New fetchWithValidation / introducing simpleFetch

src/simpleFetch.ts

@@ -0,0 +1,28 @@
+import { Schema, z } from 'zod';
+import { RequestInit } from 'node-fetch';
+import fetchWithValidation from './fetchWithValidation';
+
+// https://stackoverflow.com/a/64919133
+class Wrapper<DataOut, DataIn, ErrorOut, ErrorIn> {
+  // eslint-disable-next-line class-methods-use-this
+  wrapped(
+    url: string,
+    schema: Schema<DataOut, z.ZodTypeDef, DataIn>,
+    options?: RequestInit,
+    errorSchema?: Schema<ErrorOut, z.ZodTypeDef, ErrorIn>,
+  ) {
+    return fetchWithValidation<DataOut, DataIn, ErrorOut, ErrorIn>(url, schema, options, errorSchema);
+  }
+}
+
+type FetchWithValidationInternalType<O, I, EO, EI> = ReturnType<Wrapper<O, I, EO, EI>['wrapped']>
+
+export default function simpleFetch<O, I, EO, EI, P extends unknown[]>(
+  f: (...params: P) => FetchWithValidationInternalType<O, I, EO, EI>,
+) {
+  return async (...params: Parameters<typeof f>) => {
+    const result = await f(...params);
+    if (result.isErr()) throw new Error(result.error.message);
+    return result.value;
+  };
+}