import { ref, getCurrentInstance, inject, computed } from 'vue';
import { checkboxGroupContextKey } from '../constants.mjs';
import { isUndefined } from '../../../../utils/types.mjs';
import { isArray } from '@vue/shared';
import { UPDATE_MODEL_EVENT } from '../../../../constants/event.mjs';

const useCheckboxModel = (props) => {
  const selfModel = ref(false);
  const { emit } = getCurrentInstance();
  const checkboxGroup = inject(checkboxGroupContextKey, void 0);
  const isGroup = computed(() => isUndefined(checkboxGroup) === false);
  const isLimitExceeded = ref(false);
  const model = computed({
    get() {
      var _a, _b;
      return isGroup.value ? (_a = checkboxGroup == null ? void 0 : checkboxGroup.modelValue) == null ? void 0 : _a.value : (_b = props.modelValue) != null ? _b : selfModel.value;
    },
    set(val) {
      var _a, _b;
      if (isGroup.value && isArray(val)) {
        isLimitExceeded.value = ((_a = checkboxGroup == null ? void 0 : checkboxGroup.max) == null ? void 0 : _a.value) !== void 0 && val.length > (checkboxGroup == null ? void 0 : checkboxGroup.max.value) && val.length > model.value.length;
        isLimitExceeded.value === false && ((_b = checkboxGroup == null ? void 0 : checkboxGroup.changeEvent) == null ? void 0 : _b.call(checkboxGroup, val));
      } else {
        emit(UPDATE_MODEL_EVENT, val);
        selfModel.value = val;
      }
    }
  });
  return {
    model,
    isGroup,
    isLimitExceeded
  };
};

export { useCheckboxModel };
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