中文文档

get-safe-value

In a secure way, a library of function tools for obtaining values of a particular data type.

Install

Install with npm

  npm install --save get-safe-value

Usage

import { getString, getNumber, getBoolean, getObject, getArray, getFunction, getAny } from 'get-safe-value';
// or
// const { getString, getNumber, getBoolean, getObject, getArray, getFunction, getAny } =  require('get-safe-value');
const obj = {
	name: 'lucas',
	age: 30,
	brother: [
		{ 
			name: 'jack',
			age: 25,
		}
	],
	getName: ()=>{
		return this.name;
	},
}
// getString
console.log(getString(obj, "name")); // 'lucas'
console.log(getString(obj, "age")); // '30'  String array and Boolean, both call String constructor to String type
console.log(getString(obj, "helloWorld")); // ''
console.log(getString(obj, "brother[0].name")); // 'jack'
console.log(getString(obj, ["name", "brother[0].name"])); // ["lucas", "jack"]

//getNumber
console.log(getNumber(obj, "age")); //30
console.log(getNumber(obj, "name")); //0 Type mismatch default return Number：0 Number：0

//getBoolean
console.log(getBoolean({is: true}, "is")) // true
console.log(getBoolean({is: false}, "is")) // false
console.log(getBoolean({is: false}, "hello")) // false

//getObject
console.log(getObject(obj, "brother[0]")) // { name:'jack', age: 25 }
console.log(getObject(obj, "hello")) // {}

//getArray
console.log(getArray(obj, "brother")) // [{ name:'jack', age: 25 }]
console.log(getArray(obj, "name")) // []

//getFunction
console.log(getFunction(obj, "name")) // function(){}
console.log(getFunction(obj, "getName")) // function getName(){}

//getAny
console.log(getAny(obj, "name")) // 'lucas'
console.log(getAny(obj, "age")) // 30,
console.log(getAny(obj, "hello")) // undefined

methods

method	Return type
getString	String, Array
getNumber	Number, Array
getBoolean	Boolean, Array
getObject	Object, Array
getArray	Array
getFunction	Function, Array
getAny	Any, Array

Test

More examples to see the test

  npm test