use node test runner

package.json

@@ -34,7 +34,7 @@
 	],
 	"scripts": {
 		"lint": "eslint . --ext .js,.mjs --cache",
-		"test": "npm run lint && ava -v"
+		"test": "npm run lint && node --test"
 	},
 	"eslintConfig": {
 		"extends": ".",
@@ -64,7 +64,6 @@
 		"eslint-plugin-unicorn": "^47.0.0"
 	},
 	"devDependencies": {
-		"ava": "^5.2.0",
 		"eslint": "^8.40.0",
 		"typescript": "^5.0.4"
 	},

test/default.test.mjs

@@ -1,25 +1,27 @@
-import test from "ava";
+import test from "node:test";
+import assert from "node:assert";
+
 import { ESLint } from "eslint";
 
 import config from "../index.js";
 
 const isObject = (value) => value && typeof value === "object" && value.constructor === Object;
 
-test("load config in eslint to validate all rule syntax is correct", async (t) => {
+test("load config in eslint to validate all rule syntax is correct", async () => {
 	const linter = new ESLint();
 	const code = `
 	const foo = 1;
 	const bar = () => {};
 	bar(foo);
 	`.replaceAll("\t", "");
 	const [{ errorCount }] = await linter.lintText(code);
-	t.is(errorCount, 0);
+	assert.equal(errorCount, 0);
 });
 
-test("test basic properties of config", (t) => {
+test("test basic properties of config", () => {
 	const { env, plugins, rules } = config;
 
-	t.true(isObject(env));
-	t.true(Array.isArray(plugins));
-	t.true(isObject(rules));
+	assert.ok(isObject(env));
+	assert.ok(Array.isArray(plugins));
+	assert.ok(isObject(rules));
 });

test/react-typescript.test.mjs

@@ -1,11 +1,13 @@
-import test from "ava";
+import test from "node:test";
+import assert from "node:assert";
+
 import { ESLint } from "eslint";
 
 import config from "../react-typescript.js";
 
 const isObject = (value) => value && typeof value === "object" && value.constructor === Object;
 
-test("load config in eslint to validate all rule syntax is correct", async (t) => {
+test("load config in eslint to validate all rule syntax is correct", async () => {
 	const linter = new ESLint({ overrideConfigFile: "react-typescript.js", overrideConfig: { rules: { "import/no-unresolved": "off" } } });
 	const code = `
 	import ReactDOM from "react-dom";
@@ -14,12 +16,12 @@ test("load config in eslint to validate all rule syntax is correct", async (t) =
 	ReactDOM.render(element, document.querySelector("#root"));
 	`.replaceAll("\t", "");
 	const [{ errorCount }] = await linter.lintText(code);
-	t.is(errorCount, 1);
+	assert.equal(errorCount, 1);
 });
 
-test("test basic properties of config", (t) => {
+test("test basic properties of config", () => {
 	const { plugins, rules } = config;
 
-	t.true(Array.isArray(plugins));
-	t.true(isObject(rules));
+	assert.ok(Array.isArray(plugins));
+	assert.ok(isObject(rules));
 });

test/react.test.mjs

@@ -1,11 +1,13 @@
-import test from "ava";
+import test from "node:test";
+import assert from "node:assert";
+
 import { ESLint } from "eslint";
 
 import config from "../react.js";
 
 const isObject = (value) => value && typeof value === "object" && value.constructor === Object;
 
-test("load config in eslint to validate all rule syntax is correct", async (t) => {
+test("load config in eslint to validate all rule syntax is correct", async () => {
 	const linter = new ESLint({ overrideConfigFile: "react.js", overrideConfig: { rules: { "import/no-unresolved": "off" } } });
 	const code = `
 	import ReactDOM from "react-dom";
@@ -14,13 +16,13 @@ test("load config in eslint to validate all rule syntax is correct", async (t) =
 	ReactDOM.render(element, document.querySelector("#root"));
 	`.replaceAll("\t", "");
 	const [{ errorCount }] = await linter.lintText(code);
-	t.is(errorCount, 0);
+	assert.equal(errorCount, 0);
 });
 
-test("test basic properties of config", (t) => {
+test("test basic properties of config", () => {
 	const { env, plugins, rules } = config;
 
-	t.true(isObject(env));
-	t.true(Array.isArray(plugins));
-	t.true(isObject(rules));
+	assert.ok(isObject(env));
+	assert.ok(Array.isArray(plugins));
+	assert.ok(isObject(rules));
 });

test/typescript.test.mjs

@@ -1,24 +1,26 @@
-import test from "ava";
+import test from "node:test";
+import assert from "node:assert";
+
 import { ESLint } from "eslint";
 
 import config from "../typescript.js";
 
 const isObject = (value) => value && typeof value === "object" && value.constructor === Object;
 
-test("load config in eslint to validate all rule syntax is correct", async (t) => {
+test("load config in eslint to validate all rule syntax is correct", async () => {
 	const linter = new ESLint({ overrideConfigFile: "typescript.js" });
 	const code = `
 	const foo = 1;
 	const bar = () => {};
 	bar(foo);
 	`.replaceAll("\t", "");
 	const [{ errorCount }] = await linter.lintText(code);
-	t.is(errorCount, 1);
+	assert.equal(errorCount, 1);
 });
 
-test("test basic properties of config", (t) => {
+test("test basic properties of config", () => {
 	const { plugins, rules } = config;
 
-	t.true(Array.isArray(plugins));
-	t.true(isObject(rules));
+	assert.ok(Array.isArray(plugins));
+	assert.ok(isObject(rules));
 });