variable-type/lib/types/optional.js

Runtime type checking for variable and similar objects.

"use strict";
/**
 * Created by hustcc on 17/08/01.
 */
var __importDefault = (this && this.__importDefault) || function (mod) {
    return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
var or_1 = __importDefault(require("./or"));
var typeOf_1 = __importDefault(require("./typeOf"));
/**
 * convert a type into optional.
 * 扩展运算，可选的校验
 * @param type
 * @returns Type
 */
function default_1(type) {
    return or_1.default([
        type,
        typeOf_1.default('undefined')
    ]);
}
exports.default = default_1;
;
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