@toreda/strong-types/dist/is/length.js

Better TypeScript code in fewer lines.

"use strict";
/**
 *	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.
 *
 */
Object.defineProperty(exports, "__esModule", { value: true });
exports.isLengthMake = exports.isLength = void 0;
const node_1 = require("../rule/node");
/**
 * Check whether current value is a string or array matching target length.
 * @param value
 * @param expectedLength
 * @returns
 *
 * @category Validators
 */
function isLength(value, expectedLength) {
    if (!Array.isArray(value) && typeof value !== 'number' && typeof value !== 'string') {
        return false;
    }
    if (typeof value === 'string') {
        return value.length === expectedLength;
    }
    if (typeof value === 'number') {
        return value === expectedLength;
    }
    return value.length === expectedLength;
}
exports.isLength = isLength;
/**
 * Factory to create isLength validator function used in rule chains.
 * @param caller
 * @param rule
 * @param mods
 * @returns
 *
 * @category Validator Factory Functions
 */
function isLengthMake(caller, rule, mods) {
    return (expectedLength) => {
        const fn = (curr) => {
            return isLength(curr, expectedLength);
        };
        const node = new node_1.RuleNode('IS_LENGTH', 1 /* CMP */, fn, mods);
        rule.add(node);
        return caller;
    };
}
exports.isLengthMake = isLengthMake;