be-type v1.0.2

be-type

be-type is based on ECMAScript2015+ proxy feature

Usage

yarn add be-type
npm install --save be-type

JavaScript:

import be from 'be-type';
be.function(()=>{}); // true

Custom type check:

//be.js
import be,{setBe} from 'be-type';
export default setBe({
    Negative:(value)=> be.Number(negative) && negative < 0
})
//other.js
import be from '../be.js';
be.Negative(-1); // true

API

Interface Rule:

1. If the first letter of the API is lowercase, then it refers to toString.call(value), the type returned by call.

be.function(()=>{}) equivalent toString.call(()=>{}) ==== "object Function"

be.generatorFunction(function (){}) equivalent toString.call(function (){}) ==== "object GeneratorFunction"

be.uint8Array(new Uint8Array()) equivalent toString.call(new Uint8Array()) ==== "object Uint8Array" etc..

2. if the first letter of the API is Uppercase, it means not toString.call(value), Custom type returned by call

Default built-in type check: