chore(NavBar): use tsx

src/nav-bar/index.tsx

@@ -0,0 +1,97 @@
+import { ref, CSSProperties } from 'vue';
+
+// Utils
+import { createNamespace } from '../utils';
+import { BORDER_BOTTOM } from '../utils/constant';
+
+// Composition
+import { usePlaceholder } from '../composition/use-placeholder';
+
+// Components
+import Icon from '../icon';
+
+const [createComponent, bem] = createNamespace('nav-bar');
+
+export default createComponent({
+  props: {
+    title: String,
+    fixed: Boolean,
+    zIndex: [Number, String],
+    leftText: String,
+    rightText: String,
+    leftArrow: Boolean,
+    placeholder: Boolean,
+    border: {
+      type: Boolean,
+      default: true,
+    },
+  },
+
+  emits: ['click-left', 'click-right'],
+
+  setup(props, { emit, slots }) {
+    const navBarRef = ref();
+    const renderPlaceholder = usePlaceholder(navBarRef, bem);
+
+    const onClickLeft = (event: MouseEvent) => {
+      emit('click-left', event);
+    };
+
+    const onClickRight = (event: MouseEvent) => {
+      emit('click-right', event);
+    };
+
+    const renderLeft = () => {
+      if (slots.left) {
+        return slots.left();
+      }
+
+      return [
+        props.leftArrow && <Icon class={bem('arrow')} name="arrow-left" />,
+        props.leftText && <span class={bem('text')}>{props.leftText}</span>,
+      ];
+    };
+
+    const renderRight = () => {
+      if (slots.right) {
+        return slots.right();
+      }
+
+      if (props.rightText) {
+        return <span class={bem('text')}>{props.rightText}</span>;
+      }
+    };
+
+    const renderNavBar = () => {
+      const { title, fixed, border, zIndex } = props;
+      const style: CSSProperties = {
+        zIndex: zIndex !== undefined ? +zIndex : undefined,
+      };
+
+      return (
+        <div
+          ref={navBarRef}
+          style={style}
+          class={[bem({ fixed }), { [BORDER_BOTTOM]: border }]}
+        >
+          <div class={bem('left')} onClick={onClickLeft}>
+            {renderLeft()}
+          </div>
+          <div class={[bem('title'), 'van-ellipsis']}>
+            {slots.title ? slots.title() : title}
+          </div>
+          <div class={bem('right')} onClick={onClickRight}>
+            {renderRight()}
+          </div>
+        </div>
+      );
+    };
+
+    return () => {
+      if (props.fixed && props.placeholder) {
+        return renderPlaceholder(renderNavBar);
+      }
+      return renderNavBar();
+    };
+  },
+});