Drop support for TypeScript 3.7 and below

src/lib/index.ts

@@ -1,16 +1,15 @@
 import toast from './core/toast';
-// Type re-export workaround, to stay compatible with TS 3.7 and lower
-import type {
-	ToastOptions as _ToastOptions,
-	ToastPosition as _ToastPosition,
-	Toast as _Toast,
-	Renderable as _Renderable,
-	ValueOrFunction as _ValueOrFunction,
-	ToasterProps as _ToasterProps,
-	DefaultToastOptions as _DefaultToastOptions,
-	IconTheme as _IconTheme,
-	ToastType as _ToastType,
-	ValueFunction as _ValueFunction
+export type {
+	ToastOptions,
+	ToastPosition,
+	Toast,
+	Renderable,
+	ValueOrFunction,
+	ToasterProps,
+	DefaultToastOptions,
+	IconTheme,
+	ToastType,
+	ValueFunction
 } from './core/types';
 
 export { default as useToaster } from './core/use-toaster';
@@ -23,16 +22,5 @@ export { default as ErrorIcon } from './components/ErrorIcon.svelte';
 export { default as LoaderIcon } from './components/LoaderIcon.svelte';
 export { resolveValue } from './core/types';
 
-export type ToastOptions = _ToastOptions;
-export type ToastPosition = _ToastPosition;
-export type Toast = _Toast;
-export type Renderable = _Renderable;
-export type ValueOrFunction<TValue, TArg> = _ValueOrFunction<TValue, TArg>;
-export type ToasterProps = _ToasterProps;
-export type DefaultToastOptions = _DefaultToastOptions;
-export type IconTheme = _IconTheme;
-export type ToastType = _ToastType;
-export type ValueFunction<TArg, TValue> = _ValueFunction<TArg, TValue>;
-
 export { toast };
 export default toast;