[IMP] app: add fast path for when component has no prop

src/compiler/code_generator.ts

@@ -1181,7 +1181,9 @@ export class CodeGenerator {
       id,
       expr: `app.createComponent(${
         ast.isDynamic ? null : expr
-      }, ${!ast.isDynamic}, ${!!ast.slots}, ${!!ast.dynamicProps})`,
+      }, ${!ast.isDynamic}, ${!!ast.slots}, ${!!ast.dynamicProps}, ${
+        !ast.props && !ast.dynamicProps
+      })`,
     });
 
     let blockExpr = `${id}(${propString}, ${keyArg}, node, ctx, ${ast.isDynamic ? expr : null})`;
@@ -1278,7 +1280,7 @@ export class CodeGenerator {
     let id = generateId("comp");
     this.staticDefs.push({
       id,
-      expr: `app.createComponent(null, false, true, false)`,
+      expr: `app.createComponent(null, false, true, false, false)`,
     });
 
     const target = compileExpr(ast.target);

src/runtime/app.ts

@@ -118,7 +118,8 @@ export class App<
     name: string | null,
     isStatic: boolean,
     hasSlotsProp: boolean,
-    hasDynamicPropList: boolean
+    hasDynamicPropList: boolean,
+    hasNoProp: boolean
   ) {
     const isDynamic = !isStatic;
     function _arePropsDifferent(props1: Props, props2: Props): boolean {
@@ -129,7 +130,11 @@ export class App<
       }
       return hasDynamicPropList && Object.keys(props1).length !== Object.keys(props2).length;
     }
-    const arePropsDifferent = hasSlotsProp ? () => true : _arePropsDifferent;
+    const arePropsDifferent = hasSlotsProp
+      ? (_1: any, _2: any) => true
+      : hasNoProp
+      ? (_1: any, _2: any) => false
+      : _arePropsDifferent;
     const updateAndRender = ComponentNode.prototype.updateAndRender;
     const initiateRender = ComponentNode.prototype.initiateRender;