feat(cli): set title by lang

packages/vant-cli/src/compiler/gen-site-desktop-shared.ts

@@ -1,11 +1,10 @@
 import glob from 'fast-glob';
 import { join, parse } from 'path';
-import { existsSync } from 'fs-extra';
+import { existsSync, readdirSync } from 'fs-extra';
 import {
   pascalize,
   removeExt,
   getVantConfig,
-  getComponents,
   smartOutputFile
 } from '../common';
 import {
@@ -96,8 +95,8 @@ function genExportConfig() {
 }
 
 export function genSiteDesktopShared() {
-  const components = getComponents();
-  const documents = resolveDocuments(components);
+  const dirs = readdirSync(SRC_DIR);
+  const documents = resolveDocuments(dirs);
 
   const code = `${genImportConfig()}
 ${genImportDocuments(documents)}

packages/vant-cli/src/compiler/gen-site-mobile-shared.ts

@@ -1,12 +1,11 @@
 import { join } from 'path';
-import { existsSync } from 'fs-extra';
+import { existsSync, readdirSync } from 'fs-extra';
 import { SRC_DIR, SITE_MODILE_SHARED_FILE } from '../common/constant';
 import {
   pascalize,
   removeExt,
   decamelize,
   getVantConfig,
-  getComponents,
   smartOutputFile
 } from '../common';
 
@@ -90,8 +89,8 @@ ${genConfig(demos)}
 }
 
 export function genSiteMobileShared() {
-  const components = getComponents();
-  const code = genCode(components);
+  const dirs = readdirSync(SRC_DIR);
+  const code = genCode(dirs);
 
   smartOutputFile(SITE_MODILE_SHARED_FILE, code);
 }

packages/vant-cli/src/config/webpack.site.dev.ts

@@ -9,8 +9,28 @@ import {
   SITE_DESKTOP_SHARED_FILE
 } from '../common/constant';
 
-const siteConfig = getVantConfig().site;
-const title = `${siteConfig.title} - ${siteConfig.description}`;
+function getSiteConfig() {
+  const siteConfig = getVantConfig().site;
+
+  if (siteConfig.locales) {
+    return siteConfig.locales[siteConfig.defaultLang || 'en-US'];
+  }
+
+  return siteConfig;
+}
+
+function getTitle(config: { title: string, description?: string }) {
+  let { title } = config;
+
+  if (config.description) {
+    title += ` - ${config.description}`;
+  }
+
+  return title;
+}
+
+const siteConfig = getSiteConfig();
+const title = getTitle(siteConfig);
 
 export const siteDevBaseConfig = merge(baseConfig as any, {
   entry: {