the intentions were.

For many simpler .travis.yml configurations, this PR should suffice as-is, but depending on what you’re doing it may require additional work or may not be applicable at all. We’re also aware that you may have good reasons to not update to Node.js 10, which is why this was sent as an issue and not a pull request. Feel free to delete it without comment, I’m a humble robot and won’t feel rejected 🤖


FAQ and help

There is a collection of frequently asked questions. If those don’t help, you can always ask the humans behind Greenkeeper.


Your Greenkeeper Bot 🌴

Type parsing error

If I include a value like "1月1日" in my file, the type judgment is wrong

lower file sizes by keeping keys and values seperate in source

hi there!

I created a fork at https://github.com/fin/csv-loader-small which keeps the keys and values separate, to avoid huge increases in file sizes because of the difference between CSV and JSON structures.
(it currently depends on node>11 due to my lazy use of .flat() but I could work around that)

Would you be interested in having this as an optional encoding method in this library? I could probably whip together a pull request, if you're into it.

best
-f

An in-range update of mocha is breaking the build 🚨

Version 3.4.0 of mocha just got published.

Branch Build failing 🚨
Dependency mocha
Current Version 3.3.0
Type devDependency

This version is covered by your current version range and after updating it in your project the build failed.

As mocha is “only” a devDependency of this project it might not break production or downstream projects, but “only” your build or test tools – preventing new deploys or publishes.

I recommend you give this issue a high priority. I’m sure you can resolve this 💪

Status Details
  • continuous-integration/travis-ci/push The Travis CI build failed Details

Release Notes v3.4.0

Mocha is now moving to a quicker release schedule: when non-breaking changes are merged, a release should happen that week.

This week's highlights:

  • allowUncaught added to commandline as --allow-uncaught (and bugfixed)
  • warning-related Node flags

🎉 Enhancements

🐛 Fixes

🔩 Other

Commits

The new version differs by 9 commits0.

  • 7554b31 Add Changelog for v3.4.0
  • 9f7f7ed Add --trace-warnings flag
  • 92561c8 Add --no-warnings flag
  • ceee976 lint test/integration/fixtures/simple-reporter.js
  • dcfc094 Revert "use semistandard directly"
  • 93392dd no special case for macOS running Karma locally
  • 4d1d91d --allow-uncaught cli option
  • fb1e083 fix allowUncaught in browser
  • 4ed3fc5 Add license report and scan status

false

See the full diff

Not sure how things should work exactly?

There is a collection of frequently asked questions and of course you may always ask my humans.


Your Greenkeeper Bot 🌴

Module build failed. Cannot find module 'papaparse'

When you try to use csv-loader as a loader module in Webpack, Module build fails since it cannot find 'papaparse' module.

This has been clearly specified in this stackoverflow question.

The reason why this happens is because papaparse is specified as a peer-dependency which won't get installed automatically when this package has been installed using npm versions above 3. Ref: NPM blog.

Publish v3.0.3 to npm

Hey @theplatapi, it looks like this repository is on v3.0.3, but npm only has v3.0.2, can you please publish the latest version?

I ask because papaparse is still listed in devDependencies in v3.0.2, when it should be in dependencies or peerDependencies. Thanks!

DeprecationWarning: loaderUtils.parseQuery() received a non-string value

Using node 7.7.4, webpack 2.2.1, and csv-loader 2.0.4, CSV files are successfully loaded, but with this deprecation warning:

(node:18879) DeprecationWarning: loaderUtils.parseQuery() received a non-string value which can be problematic, see webpack/loader-utils#56
parseQuery() will be replaced with getOptions() in the next major version of loader-utils.
at Object.parseQuery (/node_modules/loader-utils/index.js:78:3)
at Object.exports.getLoaderConfig (/node_modules/loader-utils/index.js:121:22)
at Object.module.exports (/node_modules/csv-loader/index.js:6:28)
at LOADER_EXECUTION (/node_modules/loader-runner/lib/LoaderRunner.js:119:14)
at runSyncOrAsync (/node_modules/loader-runner/lib/LoaderRunner.js:120:4)
at iterateNormalLoaders (/node_modules/loader-runner/lib/LoaderRunner.js:229:2)
at Array. (/node_modules/loader-runner/lib/LoaderRunner.js:202:4)
at Storage.finished (/node_modules/enhanced-resolve/lib/CachedInputFileSystem.js:38:15)
at /node_modules/enhanced-resolve/lib/CachedInputFileSystem.js:69:9
at /node_modules/graceful-fs/graceful-fs.js:78:16

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