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serverless_youtubeapi.js
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serverless_youtubeapi.js
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async function getVideoDetails (id, hostname) {
const key = 'YOUTUBE_API_KEY'
if (!id) {
return 'Please provide an id'
}
const response = await fetch(`https://www.googleapis.com/youtube/v3/videos?id=${id}&part=snippet&key=${key}`, {
headers: {
'Access-Control-Allow-Origin': hostname,
'Content-Type': 'application/json'
},
crossdomain: true
})
.then(resp => resp.json())
.then((response) => {
const videoDetails = response.items[0].snippet
const channel = videoDetails.channelTitle
const title = videoDetails.localized.title
const thumbnails = videoDetails.thumbnails
const videoDetailsObj = {
id: id,
title: title,
channel: channel,
thumb: thumbnails
}
return videoDetailsObj
})
.catch(() => {
return 'Invalid id or failed request to YouTube'
})
return response
}
const corsHeaders = {
'Access-Control-Allow-Origin': '*',
// 'Access-Control-Allow-Origin': "https://yourdomain",
'Access-Control-Allow-Methods': 'GET, HEAD, POST, OPTIONS',
'Access-Control-Allow-Headers': 'Content-Type'
}
async function handleRequest (request) {
const url = new URL(request.url)
const hostname = url.hostname
const videoId = url.searchParams.get('vid')
const videoDetails = await getVideoDetails(videoId, hostname)
return new Response(JSON.stringify(videoDetails), {
headers: corsHeaders,
status: 200
})
}
addEventListener('fetch', event => {
if (event.request.method !== 'PUT' || event.request.method !== 'DELETE') {
return event.respondWith(handleRequest(event.request))
} else {
return new Response(null, {
status: 405,
statusText: 'Method Not Allowed'
})
}
})