bootstrap-vue/esm/components/form-select/helpers/mixin-options.js

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function ownKeys(object, enumerableOnly) { var keys = Object.keys(object); if (Object.getOwnPropertySymbols) { var symbols = Object.getOwnPropertySymbols(object); enumerableOnly && (symbols = symbols.filter(function (sym) { return Object.getOwnPropertyDescriptor(object, sym).enumerable; })), keys.push.apply(keys, symbols); } return keys; }

function _objectSpread(target) { for (var i = 1; i < arguments.length; i++) { var source = null != arguments[i] ? arguments[i] : {}; i % 2 ? ownKeys(Object(source), !0).forEach(function (key) { _defineProperty(target, key, source[key]); }) : Object.getOwnPropertyDescriptors ? Object.defineProperties(target, Object.getOwnPropertyDescriptors(source)) : ownKeys(Object(source)).forEach(function (key) { Object.defineProperty(target, key, Object.getOwnPropertyDescriptor(source, key)); }); } return target; }

function _defineProperty(obj, key, value) { if (key in obj) { Object.defineProperty(obj, key, { value: value, enumerable: true, configurable: true, writable: true }); } else { obj[key] = value; } return obj; }

import { extend } from '../../../vue';
import { PROP_TYPE_STRING } from '../../../constants/props';
import { get } from '../../../utils/get';
import { isNull, isPlainObject, isUndefined } from '../../../utils/inspect';
import { sortKeys } from '../../../utils/object';
import { makeProp, makePropsConfigurable } from '../../../utils/props';
import { formOptionsMixin, props as formOptionsProps } from '../../../mixins/form-options'; // --- Props ---

export var props = makePropsConfigurable(sortKeys(_objectSpread(_objectSpread({}, formOptionsProps), {}, {
  labelField: makeProp(PROP_TYPE_STRING, 'label'),
  optionsField: makeProp(PROP_TYPE_STRING, 'options')
})), 'formOptions'); // --- Mixin ---
// @vue/component

export var optionsMixin = extend({
  mixins: [formOptionsMixin],
  props: props,
  methods: {
    normalizeOption: function normalizeOption(option) {
      var key = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : null;

      // When the option is an object, normalize it
      if (isPlainObject(option)) {
        var value = get(option, this.valueField);
        var text = get(option, this.textField);
        var options = get(option, this.optionsField, null); // When it has options, create an `<optgroup>` object

        if (!isNull(options)) {
          return {
            label: String(get(option, this.labelField) || text),
            options: this.normalizeOptions(options)
          };
        } // Otherwise create an `<option>` object


        return {
          value: isUndefined(value) ? key || text : value,
          text: String(isUndefined(text) ? key : text),
          html: get(option, this.htmlField),
          disabled: Boolean(get(option, this.disabledField))
        };
      } // Otherwise create an `<option>` object from the given value


      return {
        value: key || option,
        text: String(option),
        disabled: false
      };
    }
  }
});