Function assertSpan

static/katex/katex.js:1395–1401

(group)

  }
}
function assertSpan(group) {
  if (group instanceof domTree_Span) {
    return group;
  } else {
    throw new Error("Expected span<HtmlDomNode> but got " + String(group) + ".");
  }
}
// CONCATENATED MODULE: ./submodules/katex-fonts/fontMetricsData.js
// This file is GENERATED by buildMetrics.sh. DO NOT MODIFY.
/* harmony default export */ var fontMetricsData = ({