Function pushChild

test/fixtures/snapshot/typescript.js:140779–140786

(parent, child)

            return n.node.kind;
        }
        function pushChild(parent, child) {
            if (parent.children) {
                parent.children.push(child);
            }
            else {
                parent.children = [child];
            }
        }
        function rootNavigationBarNode(sourceFile) {
            ts.Debug.assert(!parentsStack.length);
            var root = { node: sourceFile, name: undefined, additionalNodes: undefined, parent: undefined, children: undefined, indent: 0 };