72 lines
2.2 KiB
TypeScript
72 lines
2.2 KiB
TypeScript
import axios from 'axios';
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/**
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* Pre-configured Axios instance for API communication.
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* Includes base URL, credentials, and timeout settings.
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*/
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const client = axios.create({
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baseURL: '/api/v1',
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withCredentials: true, // Required for HttpOnly cookie transmission
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timeout: 30000, // 30 second timeout
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});
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/**
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* Sets or clears the Authorization header for API requests.
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* @param token - JWT token to set, or null to clear authentication
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*/
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export const setAuthToken = (token: string | null) => {
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if (token) {
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client.defaults.headers.common.Authorization = `Bearer ${token}`;
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} else {
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delete client.defaults.headers.common.Authorization;
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}
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};
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/**
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* Callback function invoked when a 401 authentication error occurs.
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* Set via setAuthErrorHandler to allow AuthContext to handle session expiry.
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*/
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let onAuthError: (() => void) | null = null;
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/**
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* Registers a callback to handle authentication errors (401 responses).
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* @param handler - Function to call when authentication fails
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*/
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export const setAuthErrorHandler = (handler: () => void) => {
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onAuthError = handler;
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};
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// Global response error handling
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client.interceptors.response.use(
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(response) => response,
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(error) => {
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// Extract API error message and set on error object for consistent error handling
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if (error.response?.data && typeof error.response.data === 'object') {
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const data = error.response.data as { error?: string; message?: string };
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if (data.error) {
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error.message = data.error;
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} else if (data.message) {
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error.message = data.message;
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}
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}
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// Handle 401 authentication errors - triggers auth error callback for session expiry
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if (error.response?.status === 401) {
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console.warn('Authentication failed:', error.config?.url);
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// Skip auth error handling for login/auth endpoints to avoid redirect loops
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const url = error.config?.url || '';
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const isAuthEndpoint =
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url.includes('/auth/login') ||
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url.includes('/auth/me') ||
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url.includes('/auth/logout') ||
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url.includes('/auth/refresh');
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if (onAuthError && !isAuthEndpoint) {
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onAuthError();
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}
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}
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return Promise.reject(error);
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}
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);
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export default client;
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