Merge pull request #61 from Llorx/patch-2

[Bug] Fix engine modifying AST
Siubaak · May 6, 2020 · 9848a88 · 9848a88
2 parents b5ae4b3 + 614a59c
commit 9848a88
Showing 1 changed file with 3 additions and 3 deletions.
diff --git a/src/evaluate/expression.ts b/src/evaluate/expression.ts
@@ -405,8 +405,8 @@ export function* ArrowFunctionExpression(node: estree.ArrowFunctionExpression, s
 }
 
 export function* TemplateLiteral(node: estree.TemplateLiteral, scope: Scope) {
-  const quasis = node.quasis
-  const expressions = node.expressions
+  const quasis = node.quasis.slice();
+  const expressions = node.expressions.slice();
 
   let result = ''
   let temEl: estree.TemplateElement
@@ -491,4 +491,4 @@ export function* AwaitExpression(node: estree.AwaitExpression, scope: Scope) {
   AWAIT.RES = yield* evaluate(node.argument, scope)
   return yield AWAIT
 }
-/*</remove>*/
+/*</remove>*/