remove-items-from-olx-search.user.js

// ==UserScript==
// @name        Remove items wich "tilha" on name - olx.com.br
// @namespace   Violentmonkey Scripts
// @match       https://*.olx.com.br/*
// @author      https://linktr.ee/andersonbosa
// ==/UserScript==

/**
 * The expression to remove from your search.
 *
 * @see {@link https://en.wikipedia.org/wiki/Regular_expression} to further information about `regex`
 * @see {@link https://regex101.com/} regex playground
 */
const REGEXNAME = /trilha/gi

/**
 * Checks if is a valid item to remove.
 *
 * @params {HTMLElement} item
 */
const isToRemove = item => {
  const itemTitle = item.querySelector('h2')
  const title = (itemTitle && itemTitle.innerText) || ''
  if (!title) {
    return
  }
  const isToRemove = REGEXNAME.test(title)
  return isToRemove
}

/**
 * Deface the item HTML to empty.
 *
 * @params {HTMLElement} item
 */
const removeItem = item => {
  if (!item) {
    return
  }
  item.innerHTML = ''
}

/**
 * Based on heuristics written in the `isToRemove` function, it checks and
 * defaces the undesirable item.
 *
 * @see {isToRemove} to further information about which item is to remove.
 */
function removeItemsFromSearch() {
  console.log('------------- removeItemsFromSearch is active -------------')

  const items = window.document.querySelectorAll('ul#ad-list > li')
  Array.from(items).forEach(item => {
    const removable = isToRemove(item)
    if (removable) removeItem(item)
  })
}

/**
 * Start the function after 3 seconds
 */
setTimeout(removeItemsFromSearch, 3000)