feature: port from python client lib

src/errors/index.ts

@@ -0,0 +1,70 @@
+/**
+ * Error classes matching OpenAI's error structure
+ */
+
+export class APIError extends Error {
+    statusCode?: number;
+    errorDetails?: object;
+
+    constructor(message: string, statusCode?: number, errorDetails?: object) {
+        super(message);
+        this.name = 'APIError';
+        this.statusCode = statusCode;
+        this.errorDetails = errorDetails;
+
+        // Maintains proper stack trace for where our error was thrown (only available on V8)
+        if (Error.captureStackTrace) {
+            Error.captureStackTrace(this, this.constructor);
+        }
+    }
+}
+
+export class AuthenticationError extends APIError {
+    constructor(message: string, statusCode?: number, errorDetails?: object) {
+        super(message, statusCode, errorDetails);
+        this.name = 'AuthenticationError';
+    }
+}
+
+export class InvalidRequestError extends APIError {
+    constructor(message: string, statusCode?: number, errorDetails?: object) {
+        super(message, statusCode, errorDetails);
+        this.name = 'InvalidRequestError';
+    }
+}
+
+export class RateLimitError extends APIError {
+    constructor(message: string, statusCode?: number, errorDetails?: object) {
+        super(message, statusCode, errorDetails);
+        this.name = 'RateLimitError';
+    }
+}
+
+export class ServerError extends APIError {
+    constructor(message: string, statusCode?: number, errorDetails?: object) {
+        super(message, statusCode, errorDetails);
+        this.name = 'ServerError';
+    }
+}
+
+export class APIConnectionError extends Error {
+    constructor(message: string) {
+        super(message);
+        this.name = 'APIConnectionError';
+
+        if (Error.captureStackTrace) {
+            Error.captureStackTrace(this, this.constructor);
+        }
+    }
+}
+
+export class SecurityError extends Error {
+    constructor(message: string) {
+        super(message);
+        this.name = 'SecurityError';
+
+        if (Error.captureStackTrace) {
+            Error.captureStackTrace(this, this.constructor);
+        }
+    }
+}