function applyTranslationsToDocument()

in tools/i18n/update.js [150:192]
33 lines of code
6 McCabe index (conditional complexity)

function applyTranslationsToDocument(xlfJson, stringsById) {
    Object.getOwnPropertyNames(xlfJson.items).forEach(function (id) {
        var item = xlfJson.items[id];
        var string = stringsById[id];
        if (!string) {
            console.log(chalk.yellow.bold('Warning: Couldn\'t find information for loc id: ' + id));
            return;
        }

        var parentElement = string.parentElement;

        var pos = id.lastIndexOf('-');
        if (pos > 0) {
            var attributeName = id.substring(0, pos);
            parentElement.attribs[attributeName] = item.translatedText;
        } else {
            var newNodes = parse5.parseFragment(item.translatedText, {treeAdapter: htmlparser2TreeAdapter}).children;

            // We want to remove the child nodes stored for this string, and insert the generated nodes in
            // the same spot.
            var nextSibling;
            string.nodes.forEach(function (node) {
                if (node.parent === parentElement) {
                    nextSibling = node.nextSibling;
                    htmlparser2TreeAdapter.detachNode(node);
                }
            });

            // Since we re-use this same document for each language, update the stored child nodes for this
            // string with the ones we're about to insert.
            string.nodes = newNodes;

            // Insert the new nodes before the next sibling, or at the end if there is no next sibling
            newNodes.forEach(function (node) {
                if (nextSibling) {
                    htmlparser2TreeAdapter.insertBefore(parentElement, node, nextSibling);
                } else {
                    htmlparser2TreeAdapter.appendChild(parentElement, node);
                }
            });
        }
    });
}