From 6eb5e1d706d381067118c62acf758873b3e4deb6 Mon Sep 17 00:00:00 2001
From: Starcea <stardev.uwu@gmail.com>
Date: Sat, 24 Jun 2023 16:09:15 +0900
Subject: [PATCH] feat: literal error code type

---
 src/errors.ts | 15 ++++++++++++++-
 src/http.ts   |  4 ++--
 2 files changed, 16 insertions(+), 3 deletions(-)

diff --git a/src/errors.ts b/src/errors.ts
index 9031f1e..e07e12d 100644
--- a/src/errors.ts
+++ b/src/errors.ts
@@ -36,6 +36,19 @@ export class LimitUseAuthenticationKeyError extends HTTPError {}
 
 export class DataNotFoundError extends HTTPError {}
 
+export type ErrorCode =
+  | 'ERROR-300'
+  | 'ERROR-290'
+  | 'ERROR-310'
+  | 'ERROR-333'
+  | 'ERROR-336'
+  | 'ERROR-337'
+  | 'ERROR-500'
+  | 'ERROR-600'
+  | 'ERROR-601'
+  | 'INFO-300'
+  | 'INFO-200'
+
 export const ErrorsMapping = {
   'ERROR-300': MissingRequiredValueError,
   'ERROR-290': AuthenticationError,
@@ -48,4 +61,4 @@ export const ErrorsMapping = {
   'ERROR-601': SQLStatementError,
   'INFO-300': LimitUseAuthenticationKeyError,
   'INFO-200': DataNotFoundError,
-} satisfies Record<string, typeof HTTPError>
+} satisfies Record<ErrorCode, typeof HTTPError>
diff --git a/src/http.ts b/src/http.ts
index cd0ee8c..c4ed2b2 100644
--- a/src/http.ts
+++ b/src/http.ts
@@ -1,4 +1,4 @@
-import { ErrorsMapping, RequestTimeoutError } from './errors'
+import { ErrorCode, ErrorsMapping, RequestTimeoutError } from './errors'
 import type {
   AcaInsTiInfoParam,
   AcaInsTiInfoResponse,
@@ -180,7 +180,7 @@ export class NeisRequest {
     })
 
     if (data.RESULT) {
-      const code = data.RESULT.CODE as keyof typeof ErrorsMapping
+      const code = data.RESULT.CODE as ErrorCode
       const err = new ErrorsMapping[code](code, data.RESULT.MESSAGE)
 
       this.logger?.error(err)