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carbon/components/Carbon.js

259 lines
7.2 KiB
JavaScript

import { EOL } from 'os'
import * as hljs from 'highlight.js'
import React from 'react'
import Spinner from 'react-spinner'
import toHash from 'tohash'
import debounce from 'lodash.debounce'
import ms from 'ms'
import WindowControls from '../components/WindowControls'
import CodeMirror from '../lib/react-codemirror'
import {
COLORS,
DEFAULT_LANGUAGE,
LANGUAGES,
LANGUAGE_MODE_HASH,
LANGUAGE_NAME_HASH
} from '../lib/constants'
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const DEFAULT_SETTINGS = {
paddingVertical: '50px',
paddingHorizontal: '50px',
marginVertical: '45px',
marginHorizontal: '45px',
background: 'rgba(171, 184, 195, 1)',
dropShadowOffsetY: '20px',
dropShadowBlurRadius: '68px',
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theme: 'seti',
windowTheme: 'none',
language: DEFAULT_LANGUAGE,
fontFamily: 'Hack',
fontSize: '14px'
}
class Carbon extends React.Component {
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constructor(props) {
super(props)
this.state = {
loading: true,
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language: props.config.language
}
this.handleLanguageChange = this.handleLanguageChange.bind(this)
this.codeUpdated = this.codeUpdated.bind(this)
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}
componentDidMount() {
this.setState({
loading: false
})
this.handleLanguageChange(this.props.children)
}
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componentWillReceiveProps(newProps) {
this.handleLanguageChange(newProps.children, { customProps: newProps })
}
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codeUpdated(newCode) {
this.handleLanguageChange(newCode)
this.props.updateCode(newCode)
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}
handleLanguageChange = debounce(
(newCode, config) => {
const props = (config && config.customProps) || this.props
if (props.config.language === 'auto') {
// try to set the language
const detectedLanguage = hljs.highlightAuto(newCode).language
const languageMode =
LANGUAGE_MODE_HASH[detectedLanguage] || LANGUAGE_NAME_HASH[detectedLanguage]
if (languageMode) {
this.setState({ language: languageMode.mime || languageMode.mode })
}
} else {
this.setState({ language: props.config.language })
}
},
ms('300ms'),
{ trailing: true }
)
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render() {
const config = { ...DEFAULT_SETTINGS, ...this.props.config }
const options = {
lineNumbers: config.lineNumbers,
mode: this.state.language || 'plaintext',
theme: config.theme,
scrollBarStyle: null,
viewportMargin: Infinity,
lineWrapping: true
}
// set content to spinner if loading, else editor
let content = (
<div>
<Spinner />
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<style jsx>
{`
div {
height: 352px;
}
`}
</style>
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</div>
)
if (this.state.loading === false) {
content = (
<div id="container">
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{config.windowControls ? <WindowControls theme={config.windowTheme} /> : null}
<CodeMirror
className={`CodeMirror__container window-theme__${config.windowTheme}`}
onBeforeChange={(editor, meta, code) => this.codeUpdated(code)}
value={this.props.children}
options={options}
/>
<div id="container-bg">
<div className="white eliminateOnRender" />
<div className="alpha eliminateOnRender" />
<div className="bg" />
</div>
<style jsx>{`
#container {
position: relative;
min-width: ${config.widthAdjustment ? '90px' : '680px'};
max-width: 1024px; /* The Fallback */
max-width: 92vw;
padding: ${config.paddingVertical} ${config.paddingHorizontal};
}
#container #container-bg {
position: absolute;
top: 0px;
right: 0px;
bottom: 0px;
left: 0px;
}
#container .white {
background: #fff;
position: absolute;
top: 0px;
right: 0px;
bottom: 0px;
left: 0px;
}
#container .bg {
background: ${this.props.config.background || config.background};
position: absolute;
top: 0px;
right: 0px;
bottom: 0px;
left: 0px;
}
#container .alpha {
position: absolute;
top: 0px;
right: 0px;
bottom: 0px;
left: 0px;
background: url(data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAQCAYAAAAf8/9hAAAAMUlEQVQ4T2NkYGAQYcAP3uCTZhw1gGGYhAGBZIA/nYDCgBDAm9BGDWAAJyRCgLaBCAAgXwixzAS0pgAAAABJRU5ErkJggg==)
left center;
}
#container :global(.cm-s-dracula .CodeMirror-cursor) {
border-left: solid 2px #159588;
}
#container :global(.cm-s-solarized) {
box-shadow: none;
}
#container :global(.cm-s-solarized.cm-s-light) {
text-shadow: #eee8d5 0 1px;
}
#container :global(.CodeMirror-gutters) {
background-color: unset;
border-right: none;
}
#container :global(.CodeMirror__container) {
min-width: inherit;
position: relative;
z-index: 1;
border-radius: 5px;
${config.dropShadow
? `box-shadow: 0 ${config.dropShadowOffsetY} ${
config.dropShadowBlurRadius
} rgba(0, 0, 0, 0.55)`
: ''};
}
#container :global(.CodeMirror__container .CodeMirror) {
height: auto;
min-width: inherit;
padding: 18px 18px;
${config.lineNumbers ? 'padding-left: 12px;' : ''} border-radius: 5px;
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font-family: ${config.fontFamily}, monospace !important;
font-size: ${config.fontSize};
font-variant-ligatures: contextual;
font-feature-settings: 'calt' 1;
user-select: none;
}
#container :global(.CodeMirror-scroll) {
overflow: hidden !important;
}
#container :global(.window-theme__sharp > .CodeMirror) {
border-radius: 0px;
}
#container :global(.window-theme__bw > .CodeMirror) {
border: 2px solid ${COLORS.SECONDARY};
}
#container :global(.window-controls + .CodeMirror__container > .CodeMirror) {
padding-top: 48px;
}
`}</style>
</div>
)
}
return (
<div id="section">
<div id="export-container">
{content}
<div id="twitter-png-fix" />
</div>
<style jsx>{`
#section,
#export-container {
height: 100%;
display: flex;
flex-direction: column;
justify-content: center;
align-items: center;
overflow: hidden;
}
/* forces twitter to save images as png — https://github.com/dawnlabs/carbon/issues/86 */
#twitter-png-fix {
height: 1px;
width: 100%;
background: rgba(0, 0, 0, 0.01);
}
`}</style>
</div>
)
}
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}
export default Carbon