feat(compiler-core): add parser transform for v-for directive (#65)

* feat(compiler-core): add parser transform for v-for directive * fix: Include source location for expressions * chore: remove comment * refactor(compiler-core): extract hepler functions to utils
2019-09-19 22:53:49 +05:30
parent bbb57c26a2
commit 10c1a2b332
7 changed files with 751 additions and 21 deletions
--- a/packages/compiler-core/src/ast.ts
+++ b/packages/compiler-core/src/ast.ts
@@ -102,9 +102,9 @@ export interface IfBranchNode extends Node {
 export interface ForNode extends Node {
  type: NodeTypes.FOR
  source: ExpressionNode
-  valueAlias: ExpressionNode
-  keyAlias: ExpressionNode
-  objectIndexAlias: ExpressionNode
+  valueAlias: ExpressionNode | undefined
+  keyAlias: ExpressionNode | undefined
+  objectIndexAlias: ExpressionNode | undefined
  children: ChildNode[]
 }