feat(docs): document website enhancement (#3580)

- Add language jump support
- Fix ifBuild.sh bug on posix platform

docs/.gitignore

@@ -1,5 +1,3 @@
-.vitepress/*.js
-
 .vitepress/i18n/*
 temp
 zh-CN

docs/.vitepress/config.js

@@ -59,6 +59,22 @@ module.exports = {
         href: '//unpkg.com/nprogress@0.2.0/nprogress.css',
       },
     ],
+    [
+      'script',
+      {},
+      `;(() => {
+        window.supportedLangs = ${JSON.stringify(languages)}
+      })()`,
+    ],
+
+    [
+      'script',
+      {},
+      require('fs').readFileSync(
+        require('path').resolve(__dirname, './lang.js'),
+        'utf-8'
+      ),
+    ],
 
     features.theme
       ? [

docs/.vitepress/lang.js

@@ -0,0 +1,15 @@
+;(() => {
+  const supportedLangs = window.supportedLangs
+
+  const userPreferredLang =
+    localStorage.getItem('preferred_lang') || navigator.language
+
+  if (
+    supportedLangs.includes(userPreferredLang) &&
+    !location.pathname.startsWith(`/${userPreferredLang}`)
+  ) {
+    location.pathname = [`/${userPreferredLang}`]
+      .concat(location.pathname.split('/').slice(2))
+      .join('/')
+  }
+})()

scripts/ifBuild.sh

@@ -1,5 +1,5 @@
 #!/bin/sh
 
-if [ ! -d \"dist/element-plus\" ]; then 
-    sh scripts/build.sh; 
+if [ ! -d "dist/element-plus" ]; then
+  sh scripts/build.sh
 fi