Function assertSymbolDomNode

src/domTree.ts:610–618

(
    group: HtmlDomNode,
)

}

export function assertSymbolDomNode(
    group: HtmlDomNode,
): SymbolNode {
    if (group instanceof SymbolNode) {
        return group;
    } else {
        throw new Error(`Expected symbolNode but got ${String(group)}.`);
    }
}

export function assertSpan(
    group: HtmlDomNode,