43 lines
1.5 KiB
TypeScript
43 lines
1.5 KiB
TypeScript
import { createAuthClient } from "better-auth/react";
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import { anonymousClient } from "better-auth/client/plugins";
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// Factory function to create auth client with specific baseUrl
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function createAuthClientWithUrl(baseUrl: string) {
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return createAuthClient({
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baseURL: baseUrl,
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plugins: [anonymousClient()],
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});
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}
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// Cache for auth client instances by baseUrl
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const clientCache = new Map<string, ReturnType<typeof createAuthClientWithUrl>>();
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function resolveAuthClientBaseUrl(baseUrl: string | null): string {
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if (typeof window !== 'undefined' && window.location?.origin) {
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// Always use same-origin in the browser so local hostname variants
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// (localhost vs LAN IP) do not break cookie/session bootstrap.
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return window.location.origin;
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}
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if (baseUrl) return baseUrl;
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throw new Error(
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'Cannot create auth client without baseUrl in a non-browser context. ' +
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'Use useAuthConfig() in components to get the properly configured baseUrl.'
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);
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}
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/**
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* Factory function to get auth client with specific baseUrl.
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* In components, prefer reading `baseUrl` from `useAuthConfig()` and then calling `getAuthClient(baseUrl)`.
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* @param baseUrl - Server-provided auth URL; in the browser we use same-origin automatically.
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*/
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export function getAuthClient(baseUrl: string | null) {
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const resolvedBaseUrl = resolveAuthClientBaseUrl(baseUrl);
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if (!clientCache.has(resolvedBaseUrl)) {
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clientCache.set(resolvedBaseUrl, createAuthClientWithUrl(resolvedBaseUrl));
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}
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return clientCache.get(resolvedBaseUrl)!;
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}
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