fix: reset vExpressionScriptState when ending mustache

src/html/tokenizer.ts

@@ -1942,9 +1942,12 @@ export class Tokenizer {
             this.startToken("VExpressionEnd")
             this.appendTokenValue(RIGHT_CURLY_BRACKET, null)
             this.appendTokenValue(RIGHT_CURLY_BRACKET, null)
-            return this.vExpressionScriptState
-                ? this.vExpressionScriptState.state
-                : this.returnState
+            if (this.vExpressionScriptState) {
+                const state = this.vExpressionScriptState.state
+                this.vExpressionScriptState = null
+                return state
+            }
+            return this.returnState
         }
 
         this.appendTokenValue(RIGHT_CURLY_BRACKET, null)

test/fixtures/ast/mustache-without-open-in-textarea/source.vue

@@ -0,0 +1,4 @@
+<template>
+  {{ 123 }}
+  <textarea> }} <div </textarea>
+</template>

test/fixtures/ast/mustache-without-open-in-textarea/token-ranges.json

@@ -0,0 +1,22 @@
+[
+    "<template",
+    ">",
+    "\n  ",
+    "{{",
+    "123",
+    "}}",
+    "\n  ",
+    "<textarea",
+    ">",
+    " ",
+    "}}",
+    " ",
+    "<div",
+    " ",
+    "</textarea",
+    ">",
+    "\n",
+    "</template",
+    ">",
+    "\n"
+]

test/fixtures/ast/mustache-without-open-in-textarea/tree.json

@@ -0,0 +1,65 @@
+[
+    {
+        "type": "VElement",
+        "text": "<template>\n  {{ 123 }}\n  <textarea> }} <div </textarea>\n</template>",
+        "children": [
+            {
+                "type": "VStartTag",
+                "text": "<template>",
+                "children": []
+            },
+            {
+                "type": "VText",
+                "text": "\n  ",
+                "children": []
+            },
+            {
+                "type": "VExpressionContainer",
+                "text": "{{ 123 }}",
+                "children": [
+                    {
+                        "type": "Literal",
+                        "text": "123",
+                        "children": []
+                    }
+                ]
+            },
+            {
+                "type": "VText",
+                "text": "\n  ",
+                "children": []
+            },
+            {
+                "type": "VElement",
+                "text": "<textarea> }} <div </textarea>",
+                "children": [
+                    {
+                        "type": "VStartTag",
+                        "text": "<textarea>",
+                        "children": []
+                    },
+                    {
+                        "type": "VText",
+                        "text": " }} <div ",
+                        "children": []
+                    },
+                    {
+                        "type": "VEndTag",
+                        "text": "</textarea>",
+                        "children": []
+                    }
+                ]
+            },
+            {
+                "type": "VText",
+                "text": "\n",
+                "children": []
+            },
+            {
+                "type": "VEndTag",
+                "text": "</template>",
+                "children": []
+            }
+        ]
+    }
+]