docs(auto-import-resolver): update README and folder name (#12241)

* docs(auto-import-resolver): update README and folder name

* chore: update lock

* docs: fix path

packages/vant-auto-import-resolver/src/index.ts

@@ -0,0 +1,58 @@
+export interface VantResolverOptions {
+  /**
+   * import style css or less along with components
+   *
+   * @default true
+   */
+  importStyle?: boolean | 'css' | 'less';
+
+  /**
+   * use lib
+   *
+   * @default false
+   */
+  ssr?: boolean;
+}
+
+/**
+ * Button->button; ButtonGroup->button-group
+ */
+function kebabCase(key: string) {
+  const result = key.replace(/([A-Z])/g, ' $1').trim();
+  return result.split(' ').join('-').toLowerCase();
+}
+
+function getModuleType(ssr: boolean): string {
+  return ssr ? 'lib' : 'es';
+}
+
+function getSideEffects(dirName: string, options: VantResolverOptions) {
+  const { importStyle = true, ssr = false } = options;
+  if (!importStyle) return;
+
+  const moduleType = getModuleType(ssr);
+
+  if (importStyle === 'less') return `vant/${moduleType}/${dirName}/style/less`;
+
+  return `vant/${moduleType}/${dirName}/style/index`;
+}
+
+export function VantResolver(options: VantResolverOptions = {}) {
+  const { ssr = false } = options;
+
+  const moduleType = getModuleType(ssr);
+
+  return {
+    type: 'component',
+    resolve: (name: string) => {
+      if (name.startsWith('Van')) {
+        const partialName = name.slice(3);
+        return {
+          name: partialName,
+          from: `vant/${moduleType}`,
+          sideEffects: getSideEffects(kebabCase(partialName), options),
+        };
+      }
+    },
+  };
+}