[improvement] Functional components be just functions (#2735)

packages/goods-action-big-btn/index.js

@@ -1,43 +1,38 @@
 import { use } from '../utils';
 import Button from '../button';
-import { emit, inherit, unifySlots } from '../utils/functional';
+import { emit, inherit } from '../utils/functional';
 import { functionalRoute, routeProps } from '../mixins/router';
 
 const [sfc, bem] = use('goods-action-big-btn');
 
-export default sfc({
-  functional: true,
+function GoodsActionBigBtn(h, props, slots, ctx) {
+  const onClick = event => {
+    emit(ctx, 'click', event);
+    functionalRoute(ctx);
+  };
 
-  props: {
-    ...routeProps,
-    text: String,
-    primary: Boolean,
-    loading: Boolean,
-    disabled: Boolean
-  },
+  return (
+    <Button
+      square
+      class={bem()}
+      size="large"
+      loading={props.loading}
+      disabled={props.disabled}
+      type={props.primary ? 'danger' : 'warning'}
+      onClick={onClick}
+      {...inherit(ctx)}
+    >
+      {slots.default ? slots.default() : props.text}
+    </Button>
+  );
+}
 
-  render(h, context) {
-    const { props } = context;
-    const slots = unifySlots(context);
+GoodsActionBigBtn.props = {
+  ...routeProps,
+  text: String,
+  primary: Boolean,
+  loading: Boolean,
+  disabled: Boolean
+};
 
-    const onClick = event => {
-      emit(context, 'click', event);
-      functionalRoute(context);
-    };
-
-    return (
-      <Button
-        square
-        class={bem()}
-        size="large"
-        loading={props.loading}
-        disabled={props.disabled}
-        type={props.primary ? 'danger' : 'warning'}
-        onClick={onClick}
-        {...inherit(context)}
-      >
-        {slots.default ? slots.default() : props.text}
-      </Button>
-    );
-  }
-});
+export default sfc(GoodsActionBigBtn);