Function processHtmlFiles

Extension/gulpfile.js:128–165

()

// Traverses the HTML document looking for node and attributes containing data-loc-id, to localize
// Outputs *.nls.json files containing strings to localize.
const processHtmlFiles = () => {
    return es.through(function (file) {
        let localizationJsonContents = {};
        let localizationMetadataContents = {
            messages: [],
            keys: [],
            filePath: removePathPrefix(file.path, file.cwd)
        };
        let nodeCallback = (locId, locHint, node) => {
            let subNodeCount = 0;
            let text = "";
            node.childNodes.forEach((childNode) => {
                if (childNode.nodeName == "#text") {
                    text += childNode.value;
                } else {
                    text += `{${subNodeCount++}}`;
                }
            });
            localizationJsonContents[locId] = text;
            localizationMetadataContents.keys.push(locHint ? { key: locId, comment: [locHint] } : locId);
            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'),
            contents: Buffer.from(JSON.stringify(localizationJsonContents, null, '\t'), 'utf8')
        }));
        this.queue(new vinyl({
            path: path.join(file.path + '.nls.metadata.json'),
            contents: Buffer.from(JSON.stringify(localizationMetadataContents, null, '\t'), 'utf8')
        }));
    });
};

// descriptionCallback(path, value, parent) is invoked for attributes
const traverseJson = (jsonTree, descriptionCallback, prefixPath) => {