GreasyFork Code: Syntax Highlight by highlight.js

To syntax highlight GreasyFork Code by highlight.js

Pada tanggal 14 Desember 2023. Lihat %(latest_version_link).

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 or Violentmonkey 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         GreasyFork Code: Syntax Highlight by highlight.js
// @namespace    Violentmonkey Scripts
// @grant        none
// @version      0.4.2
// @author       CY Fung
// @description  To syntax highlight GreasyFork Code by highlight.js
// @run-at       document-start
// @inject-into  page
// @unwrap
// @license      MIT
// @match        https://greatest.deepsurf.us/*
// @match        https://sleazyfork.org/*
// @require      https://cdnjs.cloudflare.com/ajax/libs/highlight.js/11.9.0/highlight.min.js
// @require      https://cdnjs.cloudflare.com/ajax/libs/highlight.js/11.9.0/languages/javascript.min.js
// @require      https://cdnjs.cloudflare.com/ajax/libs/highlight.js/11.9.0/languages/css.min.js
// @require      https://cdnjs.cloudflare.com/ajax/libs/highlight.js/11.9.0/languages/stylus.min.js
// ==/UserScript==


(() => {
    let byPass = true;

    const resoruces = {
        'nnfx-light.css': 'https://cdnjs.cloudflare.com/ajax/libs/highlight.js/11.9.0/styles/nnfx-light.min.css'
    }

    function selectAllWithinElement(element) {
        // Clear any current selections
        window.getSelection().removeAllRanges();

        // Create a new range
        let range = document.createRange();

        // Check if the element exists
        if (element) {
            // Select all content within the element
            range.selectNodeContents(element);

            // Add the range to the selection
            window.getSelection().addRange(range);
        } else {
            console.error('Element not found with ID:', element);
        }
    }
    document.addEventListener('keydown', (e) => {
        if (e && e.code === 'KeyA' && e.isTrusted && (e.metaKey || e.ctrlKey) && !e.shiftKey && !e.altKey) {

            const target = e.target;
            const container = target ? target.closest('div.code-container') : null;
            const code = container ? container.querySelector('code') : null;

            if (container && code) {

                e.preventDefault();
                e.stopPropagation();
                e.stopImmediatePropagation();

                setTimeout(() => {
                    selectAllWithinElement(code);
                }, 1)

            }

        }
    }, true)


    const Promise = (async function () { })().constructor;


    const documentReady = new Promise(resolve => {
        Promise.resolve().then(() => {
            if (document.readyState !== 'loading') {
                resolve();
            } else {
                window.addEventListener("DOMContentLoaded", resolve, false);
            }
        });
    });


    async function doAction() {

        await new Promise(r => setTimeout(r, 1));

        document.head.appendChild(document.createElement('style')).textContent = `

            .code-container{
                height:100vh;
            }
            .code-container .CodeMirror, .code-container textarea{
                height:100%;
            }
        `;

        if (window.requestIdleCallback) await new Promise(r => !!window.requestIdleCallback(r));
        else {
            await new Promise(r => !!window.requestAnimationFrame(r));
            await new Promise(r => !!window.setTimeout(r, 170));
            await new Promise(r => !!window.requestAnimationFrame(r));
        }

        byPass = false;

    }


    let mgg = 0;
    async function mTz() {
        if (mgg) return;
        mgg = 1;
        documentReady.then(doAction);
    }

    function getElementsByTagName(tag) {
        if (byPass) {
            if (tag === 'pre' || tag === 'code' || tag === 'xmp') {
                if (location.pathname.endsWith('/code')) {
                    setTimeout(mTz, 100)
                    return [];
                }
            }
        }
        return this.getElementsByTagName331(tag);
    }

    async function onBodyHeadReadyAsync() {

        if (document.body && document.head) {


        } else {

            const promiseBegin = new Promise(resolve => {

                let mo = new MutationObserver(() => {
                    if (document.body && document.head) {
                        mo.disconnect();
                        mo.takeRecords();
                        mo = null;
                        resolve();
                    }

                });
                mo.observe(document, { subtree: true, childList: true });

            });

            await promiseBegin.then();

        }

    }


    // Load CSS
    function loadCSS(href) {
        const link = document.createElement('link');
        link.rel = 'stylesheet';
        link.href = href;
        document.head.appendChild(link);
    }

    const global_css = `

        html {
            line-height: 1.5;
            -webkit-text-size-adjust: 100%;
            -moz-tab-size: 4;
            -o-tab-size: 4;
            tab-size: 4;
            font-family: ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,Noto Sans,sans-serif,Apple Color Emoji,Segoe UI Emoji,Segoe UI Symbol,Noto Color Emoji;
            font-feature-settings: normal;
            font-variation-settings: normal
        }
            /*
                body {
                    margin: 0;
                    line-height: inherit
                }

                hr {
                    height: 0;
                    color: inherit;
                    border-top-width: 1px
                }

                abbr:where([title]) {
                    -webkit-text-decoration: underline dotted;
                    text-decoration: underline dotted
                }

                h1,h2,h3,h4,h5,h6 {
                    font-size: inherit;
                    font-weight: inherit
                }


                b,strong {
                    font-weight: bolder
                }
            */
        .code-container code, .code-container kbd, .code-container pre, .code-container samp {
            font-family: ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,Liberation Mono,Courier New,monospace;
            font-size: 1em
        }
            /*
                small {
                    font-size: 80%
                }

                sub,sup {
                    font-size: 75%;
                    line-height: 0;
                    position: relative;
                    vertical-align: baseline
                }

                sub {
                    bottom: -.25em
                }

                sup {
                    top: -.5em
                }

                table {
                    text-indent: 0;
                    border-color: inherit;
                    border-collapse: collapse
                }

                button,input,optgroup,select,textarea {
                    font-family: inherit;
                    font-feature-settings: inherit;
                    font-variation-settings: inherit;
                    font-size: 100%;
                    font-weight: inherit;
                    line-height: inherit;
                    color: inherit;
                    margin: 0;
                    padding: 0
                }

                button,select {
                    text-transform: none
                }

                :-moz-focusring {
                    outline: auto
                }

                :-moz-ui-invalid {
                    box-shadow: none
                }

                progress {
                    vertical-align: baseline
                }

                ::-webkit-inner-spin-button,::-webkit-outer-spin-button {
                    height: auto
                }

                [type=search] {
                    -webkit-appearance: textfield;
                    outline-offset: -2px
                }

                ::-webkit-search-decoration {
                    -webkit-appearance: none
                }

                ::-webkit-file-upload-button {
                    -webkit-appearance: button;
                    font: inherit
                }

                summary {
                    display: list-item
                }

                blockquote,dd,dl,figure,h1,h2,h3,h4,h5,h6,hr,p,pre {
                    margin: 0
                }

                fieldset {
                    margin: 0
                }

                fieldset,legend {
                    padding: 0
                }

                menu,ol,ul {
                    list-style: none;
                    margin: 0;
                    padding: 0
                }
                textarea {
                    resize: vertical
                }

                input::-moz-placeholder,textarea::-moz-placeholder {
                    opacity: 1;
                    color: #9ca3af
                }

                input::placeholder,textarea::placeholder {
                    opacity: 1;
                    color: #9ca3af
                }
            */

        #script-content > .code-container[class] {
            width: 100%;
        }

        .code-container[class] {
            border-radius: 0;
        }

        .code-container[class] {
            border-radius: 0;
        }

        .code-container > pre:only-child{
            padding:0;
        }

        code.hljs[class] {
            /*
                font-family: ui-monospace,SFMono-Regular,"SF Mono",Menlo,Consolas,"Liberation Mono",monospace !important;
                font-size: 9pt;
            */
            font-family: monospace;
            font-size: 13px;
            font-variant-ligatures: contextual;
            line-height: 1.15rem;
        }

        .hljs-comment[class], .hljs-quote[class] {
            font-style: inherit;
            color: #259789;
        }

        .hljs-add-marker-width .marker-fixed-width[class] {
            user-select: none !important;
            width: calc(var(--hljs-marker-width, 0em) + 16px);
            background: #f4f4f4;
            padding-right: 6px;
            margin-right: 4px;
            contain: paint style;
        }

    `;


    const cssForCodePage = /\/scripts\/\d+[^\s\/\\]*\/code(\/|$)/.test(location.href) ? `

        html:not([dkkfv]) div.code-container {
            position: absolute !important;
            display: none;
        }

        html:not([dkkfv]) div.code-container > pre{
            display:none;
        }


        html:not([dkkfv]) code:only-child {
            display:none;
        }


        .code-container,
        .code-container pre:only-child,
        .code-container pre:only-child code:only-child {
            max-height: calc(100vh + 4px);
            max-width: calc(100vw + 4px);
        }
    ` : '';


    const cssAdd = `

        ${global_css}

        ${cssForCodePage}

        .code-container {
            max-width: 100%;
            display: inline-flex;
            flex-direction: column;
            overflow: auto;
            border-radius: 8px;
            max-height: 100%;
            overflow: visible;
        }
        .code-container > pre:only-child {
            max-width: 100%;
            display: inline-flex;
            flex-direction: column;
            flex-grow: 1;
            height: 0;
        }
        .code-container > pre:only-child > code:only-child {
            max-width: 100%;
            flex-grow: 1;
            height: 0;
        }
        .code-container pre code {
            padding: 0;
            font-family: Consolas;
            cursor: text;
            overflow: auto;
        }
        .code-container pre code .marker {
            display: inline-block;
            color: #636d83;
            text-align: right;
            padding-right: 20px;
            user-select: none;
            cursor: auto;
        }

        .code-container[contenteditable]{
          outline: 0 !important;
          contain: strict;
        }

        .code-container[contenteditable]>pre[contenteditable="false"]{
          contain: strict;
        }

    `;




    HTMLElement.prototype.getElementsByTagName331 = HTMLElement.prototype.getElementsByTagName
    Document.prototype.getElementsByTagName331 = Document.prototype.getElementsByTagName

    HTMLElement.prototype.getElementsByTagName = getElementsByTagName
    Document.prototype.getElementsByTagName = getElementsByTagName


    onBodyHeadReadyAsync().then(() => {

        loadCSS(resoruces['nnfx-light.css'])

        document.head.appendChild(document.createElement('style')).textContent = `${cssAdd}`;



    });


    /** @param {HTMLElement} pre */
    async function prepareCodeAreaAsync(pre) {

        for (const li of pre.querySelectorAll('li')) {
            li.append(document.createTextNode('\n'));
        }

        const codeElement = document.createElement('code');
        // codeElement.classList.add('language-javascript');
        codeElement.innerHTML = pre.innerHTML;

        // Clearing the original code container and appending the new one
        // pre.classList = '';
        pre.innerHTML = '';
        // pre.appendChild(codeElement);

        // if (pre.querySelector('code')) return;
        const code = codeElement;

        const codeContainer = pre.closest('.code-container');
        if (codeContainer && codeContainer.querySelector('.code-container>pre:only-child')) {
            // avoid selection to the outside by mouse dragging
            codeContainer.setAttribute('contenteditable', '');
            codeContainer.querySelector('.code-container>pre:only-child').setAttribute('contenteditable', 'false');
        }


        // let parentNode = code.parentNode;
        // let nextNode = code.nextSibling;

        // code.remove();
        let parentNode = pre;
        let nextNode = null;
        await Promise.resolve().then();

        // preset language
        /*
        const text = codeElement.textContent;
        if(/(^|\n)\s*\/\/\s+==UserScript==\s*\n/.test(text)){
            codeElement.classList.add('language-javascript');
        }else if(/(^|\n)\s*\/\*\s+==UserStyle==\s*\n/.test(text)){
            codeElement.classList.add('language-css');
        }
        */
        if (pre.classList.contains('lang-js')) {
            codeElement.classList.add('language-javascript');
        } else if (pre.classList.contains('lang-css')) {

            const text = codeElement.textContent;
            let m = /\n\@preprocessor\s+([-_a-zA-Z]{3,8})\s*\n/.exec(text);
            let className = 'language-css'
            if (m) {
                const preprocessor = m[1];
                if (preprocessor === 'stylus') {
                    className = 'language-stylus';
                } else if (preprocessor === 'uso') {
                    className = 'language-stylus';
                } else if (preprocessor === 'less') {
                    className = 'language-less';
                } else if (preprocessor === 'default') {
                    className = 'language-stylus';
                } else {
                    className = 'language-stylus';
                }
            }

            if (className) codeElement.classList.add(className);

        }

        // Highlighting
        hljs.highlightElement(code);

        await Promise.resolve().then();

        // Adding line numbers
        const html = code.innerHTML || '';
        const htmlSplit = html ? html.split('\n') : [];
        const totalLines = htmlSplit.length;

        if (totalLines >= 1) {
            code.classList.add('hljs-add-marker-width');
            const len = `${totalLines}`.length * 0.5;
            code.style.setProperty('--hljs-marker-width', `${len}em`);
            code.innerHTML = htmlSplit.map((n, i) => `<span class="marker marker-fixed-width">${i + 1}</span>${n}`).join('\n');
        } else {
            code.classList.remove('hljs-add-marker-width');
            code.style.setProperty('--hljs-marker-width', '');
        }

        await Promise.resolve().then();
        parentNode.insertBefore(code, nextNode);

    }
    documentReady.then(() => {

        if (!location.pathname.endsWith('/code')) {
            byPass = false;
        }

        // Code highlighting
        const promises = [...document.querySelectorAll('.code-container pre.lang-js, .code-container pre.lang-css')].map(prepareCodeAreaAsync)
        Promise.all(promises).then(() => {
            setTimeout(() => {
                document.documentElement.setAttribute('dkkfv', '');
            }, 1);
        })

    });


})();