I think this will fix it

Author: Harris-Miller

types/util/reExports.d.ts

@@ -0,0 +1,18 @@
+//
+// If typescript `tsc` when building declaration files cannot access deep type reference, you get a opaque error
+// This in particular will happen with pnpm if no hoisting is applying to the packages for types utilizing the
+// the `ts-toolbelt` types package
+// Re-exporting those types here makes those directly accessible to the consumer, fixing the issue
+//
+
+export type { Curry } from 'ts-toolbelt/out/Function/Curry';
+export type { Take } from 'ts-toolbelt/out/List/Take';
+export type { Flatten } from 'ts-toolbelt/out/List/Flatten';
+export type { Merge } from 'ts-toolbelt/out/List/Merge';
+export type { Assign } from 'ts-toolbelt/out/Object/Assign';
+export type { Parameters } from 'ts-toolbelt/out/Function/Parameters';
+export type { UnNest } from 'ts-toolbelt/out/List/UnNest';
+export type { Narrow } from 'ts-toolbelt/out/Function/Narrow';
+export type { ZipObj } from 'ts-toolbelt/out/List/ZipObj';
+export type { x } from 'ts-toolbelt/out/Any/x';
+export type { Primitive } from 'ts-toolbelt/out/Misc/Primitive';