From cc26929ebc7a8b190d8ac23008c7e2fc7c836388 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E9=99=88=E5=98=89=E6=B6=B5?= <chenjiahan@youzan.com>
Date: Fri, 29 Nov 2019 10:00:46 +0800
Subject: [PATCH] feat(cli): optimize getComponent method

---
 packages/vant-cli/src/common/index.ts | 11 +++++++++--
 1 file changed, 9 insertions(+), 2 deletions(-)

diff --git a/packages/vant-cli/src/common/index.ts b/packages/vant-cli/src/common/index.ts
index 2685f65d7..c7f78a27c 100644
--- a/packages/vant-cli/src/common/index.ts
+++ b/packages/vant-cli/src/common/index.ts
@@ -1,5 +1,5 @@
 import decamelize from 'decamelize';
-import { readdirSync, existsSync, lstatSync } from 'fs-extra';
+import { readdirSync, existsSync, lstatSync, readFileSync } from 'fs-extra';
 import { join } from 'path';
 import { SRC_DIR, WEBPACK_CONFIG_FILE } from './constant';
 
@@ -25,7 +25,14 @@ export function getComponents() {
   return dirs
     .filter(dir => !EXCLUDES.includes(dir))
     .filter(dir =>
-      ENTRY_EXTS.some(ext => existsSync(join(SRC_DIR, dir, `index.${ext}`)))
+      ENTRY_EXTS.some(ext => {
+        const path = join(SRC_DIR, dir, `index.${ext}`);
+        if (existsSync(path)) {
+          return readFileSync(path, 'utf-8').indexOf('export default') !== -1;
+        }
+
+        return false;
+      })
     );
 }