feat: request wrapper utility

web/src/ts/request.ts

@@ -0,0 +1,39 @@
+export class AuthError extends Error {}
+
+export class UnownedError extends Error {}
+
+
+const get = async ( url: string ): Promise<Response> => {
+    return await wrapper( url, {
+        'credentials': 'include'
+    } );
+};
+
+const post = async ( url: string, payload: string, mime: string = 'application/json' ): Promise<Response> => {
+    return await wrapper( url, {
+        'credentials': 'include',
+        'body': payload,
+        'headers': {
+            'Content-Type': mime ?? 'application/json'
+        }
+    } );
+};
+
+const wrapper = async ( url: string, opts: RequestInit ): Promise<Response> => {
+    const res = await fetch( import.meta.env.VITE_BACKEND_URL + url, opts );
+
+    if ( res.ok ) {
+        return res;
+    } else if ( res.status === 403 || res.status === 401 ) {
+        throw new AuthError( 'ERR_USER_UNAUTHORIZED' );
+    } else if ( res.status === 402 ) {
+        throw new UnownedError( 'ERR_USER_UNOWNED' );
+    } else {
+        throw new Error( 'ERR_' + res.status );
+    }
+};
+
+export default {
+    get,
+    post
+};