noFlashNicoVideo

noFlashNicoVideo.js

(() => {
	// Remove flash player notify
	const notifyOverlay = document.querySelector('.notify_update_flash_player')
	if(notifyOverlay){
		document.body.removeChild(notifyOverlay)
	}

	const videoID = JSON.parse(document.getElementById('watchAPIDataContainer').innerHTML).flashvars.videoId
	const playerContainer = document.getElementById('playerContainerWrapper')

	removeAllChild(playerContainer)

	fetch(`http://flapi.nicovideo.jp/api/getflv?v=${videoID}`, {
		mode: 'cors',
		credentials: 'include'
	}).then(res => res.text()).then(res => {
		const video = document.createElement('video')

		Object.assign(video, {
			src: decodeURIComponent(res.match(/url=([^&]*)/)[1]),
			autoplay: true,
			controls: true,
			style: 'display: block; width: 1008px; margin: 0 auto;'
		})

		playerContainer.appendChild(video)
	})

	function removeAllChild(element){
		Array.from(element.childNodes).forEach(child => element.removeChild(child))
	}
})()