tiny-types/lib/predicates/isArray.js

A tiny library that brings Tiny Types to JavaScript and TypeScript

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.isArray = isArray;
const Predicate_1 = require("./Predicate");
/**
 * @desc Ensures that the `value` is an {@link Array}.
 *
 * @example
 * import { ensure, isArray, TinyType, TinyTypeOf } from 'tiny-types';
 *
 * class Name extends TinyTypeOf<string>() {}
 *
 * class Names extends TinyType {
 *   constructor(public readonly values: Name[]) {
 *      super();
 *      ensure('Names', values, isArray());
 *   }
 * }
 *
 * @returns {Predicate<T[]>}
 */
function isArray() {
    return Predicate_1.Predicate.to(`be an array`, (value) => Array.isArray(value));
}
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