Initial GeoIntel V1 foundation

frontend/src/services/api/client.ts

@@ -0,0 +1,66 @@
+const API_BASE_URL = import.meta.env.VITE_API_BASE_URL ?? "";
+
+export function apiUrl(path: string): string {
+  return `${API_BASE_URL}${path}`;
+}
+
+export class ApiHttpError extends Error {
+  readonly code: string;
+  readonly details?: unknown;
+
+  constructor(message: string, code = "REQUEST_ERROR", details?: unknown) {
+    super(message);
+    this.name = "ApiHttpError";
+    this.code = code;
+    this.details = details;
+  }
+}
+
+async function parseResponse<T>(response: Response): Promise<T> {
+  const payload = await response.json().catch(() => ({}));
+  if (!response.ok) {
+    const code = payload?.error?.code ?? "REQUEST_ERROR";
+    const message = payload?.error?.message ?? `Request failed (${response.status})`;
+    const details = payload?.error?.details;
+    throw new ApiHttpError(message, code, details);
+  }
+  return payload.data as T;
+}
+
+export async function apiGet<T>(path: string): Promise<T> {
+  const response = await fetch(apiUrl(path));
+  return parseResponse<T>(response);
+}
+
+export async function apiPost<T>(path: string, body?: object): Promise<T> {
+  const response = await fetch(apiUrl(path), {
+    method: "POST",
+    headers: { "Content-Type": "application/json" },
+    body: body ? JSON.stringify(body) : undefined,
+  });
+  return parseResponse<T>(response);
+}
+
+export async function apiPatch<T>(path: string, body?: object): Promise<T> {
+  const response = await fetch(apiUrl(path), {
+    method: "PATCH",
+    headers: { "Content-Type": "application/json" },
+    body: body ? JSON.stringify(body) : undefined,
+  });
+  return parseResponse<T>(response);
+}
+
+export async function apiDelete<T>(path: string): Promise<T> {
+  const response = await fetch(apiUrl(path), {
+    method: "DELETE",
+  });
+  return parseResponse<T>(response);
+}
+
+export async function apiMultipart<T>(path: string, form: FormData): Promise<T> {
+  const response = await fetch(apiUrl(path), {
+    method: "POST",
+    body: form,
+  });
+  return parseResponse<T>(response);
+}