fix(compiler-core): do not increase newlines in InEntity state (#13362)

KazariEX · web-flow · commit f05a8d613bd8 · 2025-06-05T09:39:05.000+08:00
diff --git a/packages/compiler-core/__tests__/parse.spec.ts b/packages/compiler-core/__tests__/parse.spec.ts
@@ -2271,6 +2271,11 @@ describe('compiler: parse', () => {
       expect(span.loc.start.offset).toBe(0)
       expect(span.loc.end.offset).toBe(27)
     })
+
+    test('correct loc when a line in attribute value ends with &', () => {
+      const [span] = baseParse(`<span v-if="foo &&\nbar"></span>`).children
+      expect(span.loc.end.line).toBe(2)
+    })
   })
 
   describe('decodeEntities option', () => {
diff --git a/packages/compiler-core/src/tokenizer.ts b/packages/compiler-core/src/tokenizer.ts
@@ -929,7 +929,7 @@ export default class Tokenizer {
     this.buffer = input
     while (this.index < this.buffer.length) {
       const c = this.buffer.charCodeAt(this.index)
-      if (c === CharCodes.NewLine) {
+      if (c === CharCodes.NewLine && this.state !== State.InEntity) {
         this.newlines.push(this.index)
       }
       switch (this.state) {

Original file line number	Diff line number	Diff line change
`@@ -929,7 +929,7 @@ export default class Tokenizer {`
`929`	`929`	`this.buffer = input`
`930`	`930`	`while (this.index < this.buffer.length) {`
`931`	`931`	`const c = this.buffer.charCodeAt(this.index)`
`932`		`- if (c === CharCodes.NewLine) {`
	`932`	`+ if (c === CharCodes.NewLine && this.state !== State.InEntity) {`
`933`	`933`	`this.newlines.push(this.index)`
`934`	`934`	`}`
`935`	`935`	`switch (this.state) {`