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103 lines
2.9 KiB
JavaScript

import React from 'react'
import Head from 'next/head'
import { THEMES, THEMES_HASH } from '../lib/constants'
import Reset from './style/Reset'
import Font from './style/Font'
import Typography from './style/Typography'
const LOCAL_STYLESHEETS = ['one-light', 'one-dark', 'verminal', 'night-owl', 'nord']
const CDN_STYLESHEETS = THEMES.filter(t => LOCAL_STYLESHEETS.indexOf(t.id) < 0)
export const StylesheetLink = ({ theme }) => {
let href
if (LOCAL_STYLESHEETS.indexOf(theme) > -1) {
href = `/static/themes/${theme}.css`
} else {
const themeDef = THEMES_HASH[theme]
href = `//cdnjs.cloudflare.com/ajax/libs/codemirror/5.42.2/theme/${themeDef &&
(themeDef.link || themeDef.id)}.min.css`
}
return (
<Head>
<link key={href} rel="stylesheet" href={href} />
</Head>
)
}
export const CodeMirrorLink = () => (
<Head>
<link
key="//cdnjs.cloudflare.com/ajax/libs/codemirror/5.42.2/codemirror.min.css"
rel="stylesheet"
href="//cdnjs.cloudflare.com/ajax/libs/codemirror/5.42.2/codemirror.min.css"
/>
</Head>
)
export const MetaTags = () => (
<Head>
<meta charSet="utf-8" />
<meta httpEquiv="X-UA-Compatible" content="IE=edge" />
<meta name="viewport" content="width=device-width, initial-scale=1" />
<meta
name="description"
content="Carbon is the easiest way to create and share beautiful images of your source code."
/>
<meta name="application-name" content="Carbon" />
<meta name="twitter:title" content="Carbon" />
<meta
name="twitter:description"
content="Carbon is the easiest way to create and share beautiful images of your source code."
/>
<meta name="og:title" content="Carbon" />
<meta
name="og:description"
content="Carbon is the easiest way to create and share beautiful images of your source code."
/>
<meta name="og:image" content="/static/banner.png" />
<meta name="theme-color" content="#121212" />
<title>Carbon</title>
<link rel="shortcut icon" href="/static/favicon.ico" />
<link rel="manifest" href="/static/manifest.json" />
</Head>
)
/*
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* Before supporting <link rel="preload"> verify that it is widely supported in FireFox
* with out a flag here: https://caniuse.com/#feat=link-rel-preload
*/
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export const MetaLinks = () => {
const onBrowser = typeof window !== 'undefined'
return (
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<React.Fragment>
<StylesheetLink theme="seti" />
<CodeMirrorLink />
{LOCAL_STYLESHEETS.map(id => (
<StylesheetLink key={id} theme={id} />
))}
{onBrowser
? CDN_STYLESHEETS.map(theme => <StylesheetLink key={theme.id} theme={theme.id} />)
: null}
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</React.Fragment>
)
}
export const Styles = () => (
<React.Fragment>
<Reset />
<Font />
<Typography />
</React.Fragment>
)
export default function Meta() {
return (
<React.Fragment>
<MetaTags />
<Styles />
</React.Fragment>
)
}