chore(compiler-sfc): gracefully handle failed parse when analyzing bindings

packages/compiler-sfc/src/compileScript.ts

@@ -1,7 +1,7 @@
 import MagicString from 'magic-string'
 import { BindingMetadata } from '@vue/compiler-core'
 import { SFCDescriptor, SFCScriptBlock } from './parse'
-import { parse, ParserPlugin } from '@babel/parser'
+import { parse, ParserPlugin, ParserOptions } from '@babel/parser'
 import { babelParserDefaultPlugins, generateCodeFrame } from '@vue/shared'
 import {
   Node,
@@ -72,6 +72,7 @@ export function compileScript(
       // do not process non js/ts script blocks
       return script
     }
+    try {
       const scriptAst = parse(script.content, {
         plugins,
         sourceType: 'module'
@@ -82,6 +83,11 @@ export function compileScript(
         bindings: analyzeScriptBindings(scriptAst),
         scriptAst
       }
+    } catch (e) {
+      // silently fallback if parse fails since user may be using custom
+      // babel syntax
+      return script
+    }
   }
 
   if (script && scriptLang !== scriptSetupLang) {