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 1.1.0
// @run-at document-start
// @namespace Violentmonkey Scripts
// @match https://abema.tv/*
// @grant none
// ==/UserScript==

const originalFetch = window.fetch

window.fetch = (...args) => {
  const regex = /\/\d+\/playlist\.m3u8/

  if (typeof args[0] === 'string' && args[0].match(regex)) {
    args[0] = args[0].replace(regex, '/1080/playlist.m3u8')
    console.log(args[0])
  }

  return originalFetch(...args)
}