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Materials Project Dash Components

Materials Project Dash Components is a Dash component library that ports components from mp-react-components.

See examples and documentation

Get started with:

Install Dash and its dependencies: https://dash.plot.ly/installation
Run python usage.py
Visit http://localhost:8050 in your web browser

Install dependencies

If you have selected install_dependencies during the prompt, you can skip this part.

Install npm packages
```
$ npm install
```
Create a virtual env and activate.
```
$ virtualenv venv
$ . venv/bin/activate
```
Note: venv\Scripts\activate for windows
Install python packages required to build components.
```
$ pip install -r requirements.txt
```
Install the python packages for testing (optional)
```
$ pip install -r tests/requirements.txt
```

Adding a Component

Add a new component file inside of one of the directories in src/lib/components and name the file MyComponent.react.js (where "MyComponent" is replaced with the name of the new component).

The components in this library are all ported from mp-react-components so the component files should simply wrap the component from mp-react-components and redefine the prop types for the component.

import * as mpc from '@materialsproject/mp-react-components';
import {Component} from 'react';
import React from 'react';
import PropTypes from 'prop-types';

export default class MyComponent extends Component {
    render() {
        return <mpc.MyComponent {...this.props} />;
    }
}

MyComponent.propTypes = {
    id: PropTypes.string,
    className: PropTypes.string,
    setProps: PropTypes.func,
    children: PropTypes.node
};

Note that if the react component utilizes the children prop, make sure that prop is included in the propTypes object with the type PropTypes.node. If the react component is not configured to accept any children, then this prop should not be included.

Building the Dash Components

First, make sure that you have pulled in the latest changes from mp-react-components:

npm install @materialsproject/mp-react-components@next

After updating the JavaScript component files and the mp-react-components dependency, you need to run the build process to generate the Dash versions of the components:

npm run build

If you are using a virtual environment, make sure it is activated when you run the build command.

Publishing Changes

Commit the changes and freshly built components:

git commit -am "Update components"

Tag and push a new version

npm version patch|minor|major

This will automatically bumps the version number in package.json, create a tag in the local repository, and push it to github. A github action will build and publish the python package.

Updating the Library with Changes from mp-react-components

In some cases, the changes made in mp-react-components won't require any new component files or props. In this case, you still need to update the package from npm and run the build steps:

npm install @materialsproject/mp-react-components@next
npm run build
git commit -am "Update mp-react-components"
npm version patch

Manually Create a production build and publish:

Build your code:
```
$ npm run build
```
Create a Python tarball
```
$ python setup.py sdist
```
This distribution tarball will get generated in the dist/ folder
Test your tarball by copying it into a new environment and installing it locally:
```
$ pip install dash_mp_components-x.x.x.tar.gz
```
If it works, then you can publish the component to NPM and PyPI:
1. Publish on PyPI
```
$ twine upload dist/*
```
2. Cleanup the dist folder (optional)
```
$ rm -rf dist
```
3. Publish on NPM (Optional if chosen False in publish_on_npm)
```
$ npm publish
```
  Publishing your component to NPM will make the JavaScript bundles available on the unpkg CDN. By default, Dash serves the component library's CSS and JS locally, but if you choose to publish the package to NPM you can set serve_locally to False and you may see faster load times.
To publish a new version from github, use npm version

The components are currently published in the test index, so you'll need to specify the url of the index when you install the package pip install --index-url https://test.pypi.org/simple/ dash-mp-components

dash-component-boilerplate

This project was generated by the dash-component-boilerplate it contains the minimal set of code required to create your own custom Dash component.