cutie-is


Cutie extension for checking types in JavaScript. It's based on the Async Tree Pattern.

Examples

You can find examples of using this library in the test directory.

Install

npm install @cuties/is

Run test

npm test

Run build

npm run build

Usage

``js
const {
// Here needed async objects from the table below
} = require('@cuties/is');
`

| Async Object | Async/sync call | Parameters | Representation result |
| ------------- | ----------------| ---------- | --------------------- |
| Is | value instanceof clazz | value, clazz | boolean |
| IsArray | Array.isArray | value | boolean |
| IsBoolean | typeof value === 'boolean' | value | boolean |
| IsDate | value instanceof Date | value | boolean |
| IsFunction | typeof value === 'function' | value | boolean |
| IsNull | typeof value === null | value | boolean |
| IsNumber | typeof value === 'number' | value | boolean |
| IsObject | typeof value === 'object' | value | boolean |
| IsRealObject | typeof value === 'object' && value !== null | value | boolean |
| IsString | typeof value === 'string' | value | boolean |
| IsSymbol | typeof value === 'symbol' | value | boolean |
| IsUndefined | typeof value === 'undefined' | value | boolean` |