import { getCurrentInstance, inject, ref, computed } from 'vue';
import { isEqual } from 'lodash-unified';
import { buildProps, definePropType } from '../../utils/vue/props/runtime.mjs';
import { isFunction, isArray } from '@vue/shared';

const emptyValuesContextKey = Symbol("emptyValuesContextKey");
const SCOPE = "use-empty-values";
const DEFAULT_EMPTY_VALUES = ["", void 0, null];
const DEFAULT_VALUE_ON_CLEAR = void 0;
const useEmptyValuesProps = buildProps({
  emptyValues: Array,
  valueOnClear: {
    type: definePropType([
      String,
      Number,
      Boolean,
      Function
    ]),
    default: void 0,
    validator: (val) => {
      val = isFunction(val) ? val() : val;
      if (isArray(val)) {
        return val.every((item) => !item);
      }
      return !val;
    }
  }
});
const useEmptyValues = (props, defaultValue) => {
  const config = getCurrentInstance() ? inject(emptyValuesContextKey, ref({})) : ref({});
  const emptyValues = computed(() => props.emptyValues || config.value.emptyValues || DEFAULT_EMPTY_VALUES);
  const valueOnClear = computed(() => {
    if (isFunction(props.valueOnClear)) {
      return props.valueOnClear();
    } else if (props.valueOnClear !== void 0) {
      return props.valueOnClear;
    } else if (isFunction(config.value.valueOnClear)) {
      return config.value.valueOnClear();
    } else if (config.value.valueOnClear !== void 0) {
      return config.value.valueOnClear;
    }
    return defaultValue !== void 0 ? defaultValue : DEFAULT_VALUE_ON_CLEAR;
  });
  const isEmptyValue = (value) => {
    let result = true;
    if (isArray(value)) {
      result = emptyValues.value.some((emptyValue) => {
        return isEqual(value, emptyValue);
      });
    } else {
      result = emptyValues.value.includes(value);
    }
    return result;
  };
  if (!isEmptyValue(valueOnClear.value)) ;
  return {
    emptyValues,
    valueOnClear,
    isEmptyValue
  };
};

export { DEFAULT_EMPTY_VALUES, DEFAULT_VALUE_ON_CLEAR, SCOPE, emptyValuesContextKey, useEmptyValues, useEmptyValuesProps };
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