improve template parser HTML entity regex (fix vuejs#2021)

yyx990803 · yyx990803 · commit eec2cdb04f7e · 2015-12-14T17:03:47.000-05:00
diff --git a/src/parsers/template.js b/src/parsers/template.js
@@ -71,7 +71,7 @@ function isRealTemplate (node) {
 }
 
 const tagRE = /<([\w:]+)/
-const entityRE = /&\w+;|&#\d+;|&#x[\dA-F]+;/
+const entityRE = /&#?\w+?;/
 
 /**
  * Convert a string template to a DocumentFragment.
diff --git a/test/unit/specs/parsers/template_spec.js b/test/unit/specs/parsers/template_spec.js
@@ -44,6 +44,11 @@ describe('Template Parser', function () {
     expect(res instanceof DocumentFragment).toBeTruthy()
     expect(res.childNodes.length).toBe(1)
     expect(res.firstChild.nodeValue).toBe('hello / hello')
+    // #2021
+    res = parse('&#xe604;')
+    expect(res instanceof DocumentFragment).toBeTruthy()
+    expect(res.childNodes.length).toBe(1)
+    expect(res.firstChild.nodeValue).toBe('')
   })
 
   it('should parse textContent if argument is a script node', function () {

Original file line number	Diff line number	Diff line change
`@@ -71,7 +71,7 @@ function isRealTemplate (node) {`
`71`	`71`	`}`
`72`	`72`
`73`	`73`	`const tagRE = /<([\w:]+)/`
`74`		`-const entityRE = /&\w+;\|&#\d+;\|&#x[\dA-F]+;/`
	`74`	`+const entityRE = /&#?\w+?;/`
`75`	`75`
`76`	`76`	`/**`
`77`	`77`	`* Convert a string template to a DocumentFragment.`