Function attributeCallback

Extension/gulpfile.js:150–154

(locId, locHint, attribute)

            localizationMetadataContents.messages.push(text);
        };
        let attributeCallback = (locId, locHint, attribute) => {
            localizationJsonContents[locId] = attribute.value;
            localizationMetadataContents.keys.push(locHint ? { key: locId, comment: [locHint] } : locId);
            localizationMetadataContents.messages.push(attribute.value);
        };
        traverseHtml(file.contents.toString(), nodeCallback, attributeCallback, false);
        this.queue(new vinyl({
            path: path.join(file.path + '.nls.json'),