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typescript enums

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Meti answered on December 7, 2020 Popularity 10/10 Helpfulness 3/10

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typescript enums

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//All of the following members are auto-incremented from that point on. 
//In other words, Direction.Up has the value 1, Down has 2, Left has 3, and Right has 4.
enum Direction {
  Up = 1, //If Up is not set to 1 will be 0 by default!
  Down, //Down = 2
  Left, //Left = 3
  Right, //Right = 4
}
//String enum
enum Direction {
  Up = "UP",
  Down = "DOWN",
  Left = "LEFT",
  Right = "RIGHT",
}

Popularity 10/10 Helpfulness 3/10 Language typescript

Source: www.typescriptlang.org

Tags: enums typescript

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Contributed on Nov 27 2022

Meti

0 Answers Avg Quality 2/10

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enum Provider {"google", "linkedin", "local"}
interface User {
	authprovider: keyof typeof Provider
}

Popularity 10/10 Helpfulness 3/10 Language typescript

Source: Grepper

Tags: typescript t

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Contributed on Aug 07 2023

Talented Turtle

0 Answers Avg Quality 2/10

enums in typescript

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enum Direction {
  Up = 1,
  Down,
  Left,
  Right,
}

Popularity 10/10 Helpfulness 2/10 Language typescript

Source: www.typescriptlang.org

Tags: enums enum

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Contributed on Dec 07 2020

Creepy Gábor

0 Answers Avg Quality 2/10

typescript enum

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enum Sides {LEFT, RIGHT};
Sides.LEFT;  // 0
Sides.RIGHT; // 1

const typeFromEnum: Sides.LEFT = Sides.LEFT; // Enums become types!

console.log(Sides);   // { '0': 'LEFT', '1': 'RIGHT', LEFT: 0, RIGHT: 1 } 

type leftOrRight = keyof typeof Sides; // 'LEFT' | 'RIGHT'

let sideName: string = Sides[0];  // 'LEFT'  reverse mapping


enum EnumWithString {
  X = "XX",
  Y = "YY",
};
console.log(EnumWithString); // { X: 'XX', Y: 'YY' }  no reverse mapping

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Source: Grepper

Tags: typescript t

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Contributed on Mar 12 2022

Naughty Nightingale

0 Answers Avg Quality 2/10

TypeScript enum

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enum Direction {
  Up = 1,
  Down,
  Left,
  Right,
}
We’ll first start off with numeric enums, which are probably more familiar if you’re coming from other languages. An enum can be defined using the enum keyword.

If we wanted, we could leave off the initializers entirely:
enum Direction {
  Up,
  Down,
  Left,
  Right,
}
  
enum Direction {
  Up = "UP",
  Down = "DOWN",
  Left = "LEFT",
  Right = "RIGHT",
}

Popularity 10/10 Helpfulness 2/10 Language typescript

Source: www.typescriptlang.org

Tags: typescript t

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Contributed on Apr 20 2022

Faris Abuali

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typescript enum

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-1

enum EMoney {
	gopay = 'gopay',
	dana = 'dana',
	ovo = 'ovo'
}

enum Bank {
	bca = 'bca',
	mandiri = 'mandiri',
	bri = 'bri'
}

interface OnlineShop<T> {
	payment: T
}

const payment: OnlineShop<Bank> = {
	payment: Bank.bca
}

Popularity 10/10 Helpfulness 1/10 Language typescript

Source: Grepper

Tags: typescript t

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Contributed on Apr 08 2022

Restu Wahyu Saputra

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typescript enums

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