726966fdc0
Summary: My benchmarks have shown react-emotion to be faster than the current implementation of `styled`. For this reason, I am converting all styling to [emotion](https://emotion.sh). Benchmark results: {F136839093} The syntax is very similar between the two libraries. The main difference is that emotion only allows a single function for the whole style attribute, whereas the old implementation had functions for every style-attirbute. Before: ``` { color: props => props.color, fontSize: props => props.size, } ``` After: ``` props => ({ color: props.color, fontSize: props.size, }) ``` Reviewed By: jknoxville Differential Revision: D9479893 fbshipit-source-id: 2c39e4618f7e52ceacb67bbec8ae26114025723f
37 lines
815 B
JavaScript
37 lines
815 B
JavaScript
/**
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* Copyright 2018-present Facebook.
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* This source code is licensed under the MIT license found in the
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* LICENSE file in the root directory of this source tree.
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* @format
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*/
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import {PureComponent} from 'react';
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import styled from '../styled/index.js';
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type CheckboxProps = {
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checked: boolean,
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onChange: (checked: boolean) => void,
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};
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const CheckboxContainer = styled('input')({
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display: 'inline-block',
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marginRight: 5,
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verticalAlign: 'middle',
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});
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export default class Checkbox extends PureComponent<CheckboxProps> {
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onChange = (e: SyntheticInputEvent<HTMLInputElement>) => {
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this.props.onChange(e.target.checked);
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};
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render() {
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return (
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<CheckboxContainer
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type="checkbox"
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checked={this.props.checked}
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onChange={this.onChange}
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/>
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);
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}
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}
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