WaniKani Hide Context Sentence

Hide context sentences until hovered.
当前为 2022-10-21 提交的版本，查看最新版本。
换行
// ==UserScript==
// @name        WaniKani Hide Context Sentence
// @namespace   rfindley
// @description Hide context sentences until hovered.
// @version     1.0.5
// @match       https://www.wanikani.com/review/session*
// @match       https://www.wanikani.com/lesson/session*
// @match       https://www.wanikani.com/vocabulary/*
// @match       https://www.wanikani.com/level/*/vocabulary/*
// @match       https://preview.wanikani.com/review/session*
// @match       https://preview.wanikani.com/lesson/session*
// @match       https://preview.wanikani.com/vocabulary/*
// @match       https://preview.wanikani.com/level/*/vocabulary/*
// @copyright   2015+, Robin Findley
// @license     MIT; http://opensource.org/licenses/MIT
// @run-at      document-end
// @grant       none
// ==/UserScript==

(function(gobj) {
    var css = `
        .context-sentence-group p:not([lang="ja"]):not(:hover) {
            background-color:#ccc;
            color:#ccc;
            text-shadow:none;
        }
    `;

    // Function to add a style tag.
    function add_css(css) {
        let style = document.createElement('style');
        style.setAttribute('type', 'text/css');
        let text = document.createTextNode(css);
        style.appendChild(text);
        document.head.append(style);
    }

    // Insert CSS
    add_css(css);

    // Add '.context-sentence-group' to sentences on Vocab pages.
    if (window.location.pathname.match(/^\/vocabulary\//)) {
        Array.from(document.querySelectorAll('.subject-section--context .subject-section__subtitle'))
            .find((node) => node.textContent.match('Context Sentences'))
            .closest('section')
            .querySelectorAll('.subject-section__text')
            .forEach((elem) => elem.classList.add('context-sentence-group'));
    }

}());