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feat: auto-switch site lang when homepage visited

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1. auto-switch site lang according to setting from sidebar
   or browser lang settings, when home page is visited.
2. save sidebar lang setting to local storage.
This commit is contained in:
Alex Hua 2023-04-08 17:21:38 +08:00
parent 9d22841a4e
commit 5981551998
3 changed files with 34 additions and 2 deletions
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1
layouts/_default/baseof.html
View File

@ -6,6 +6,7 @@
</head>
<body class="{{ block `body-class` . }}{{ end }}">
{{- partial "head/colorScheme" . -}}
{{- partial "head/autoLang" . -}}
{{/* The container is wider when there's any activated widget */}}
{{- $hasWidget := false -}}

31
layouts/partials/head/autoLang.html Normal file
View File

@ -0,0 +1,31 @@
{{ if .Site.IsMultiLingual }}
<script>
(function () {
const BASE_URL = '{{ .Site.BaseURL }}';
const DEFAULT_LANG = '{{ .Site.Language.Lang }}';
if (!window.location.href.endsWith(BASE_URL)) return;
let userLangList = [...navigator.languages];
if (localStorage.userLang)
userLangList.unshift(localStorage.userLang);
else
localStorage.userLang = userLangList[0].toLowerCase();
let supportLangs = new Set();
{{ range .Site.Languages }}
supportLangs.add('{{ .Lang }}');
{{ end }}
for (let userLang of userLangList) {
userLang = userLang.toLowerCase();
if (DEFAULT_LANG == userLang) {
return;
}
if (supportLangs.has(userLang)) {
window.location.href = window.location.href + userLang;
return;
}
}
})()
</script>
{{ end }}

4
layouts/partials/sidebar/left.html
View File

@ -80,9 +80,9 @@
{{ with .Site.Home.AllTranslations }}
<li id="i18n-switch">
{{ partial "helper/icon" "language" }}
<select name="language" onchange="window.location.href = this.selectedOptions[0].value">
<select name="language" onchange="localStorage.userLang = this.selectedOptions[0].dataset.lang; window.location.href = this.selectedOptions[0].value">
{{ range . }}
<option value="{{ .Permalink }}" {{ if eq .Language.Lang $currentLanguageCode }}selected{{ end }}>{{ .Language.LanguageName }}</option>
<option data-lang="{{ .Language.Lang }}" value="{{ .Permalink }}" {{ if eq .Language.Lang $currentLanguageCode }}selected{{ end }}>{{ .Language.LanguageName }}</option>
{{ end }}
</select>
</li>