types(v-node-directive): changed expression type of VNodeDerective to…

… optional string fix vuejs#10871
kawokas · Mar 8, 2020 · 730f0d1 · 730f0d1
1 parent bce5b98
commit 730f0d1
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diff --git a/types/test/options-test.ts b/types/test/options-test.ts
@@ -478,3 +478,20 @@ Vue.component('functional-component-v-model', {
 
 
 Vue.component('async-es-module-component', () => import('./es-module'))
+
+Vue.component('directive-expression-optional-string', {
+  render(createElement) {
+    return createElement("div", {
+      directives: [
+        {
+          name: 'has-expression',
+          value: 2,
+          expression: '1 + 1',
+        }, {
+          name: 'no-expression',
+          value: 'foo',
+        },
+      ],
+    })
+  }
+});
diff --git a/types/vnode.d.ts b/types/vnode.d.ts
@@ -69,7 +69,7 @@ export interface VNodeDirective {
   name: string;
   value?: any;
   oldValue?: any;
-  expression?: any;
+  expression?: string;
   arg?: string;
   oldArg?: string;
   modifiers?: { [key: string]: boolean };