Chore: Restructure Repository for SvelteKit

_old/api/client.ts

@@ -0,0 +1,151 @@
+import { store } from "@store/state.svelte";
+import { fetchAuthenticated, AuthRequiredError, refreshUiAccessToken } from "../core/auth";
+import { boot } from "@store/boot.svelte";
+import { getBlobUrl } from "@core/cache/imageCache";
+
+const DEFAULT_URL = "http://127.0.0.1:4567";
+
+type ReauthResolver = () => void;
+let _reauthQueue: ReauthResolver[] = [];
+
+export function notifyReauthSuccess() {
+  const queue = _reauthQueue;
+  _reauthQueue = [];
+  queue.forEach(resolve => resolve());
+}
+
+function waitForReauth(): Promise<void> {
+  return new Promise(resolve => { _reauthQueue.push(resolve); });
+}
+
+export function getServerUrl(): string {
+  const url = store.settings.serverUrl;
+  return typeof url === "string" && url.trim() ? url.replace(/\/$/, "") : DEFAULT_URL;
+}
+
+export function plainThumbUrl(path: string): string {
+  if (!path) return "";
+  if (path.startsWith("http")) return path;
+  return `${getServerUrl()}${path}`;
+}
+
+export async function resolveImageUrl(path: string): Promise<string> {
+  if (!path) return "";
+  const url = path.startsWith("http") ? path : `${getServerUrl()}${path}`;
+  const mode = store.settings.serverAuthMode ?? "NONE";
+  if (mode === "NONE") return url;
+  return getBlobUrl(url);
+}
+
+export const thumbUrl = plainThumbUrl;
+
+interface GQLResponse<T> {
+  data: T;
+  errors?: { message: string }[];
+}
+
+function abortableSleep(ms: number, signal?: AbortSignal): Promise<void> {
+  return new Promise((resolve, reject) => {
+    if (signal?.aborted) { reject(new DOMException("Aborted", "AbortError")); return; }
+    const timer = setTimeout(resolve, ms);
+    signal?.addEventListener("abort", () => {
+      clearTimeout(timer);
+      reject(new DOMException("Aborted", "AbortError"));
+    }, { once: true });
+  });
+}
+
+async function fetchWithRetry(
+  url: string,
+  init: RequestInit,
+  signal?: AbortSignal,
+  retries = 3,
+  delayMs = 300,
+): Promise<Response> {
+  if (signal?.aborted) throw new DOMException("Aborted", "AbortError");
+  for (let i = 0; i < retries; i++) {
+    if (signal?.aborted) throw new DOMException("Aborted", "AbortError");
+    try {
+      const res = await fetchAuthenticated(url, init, signal, boot.skipped);
+      if (signal?.aborted) throw new DOMException("Aborted", "AbortError");
+      return res;
+    } catch (e: any) {
+      if (e?.authRequired) throw e;
+      if (e?.name === "AbortError" || signal?.aborted) throw new DOMException("Aborted", "AbortError");
+      if (e instanceof AuthRequiredError) throw e;
+      if (i === retries - 1) throw e;
+      await abortableSleep(delayMs * Math.pow(1.5, i), signal);
+    }
+  }
+  throw new Error("unreachable");
+}
+
+export async function fetchImage(
+  path: string,
+  signal?: AbortSignal,
+): Promise<{ src: string; revoke: () => void }> {
+  if (!path) return { src: "", revoke: () => {} };
+
+  const url  = path.startsWith("http") ? path : `${getServerUrl()}${path}`;
+  const mode = store.settings.serverAuthMode ?? "NONE";
+
+  if (mode === "NONE") return { src: url, revoke: () => {} };
+
+  const res = await fetchWithRetry(url, { method: "GET" }, signal);
+  if (!res.ok) throw new Error(`Image fetch failed: ${res.status}`);
+
+  const blob = await res.blob();
+  const src  = URL.createObjectURL(blob);
+  return { src, revoke: () => URL.revokeObjectURL(src) };
+}
+
+export async function gql<T>(
+  query: string,
+  variables?: Record<string, unknown>,
+  signal?: AbortSignal,
+): Promise<T> {
+  const tryRefreshAndRetry = async (): Promise<T | null> => {
+    const mode = store.settings.serverAuthMode ?? "NONE";
+    if (mode !== "UI_LOGIN" || boot.skipped) return null;
+    const refreshed = await refreshUiAccessToken(true);
+    if (!refreshed) return null;
+    if (signal?.aborted) throw new DOMException("Aborted", "AbortError");
+    return attempt();
+  };
+
+  const attempt = async (): Promise<T> => {
+    const res = await fetchWithRetry(
+      `${getServerUrl()}/api/graphql`,
+      { method: "POST", headers: { "Content-Type": "application/json" }, body: JSON.stringify({ query, variables }) },
+      signal,
+    );
+    if (signal?.aborted) throw new DOMException("Aborted", "AbortError");
+    if (!res.ok) {
+      if (res.status === 401 || res.status === 403) {
+        const retried = await tryRefreshAndRetry();
+        if (retried) return retried;
+      }
+      throw new Error(`Suwayomi HTTP ${res.status}`);
+    }
+    const json: GQLResponse<T> = await res.json();
+    if (signal?.aborted) throw new DOMException("Aborted", "AbortError");
+    if (json.errors?.length) {
+      const isAuthError = json.errors.some(e => /unauthorized|unauthenticated/i.test(e.message));
+      if (isAuthError && !boot.skipped) {
+        const retried = await tryRefreshAndRetry();
+        if (retried) return retried;
+
+        boot.sessionExpired = true;
+        boot.loginRequired  = true;
+        boot.loginUser      = store.settings.serverAuthUser ?? "";
+        await waitForReauth();
+        if (signal?.aborted) throw new DOMException("Aborted", "AbortError");
+        return attempt();
+      }
+      throw new Error(json.errors[0].message);
+    }
+    return json.data;
+  };
+
+  return attempt();
+}