chore: migrate to flat configs

.github/workflows/ci.yml

@@ -14,7 +14,7 @@ jobs:
     uses: mscharley/.github/.github/workflows/node-ci.yml@main
     strategy:
       matrix:
-        node-version: [16.x, 18.x, 20.x, 22.x, current]
+        node-version: [18.x, 20.x, 22.x, current]
         # See supported Node.js release schedule at https://nodejs.org/en/about/releases/
     with:
       node-version: ${{ matrix.node-version }}

eslint.config.js

@@ -0,0 +1,16 @@
+import { configs } from "@mscharley/eslint-config";
+
+export default [
+	...configs.recommended,
+	...configs.node,
+	{
+		ignores: [
+			'node_modules',
+			'dist',
+			'coverage',
+			'reports/mutation',
+			'eslint.config.js',
+			'generic-type-guard.*',
+		],
+	},
+];

package.json

@@ -34,9 +34,9 @@
 		"prepack": "npm run clean && npm run build",
 		"test": "npm run lint && npm run mocha && git diff --name-only --exit-code",
 		"test-watch": "nodemon -e ts,json --exec npm run test",
-		"lint": "eslint . --ext .js,.jsx,.ts,.tsx",
-		"lint-fix": "eslint . --fix --ext .js,.jsx,.ts,.tsx",
-		"lint-watch": "nodemon -e ts,json --exec eslint . --ext .js,.jsx,.ts,.tsx",
+		"lint": "eslint",
+		"lint-fix": "eslint",
+		"lint-watch": "nodemon -e ts,json --exec eslint",
 		"mocha": "c8 mocha 'src/**/*.spec.ts'",
 		"mocha-watch": "nodemon -e ts,json --exec npm run mocha 'src/**/*.spec.ts'",
 		"stryker": "stryker run",

src/primitives.spec.ts

@@ -151,7 +151,7 @@ describe('Primitives', function (this: Mocha.Suite) {
 	});
 
 	it('narrowValue', () => {
-		// eslint-disable-next-line deprecation/deprecation
+		// eslint-disable-next-line @typescript-eslint/no-deprecated
 		const narrow = p.narrowValue<unknown, string, 'foo'>(p.isString, p.isSingletonString('foo'));
 
 		expect(narrow('foo')).to.equal(true);
@@ -266,9 +266,9 @@ describe('Primitives', function (this: Mocha.Suite) {
 	});
 
 	it('never', () => {
-		// eslint-disable-next-line @typescript-eslint/ban-types
+		// eslint-disable-next-line @typescript-eslint/no-unsafe-function-type
 		const fn: Function = p.isNever;
-		// eslint-disable-next-line @typescript-eslint/no-unsafe-return
+		// eslint-disable-next-line @typescript-eslint/no-unsafe-return, @typescript-eslint/no-unsafe-call
 		expect(() => fn('Oops!')).to.throw('Unexpected value when expecting never: Oops!');
 	});
 });

src/primitives.ts

@@ -301,5 +301,6 @@ export const isUnknown = isAny;
  * @public
  */
 export const isNever = (n: never): never => {
+	// eslint-disable-next-line @typescript-eslint/restrict-template-expressions
 	throw Error(`Unexpected value when expecting never: ${n}`);
 };