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Generate alternate url for different locales so search engine could find them all.

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This commit is contained in:
PanAeon 2018-10-22 16:47:20 +01:00
parent c801f9ed46
commit 89f3a5177b
2 changed files with 26 additions and 1 deletions
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20
src/js/app/index.js
View file

@ -1,6 +1,7 @@
var Backbone = require('backbone');
var EventEmitter = require('events').EventEmitter;
var React = require('react');
var _ = require('underscore');
var assign = require('object-assign');
var util = require('../util');
@ -86,6 +87,22 @@ var vcsModeRefresh = function(eventData) {
$('body').toggleClass('hgMode', !isGit);
};
var insertAlternateLinks = function(pageId) {
// For now pageId is null, which would link to the main page.
// In future if pageId is provided this method should link to a specific page
// The value of the hreflang attribute identifies the language (in ISO 639-1 format)
// and optionally a region (in ISO 3166-1 Alpha 2 format) of an alternate URL
var altLinks = _.map(LocaleStore.getSupportedLocales(), function(langCode) {
var url = "https://learngitbranching.js.org/?locale=" + langCode;
return '<link rel="alternate" hreflang="'+langCode+'" href="' + url +'" />';
});
var defaultUrl = "https://learngitbranching.js.org/?locale=" + LocaleStore.getDefaultLocale();
altLinks.push('<link rel="alternate" hreflang="x-default" href="' + defaultUrl +'" />');
$('head').prepend(altLinks);
};
var intlRefresh = function() {
if (!window.$) { return; }
$('span.intl-aware').each(function(i, el) {
@ -249,6 +266,8 @@ var initDemo = function(sandbox) {
tryLocaleDetect();
}
insertAlternateLinks();
if (params.command) {
var command = unescape(params.command);
sandbox.mainVis.customEvents.on('gitEngineReady', function() {
@ -328,4 +347,3 @@ exports.getLevelDropdown = function() {
};
exports.init = init;

7
src/js/stores/LocaleStore.js
View file

@ -3,6 +3,7 @@
var AppConstants = require('../constants/AppConstants');
var AppDispatcher = require('../dispatcher/AppDispatcher');
var EventEmitter = require('events').EventEmitter;
var _ = require('underscore');
var assign = require('object-assign');
@ -30,6 +31,8 @@ var headerLocaleMap = {
'pt-BR': 'pt_BR'
};
var supportedLocalesList = _.values(langLocaleMap).concat(_.values(headerLocaleMap));
function _getLocaleFromHeader(langString) {
var languages = langString.split(',');
var desiredLocale;
@ -73,6 +76,10 @@ AppConstants.StoreSubscribePrototype,
return _locale;
},
getSupportedLocales: function() {
return assign({}, supportedLocalesList);
},
dispatchToken: AppDispatcher.register(function(payload) {
var action = payload.action;
var shouldInform = false;