@toreda/strong-types/dist/is/boolean.d.ts

Better TypeScript code in fewer lines.

/**
 *	MIT License
 *
 *	Copyright (c) 2019 - 2021 Toreda, Inc.
 *
 *	Permission is hereby granted, free of charge, to any person obtaining a copy
 *	of this software and associated documentation files (the "Software"), to deal
 *	in the Software without restriction, including without limitation the rights
 *	to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 *	copies of the Software, and to permit persons to whom the Software is
 *	furnished to do so, subject to the following conditions:

 * 	The above copyright notice and this permission notice shall be included in all
 * 	copies or substantial portions of the Software.
 *
 * 	THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 *	IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 *	FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * 	AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 *	LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 *	OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * 	SOFTWARE.
 *
 */
import { Rule } from '../rule';
import { RuleMods } from '../rule/mods';
/**
 * Type signature for isBoolean validator functions used within rule chains.
 *
 * @category Validators
 */
export declare type IsBoolean<CallerT> = (value?: boolean) => CallerT;
/**
 * Determine if provided value is a boolean with strict true or
 * false value. All non-booleans return false, regardless of truthyness.
 * @param value
 * @returns
 *
 * @category Validators
 */
export declare function isBoolean(value: boolean | null): boolean;
/**
 * Factory to create isBoolean validator function used in rule chains.
 * @param caller
 * @param rule
 * @param mods
 * @returns
 *
 * @category Validator Factory Functions
 */
export declare function isBooleanMake<CallerT>(caller: CallerT, rule: Rule, mods: RuleMods): IsBoolean<CallerT>;