@datawrapper/chart-core NPM

chart-core

@datawrapper/chart-core is a collection of useful functions and components that are required to render Datawrapper charts.

Installation

> npm i @datawrapper/chart-core

Structure

├── main.mjs
│     - Entry point for rollup to bundle `Visualization.svelte`
│     - (used by datawrapper/api)
│
├── lib
│     - Directory of source files like `Visualization.svelte`
│     - (used by datawrapper/frontend)
│
├── dist
│     - Files with global dependencies needed for chart rendering
│     - (used by datawrapper/{api,frontend})
│
└── vendor
      - Source vendor files that are copied into dist when package is published

Above are the interesting files and directories to render charts. Only lib/ and dist/ get packaged and published with npm.

API reference

Chart ⇒ class
Column ⇒ class
Dataset ⇒ class

Development

When changing core functionality it is advised to link a local copy of @datawrapper/chart-core in the datawrapper/api or datawrapper/frontend repositories. Follow these steps to link the package:

~/code/chart-core
❯  npm link

~/code/frontend
❯ npm link @datawrapper/chart-core

Everytime npm install is called after that, the link is removed. Usually it is enough to run the second step again.

Publishing

To publish this package run npm version {major|minor|patch} and npm publish. To publish you have to be part of the Datawrapper organization on npm.

Testing

To run the tests in chart-core, run

npm test

To run only a specific test file, run

npm test -- lib/shared.tests.mjs
npm test -- tests/header/headline.test.mjs

@datawrapper/controls @everything-registry/sub-chunk-224 @infinitebrahmanuniverse/nolb-_dataw @zalastax/nolb-_dataw

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