feat(compiler-dom): transform for v-html

packages/compiler-dom/src/index.ts

@@ -2,6 +2,7 @@ import { baseCompile, CompilerOptions, CodegenResult } from '@vue/compiler-core'
 import { parserOptionsMinimal } from './parserOptionsMinimal'
 import { parserOptionsStandard } from './parserOptionsStandard'
 import { transformStyle } from './transforms/transformStyle'
+import { transformVHtml } from './transforms/vHtml'
 
 export function compile(
   template: string,
@@ -12,7 +13,7 @@ export function compile(
     ...(__BROWSER__ ? parserOptionsMinimal : parserOptionsStandard),
     nodeTransforms: [transformStyle, ...(options.nodeTransforms || [])],
     directiveTransforms: {
-      // TODO include DOM-specific directiveTransforms
+      html: transformVHtml,
       ...(options.directiveTransforms || {})
     }
   })

packages/compiler-dom/src/transforms/vHtml.ts

@@ -1 +1,25 @@
-// TODO
+import {
+  DirectiveTransform,
+  createCompilerError,
+  ErrorCodes,
+  createObjectProperty,
+  createSimpleExpression
+} from '@vue/compiler-core'
+
+export const transformVHtml: DirectiveTransform = (dir, node, context) => {
+  const { exp, loc } = dir
+  if (!exp) {
+    context.onError(createCompilerError(ErrorCodes.X_V_HTML_NO_EXPRESSION, loc))
+  }
+  if (node.children.length) {
+    context.onError(createCompilerError(ErrorCodes.X_V_HTML_WITH_CHILDREN, loc))
+    node.children.length = 0
+  }
+  return {
+    props: createObjectProperty(
+      createSimpleExpression(`innerHTML`, true, loc),
+      exp || createSimpleExpression('', true)
+    ),
+    needRuntime: false
+  }
+}