ESLint v9 & Prettier v4

eslint.config.js

@@ -0,0 +1,3 @@
+import configs from '@run-z/eslint-config';
+
+export default configs;

package.json

@@ -27,20 +27,16 @@
   "sideEffects": false,
   "devDependencies": {
     "@jest/globals": "^29.7.0",
-    "@run-z/eslint-config": "^4.2.0",
+    "@run-z/eslint-config": "^5.0.0",
+    "@run-z/prettier-config": "^3.0.0",
     "@run-z/project-config": "^0.20.4",
     "@swc/core": "^1.7.26",
     "@swc/jest": "^0.2.36",
-    "@typescript-eslint/eslint-plugin": "^7.18.0",
-    "@typescript-eslint/parser": "^7.18.0",
-    "eslint": "^8.57.1",
-    "eslint-plugin-jest": "^28.8.3",
+    "eslint": "^9.12.0",
     "gh-pages": "^6.1.1",
     "jest": "^29.7.0",
     "jest-junit": "^16.0.0",
-    "jest-mock": "^29.7.0",
-    "prettier": "^2.8.8",
-    "prettier-eslint-cli": "^7.1.0",
+    "prettier": "^3.3.3",
     "rollup": "^4.24.0",
     "run-z": "2.1.0-bootstrap",
     "ts-jest": "^29.2.5",
@@ -56,7 +52,7 @@
     "clean": "run-z +z --then clean-z",
     "doc": "run-z +z --then typedoc",
     "doc:publish": "run-z doc --then gh-pages --dist target/typedoc --dotfiles",
-    "format": "run-z +z --then prettier-eslint --write --include-dot-files \"src/**/*.*\" \"*.{js,cjs,json,md}\"",
+    "format": "run-z +z --then prettier --write \"src/**/*.*\" \"*.{js,cjs,json,md}\"",
     "lint": "run-z +z --then eslint .",
     "test": "run-z +z env:NODE_OPTIONS=\"--experimental-vm-modules --no-warnings\" --then test-z",
     "z": "run-z +cmd:build-z,+cmd:typedoc,+cmd:eslint,+cmd:test-z"

prettier.config.js

@@ -0,0 +1,3 @@
+import config from '@run-z/prettier-config';
+
+export default config;

src/loggable/loggable.ts

@@ -46,7 +46,7 @@ export interface Loggable<TTarget extends DueLog.Target = DueLog.Target> {
  */
 export function isLoggable(value: unknown): value is Loggable {
   return (
-    ((typeof value === 'object' && !!value) || typeof value === 'function')
-    && typeof (value as Partial<Loggable>).toLog === 'function'
+    ((typeof value === 'object' && !!value) || typeof value === 'function') &&
+    typeof (value as Partial<Loggable>).toLog === 'function'
   );
 }

src/loggers/console-logger.spec.ts

@@ -1,10 +1,9 @@
 import { afterEach, beforeEach, describe, expect, it, jest } from '@jest/globals';
-import { Mock } from 'jest-mock';
 import { Loggable } from '../loggable/mod.js';
 import { consoleLogger } from './console-logger.js';
 
 describe('consoleLogger', () => {
-  let logSpy: Mock<(...args: unknown[]) => void>;
+  let logSpy: jest.Mock<(...args: unknown[]) => void>;
 
   afterEach(() => {
     logSpy.mockRestore();

src/loggers/console-logger.ts

@@ -2,7 +2,8 @@ import { HeadlessLogger } from '../headless-logger.js';
 import { processingLogger } from './processing-logger.js';
 
 const consoleLogger$log =
-  (log: (...args: unknown[]) => void) => (...args: unknown[]) => {
+  (log: (...args: unknown[]) => void) =>
+  (...args: unknown[]) => {
     if (typeof args[0] === 'string') {
       // Avoid formatting.
       log('%s', ...args);

src/loggers/processing-logger.ts

@@ -12,7 +12,8 @@ import { Logger } from '../logger.js';
  */
 export function processingLogger(logger: Logger, { on }: { on?: string } = {}): HeadlessLogger {
   const logMethod =
-    (log: (...args: unknown[]) => void): ((...args: unknown[]) => void) => (...args) => {
+    (log: (...args: unknown[]) => void): ((...args: unknown[]) => void) =>
+    (...args) => {
       const { line } = dueLog({ on, line: args });
 
       log(...line);