Revert "feat: async context" (#24856)

Reverts denoland/deno#24402

deno_web can't depend on code in runtime

1 files changed, 0 insertions, 45 deletions

diff --git a/runtime/js/01_async_context.js b/runtime/js/01_async_context.js
deleted file mode 100644
index 9c0236fbe..000000000
--- a/runtime/js/01_async_context.js
+++ /dev/null
@@ -1,45 +0,0 @@
-// Copyright 2018-2024 the Deno authors. All rights reserved. MIT license.
-
-import { primordials } from "ext:core/mod.js";
-import { op_get_extras_binding_object } from "ext:core/ops";
-
-const {
-  SafeWeakMap,
-} = primordials;
-
-const {
-  getContinuationPreservedEmbedderData,
-  setContinuationPreservedEmbedderData,
-} = op_get_extras_binding_object();
-
-let counter = 0;
-
-export const getAsyncContext = getContinuationPreservedEmbedderData;
-export const setAsyncContext = setContinuationPreservedEmbedderData;
-
-export class AsyncVariable {
-  #id = counter++;
-  #data = new SafeWeakMap();
-
-  enter(value) {
-    const previousContextMapping = getAsyncContext();
-    const entry = { id: this.#id };
-    const asyncContextMapping = {
-      __proto__: null,
-      ...previousContextMapping,
-      [this.#id]: entry,
-    };
-    this.#data.set(entry, value);
-    setAsyncContext(asyncContextMapping);
-    return previousContextMapping;
-  }
-
-  get() {
-    const current = getAsyncContext();
-    const entry = current?.[this.#id];
-    if (entry) {
-      return this.#data.get(entry);
-    }
-    return undefined;
-  }
-}