| 1 | export function isString(obj) {
|
| 2 | return Object.prototype.toString.call(obj) === '[object String]';
|
| 3 | }
|
| 4 |
|
| 5 | export function isObject(obj) {
|
| 6 | return Object.prototype.toString.call(obj) === '[object Object]';
|
| 7 | }
|
| 8 |
|
| 9 | export function isHtmlElement(node) {
|
| 10 | return node && node.nodeType === Node.ELEMENT_NODE;
|
| 11 | }
|
| 12 |
|
| 13 | export const isFunction = (functionToCheck) => {
|
| 14 | var getType = {};
|
| 15 | return functionToCheck && getType.toString.call(functionToCheck) === '[object Function]';
|
| 16 | };
|
| 17 |
|
| 18 | export const isUndefined = (val)=> {
|
| 19 | return val === void 0;
|
| 20 | };
|
| 21 |
|
| 22 | export const isDefined = (val) => {
|
| 23 | return val !== undefined && val !== null;
|
| 24 | };
|