From 55a30cf9db247eba2aca817439fdb3cd15e9184f Mon Sep 17 00:00:00 2001
From: Des Preston <despreston@users.noreply.github.com>
Date: Tue, 30 Mar 2021 05:03:03 -0400
Subject: [PATCH] fix(compiler): avoid converting &nbps; to spaces (#11065)

---
 src/compiler/parser/index.js              | 2 +-
 test/unit/modules/compiler/parser.spec.js | 8 ++++++++
 2 files changed, 9 insertions(+), 1 deletion(-)

diff --git a/src/compiler/parser/index.js b/src/compiler/parser/index.js
index 342d04ff864..d727f8dd4d1 100644
--- a/src/compiler/parser/index.js
+++ b/src/compiler/parser/index.js
@@ -38,7 +38,7 @@ const modifierRE = /\.[^.\]]+(?=[^\]]*$)/g
 const slotRE = /^v-slot(:|$)|^#/
 
 const lineBreakRE = /[\r\n]/
-const whitespaceRE = /\s+/g
+const whitespaceRE = /[ \f\t\r\n]+/g
 
 const invalidAttributeRE = /[\s"'<>\/=]/
 
diff --git a/test/unit/modules/compiler/parser.spec.js b/test/unit/modules/compiler/parser.spec.js
index 360bc11bbb6..c0b01e45364 100644
--- a/test/unit/modules/compiler/parser.spec.js
+++ b/test/unit/modules/compiler/parser.spec.js
@@ -865,6 +865,14 @@ describe('parser', () => {
     expect(ast.children[4].children[0].text).toBe('. Have fun! ')
   })
 
+  it(`maintains &nbsp; with whitespace: 'condense'`, () => {
+    const options = extend({}, condenseOptions)
+    const ast = parse('<span>&nbsp;</span>', options)
+    const code = ast.children[0]
+    expect(code.type).toBe(3)
+    expect(code.text).toBe('\xA0')
+  })
+
   it(`preserve whitespace in <pre> tag with whitespace: 'condense'`, function () {
     const options = extend({}, condenseOptions)
     const ast = parse('<pre><code>  \n<span>hi</span>\n  </code><span> </span></pre>', options)