filter best parses per job for FF Logs website

filter-best-parses.js

// ==UserScript==
// @name        filter-best-parses
// @namespace   https://gist.github.com/ChalkPE
// @version     1.0
// @description filter best parses per job for FF Logs website
// @match       https://*.fflogs.com/*
// @run-at      document-idle
// ==/UserScript==

(() => {
  const sort = sorter => (sorter.click(), sorter.click())
  const display = v => elem => elem && (elem.style.display = v)
  const job = row => row.querySelector`.rank-percent img`.className
  const bad = (row, index, rows) => index !== rows.findIndex(r => job(row) === job(r))
  const hide = (...rows) => (bads => (bads.forEach(display`none`), bads))(rows.filter(bad))

  display`none`(document.querySelector`#top-box`)
  display`none`(document.querySelector`#qc-cmp2-container`)
  display`inherit`(document.querySelector`#guild-and-server`)
  sort(document.querySelector`#boss-table thead th:first-child`)
  return hide(...document.querySelectorAll`#boss-table tbody tr`)
})()