ember-validators/dist/exclusion.js

A collection of EmberJS validators

import { isEmpty, typeOf } from '@ember/utils';
import { assert } from '@ember/debug';
import validationError from './utils/validation-error.js';

/**
 *  @class Exclusion
 *  @module Validators
 */

/**
 * @method validate
 * @param {Any} value
 * @param {Object} options
 * @param {Boolean} options.allowBlank If true, skips validation if the value is empty
 * @param {Array} options.in The list of values this attribute should not be
 * @param {Array} options.range The range in which the attribute's value should not reside in
 * @param {Object} model
 * @param {String} attribute
 */
function validateExclusion(value, options, model, attribute) {
  const array = options.in;
  const {
    range,
    allowBlank
  } = options;
  assert(`[validator:exclusion] [${attribute}] no options were passed in`, !isEmpty(Object.keys(options)));
  if (allowBlank && isEmpty(value)) {
    return true;
  }
  if (array && array.indexOf(value) !== -1) {
    return validationError('exclusion', value, options);
  }
  if (range && range.length === 2) {
    const [min, max] = range;
    const equalType = typeOf(value) === typeOf(min) && typeOf(value) === typeOf(max);
    if (equalType && min <= value && value <= max) {
      return validationError('exclusion', value, options);
    }
  }
  return true;
}

export { validateExclusion as default };
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