typeof-utility
Extended functions for defining and converting data types.
Install
Install with npm:
$ npm install --save typeof-utilityUsage
All functions
;Or individual functions
;const text = "text" infinityValue = 1/0 textNumber = "1"; typeof text === "string"; // boolean -> TRUEtypeof infinityValue === "number"; // boolean -> TRUEtypeof textNumber === "number"; // boolean -> FALSE ; // boolean -> TRUE, equiv `typeof text === "string"`; // boolean -> FALSE; // boolean -> FALSE; // boolean -> TRUEDocuments
| Function | Description |
|---|---|
| instanceOf(left: any, right: any): boolean | Default instanceof wrapper. |
| typeOf(value: any): boolean | Default typeof wrapper. |
| isNumber(value: any): boolean | Value is number, not NaN and is finite. |
| isNumeric(value: any): boolean | Value is number or a string convertible to a number, not NaN and is finite. |
| isScalar(value: any): boolean | Value is null, undefined, string, boolean or number. |
| isFunc(value: any): boolean | Value is function. |
| isObject(value: any): boolean | Value is object, not null. |
| isPlainObject(value: any): boolean | Returns true if an object was created by the Object constructor. |
| isString(value: any): boolean | Value is string. |
| isBool(value: any): boolean | Value is boolean. |
| isNull(value: any): boolean | Value is null or undefined. |
| isSymbol(value: any): boolean | Value is classified as a Symbol primitive or object. |
| isDOMElement(value: any): boolean | Value is likely a DOM element. |
| isWindowElement(value: any): boolean | Object is window. |
| isEmpty(value: any): boolean | Value is an empty object, collection, map, or set. |
| isWeb(value: any): boolean | The script works in the browser. |
| isCli(value: any): boolean | The script is running as a CLI. |
| type(value: any): string | Extended Value Type Possible values: Null, Undefined, Array, Date, RegExp, Event, Node, Window, NodeList, Object, Number, NaN, Infinity, Symbol, String, Boolean, Function |
| toString(value: any): string | Convert value to string. Warning: if the value is a function, it will be called |
License
Copyright © 2019, GoshaV Maniako. Released under the MIT License.