Function appendHighlightedText

packages/web/src/index.ts:226–265

(
  element: HTMLElement,
  text: string,
  query: string,
)

}

function appendHighlightedText(
  element: HTMLElement,
  text: string,
  query: string,
) {
  const terms = normalizeSearchText(query).split(/\s+/).filter(Boolean);
  if (terms.length === 0) {
    element.textContent = text;
    return;
  }

  const lowerText = text.toLowerCase();
  const ranges = terms
    .map((term) => {
      const index = lowerText.indexOf(term);
      return index === -1 ? undefined : [index, index + term.length] as const;
    })
    .filter((range): range is readonly [number, number] => range !== undefined)
    .sort((a, b) => a[0] - b[0]);

  if (ranges.length === 0) {
    element.textContent = text;
    return;
  }

  let cursor = 0;
  for (const [start, end] of ranges) {
    if (start < cursor) continue;
    if (start > cursor) {
      element.append(document.createTextNode(text.slice(cursor, start)));
    }
    const mark = document.createElement("mark");
    mark.textContent = text.slice(start, end);
    element.append(mark);
    cursor = end;
  }
  if (cursor < text.length) {
    element.append(document.createTextNode(text.slice(cursor)));
  }
}

function resultMeta(item: SearchIndexItem) {
  if (item.type === "model") {