wip(ssr): v-bind basic usage

packages/compiler-core/__tests__/transforms/noopDirectiveTransform.spec.ts

@@ -0,0 +1,26 @@
+import {
+  baseParse as parse,
+  transform,
+  ElementNode,
+  CallExpression,
+  noopDirectiveTransform
+} from '../../src'
+import { transformElement } from '../../src/transforms/transformElement'
+
+describe('compiler: noop directive transform', () => {
+  test('should add no props to DOM', () => {
+    const ast = parse(`<div v-noop/>`)
+    transform(ast, {
+      nodeTransforms: [transformElement],
+      directiveTransforms: {
+        noop: noopDirectiveTransform
+      }
+    })
+    const node = ast.children[0] as ElementNode
+    const codegenArgs = (node.codegenNode as CallExpression).arguments
+
+    // As v-noop adds no properties the codegen should be identical to
+    // rendering a div with no props or reactive data (so just the tag as the arg)
+    expect(codegenArgs.length).toBe(1)
+  })
+})

packages/compiler-core/__tests__/transforms/transformElement.spec.ts

@@ -405,8 +405,7 @@ describe('compiler: element transform', () => {
         foo(dir) {
           _dir = dir
           return {
-            props: [createObjectProperty(dir.arg!, dir.exp!)],
-            needRuntime: false
+            props: [createObjectProperty(dir.arg!, dir.exp!)]
           }
         }
       }