Default headers:
`
{
'Accept': 'text/html, application/xhtml+xml',
'User-Agent': 'facebookexternalhit'
}
`
---
#
`typescript
import { unfurl } from 'unfurl.js'
const result = unfurl('https://github.com/trending')
`
---
#### result is >
`typescript
type Metadata = {
title?: string
description?: string
keywords?: string[]
favicon?: string
author?: string
theme_color?: string
canonical_url?: string
oEmbed?: OEmbedPhoto | OEmbedVideo | OEmbedLink | OEmbedRich
twitter_card: {
card: string
site?: string
creator?: string
creator_id?: string
title?: string
description?: string
players?: {
url: string
stream?: string
height?: number
width?: number
}[]
apps: {
iphone: {
id: string
name: string
url: string
}
ipad: {
id: string
name: string
url: string
}
googleplay: {
id: string
name: string
url: string
}
}
images: {
url: string
alt: string
}[]
}
open_graph: {
title: string
type: string
images?: {
url: string
secure_url?: string
type: string
width: number
height: number
alt?: string
}[]
url?: string
audio?: {
url: string
secure_url?: string
type: string
}[]
description?: string
determiner?: string
site_name?: string
locale: string
locale_alt: string
videos: {
url: string
stream?: string
height?: number
width?: number
tags?: string[]
}[]
article: {
published_time?: string
modified_time?: string
expiration_time?: string
author?: string
section?: string
tags?: string[]
}
}
}

type OEmbedBase = {
type: "photo" | "video" | "link" | "rich"
version: string
title?: string
author_name?: string
author_url?: string
provider_name?: string
provider_url?: string
cache_age?: number
thumbnails?: [
{
url?: string
width?: number
height?: number
}
]
}

type OEmbedPhoto = OEmbedBase & {
type: "photo"
url: string
width: number
height: number
}

type OEmbedVideo = OEmbedBase & {
type: "video"
html: string
width: number
height: number
}

type OEmbedLink = OEmbedBase & {
type: "link"
}

type OEmbedRich = OEmbedBase & {
type: "rich"
html: string
width: number
height: number
}
``

The who 💖