Merge branch 'next' into conventional-comments

libs/shared/src/index.ts

@@ -25,3 +25,5 @@ export * from './services';
 export * from './types';
 export * from './ui';
 export * from './utils';
+export * from './services';
+export * from './config';

libs/shared/src/utils/checkIsResponseError.spec.ts

@@ -0,0 +1,60 @@
+import { checkIsResponseError } from './checkIsResponseError';
+import { IResponseError } from '../types';
+
+describe('checkIsResponseError', () => {
+  it('should return true for a valid IResponseError object', () => {
+    const error: IResponseError = {
+      error: 'Something went wrong',
+      message: 'An error occurred',
+      statusCode: 500,
+    };
+
+    const result = checkIsResponseError(error);
+    expect(result).toBe(true);
+  });
+
+  it('should return false for null', () => {
+    const result = checkIsResponseError(null);
+    expect(result).toBe(false);
+  });
+
+  it('should return false for undefined', () => {
+    const result = checkIsResponseError(undefined);
+    expect(result).toBe(false);
+  });
+
+  it('should return false for a non-object value', () => {
+    const result = checkIsResponseError('This is a string');
+    expect(result).toBe(false);
+  });
+
+  it('should return false if the object is missing the "error" property', () => {
+    const error = {
+      message: 'An error occurred',
+      statusCode: 500,
+    };
+
+    const result = checkIsResponseError(error);
+    expect(result).toBe(false);
+  });
+
+  it('should return false if the object is missing the "message" property', () => {
+    const error = {
+      error: 'Something went wrong',
+      statusCode: 500,
+    };
+
+    const result = checkIsResponseError(error);
+    expect(result).toBe(false);
+  });
+
+  it('should return false if the object is missing the "statusCode" property', () => {
+    const error = {
+      error: 'Something went wrong',
+      message: 'An error occurred',
+    };
+
+    const result = checkIsResponseError(error);
+    expect(result).toBe(false);
+  });
+});

libs/shared/src/utils/checkIsResponseError.ts

@@ -0,0 +1,8 @@
+import { IResponseError } from '../types';
+
+/**
+ * Validate (type-guard) that an error response matches our IResponseError interface.
+ */
+export const checkIsResponseError = (err: unknown): err is IResponseError => {
+  return !!err && typeof err === 'object' && 'error' in err && 'message' in err && 'statusCode' in err;
+};

libs/shared/src/utils/index.ts

@@ -1 +1,2 @@
+export * from './checkIsResponseError';
 export * from './env';