implement `node:events` in javascript (#2604)

* initial event emitter reimplementation

* implement most of node:events. tests passing

* work on emitter

* fix importing node:events

* work on event emitter tests

* event work

* event work

* event stuff and experimenting with a lazy createHash

* cleanup crypto stuff i had on this branch

* finish event stuff up

* fix error monitor

* validate listeners are functions

* changes requested

3 files changed, 0 insertions, 108 deletions

diff --git a/bench/snippets/bun.lockb b/bench/snippets/bun.lockb
deleted file mode 100755
index 3acb6d075..000000000
--- a/bench/snippets/bun.lockb
+++ /dev/null
diff --git a/bench/snippets/emitter.mjs b/bench/snippets/emitter.mjs
deleted file mode 100644
index f708cf77a..000000000
--- a/bench/snippets/emitter.mjs
+++ /dev/null
@@ -1,101 +0,0 @@
-// **so this file can run in node**
-import { createRequire } from "node:module";
-const require = createRequire(import.meta.url);
-// --
-
-const EventEmitterNative = require("node:events").EventEmitter;
-const TypedEmitter = require("tiny-typed-emitter").TypedEmitter;
-const EventEmitter3 = require("eventemitter3").EventEmitter;
-import { bench, run } from "../../node_modules/mitata/src/cli.mjs";
-const event = new Event("hello");
-var id = 0;
-for (let [EventEmitter, className] of [
-  [EventEmitterNative, "EventEmitter"],
-  [TypedEmitter, "TypedEmitter"],
-  [EventEmitter3, "EventEmitter3"],
-]) {
-  const emitter = new EventEmitter();
-
-  emitter.on("hello", event => {
-    event.preventDefault();
-  });
-
-  bench(`${className}.emit`, () => {
-    emitter.emit("hello", {
-      preventDefault() {
-        id++;
-      },
-    });
-  });
-
-  bench(`${className}.on x 10_000 (handler)`, () => {
-    var cb = event => {
-      event.preventDefault();
-    };
-    emitter.on("hey", cb);
-    var called = false;
-    for (let i = 0; i < 10_000; i++)
-      emitter.emit("hey", {
-        preventDefault() {
-          id++;
-          called = true;
-        },
-      });
-    emitter.off("hey", cb);
-
-    if (!called) throw new Error("not called");
-  });
-
-  if (EventEmitter !== EventEmitter3) {
-    var monkey = Object.assign({}, EventEmitter.prototype);
-    monkey.on("hello", event => {
-      event.preventDefault();
-    });
-
-    bench(`[monkey] ${className}.emit`, () => {
-      var called = false;
-      monkey.emit("hello", {
-        preventDefault() {
-          id++;
-          called = true;
-        },
-      });
-
-      if (!called) {
-        throw new Error("monkey failed");
-      }
-    });
-
-    bench(`[monkey] ${className}.on x 10_000 (handler)`, () => {
-      var cb = () => {
-        event.preventDefault();
-      };
-      monkey.on("hey", cb);
-      for (let i = 0; i < 10_000; i++)
-        monkey.emit("hey", {
-          preventDefault() {
-            id++;
-          },
-        });
-      monkey.off("hey", cb);
-    });
-  }
-}
-
-var target = new EventTarget();
-target.addEventListener("hello", event => {});
-bench("EventTarget.dispatch", () => {
-  target.dispatchEvent(event);
-});
-
-var hey = new Event("hey");
-
-bench("EventTarget.on x 10_000 (handler)", () => {
-  var handler = event => {};
-  target.addEventListener("hey", handler);
-
-  for (let i = 0; i < 10_000; i++) target.dispatchEvent(hey);
-  target.removeEventListener("hey", handler);
-});
-
-await run();
diff --git a/bench/snippets/package.json b/bench/snippets/package.json
deleted file mode 100644
index 6244001a8..000000000
--- a/bench/snippets/package.json
+++ /dev/null
@@ -1,7 +0,0 @@
-{
-  "dependencies": {
-    "eventemitter3": "^5.0.0",
-    "tiny-typed-emitter": "latest"
-  },
-  "prettier": "../../.prettierrc.cjs"
-}