obj-valid/dist/helpers/typeCheck.js

This package can check is your object has correct structure without using typescript. As you know after transpilation interfaces disappear. If you want to check object structure on production or in clean javascript you can use this package.

"use strict";
var __importDefault = (this && this.__importDefault) || function (mod) {
    return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.typeCheck = void 0;
var kind_of_1 = __importDefault(require("kind-of"));
var arrayChecking_1 = require("./arrayChecking");
var createSchema_1 = require("../createSchema");
function typeCheck(value) {
    var currentType = kind_of_1.default(value);
    switch (currentType) {
        case 'array':
            return arrayChecking_1.arrayChecking(value);
            break;
        case 'object':
            return createSchema_1.createSchema(value);
            break;
        default:
            return currentType;
            break;
    }
}
exports.typeCheck = typeCheck;
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