feat(compiler-core): create transform for v-model (#146)

2019-10-10 20:03:58 +05:30
parent 99bdc5a8c8
commit 87c3d2edae
6 changed files with 557 additions and 4 deletions
--- a/packages/compiler-core/src/utils.ts
+++ b/packages/compiler-core/src/utils.ts
@@ -20,7 +20,8 @@ import {
  BlockCodegenNode,
  ElementCodegenNode,
  SlotOutletCodegenNode,
-  ComponentCodegenNode
+  ComponentCodegenNode,
+  ExpressionNode
 } from './ast'
 import { parse } from 'acorn'
 import { walk } from 'estree-walker'
@@ -237,3 +238,7 @@ export function toValidAssetId(
 ): string {
  return `_${type}_${name.replace(/[^\w]/g, '')}`
 }
+
+export function isEmptyExpression(node: ExpressionNode) {
+  return node.type === NodeTypes.SIMPLE_EXPRESSION && !node.content.trim()
+}