get-safe-value
v1.7.0
Published
A library of utility functions that can safely retrieve values
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Readme
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 get-safe-value
yarn add 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