Function assertSymbolNodeType

static/katex/katex.js:6063–6071

* Returns the node more strictly typed iff it is of the given type. Otherwise, * returns null.

(node)

 */

function assertSymbolNodeType(node) {
  var typedNode = checkSymbolNodeType(node);

  if (!typedNode) {
    throw new Error("Expected node of symbol group type, but got " + (node ? "node of type " + node.type : String(node)));
  }

  return typedNode;
}
/**
 * Returns the node more strictly typed iff it is of the given type. Otherwise,
 * returns null.