vue-renderer-markdown/dist/workers/katexRenderer.worker.js

Vue 3 Markdown renderer optimized for large docs: progressive Mermaid, streaming diff code blocks, and fast real-time preview.

import katex from "katex";
let DEBUG = false;
globalThis.addEventListener("message", (ev) => {
  var _a, _b, _c, _d;
  const data = ev.data || {};
  if (data.type === "init") {
    DEBUG = !!data.debug;
    try {
      if (DEBUG)
        console.debug("[katexRenderer.worker] debug enabled");
    } catch (e) {
    }
    return;
  }
  const id = (_a = data.id) != null ? _a : "";
  const content = (_b = data.content) != null ? _b : "";
  const displayMode = (_c = data.displayMode) != null ? _c : true;
  try {
    if (DEBUG)
      console.debug("[katexRenderer.worker] render start", { id, displayMode, content });
    const html = katex.renderToString(content, {
      throwOnError: true,
      displayMode,
      output: "html",
      strict: "ignore"
    });
    const out = { id, html, content, displayMode };
    try {
      ;
      globalThis.postMessage(out);
      if (DEBUG)
        console.debug("[katexRenderer.worker] render success", { id });
    } catch (postErr) {
      console.error("[katexRenderer.worker] failed to postMessage result", postErr);
    }
  } catch (err) {
    const out = { id, error: String((_d = err == null ? void 0 : err.message) != null ? _d : err), content, displayMode };
    try {
      ;
      globalThis.postMessage(out);
    } catch (postErr) {
      console.error("[katexRenderer.worker] failed to postMessage error", postErr);
    }
  }
});
globalThis.addEventListener("error", (ev) => {
  var _a;
  console.error("[katexRenderer.worker] uncaught error", ev.message, ev.error);
  try {
    ;
    globalThis.postMessage({ id: "__worker_uncaught__", error: String((_a = ev.message) != null ? _a : ev.error), content: "", displayMode: true });
  } catch (e) {
  }
});