import * as util from '../util';
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var ENUM = 'enum';
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/**
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* Rule for validating a value exists in an enumerable list.
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*
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* @param rule The validation rule.
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* @param value The value of the field on the source object.
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* @param source The source object being validated.
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* @param errors An array of errors that this rule may add
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* validation errors to.
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* @param options The validation options.
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* @param options.messages The validation messages.
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*/
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function enumerable(rule, value, source, errors, options) {
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rule[ENUM] = Array.isArray(rule[ENUM]) ? rule[ENUM] : [];
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if (rule[ENUM].indexOf(value) === -1) {
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errors.push(util.format(options.messages[ENUM], rule.fullField, rule[ENUM].join(', ')));
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}
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}
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export default enumerable;
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