presenton/electron/servers/nextjs/utils/api.ts

111 lines
3.2 KiB
TypeScript

// Utility to get the FastAPI base URL
export function getFastAPIUrl(): string {
// Prefer Electron-preload env when available
if (typeof window !== "undefined" && (window as any).env?.NEXT_PUBLIC_FAST_API) {
return (window as any).env.NEXT_PUBLIC_FAST_API;
}
// In Electron, NEXT_PUBLIC_FAST_API is set by setupEnv in main.ts
if (process.env.NEXT_PUBLIC_FAST_API) {
return process.env.NEXT_PUBLIC_FAST_API;
}
const queryFastApiUrl = getFastApiUrlFromQuery();
if (queryFastApiUrl) {
return queryFastApiUrl;
}
// Safe Electron fallback to local FastAPI
return "http://127.0.0.1:8000";
}
function getFastApiUrlFromQuery(): string | null {
if (typeof window === "undefined") return null;
try {
const params = new URLSearchParams(window.location.search);
const value = params.get("fastapiUrl");
if (!value) return null;
const parsed = new URL(value);
if (parsed.protocol !== "http:" && parsed.protocol !== "https:") {
return null;
}
return parsed.origin;
} catch {
return null;
}
}
function isAbsoluteHttpUrl(path: string): boolean {
return /^https?:\/\//i.test(path);
}
function withLeadingSlash(path: string): string {
return path.startsWith("/") ? path : `/${path}`;
}
function isElectronRuntime(): boolean {
return typeof window !== "undefined" && !!(window as any).electron;
}
// Utility to construct API URL that works in both web and Electron.
export function getApiUrl(path: string): string {
if (isAbsoluteHttpUrl(path)) {
return path;
}
const normalizedPath = withLeadingSlash(path);
const isFastApiEndpoint = normalizedPath.startsWith("/api/v1/");
const hasWindowFastApi = typeof window !== "undefined" && !!(window as any).env?.NEXT_PUBLIC_FAST_API;
const hasQueryFastApi = !!getFastApiUrlFromQuery();
// In web/docker, /api/v1 is typically reverse-proxied by the web server.
// In Electron, Next and FastAPI run on different ports, so use FastAPI base URL.
if (
isFastApiEndpoint &&
(isElectronRuntime() || !!process.env.NEXT_PUBLIC_FAST_API || hasWindowFastApi || hasQueryFastApi)
) {
return `${getFastAPIUrl()}${normalizedPath}`;
}
return normalizedPath;
}
function hasBackendAssetPrefix(path: string): boolean {
return path.startsWith("/static/") || path.startsWith("/app_data/");
}
// Resolve backend-served asset paths to the FastAPI origin in Electron/runtime split-port setups.
export function resolveBackendAssetUrl(path?: string): string {
if (!path) return "";
const trimmedPath = path.trim();
if (!trimmedPath) return "";
if (
trimmedPath.startsWith("data:") ||
trimmedPath.startsWith("blob:") ||
trimmedPath.startsWith("file:")
) {
return trimmedPath;
}
if (isAbsoluteHttpUrl(trimmedPath)) {
try {
const parsed = new URL(trimmedPath);
if (hasBackendAssetPrefix(parsed.pathname)) {
return `${getFastAPIUrl()}${parsed.pathname}${parsed.search}${parsed.hash}`;
}
return trimmedPath;
} catch {
return trimmedPath;
}
}
const normalizedPath = withLeadingSlash(trimmedPath);
if (hasBackendAssetPrefix(normalizedPath)) {
return `${getFastAPIUrl()}${normalizedPath}`;
}
return trimmedPath;
}