50 lines
		
	
	
		
			1.4 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
		
		
			
		
	
	
			50 lines
		
	
	
		
			1.4 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
|  | 'use strict'; | ||
|  | 
 | ||
|  | Object.defineProperty(exports, '__esModule', { | ||
|  |   value: true | ||
|  | }); | ||
|  | exports.getValues = getValues; | ||
|  | exports.validationCondition = validationCondition; | ||
|  | exports.multipleValidOptions = multipleValidOptions; | ||
|  | 
 | ||
|  | /** | ||
|  |  * Copyright (c) Facebook, Inc. and its affiliates. All Rights Reserved. | ||
|  |  * | ||
|  |  * This source code is licensed under the MIT license found in the | ||
|  |  * LICENSE file in the root directory of this source tree. | ||
|  |  */ | ||
|  | const toString = Object.prototype.toString; | ||
|  | const MULTIPLE_VALID_OPTIONS_SYMBOL = Symbol('JEST_MULTIPLE_VALID_OPTIONS'); | ||
|  | 
 | ||
|  | function validationConditionSingle(option, validOption) { | ||
|  |   return ( | ||
|  |     option === null || | ||
|  |     option === undefined || | ||
|  |     (typeof option === 'function' && typeof validOption === 'function') || | ||
|  |     toString.call(option) === toString.call(validOption) | ||
|  |   ); | ||
|  | } | ||
|  | 
 | ||
|  | function getValues(validOption) { | ||
|  |   if ( | ||
|  |     Array.isArray(validOption) && // @ts-ignore
 | ||
|  |     validOption[MULTIPLE_VALID_OPTIONS_SYMBOL] | ||
|  |   ) { | ||
|  |     return validOption; | ||
|  |   } | ||
|  | 
 | ||
|  |   return [validOption]; | ||
|  | } | ||
|  | 
 | ||
|  | function validationCondition(option, validOption) { | ||
|  |   return getValues(validOption).some(e => validationConditionSingle(option, e)); | ||
|  | } // TODO: This should infer the types of its arguments, and return a union type of the types
 | ||
|  | // See https://github.com/Microsoft/TypeScript/issues/5453
 | ||
|  | 
 | ||
|  | function multipleValidOptions(...args) { | ||
|  |   const options = [...args]; // @ts-ignore
 | ||
|  | 
 | ||
|  |   options[MULTIPLE_VALID_OPTIONS_SYMBOL] = true; | ||
|  |   return options; | ||
|  | } |