@helpscout/cyan/dist/utils/is.utils.js

Cypress-like Testing for React + JSDOM

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.isDefined = isDefined;
exports.typeOf = typeOf;
exports.isArray = isArray;
exports.isFunction = isFunction;
exports.isString = isString;
exports.isObject = isObject;
exports.isNodeCollection = exports.isElement = exports.isNode = exports.isNodeList = exports.isHTMLCollection = void 0;

function isDefined(value) {
  return value !== undefined && value !== null;
}

function typeOf(value, type) {
  return isDefined(value) && typeof value === type;
}

function isArray(value) {
  return Array.isArray(value);
}

function isFunction(value) {
  return typeOf(value, 'function');
}

function isString(value) {
  return typeOf(value, 'string');
}

function isObject(value) {
  return typeOf(value, 'object') && !isFunction(value) && !isArray(value);
}

var isHTMLCollection = function (obj) {
  return obj instanceof HTMLCollection;
};

exports.isHTMLCollection = isHTMLCollection;

var isNodeList = function (obj) {
  return obj instanceof NodeList;
};

exports.isNodeList = isNodeList;

var isNode = function (obj) {
  return obj instanceof Node;
};

exports.isNode = isNode;

var isElement = function (obj) {
  return obj instanceof Element || obj instanceof HTMLDocument;
};

exports.isElement = isElement;

var isNodeCollection = function (obj) {
  return isHTMLCollection(obj) || isNodeList(obj);
};

exports.isNodeCollection = isNodeCollection;