joyent-portal/packages/styled-is/README.md

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# styled-is
2017-06-01 00:35:35 +03:00
[![License: MPL 2.0](https://img.shields.io/badge/License-MPL%202.0-brightgreen.svg)](https://opensource.org/licenses/MPL-2.0)
[![npm](https://img.shields.io/npm/v/styled-is.svg)](https://npmjs.com/package/styled-is)
[![standard-readme compliant](https://img.shields.io/badge/standard--readme-OK-green.svg)](https://github.com/RichardLitt/standard-readme)
Flag utility for [`styled-components`](https://github.com/styled-components/styled-components).
## Table of Contents
- [Install](#install)
- [Usage](#usage)
- [License](#license)
## Install
```
yarn add --dev styled-is
```
## Usage
```js
import is, { isNot, isOr, isSomeNot } from 'styled-is';
import styled from 'styled-components';
const Div = styled.div`
display: block;
opacity: 0;
${is('red')`
background-color: red;
`};
${is('blue')`
background-color: blue;
`};
${is('red', 'blue')`
opacity: 1;
`};
${is('left')`
float: left;
`};
${is('right')`
float: right;
`};
${isNot('left', 'right')`
float: center;
`};
${isOr('left', 'right')`
position: relative;
`};
${isSomeNot('red', 'left')`
wat: 1;
`};
`;
```
```js
// display: block;
// opacity: 0;
// float: center;
// wat: 1;
<Div>
// display: block;
// opacity: 0;
// background-color: red;
// opacity: 1;
// float: center;
// wat: 1;
<Div red>
// display: block;
// opacity: 0;
// background-color: red;
// opacity: 1;
// float: left;
// position: relative;
<Div red left>
```
## License
MPL-2.0