create base error class & unified error import #3

api/src/errors/background-error.ts

@@ -1,15 +1,8 @@
 // Error classes for background jobs
+import { BaseError } from "./base-error";
 
 // Class for custom background errors
-export class BackgroundJobError extends Error{
+export class BackgroundJobError extends BaseError{}
-    cause?: unknown;
-
-    constructor(message: string, cause?: unknown){
-        super(message);
-        this.name = this.constructor.name;
-        this.cause = cause;
-    }
-}
 
 // Errors based on class BackgroundJobError
 export class BackgroundDatabaseError extends BackgroundJobError{
@@ -18,12 +11,6 @@ export class BackgroundDatabaseError extends BackgroundJobError{
     }
 }
 
-export class BackgroundFetchError extends BackgroundJobError{
-    constructor(cause?: unknown){
-        super('Fetching data failed', cause);
-    }
-}
-
 export class AttractionImportError extends BackgroundJobError{
     constructor(cause?: unknown){
         super('Failed to import attractions into database.', cause);

api/src/errors/base-error.ts

@@ -0,0 +1,10 @@
+// Base for new error domains/classes
+export class BaseError extends Error{
+    cause?: unknown;
+
+    constructor(message: string, cause?: unknown){
+        super(message);
+        this.name = this.constructor.name;
+        this.cause = cause;
+    }
+}

api/src/errors/index.ts

@@ -0,0 +1,3 @@
+export * from './background-error'
+export * from './http-error'
+export * from './lib-error'

api/src/errors/lib-error.ts

@@ -0,0 +1,14 @@
+// Errors in custom libs
+import { BaseError } from "./base-error";
+
+export class LibError extends BaseError{}
+
+export class FetchError extends LibError{
+    constructor(cause?: unknown, source?: string){
+        super(
+            source
+            ? `Fetching data from ${source} failed`
+            : 'Fetching data failed',
+            cause);
+    }
+}