From 1c3191ad95f09a49e5037750305a14be25953b7f Mon Sep 17 00:00:00 2001
From: uri <uri.valevski@gmail.com>
Date: Sat, 6 Apr 2024 18:00:06 +0300
Subject: [PATCH] factor out context

---
 src/context.test.ts | 36 ------------------------------------
 src/context.ts      | 21 ---------------------
 2 files changed, 57 deletions(-)
 delete mode 100644 src/context.test.ts
 delete mode 100644 src/context.ts

diff --git a/src/context.test.ts b/src/context.test.ts
deleted file mode 100644
index 2e06aba..0000000
--- a/src/context.test.ts
+++ /dev/null
@@ -1,36 +0,0 @@
-import { assertEquals } from "std-assert";
-import { context } from "./context.ts";
-
-Deno.test("inject and access", async () => {
-  const { inject, access } = context((): string => "nothing injected");
-  const withString = inject(() => "injected");
-  const f = () => Promise.resolve(access());
-  assertEquals(await withString(f)(), "injected");
-  assertEquals(await f(), "nothing injected");
-});
-
-Deno.test("override", async () => {
-  const { inject, access } = context((): string => "nothing injected");
-  const withStringX = inject(() => "X");
-  const withStringY = inject(() => "Y");
-  const f = () => Promise.resolve(access());
-  assertEquals(await withStringX(f)(), "X");
-  assertEquals(await withStringY(withStringX(f))(), "X");
-  assertEquals(await withStringX(withStringY(f))(), "Y");
-  assertEquals(await f(), "nothing injected");
-});
-
-Deno.test("use context within context", async () => {
-  const { inject: injectA, access: accessA } = context((): string =>
-    "nothing injected A"
-  );
-  const { inject: injectB, access: accessB } = context((): string =>
-    "nothing injected B"
-  );
-  const withA = injectA(() => "A");
-  const withAB = injectB(() => accessA() + "B");
-  const f = () => Promise.resolve(accessB());
-  assertEquals(await withA(f)(), "nothing injected B");
-  assertEquals(await withA(withAB(f))(), "AB");
-  assertEquals(await f(), "nothing injected B");
-});
diff --git a/src/context.ts b/src/context.ts
deleted file mode 100644
index 9b73e9d..0000000
--- a/src/context.ts
+++ /dev/null
@@ -1,21 +0,0 @@
-import { AsyncLocalStorage } from "node:async_hooks";
-import { letIn } from "./operator.ts";
-import { Func } from "./typing.ts";
-
-const withContext = <T>(storage: AsyncLocalStorage<T>, context: T) =>
-<F extends Func>(f: F): F =>
-// @ts-expect-error cannot infer
-(...xs) =>
-  new Promise((resolve, reject) =>
-    storage.run(context, () => {
-      f(...xs).then(resolve).catch(reject);
-    })
-  );
-
-export const context = <F extends Func>(fallbackFn: F) =>
-  letIn(new AsyncLocalStorage<F>(), (storage) => ({
-    inject: (fn: F) => withContext(storage, fn),
-    // Cannot be made point free because has to call `storage.getStore` contextually.
-    access: ((...xs: Parameters<F>) =>
-      (storage.getStore() ?? fallbackFn)(...xs)) as F,
-  }));