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react-colorpickr

(★ 207)

A themeable colorpicker with HSL and RGB support for React

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Download Latest Version (.zip)

- .gitignore
- pre-commit
- colorpickr.css
- iframe.html
- index.html
- index.js
- - colorpickr.test.tsx.snap
- - eyedropper-input.test.tsx
  - eyedropper-input.tsx
  - number-input.test.tsx
  - number-input.tsx
  - slider-input.test.tsx
  - slider-input.tsx
  - xy-input.test.tsx
  - xy-input.tsx
- - mr-ui.d.ts
  - react-themeable.d.ts
- autokey.ts
- colorfunc.test.ts
- colorfunc.ts
- colorpickr.test.tsx
- colorpickr.tsx
- theme.ts
.artifacts.yml
.eslintignore
.eslintrc
.gitignore
.nvmrc
.publisher.yml
.travis.yml
_config.yml
babel.config.js
CHANGELOG.md
CODEOWNERS
jest-setup.js
LICENCE
package-lock.json
package.json
README.md
tsconfig.json

# Installation Guide

1. Get the code

git clone https://github.com/mapbox/react-colorpickr

Downloads the entire project code from GitHub to your computer.

cd react-colorpickr

Moves into the project folder you just downloaded.

2. Node.js

Easy Recommended

Prerequisites

Git Needed to download the project code from GitHub.
Node.js Node.js must be installed to use npm. The LTS version is recommended.

npm install @mapbox/react-colorpickr

Downloads and installs the libraries listed in package.json.

npm install & npm start

Downloads and installs the libraries listed in package.json.

✅ After running the command, open the address shown in the terminal (usually something like http://localhost:3000) in your browser.

Pulled directly from this repo's README.

// repository documentation

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A colorpicker for React
---

[![npm version](http://img.shields.io/npm/v/@mapbox/react-colorpickr.svg)](https://npmjs.org/package/@mapbox/react-colorpickr) [![Build Status](https://travis-ci.com/mapbox/react-colorpickr.svg?branch=publisher-production)](https://travis-ci.com/mapbox/react-colorpickr)

__[Demo](https://labs.mapbox.com/react-colorpickr/)__

## Install

npm install @mapbox/react-colorpickr

You'll also want to include a copy of [colorpickr.css](./example/colorpickr.css) in your code.

``` html
<link href='react-colorpickr.css' rel='stylesheet' />
```

## Usage

```js
import React from 'react'
import ColorPicker from '@mapbox/react-colorpickr'

function Example() {
  return (
    <ColorPicker onChange={console.log} />
  )
}
```

## Required properties

#### onChange `(color) => void`

Value should be a function and is called whenever a color is updated from the colorpicker. Returns a color object.

## Optional properties

#### theme `Object<[key: string]: string>`

By default, react-colorpickr depends on [Assembly](https://labs.mapbox.com/assembly/) and the CSS located in [`dist/colorpickr.css`](./example/colorpickr.css). You can however, override it thanks to [react-themeable](https://github.com/markdalgleish/react-themeable) which react-colorpickr uses internally. See the properties used and the class name values in [`theme.ts`](./src/theme.ts).

#### initialValue `string`

Accepts any [valid css color](https://developer.mozilla.org/en-US/docs/Web/CSS/color_value). If this isn't provided, a default color is used.

#### colorSpace `'hsl' | 'rgb' | 'hex'`

Initializes what should be displaed in the bottom color input. Defaults to `hex`.

#### mode `'disc' | 'values'`

Initializes which view tab is active. Defaults to `disc`.

#### eyedropper `boolean`

When `true`, an eyedropper is added to the top-right of the interface. Defaults to `true`.

#### reset `boolean`

When `true`, a reset button is added that when pressed, reverts to the initialized color. Defaults to `true`.

#### alpha `boolean`

When `true`, a alpha range slider and input is provided. Defatuls to `true`.

#### mounted `(ColorPickr) => void`

To use internal methods from react-colorpickr, `mounted` provides access to the components instance. This is helpful for calling methods like `overrideValue` that can manually set a new color.

```js
const [instance, setInstance] = useState(null);

const override = () => {
  instance.overrideValue('red');
};

render() {
  <>
    <ColorPickr mounted={picker => setInstance(picker)} onChange={console.log} />
    <button onClick={override}>Override</button>
  </>
}
```

#### discRadius `number`

Optional property to provide a different disc radius for selection. Helpful if you are re-themeing the interface. Defaults to `18`.

#### readOnly `boolean`

If `true` the colorpicker will render in a readonly state with values clearly shown and selectable, but not editable. Defaults to `false`.

## Developing

npm install & npm start
    
Then open http://localhost:9966 in browser.