Michael Fabian 'Xaymar' Dirks
130 lines
2.7 KiB
JavaScript
130 lines
2.7 KiB
JavaScript
'use strict';
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// Highlight.JS: https://highlightjs.org/
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async function initializeHighlightJS() {
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const languageRE = /\blanguage-([a-zA-Z0-9_\-]+)\b/gi;
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const noLanguageRE = /\bno-language\b/gi;
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const languages = [
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"apache",
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"asciidoc",
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"autohotkey",
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"bash",
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"basic",
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"c",
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"cmake",
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"cpp",
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"csharp",
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"css",
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"d",
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"diff",
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"gcode",
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"glsl",
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"go",
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"gradle",
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"graphql",
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"http",
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"ini",
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"java",
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"javascript",
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"json",
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"kotlin",
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"latex",
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"less",
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"llvm",
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"lua",
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"makefile",
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"markdown",
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"nginx",
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"objectivec",
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"oxygene",
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"perl",
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"php",
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"php-template",
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"plaintext",
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"protobuf",
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"python",
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"python-repl",
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"r",
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"ruby",
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"rust",
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"scss",
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"shell",
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"sql",
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"swift",
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"typescript",
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"vbnet",
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"wasm",
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"xml",
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"yaml",
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];
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const selector = "code.block[class*=\"language\"]";
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if (document.querySelectorAll(selector).length == 0) {
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console.log("highlight.JS: Skipping, as it is not needed here.");
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return;
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}
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console.log("highlight.JS: Loading...");
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let highlightJS = await import("./highlightjs/highlight.mjs");
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window.highlightJS = highlightJS.default;
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console.log("highlight.JS: Configuring...");
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window.highlightJS.configure({
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"noHighlightRe": noLanguageRE,
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"languageDetectRe": languageRE,
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"cssSelector": "code.block[class*=\"language\"]",
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"throwUnescapedHTML": true,
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});
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// Import all languages.
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let langs = [];
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for (let lang of languages) {
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console.log(`highlight.JS: Importing language definition for '${lang}'...`);
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langs.push(new Promise(async (resolve, reject) => {
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const start = performance.now();
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const max_attempts = 5;
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let attempt = 0;
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let mod = undefined;
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let err = null;
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for (let attempt = 1; attempt <= 5; attempt++) {
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try {
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mod = await import(`./highlightjs/languages/${lang}.min.js`);
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break;
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} catch (ex) {
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err = ex;
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await new Promise((resolve, reject) => {
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setTimeout(() => { resolve() }, 1000);
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})
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}
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}
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if (!mod) {
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reject(err);
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} else {
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window.highlightJS.registerLanguage(lang, mod.default);
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console.log(`highlight.JS: Imported language definition for '${lang}' after ${(performance.now() - start).toFixed(2)}ms.`);
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resolve(mod);
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}
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}));
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}
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await Promise.allSettled(langs)
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// Highlight everything.
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function highlightAllCode() {
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console.log(`highlight.JS: Applying highlighting all valid code blocks...`);
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window.highlightJS.highlightAll();
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};
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if (document.readyState === "complete"
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|| document.readyState === "loaded"
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|| document.readyState === "interactive") {
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highlightAllCode();
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} else {
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document.addEventListener('DOMContentLoaded', () => {
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highlightAllCode();
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});
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}
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}
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initializeHighlightJS();
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