data-i18n in development about htmlizer HOT 9 CLOSED

var memoizeAsync = require('memoizeasync'),
    memoizeSync = require('memoizesync'),
    pathModule = require('path'),
    fs = require('fs'),
    Htmlizer = require('htmlizer'),
    jsdom = require('jsdom'),
    i18nTools = require('assetgraph-builder/lib/i18nTools');

[...]
    var i18nKeys = JSON.parse(fs.readFileSync(i18nFile, 'utf-8')),
        getAllKeysForLocale = memoizeSync(function (localeId) {
            var allKeysForLocale = {},
                prioritizedLocaleIds = i18nTools.expandLocaleIdToPrioritizedList(localeId);
            for (var key in i18nKeys) {
                if (i18nKeys.hasOwnProperty(key)) {
                    for (var i = 0 ; i < prioritizedLocaleIds.length ; i += 1) {
                        if (prioritizedLocaleIds[i] in i18nKeys[key]) {
                            allKeysForLocale[key] = i18nKeys[key][prioritizedLocaleIds[i]];
                            break;
                        }
                    }
                }
            }
            return allKeysForLocale;
        }),
        memoizedLoadTemplate = memoizeAsync(function (templateName, cb) {
            fs.readFile(pathModule.resolve(__dirname, '..', 'templates', templateName + '.html'), 'utf-8', cb);
        }),
        memoizedGetTemplateRenderer = memoizeAsync(function getTemplateRenderer(templateName, localeId, cb) {
            memoizedLoadTemplate(templateName, passError(cb, function (templateSource) {
                var document = jsdom.jsdom(templateSource);
                i18nTools.eachI18nTagInHtmlDocument(document, i18nTools.createI18nTagReplacer({
                    allKeysForLocale: getAllKeysForLocale(localeId),
                    localeId: localeId
                }));
                var translatedTemplateSource = jsdom.serializeDocument(document);
                // Currently htmlizer throws away the <!DOCTYPE>, so we parse that separately and reattach it to the rendered HTML.
                // https://github.com/Munawwar/htmlizer/issues/10
                var doctype = '';
                translatedTemplateSource = translatedTemplateSource.replace(/^<!DOCTYPE[^>]*>\n?/, function ($0) {
                    doctype = $0;
                    return '';
                });
                var htmlizer = new Htmlizer(translatedTemplateSource);
                cb(null, function (obj) {
                    return doctype + htmlizer.toString(obj);
                });
            }));
        });