Native MathML for Wikipedia

Use MathML on Wikipedia.

K instalaci tototo skriptu si budete muset nainstalovat rozšíření jako Tampermonkey, Greasemonkey nebo Violentmonkey.

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

K instalaci tohoto skriptu si budete muset nainstalovat rozšíření jako Tampermonkey nebo Violentmonkey.

K instalaci tohoto skriptu si budete muset nainstalovat rozšíření jako Tampermonkey nebo Userscripts.

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

K instalaci tohoto skriptu si budete muset nainstalovat manažer uživatelských skriptů.

(Už mám manažer uživatelských skriptů, nechte mě ho nainstalovat!)

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.

(Už mám manažer uživatelských stylů, nechte mě ho nainstalovat!)

// ==UserScript==
// @name        Native MathML for Wikipedia
// @namespace   Violentmonkey Scripts
// @description Use MathML on Wikipedia.
//// http:
// @include       http://*wiki*
// @include       http://wikipedia.org/*
// @include       http://*.wikipedia.org/*
// @include       http://wiktionary.org/*
// @include       http://*.wiktionary.org/*
// @include       http://*/wiki/*
//// https:
// @include       https://*wiki*
// @include       https://wikipedia.org/*
// @include       https://*.wikipedia.org/*
// @include       https://wiktionary.org/*
// @include       https://*.wiktionary.org/*
// @include       https://*/wiki/*
// @version       0.1
// @author        loikein
// @license       MPL-2.0
// ==/UserScript==
// Adapted from: https://github.com/fred-wang/webextension-native-mathml/tree/master

/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

let menuConfig = "renderer:NativeMML"; // Force the native MathML output.
menuConfig += "&;semantics:true";      // Preserve semantics annotations.
menuConfig += "&;context:Browser";     // Force the browser context menu.
menuConfig += "&;zoom:None";           // Disable MathJax's zoom.

// Create a mjx.menu cookie for this document to modify the menu option.
document.cookie = `mjx.menu=${escape(menuConfig)}; path=/; SameSite=Strict`;

// Delete the cookie before leaving the page.
window.addEventListener("unload", () => {
  document.cookie = "mjx.menu=; path=/; expires=Thu, 01 Jan 1970 00:00:00 GMT; SameSite=Strict";
});

/**
 * https://stackoverflow.com/a/15506705/10668706
 * Utility function to add CSS in multiple passes.
 * @param {string} styleString
 */
function addStyle(styleString) {
  const style = document.createElement('style');
  style.textContent = styleString;
  document.head.append(style);
}

addStyle(`
.mwe-math-mathml-a11y {
    clip: auto !important;
    overflow: visible !important;
    position: static !important;
    width: auto !important;
    height: auto !important;
    opacity: 1 !important;
    display: inherit !important;
}
body.mediawiki .ve-ce-mwLatexNode .mwe-math-mathml-a11y {
    /* override https://phabricator.wikimedia.org/diffusion/EMAT/browse/master/modules/ve-math/ve.ce.MWLatexNode.css */
    display: inherit !important;
}
/* Support where MediaWiki lazy loaded images */
.mwe-math-mathml-inline ~ .lazy-image-placeholder,
.mwe-math-mathml-display ~ .lazy-image-placeholder,
/* Support where MediaWiki doesn't lazy load images */
.mwe-math-mathml-inline + .mwe-math-fallback-image-inline,
.mwe-math-mathml-display + .mwe-math-fallback-image-display {
    display: none !important;
}
`);