add GameMoneyError class

src/examples/checkout/create.ts

@@ -1,18 +1,27 @@
 /* eslint-disable @typescript-eslint/naming-convention */
 import { v4 as uuidv4 } from 'uuid'
 import gm from '../gm.js'
+import { GameMoneyError } from '../../index.js'
 
 const projectCheckoutId = uuidv4()
 
-const response = await gm.createCheckout({
-	projectId: projectCheckoutId,
-	user: '1',
-	ip: '72.14.192.0',
-	amount: 200.5,
-	wallet: '89123456789',
-	type: 'qiwi',
-	description: 'Payout for user account 250115125',
-	add_some_field: 'some value',
-})
+try {
+	const response = await gm.createCheckout({
+		projectId: projectCheckoutId,
+		user: '1',
+		ip: '72.14.192.0',
+		amount: 200.5,
+		wallet: '89123456789',
+		type: 'qiwi',
+		description: 'Payout for user account 250115125',
+		add_some_field: 'some value',
+	})
 
-console.log({ projectCheckoutId, response })
+	console.log({ projectCheckoutId, response })
+} catch (error: unknown) {
+	if (error instanceof GameMoneyError) {
+		console.log('Error from GameMoney API:', error.message)
+	} else {
+		console.log('another error:', error)
+	}
+}

src/index.ts

@@ -407,14 +407,20 @@ export interface TransferNotification {
 }
 
 type Payload = Record<string, unknown>
+
+export class GameMoneyError extends Error {
+	constructor(message: string) {
+		super(message)
+		this.name = 'GameMoneyError'
+	}
+}
 export default class GameMoney {
-	private readonly config: Config
 	private readonly got = got.extend({
 		prefixUrl: 'https://paygate.gamemoney.com',
 		responseType: 'json',
 	})
 
-	constructor(config: Config) {
+	constructor(private readonly config: Config) {
 		this.config = config
 	}
 
@@ -456,7 +462,7 @@ export default class GameMoney {
 		}
 
 		if (response.state === 'error') {
-			throw new Error(response.error)
+			throw new GameMoneyError(response.error!)
 		}
 
 		return response