Getting Enum Names and Values in Typescript

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Introduction

Have you ever had an enum and wanted to enumerate all the names of an enum? Or all the values of the enum? Or even both?!

Well, I had the same problem and I found the solution and now I'm going to share it with you.

Using the Code

Install the npm package enum-values:

npm install --save enum-values

Using the library is pretty easy (the example is in TypeScript):

import { EnumValues } from 'enum-values';

// Suppose we have an enum
enum SomeEnum {
  VALUE1,
  VALUE2,
  VALUE3
}

// names will be equal to: ['VALUE1', 'VALUE2', 'VALUE3']
var names = EnumValues.getNames(SomeEnum);

// values will be equal to: [0, 1, 2]
var values = EnumValues.getValues(SomeEnum);

// namesAndValues will be equal to:
// [
//  { name: 'VALUE1', value: 0 },
//  { name: 'VALUE2', value: 1 },
//  { name: 'VALUE3', value: 2 }
// ]
var namesAndValues = EnumValues.getNamesAndValues(SomeEnum);