Bunpro: Toggle Tense Tip

Automatically hides the tense tip on review and cram pages - press spacebar to toggle

You will need to install an extension such as Tampermonkey, Greasemonkey or Violentmonkey to install this script.

You will need to install an extension such as Tampermonkey to install this script.

You will need to install an extension such as Tampermonkey or Violentmonkey to install this script.

You will need to install an extension such as Tampermonkey or Userscripts to install this script.

You will need to install an extension such as Tampermonkey to install this script.

You will need to install a user script manager extension to install this script.

(I already have a user script manager, let me install it!)

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

(I already have a user style manager, let me install it!)

// ==UserScript==
// @name         Bunpro: Toggle Tense Tip
// @namespace    http://tampermonkey.net/
// @version      0.1.2
// @description  Automatically hides the tense tip on review and cram pages - press spacebar to toggle
// @author       yndajas, durtle9831/memosiki (draft toggle logic)
// @license      MIT
// @include      *bunpro.jp*
// @exclude      *community.bunpro.jp*
// @require      https://greasyfork.org/scripts/432418-wait-for-selector/code/Wait%20For%20Selector.js?version=974366
// @require      https://greasyfork.org/scripts/370623-bunpro-helpful-events/code/Bunpro:%20Helpful%20Events.js?version=974369
// @grant        none
// ==/UserScript==

(() => {
  const placeholder = "_________";
  let tense;
  let studyAreaInput;
  let currentTenseAttribute;

  const toggleTenseAttribute = () => {
    const newTenseAttribute = (currentTenseAttribute === tense ? placeholder : tense);
    studyAreaInput.setAttribute("data-tense", newTenseAttribute);
    currentTenseAttribute = newTenseAttribute;
  }

  const html = document.getElementsByTagName('HTML')[0];

  // wait until reviewing
  html.addEventListener('quiz-page', () => {
    // wait for new review item
    html.addEventListener('new-review-item', (event) => {
      // get element and current tense attribute
      studyAreaInput = document.getElementsByClassName("study-area-input")[0];
      currentTenseAttribute = studyAreaInput.getAttribute("data-tense");

      // set tense if attribute exists and isn't the placeholder; hide tense inititally
      if (currentTenseAttribute && currentTenseAttribute !== placeholder) {
        tense = currentTenseAttribute;
        toggleTenseAttribute();
      }
    });
  })

  const handleSpaceKey = (event) => {
    if (event.keyCode === 32 && currentTenseAttribute) {
      toggleTenseAttribute();
    }
  }

  // toggle tense on space bar
  const studyAnswerInput = document.getElementById("study-answer-input");
  [html, studyAnswerInput].forEach((element) => {
    element.addEventListener('keydown', handleSpaceKey);
  });
})();