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window.i18n = window.i18n || {}; | |
i18n._langCache = {} | |
i18n._availableLangs = [ | |
'en', | |
'zh-TW', | |
'ja' | |
] | |
i18n._updateElements = function () { | |
let elements = document.querySelectorAll('*') | |
elements.forEach(function (element) { | |
let langIndex = element.getAttribute('data-lang-content') | |
let langPack = i18n._langCache[i18n._lang] | |
if (langIndex) { | |
let langTarget = langPack | |
langIndex.split('.').forEach(function (layer) { | |
langTarget = langTarget[layer] | |
}) | |
element.innerHTML = langTarget | |
} | |
}) | |
} | |
i18n.changeLanguage = function (lang) { | |
this._lang = lang | |
$.cookie('shopify.custom-lang', lang) | |
if (!i18n._langCache.hasOwnProperty(lang)) { | |
let langPackUrl = '{{ "locales..json" | asset_url }}'.replace('s..j', 's.' + lang + '.j') | |
$.ajax({ | |
url: langPackUrl, | |
type: 'GET', | |
dataType: 'json', | |
async: false | |
}).success(function (langPack) { | |
i18n._langCache[lang] = langPack | |
i18n._updateElements() | |
}).fail(function (error) { | |
console.error('error', error) | |
}) | |
} else { | |
i18n._updateElements() | |
} | |
} | |
$("#changeLanguageDropdown a").click(function (event) { | |
let lang = event.target.getAttribute('data-lang') | |
i18n.changeLanguage(lang) | |
}) | |
i18n.autoDetectLanguage = function () { | |
if ($.cookie && $.cookie('shopify.custom-lang')) { | |
let lang = $.cookie('shopify.custom-lang') | |
i18n.changeLanguage(lang) | |
} else { | |
$.ajax({ | |
url: '//ajaxhttpheaders.appspot.com', | |
type: 'POST', | |
asunc: false, | |
dataType: 'jsonp', | |
success: function (headers) { | |
let preferredLangs = headers['Accept-Language'].split(';')[0].split(',') | |
var lang = 'en' | |
preferredLangs.some(function (preferredLang) { | |
if (i18n._availableLangs.includes(preferredLang)) { | |
lang = preferredLang | |
return true | |
} | |
}) | |
i18n.changeLanguage(lang) | |
} | |
}) | |
} | |
} | |
i18n.autoDetectLanguage() |
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