From: likui <2218301630@qq.com>
Date: Tue, 19 Nov 2019 14:10:59 +0000 (+0800)
Subject: fix(compiler-sfc): should ignore nodes with no children (#464)
X-Git-Tag: v3.0.0-alpha.0~183
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=1efb35e3240fce10be79f34f9f119e0ea4f18a08;p=thirdparty%2Fvuejs%2Fcore.git

fix(compiler-sfc): should ignore nodes with no children (#464)
---

diff --git a/packages/compiler-sfc/__tests__/parse.spec.ts b/packages/compiler-sfc/__tests__/parse.spec.ts
index 14cb9dcc91..0a3cc45770 100644
--- a/packages/compiler-sfc/__tests__/parse.spec.ts
+++ b/packages/compiler-sfc/__tests__/parse.spec.ts
@@ -3,6 +3,14 @@ import { mockWarn } from '@vue/runtime-test'
 
 describe('compiler:sfc', () => {
   mockWarn()
+
+  test('should ignore nodes with no content', () => {
+    expect(parse(`<template/>`).template).toBe(null)
+    expect(parse(`<script/>`).script).toBe(null)
+    expect(parse(`<style/>`).styles.length).toBe(0)
+    expect(parse(`<custom/>`).customBlocks.length).toBe(0)
+  })
+
   describe('error', () => {
     test('should only allow single template element', () => {
       parse(`<template><div/></template><template><div/></template>`)
diff --git a/packages/compiler-sfc/src/parse.ts b/packages/compiler-sfc/src/parse.ts
index 7a5828d127..8ad603e6c2 100644
--- a/packages/compiler-sfc/src/parse.ts
+++ b/packages/compiler-sfc/src/parse.ts
@@ -81,6 +81,9 @@ export function parse(
     if (node.type !== NodeTypes.ELEMENT) {
       return
     }
+    if (!node.children.length) {
+      return
+    }
     switch (node.tag) {
       case 'template':
         if (!sfc.template) {