vant/lib/checkbox/Checkbox.js

var __create = Object.create;
var __defProp = Object.defineProperty;
var __getOwnPropDesc = Object.getOwnPropertyDescriptor;
var __getOwnPropNames = Object.getOwnPropertyNames;
var __getProtoOf = Object.getPrototypeOf;
var __hasOwnProp = Object.prototype.hasOwnProperty;
var __export = (target, all) => {
  for (var name2 in all)
    __defProp(target, name2, { get: all[name2], enumerable: true });
};
var __copyProps = (to, from, except, desc) => {
  if (from && typeof from === "object" || typeof from === "function") {
    for (let key of __getOwnPropNames(from))
      if (!__hasOwnProp.call(to, key) && key !== except)
        __defProp(to, key, { get: () => from[key], enumerable: !(desc = __getOwnPropDesc(from, key)) || desc.enumerable });
  }
  return to;
};
var __toESM = (mod, isNodeMode, target) => (target = mod != null ? __create(__getProtoOf(mod)) : {}, __copyProps(
  // If the importer is in node compatibility mode or this is not an ESM
  // file that has been converted to a CommonJS file using a Babel-
  // compatible transform (i.e. "__esModule" has not been set), then set
  // "default" to the CommonJS "module.exports" for node compatibility.
  isNodeMode || !mod || !mod.__esModule ? __defProp(target, "default", { value: mod, enumerable: true }) : target,
  mod
));
var __toCommonJS = (mod) => __copyProps(__defProp({}, "__esModule", { value: true }), mod);
var stdin_exports = {};
__export(stdin_exports, {
  checkboxProps: () => checkboxProps,
  default: () => stdin_default
});
module.exports = __toCommonJS(stdin_exports);
var import_vue = require("vue");
var import_utils = require("../utils");
var import_CheckboxGroup = require("../checkbox-group/CheckboxGroup");
var import_use = require("@vant/use");
var import_use_expose = require("../composables/use-expose");
var import_Checker = __toESM(require("./Checker"));
const [name, bem] = (0, import_utils.createNamespace)("checkbox");
const checkboxProps = (0, import_utils.extend)({}, import_Checker.checkerProps, {
  shape: String,
  bindGroup: import_utils.truthProp,
  indeterminate: {
    type: Boolean,
    default: null
  }
});
var stdin_default = (0, import_vue.defineComponent)({
  name,
  props: checkboxProps,
  emits: ["change", "update:modelValue"],
  setup(props, {
    emit,
    slots
  }) {
    const {
      parent
    } = (0, import_use.useParent)(import_CheckboxGroup.CHECKBOX_GROUP_KEY);
    const setParentValue = (checked2) => {
      const {
        name: name2
      } = props;
      const {
        max,
        modelValue
      } = parent.props;
      const value = modelValue.slice();
      if (checked2) {
        const overlimit = max && value.length >= +max;
        if (!overlimit && !value.includes(name2)) {
          value.push(name2);
          if (props.bindGroup) {
            parent.updateValue(value);
          }
        }
      } else {
        const index = value.indexOf(name2);
        if (index !== -1) {
          value.splice(index, 1);
          if (props.bindGroup) {
            parent.updateValue(value);
          }
        }
      }
    };
    const checked = (0, import_vue.computed)(() => {
      if (parent && props.bindGroup) {
        return parent.props.modelValue.indexOf(props.name) !== -1;
      }
      return !!props.modelValue;
    });
    const toggle = (newValue = !checked.value) => {
      if (parent && props.bindGroup) {
        setParentValue(newValue);
      } else {
        emit("update:modelValue", newValue);
      }
      if (props.indeterminate !== null) emit("change", newValue);
    };
    (0, import_vue.watch)(() => props.modelValue, (value) => {
      if (props.indeterminate === null) emit("change", value);
    });
    (0, import_use_expose.useExpose)({
      toggle,
      props,
      checked
    });
    (0, import_use.useCustomFieldValue)(() => props.modelValue);
    return () => (0, import_vue.createVNode)(import_Checker.default, (0, import_vue.mergeProps)({
      "bem": bem,
      "role": "checkbox",
      "parent": parent,
      "checked": checked.value,
      "onToggle": toggle
    }, props), (0, import_utils.pick)(slots, ["default", "icon"]));
  }
});