fix: remove assert package reference

packages/eslint-scope/lib/index.js

@@ -46,14 +46,13 @@
  * @module escope
  */
 
-import assert from "node:assert";
-
 import ScopeManager from "./scope-manager.js";
 import Referencer from "./referencer.js";
 import Reference from "./reference.js";
 import Variable from "./variable.js";
-
 import eslintScopeVersion from "./version.js";
+import { assert } from "./util/assert.js";
+
 
 /**
  * Set the default options

packages/eslint-scope/lib/referencer.js

@@ -28,7 +28,7 @@ import Reference from "./reference.js";
 import Variable from "./variable.js";
 import PatternVisitor from "./pattern-visitor.js";
 import { Definition, ParameterDefinition } from "./definition.js";
-import assert from "node:assert";
+import { assert } from "./util/assert.js";
 
 const { Syntax } = estraverse;
 

packages/eslint-scope/lib/scope-manager.js

@@ -36,7 +36,7 @@ import {
     SwitchScope,
     WithScope
 } from "./scope.js";
-import assert from "node:assert";
+import { assert } from "./util/assert.js";
 
 /**
  * @constructor ScopeManager

packages/eslint-scope/lib/scope.js

@@ -27,7 +27,7 @@ import estraverse from "estraverse";
 import Reference from "./reference.js";
 import Variable from "./variable.js";
 import { Definition } from "./definition.js";
-import assert from "node:assert";
+import { assert } from "./util/assert.js";
 
 const { Syntax } = estraverse;
 

packages/eslint-scope/lib/util/assert.js

@@ -0,0 +1,18 @@
+/**
+ * @fileoverview This file provides a utility function `assert` that checks whether a given condition is true
+ * and throws an error with a specified message if the condition is false.
+ * @author Amaresh S M
+ */
+
+/**
+ * Asserts that a condition is true. If the condition is false, an error is thrown with the provided message.
+ * @param {boolean} condition The condition that is being asserted. If `false`, an error will be thrown.
+ * @param {string} [message="Assertion failed."] The error message that will be thrown if the condition is false.
+ * @returns {void}
+ * @throws {Error} Throws an error if the condition is not met.
+ */
+export function assert(condition, message = "Assertion failed.") {
+    if (!condition) {
+        throw new Error(message);
+    }
+}

packages/eslint-scope/rollup.config.js

@@ -1,6 +1,6 @@
 export default {
     input: "./lib/index.js",
-    external: ["assert", "estraverse", "esrecurse"],
+    external: ["estraverse", "esrecurse"],
     treeshake: false,
     output: {
         format: "cjs",