56 lines
2.1 KiB
TypeScript
56 lines
2.1 KiB
TypeScript
import got from "got/dist/source"
|
|
import { SpotifyAlbum, SpotifyPlaylist, SpotifyVideo } from "./classes"
|
|
|
|
|
|
const pattern = /^((https:)?\/\/)?open.spotify.com\/(track|album|playlist)\//
|
|
|
|
export async function spotify(url : string): Promise<SpotifyAlbum | SpotifyPlaylist | SpotifyVideo>{
|
|
if(!url.match(pattern)) throw new Error('This is not a Spotify URL')
|
|
let embed = embed_url(url)
|
|
let response = await got(embed)
|
|
return parse_json(embed, response.body)
|
|
}
|
|
|
|
function parse_json(url : string, data : string): SpotifyAlbum | SpotifyPlaylist | SpotifyVideo{
|
|
let json_data = JSON.parse(decodeURIComponent(data.split('<script id="resource" type="application/json">')[1].split('</script>')[0]))
|
|
if(url.indexOf('track') !== -1){
|
|
return new SpotifyVideo(json_data)
|
|
}
|
|
else if(url.indexOf('album') !== -1){
|
|
return new SpotifyAlbum(json_data)
|
|
}
|
|
else if(url.indexOf('playlist') !== -1){
|
|
return new SpotifyPlaylist(json_data)
|
|
}
|
|
else throw new Error('Failed to parse data')
|
|
}
|
|
|
|
function embed_url(url : string): string{
|
|
if(url.indexOf('track') !== -1){
|
|
let trackID = url.split('track/')[1].split('?')[0].split('/')[0].split('&')[0]
|
|
return `https://open.spotify.com/embed/track/${trackID}`
|
|
}
|
|
else if(url.indexOf('album') !== -1){
|
|
let albumID = url.split('album/')[1].split('?')[0].split('/')[0].split('&')[0]
|
|
return `https://open.spotify.com/embed/album/${albumID}`
|
|
}
|
|
else if(url.indexOf('playlist') !== -1){
|
|
let playlistID = url.split('playlist/')[1].split('?')[0].split('/')[0].split('&')[0]
|
|
return `https://open.spotify.com/embed/playlist/${playlistID}`
|
|
}
|
|
else throw new Error('Unable to generate embed url for given spotify url.')
|
|
}
|
|
|
|
export function sp_validate(url : string): "track" | "playlist" | "album" | boolean{
|
|
if(!url.match(pattern)) return false
|
|
if(url.indexOf('track') !== -1){
|
|
return "track"
|
|
}
|
|
else if(url.indexOf('album') !== -1){
|
|
return "album"
|
|
}
|
|
else if(url.indexOf('playlist') !== -1){
|
|
return "playlist"
|
|
}
|
|
else return false
|
|
} |