[improvement] rename packages dir to src (#3659)

src/popup/index.js

@@ -0,0 +1,70 @@
+import { createNamespace, isDef } from '../utils';
+import { PopupMixin } from '../mixins/popup';
+
+const [createComponent, bem] = createNamespace('popup');
+
+export default createComponent({
+  mixins: [PopupMixin],
+
+  props: {
+    transition: String,
+    duration: {
+      type: Number,
+      default: null
+    },
+    position: {
+      type: String,
+      default: 'center'
+    },
+    overlay: {
+      type: Boolean,
+      default: true
+    },
+    closeOnClickOverlay: {
+      type: Boolean,
+      default: true
+    }
+  },
+
+  beforeCreate() {
+    const createEmitter = eventName => event => this.$emit(eventName, event);
+
+    this.onClick = createEmitter('click');
+    this.onOpened = createEmitter('opened');
+    this.onClosed = createEmitter('closed');
+  },
+
+  render(h) {
+    if (!this.shouldRender) {
+      return;
+    }
+
+    const { position, duration } = this;
+
+    const transitionName =
+      this.transition ||
+      (position === 'center' ? 'van-fade' : `van-popup-slide-${position}`);
+
+    const style = {};
+    if (isDef(duration)) {
+      style.transitionDuration = `${duration}s`;
+    }
+
+    return (
+      <transition
+        name={transitionName}
+        onAfterEnter={this.onOpened}
+        onAfterLeave={this.onClosed}
+      >
+        <div
+          vShow={this.value}
+          style={style}
+          class={bem({ [position]: position })}
+          onClick={this.onClick}
+        >
+          {this.slots()}
+        </div>
+      </transition>
+    );
+  }
+});