ts-markdown-parser/dist/libs/html/highlight.js

TypeScript library that converts markdown to HTML (with code support).

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.highlightHtml = void 0;
const keywords_1 = require("./keywords");
const highlightHtml = (code) => {
    // Step 1: Escape HTML entities
    let escapedCode = code
        .replace(/&/g, "&")
        .replace(/</g, "&lt;")
        .replace(/>/g, "&gt;")
        .replace(/"/g, "&quot;")
        .replace(/'/g, "&#039;")
        .replace(/`/g, "&#x60;"); // Escape backticks as &#x60;
    // e.g. class="my-class" OR class=&quot;my-class&quot;
    escapedCode = escapedCode.replace(/ ([a-zA-Z0-9-]+)=&quot;([a-zA-Z0-9-]+)&quot;/g, ` <span class="md-special">$1=&quot;$2&quot;</span>`);
    // e.g. "https://example.com"
    escapedCode = escapedCode.replace(/&quot;https:\/\/(.+)&quot;/g, `<span class="md-string">&quot;https:\\\\\$1&quot;</span>`);
    // Highlight HTML comments
    escapedCode = escapedCode.replace(/&lt;!--(.*?)--&gt;/g, `<span class="md-comment">&lt;!--$1--&gt;</span>`);
    // Step 2: Highlight reserved keywords
    keywords_1.reservedKeywords.forEach((keyword) => {
        const regexClose = new RegExp(`&lt;/${keyword}&gt;`, "g");
        escapedCode = escapedCode.replace(regexClose, `<span class="md-keyword">&lt;/${keyword}&gt;</span>`);
        const regexOpen = new RegExp(`&lt;${keyword}&gt;`, "g");
        escapedCode = escapedCode.replace(regexOpen, `<span class="md-keyword">&lt;${keyword}&gt;</span>`);
        const regexSpecialOpen = new RegExp(`&lt;${keyword} `, "g");
        escapedCode = escapedCode.replace(regexSpecialOpen, `<span class="md-keyword">&lt;${keyword} </span>`);
    });
    return escapedCode;
};
exports.highlightHtml = highlightHtml;
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