abema-1080p.js

// ==UserScript==
// @name Abema 强制 1080p
// @description 把其他清晰度的播放列表强制指向1080p
// @version 1.2.0
// @run-at document-start
// @namespace Violentmonkey Scripts
// @match https://abema.tv/*
// @grant none
// ==/UserScript==

const relevantRegex = /\/\d+\/playlist\.m3u8|\/[va]\d+\/.+\.m4s|\/\d+p\.[12]\/.+\.m4s/

const rewrite = (source, url) => {
  if (!relevantRegex.test(url)) return url
  const next = url
    .replace(/\/\d+\/playlist\.m3u8/, '/1080/playlist.m3u8')
    .replace(/\/v\d+\/(.+\.m4s)/, '/v1080/$1')
    .replace(/\/a\d+\/(.+\.m4s)/, '/a1080/$1')
    .replace(/\/\d+p\.1\/(.+\.m4s)/, '/1080p.1/$1')
    .replace(/\/\d+p\.2\/(.+\.m4s)/, '/1080p.2/$1')
  if (next !== url) {
    console.info(`[abema-1080p] ${source} rewrite`)
    console.info(`  from: ${url}`)
    console.info(`    to: ${next}`)
  } else {
    console.info(`[abema-1080p] ${source} already 1080p: ${url}`)
  }
  return next
}

const originalFetch = window.fetch
window.fetch = (...args) => {
  if (typeof args[0] === 'string') args[0] = rewrite('fetch', args[0])
  return originalFetch(...args)
}
console.info('[abema-1080p] fetch patched')

const originalOpen = XMLHttpRequest.prototype.open
XMLHttpRequest.prototype.open = function (method, url, ...rest) {
  if (typeof url === 'string') url = rewrite('xhr', url)
  return originalOpen.call(this, method, url, ...rest)
}
console.info('[abema-1080p] XMLHttpRequest patched')