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node_modules/vant/es/area/Area.mjs

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+import { ref, watch, computed, defineComponent, mergeProps as _mergeProps, createVNode as _createVNode } from "vue";
+import { pick, extend, makeArrayProp, makeNumericProp, createNamespace } from "../utils/index.mjs";
+import { pickerSharedProps } from "../picker/Picker.mjs";
+import { INHERIT_PROPS, INHERIT_SLOTS, formatDataForCascade } from "./utils.mjs";
+import { useExpose } from "../composables/use-expose.mjs";
+import { Picker } from "../picker/index.mjs";
+const [name, bem] = createNamespace("area");
+const areaProps = extend({}, pick(pickerSharedProps, INHERIT_PROPS), {
+  modelValue: String,
+  columnsNum: makeNumericProp(3),
+  columnsPlaceholder: makeArrayProp(),
+  areaList: {
+    type: Object,
+    default: () => ({})
+  }
+});
+var stdin_default = defineComponent({
+  name,
+  props: areaProps,
+  emits: ["change", "confirm", "cancel", "update:modelValue"],
+  setup(props, {
+    emit,
+    slots
+  }) {
+    const codes = ref([]);
+    const picker = ref();
+    const columns = computed(() => formatDataForCascade(props));
+    const onChange = (...args) => emit("change", ...args);
+    const onCancel = (...args) => emit("cancel", ...args);
+    const onConfirm = (...args) => emit("confirm", ...args);
+    watch(codes, (newCodes) => {
+      const lastCode = newCodes.length ? newCodes[newCodes.length - 1] : "";
+      if (lastCode && lastCode !== props.modelValue) {
+        emit("update:modelValue", lastCode);
+      }
+    }, {
+      deep: true
+    });
+    watch(() => props.modelValue, (newCode) => {
+      if (newCode) {
+        const lastCode = codes.value.length ? codes.value[codes.value.length - 1] : "";
+        if (newCode !== lastCode) {
+          codes.value = [`${newCode.slice(0, 2)}0000`, `${newCode.slice(0, 4)}00`, newCode].slice(0, +props.columnsNum);
+        }
+      } else {
+        codes.value = [];
+      }
+    }, {
+      immediate: true
+    });
+    useExpose({
+      confirm: () => {
+        var _a;
+        return (_a = picker.value) == null ? void 0 : _a.confirm();
+      },
+      getSelectedOptions: () => {
+        var _a;
+        return ((_a = picker.value) == null ? void 0 : _a.getSelectedOptions()) || [];
+      }
+    });
+    return () => _createVNode(Picker, _mergeProps({
+      "ref": picker,
+      "modelValue": codes.value,
+      "onUpdate:modelValue": ($event) => codes.value = $event,
+      "class": bem(),
+      "columns": columns.value,
+      "onChange": onChange,
+      "onCancel": onCancel,
+      "onConfirm": onConfirm
+    }, pick(props, INHERIT_PROPS)), pick(slots, INHERIT_SLOTS));
+  }
+});
+export {
+  areaProps,
+  stdin_default as default
+};