feat: errors

src/errors.ts

@@ -0,0 +1,46 @@
+class NeisError extends Error {}
+
+class HTTPError extends NeisError {
+  constructor(code: string, msg: string) {
+    super(`${code}: ${msg}`)
+    this.name = this.constructor.name
+  }
+}
+
+export class MissingRequiredValueError extends HTTPError {}
+
+export class AuthenticationError extends HTTPError {}
+
+export class ServiceNotFoundError extends HTTPError {}
+
+export class InvalidLocationValueError extends HTTPError {}
+
+export class RequestLimitExceededError extends HTTPError {}
+
+export class DailyTrafficLimitExceededError extends HTTPError {}
+
+export class ServerError extends HTTPError {}
+
+export class DatabaseConnectionError extends HTTPError {}
+
+export class SQLStatementError extends HTTPError {}
+
+export class LimitUseAuthenticationKeyError extends HTTPError {}
+
+export class DataNotFoundError extends HTTPError {}
+
+export const ErrorsMapping: {
+  [key: string]: new (code: string, msg: string) => NeisError
+} = {
+  'ERROR-300': MissingRequiredValueError,
+  'ERROR-290': AuthenticationError,
+  'ERROR-310': ServiceNotFoundError,
+  'ERROR-333': InvalidLocationValueError,
+  'ERROR-336': RequestLimitExceededError,
+  'ERROR-337': DailyTrafficLimitExceededError,
+  'ERROR-500': ServerError,
+  'ERROR-600': DatabaseConnectionError,
+  'ERROR-601': SQLStatementError,
+  'INFO-300': LimitUseAuthenticationKeyError,
+  'INFO-200': DataNotFoundError,
+}

src/http.ts

@@ -1,3 +1,4 @@
+import { ErrorsMapping } from './errors'
 import type {
   AcaInsTiInfoParam,
   AcaInsTiInfoResponse,
@@ -134,9 +135,12 @@ export class NeisRequest {
     const { data } = await this.rest.request(config)
 
     if (data.RESULT) {
-      this.logger?.error(`${data.RESULT.CODE} ${data.RESULT.MESSAGE}`)
+      const code = data.RESULT.CODE
+      const err = new ErrorsMapping[code](code, data.RESULT.MESSAGE)
 
-      throw new Error(`${data.RESULT.CODE} ${data.RESULT.MESSAGE}`)
+      this.logger?.error(err)
+
+      throw err
     }
 
     return Object.values((Object.values(data) as object[][])[0][1])[0] as T[]

src/index.ts

@@ -1,2 +1,3 @@
 export * from './client'
+export * from './errors'
 export * from './types'