Carlos Florêncio
54 lines
2.0 KiB
TypeScript
54 lines
2.0 KiB
TypeScript
export type AppConfig = {
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apiBaseUrl: string;
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};
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// Non-browser default used by route/action helpers running beside the backend.
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const DEFAULT_API_BASE_URL = "http://localhost:38429";
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let debugUiCached: boolean | undefined;
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/** Whether debug-only UI (poll badges, debug overlay) should render. */
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export function isDebugUI(): boolean {
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if (debugUiCached !== undefined) return debugUiCached;
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const env = getViteEnv();
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debugUiCached =
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env.VITE_KANDEV_DEBUG === "true" ||
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(typeof process !== "undefined" &&
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(process.env.KANDEV_DEBUG === "true" || process.env.VITE_KANDEV_DEBUG === "true")) ||
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(typeof window !== "undefined" && window.__KANDEV_DEBUG === true);
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return debugUiCached;
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}
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export function getBackendConfig(): AppConfig {
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// Server-side: use env vars or localhost defaults (SSR runs on same machine as backend)
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if (typeof window === "undefined") {
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return {
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apiBaseUrl: process.env.KANDEV_API_BASE_URL ?? DEFAULT_API_BASE_URL,
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};
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}
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// Client-side URL resolution:
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// 1. Port-based URL via __KANDEV_API_PORT (dev mode: browser on :37429, API on :38429)
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// 2. Vite env port (Vite dev server injects VITE_* env at build time)
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// 3. Same-origin (production: Go serves the SPA and API on one port)
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// Works for any hosting scenario: localhost, custom domain, Tailscale, etc.
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const env = getViteEnv();
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const port = readPort(window.__KANDEV_API_PORT) ?? readPort(env.VITE_KANDEV_API_PORT);
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if (port) {
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const protocol = window.location.protocol;
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return { apiBaseUrl: `${protocol}//${window.location.hostname}:${port}` };
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}
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return { apiBaseUrl: window.location.origin };
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}
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function readPort(value: string | undefined): number | null {
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if (!value) return null;
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const port = parseInt(value, 10);
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return Number.isInteger(port) && port > 0 && port <= 65535 ? port : null;
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}
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function getViteEnv(): Record<string, string | undefined> {
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return (import.meta as unknown as { env?: Record<string, string | undefined> }).env ?? {};
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}
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