getWordDefinition.js

// ==UserScript==
// @name        Dicio.com.br popup
// @namespace   Violentmonkey Scripts
// @grant       none
// @version     1.0
// @author      -
// @description 11/28/2020, 10:08:13 AM
// ==/UserScript==

// plugin idea
// when user click 2 times in same target
//  try get word value from target
//  request definition from dictionary site
//  create pop-up with its definition


/**
 * Get word definition from `//dicio.com.br/`
 * 
 * @param {string} word 
 * @return {string}
 */
async function getWordDefinition (word) {
  // todo: sanitize word
  requestSettings = {
    "headers": {
      "accept": "text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.9",
      "accept-language": "en-US,en;q=0.9,pt-BR;q=0.8,pt;q=0.7",
      "cache-control": "max-age=0",
      "sec-fetch-dest": "document",
      "sec-fetch-mode": "navigate",
      "sec-fetch-site": "none", // cross-site
      "sec-fetch-user": "?1",
      "upgrade-insecure-requests": "0"
    },
    "method": "GET",
    "mode": "cors"
  }

  return await fetch(`//www.dicio.com.br/${word}`, requestSettings)
    .then(resp => resp)
}

console.log(getWordDefinition('prodigo'))