manifold/web/components/SEO.tsx
Austin Chen feca042e47
Use the generated OpenGraph card in all markets (#23)
* Run OpenGraph server on dev port 3001

* Cut '%' since frontend already passes it

* Use the generated card in markets

* Rename to ogCardProps

* Don't show creator avatar url, for now

* Remove bad comment
2022-01-10 02:05:24 -05:00

80 lines
1.9 KiB
TypeScript

import Head from 'next/head'
export type OgCardProps = {
question: string
probability: string
metadata: string
creatorName: string
creatorUsername: string
// TODO: Store creator avatar url in each contract, then enable this
// creatorAvatarUrl: string
}
function buildCardUrl(props: OgCardProps) {
// URL encode each of the props, then add them as query params
return (
`https://manifold-og-image.vercel.app/m.png` +
`?question=${encodeURIComponent(props.question)}` +
`&probability=${encodeURIComponent(props.probability)}` +
`&metadata=${encodeURIComponent(props.metadata)}` +
`&creatorName=${encodeURIComponent(props.creatorName)}` +
`&creatorUsername=${encodeURIComponent(props.creatorUsername)}`
)
}
export function SEO(props: {
title: string
description: string
url?: string
children?: any[]
ogCardProps?: OgCardProps
}) {
const { title, description, url, children, ogCardProps } = props
return (
<Head>
<title>{title} | Manifold Markets</title>
<meta
property="og:title"
name="twitter:title"
content={title}
key="title"
/>
<meta name="description" content={description} key="description1" />
<meta
property="og:description"
name="twitter:description"
content={description}
key="description2"
/>
{url && (
<meta
property="og:url"
content={'https://manifold.markets' + url}
key="url"
/>
)}
{ogCardProps && (
<>
<meta
property="og:image"
content={buildCardUrl(ogCardProps)}
key="image1"
/>
<meta name="twitter:card" content="summary_large_image" key="card" />
<meta
name="twitter:image"
content={buildCardUrl(ogCardProps)}
key="image2"
/>
</>
)}
{children}
</Head>
)
}