Function renderMathInText

static/katex/contrib/auto-render.mjs:114–149

(text, optionsCopy)

const renderMathInText = function renderMathInText(text, optionsCopy) {
  const data = splitWithDelimiters(text, optionsCopy.delimiters);
  const fragment = document.createDocumentFragment();

  for (let i = 0; i < data.length; i++) {
    if (data[i].type === "text") {
      fragment.appendChild(document.createTextNode(data[i].data));
    } else {
      const span = document.createElement("span");
      let math = data[i].data; // Override any display mode defined in the settings with that
      // defined by the text itself

      optionsCopy.displayMode = data[i].display;

      try {
        if (optionsCopy.preProcess) {
          math = optionsCopy.preProcess(math);
        }

        katex.render(math, span, optionsCopy);
      } catch (e) {
        if (!(e instanceof katex.ParseError)) {
          throw e;
        }

        optionsCopy.errorCallback("KaTeX auto-render: Failed to parse `" + data[i].data + "` with ", e);
        fragment.appendChild(document.createTextNode(data[i].rawData));
        continue;
      }

      fragment.appendChild(span);
    }
  }

  return fragment;
};

const renderElem = function renderElem(elem, optionsCopy) {
  for (let i = 0; i < elem.childNodes.length; i++) {