feat: use dynamic import to load cross fetch

supertokens · Oct 12, 2023 · c0c2c88 · c0c2c88
1 parent 4f4ffb2
commit c0c2c88
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Showing 2 changed files with 14 additions and 6 deletions.
diff --git a/lib/build/utils.js b/lib/build/utils.js
diff --git a/lib/ts/utils.ts b/lib/ts/utils.ts
@@ -6,15 +6,19 @@ import NormalisedURLPath from "./normalisedURLPath";
 import type { BaseRequest, BaseResponse } from "./framework";
 import { logDebugMessage } from "./logger";
 import { HEADER_FDI, HEADER_RID } from "./constants";
-import crossFetch from "cross-fetch";
 import { User } from "./user";
 import { SessionContainer } from "./recipe/session";
 
-export const doFetch: typeof fetch = (...args) => {
+let crossFetchImport: Promise<typeof import("cross-fetch")> | undefined;
+export const doFetch: typeof fetch = async (...args) => {
     if (typeof fetch !== "undefined") {
         return fetch(...args);
     }
-    return crossFetch(...args);
+    if (crossFetchImport === undefined) {
+        crossFetchImport = import("cross-fetch");
+    }
+    const crossFetch = await crossFetchImport;
+    return crossFetch.fetch(...args);
 };
 
 export function getLargestVersionFromIntersection(v1: string[], v2: string[]): string | undefined {