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node_modules/vant/es/mixins/popup/overlay.js

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+import _extends from "@babel/runtime/helpers/esm/extends";
+import Overlay from '../../overlay';
+import { context } from './context';
+import { mount } from '../../utils/functional';
+import { removeNode } from '../../utils/dom/node';
+var defaultConfig = {
+  className: '',
+  customStyle: {}
+};
+
+function mountOverlay(vm) {
+  return mount(Overlay, {
+    on: {
+      // close popup when overlay clicked & closeOnClickOverlay is true
+      click: function click() {
+        vm.$emit('click-overlay');
+
+        if (vm.closeOnClickOverlay) {
+          if (vm.onClickOverlay) {
+            vm.onClickOverlay();
+          } else {
+            vm.close();
+          }
+        }
+      }
+    }
+  });
+}
+
+export function updateOverlay(vm) {
+  var item = context.find(vm);
+
+  if (item) {
+    var el = vm.$el;
+    var config = item.config,
+        overlay = item.overlay;
+
+    if (el && el.parentNode) {
+      el.parentNode.insertBefore(overlay.$el, el);
+    }
+
+    _extends(overlay, defaultConfig, config, {
+      show: true
+    });
+  }
+}
+export function openOverlay(vm, config) {
+  var item = context.find(vm);
+
+  if (item) {
+    item.config = config;
+  } else {
+    var overlay = mountOverlay(vm);
+    context.stack.push({
+      vm: vm,
+      config: config,
+      overlay: overlay
+    });
+  }
+
+  updateOverlay(vm);
+}
+export function closeOverlay(vm) {
+  var item = context.find(vm);
+
+  if (item) {
+    item.overlay.show = false;
+  }
+}
+export function removeOverlay(vm) {
+  var item = context.find(vm);
+
+  if (item) {
+    removeNode(item.overlay.$el);
+    context.remove(vm);
+  }
+}