Function merge

test/fixtures/snapshot/typescript.js:141299–141311

Merge source into target. Source should be thrown away after this is called.

(target, source)

        }
        /** Merge source into target. Source should be thrown away after this is called. */
        function merge(target, source) {
            var _a;
            target.additionalNodes = target.additionalNodes || [];
            target.additionalNodes.push(source.node);
            if (source.additionalNodes) {
                (_a = target.additionalNodes).push.apply(_a, source.additionalNodes);
            }
            target.children = ts.concatenate(target.children, source.children);
            if (target.children) {
                mergeChildren(target.children, target);
                sortChildren(target.children);
            }
        }
        /** Recursively ensure that each NavNode's children are in sorted order. */
        function sortChildren(children) {
            children.sort(compareChildren);