.xo-config.cjs

@@ -29,6 +29,7 @@ module.exports = {
 		'import/newline-after-import': 'error',
 		'unicorn/require-post-message-target-origin': 'off',
 		'unicorn/prefer-event-target': 'off',
+		'unicorn/prevent-abbreviations': 'off',
 	},
 	overrides: [
 		{

examples/macros/test.js

@@ -1,6 +1,6 @@
 const test = require('ava');
 
-const {sum} = require('.');
+const {sum} = require('./index.js');
 
 function macro(t, a, b, expected) {
 	t.is(sum(a, b), expected);

examples/timeouts/test.js

@@ -1,7 +1,7 @@
 'use strict';
 const test = require('ava');
 
-const {fetchUsers, fetchPosts, createPost} = require('.');
+const {fetchUsers, fetchPosts, createPost} = require('./index.js');
 
 test('retrieve users', async t => {
 	t.timeout(100);

lib/assert.js

@@ -417,6 +417,7 @@ export class Assertions {
 			}
 
 			let retval;
+			let threw = false;
 			let actual = null;
 			try {
 				retval = fn();
@@ -429,10 +430,11 @@ export class Assertions {
 					}));
 				}
 			} catch (error) {
+				threw = true;
 				actual = error;
 			}
 
-			if (!actual) {
+			if (!threw) {
 				throw fail(new AssertionError(message, {
 					assertion: 't.throws()',
 					formattedDetails: [formatWithLabel('Function returned:', retval)],

lib/cli.js

@@ -381,7 +381,9 @@ export default async function loadCli() { // eslint-disable-line complexity
 
 	let globs;
 	try {
-		globs = normalizeGlobs({files: conf.files, ignoredByWatcher: conf.watchMode?.ignoreChanges, extensions, providers});
+		globs = normalizeGlobs({
+			files: conf.files, ignoredByWatcher: conf.watchMode?.ignoreChanges, extensions, providers,
+		});
 	} catch (error) {
 		exit(error.message);
 	}

lib/create-chain.js

@@ -11,9 +11,7 @@ function startChain(name, call, defaults) {
 }
 
 function extendChain(previous, name, flag) {
-	if (!flag) {
-		flag = name;
-	}
+	flag ||= name;
 
 	const fn = (...args) => {
 		callWithFlag(previous, flag, args);
@@ -89,7 +87,9 @@ export default function createChain(fn, defaults, meta) {
 	// "todo" tests cannot be chained. Allow todo tests to be flagged as needing
 	// to be serial.
 	root.todo = startChain('test.todo', fn, {...defaults, type: 'test', todo: true});
-	root.serial.todo = startChain('test.serial.todo', fn, {...defaults, serial: true, type: 'test', todo: true});
+	root.serial.todo = startChain('test.serial.todo', fn, {
+		...defaults, serial: true, type: 'test', todo: true,
+	});
 
 	root.macro = options => {
 		if (typeof options === 'function') {

lib/eslint-plugin-helper-worker.js

@@ -48,7 +48,9 @@ const resolveGlobs = async (projectDir, overrideExtensions, overrideFiles) => {
 	}
 
 	const {conf, providers} = await configCache.get(projectDir);
-	return buildGlobs({conf, providers, projectDir, overrideExtensions, overrideFiles});
+	return buildGlobs({
+		conf, providers, projectDir, overrideExtensions, overrideFiles,
+	});
 };
 
 const data = new Uint8Array(workerData.dataBuffer);

lib/load-config.js

@@ -35,7 +35,7 @@ const loadConfigFile = async ({projectDir, configFile}) => {
 
 function resolveConfigFile(configFile) {
 	if (configFile) {
-		configFile = path.resolve(configFile); // Relative to CWD
+		return path.resolve(configFile); // Relative to CWD
 	}
 
 	return configFile;
@@ -153,7 +153,9 @@ export async function loadConfig({configFile, resolveFrom = process.cwd(), defau
 		}
 	}
 
-	const config = {...defaults, nonSemVerExperiments: {}, ...fileConf, ...packageConf, projectDir, configFile};
+	const config = {
+		...defaults, nonSemVerExperiments: {}, ...fileConf, ...packageConf, projectDir, configFile,
+	};
 
 	const {nonSemVerExperiments: experiments} = config;
 	if (!isPlainObject(experiments)) {

lib/plugin-support/shared-worker-loader.js

@@ -238,7 +238,7 @@ try {
 		},
 	});
 } catch (error) {
-	fatal = fatal ?? error;
+	fatal ??= error;
 } finally {
 	if (fatal !== undefined) {
 		process.nextTick(() => {

lib/snapshot-manager.js

@@ -220,7 +220,9 @@ export function extractCompressedSnapshot(buffer, snapPath) {
 	const compressedOffset = sha256sumOffset + SHA_256_HASH_LENGTH;
 	const compressed = buffer.slice(compressedOffset);
 
-	return {version, compressed, sha256sumOffset, compressedOffset};
+	return {
+		version, compressed, sha256sumOffset, compressedOffset,
+	};
 }
 
 function decodeSnapshots(buffer, snapPath) {
@@ -290,11 +292,7 @@ class Manager {
 	}
 
 	recordSerialized({data, label, belongsTo, index}) {
-		let block = this.newBlocksByTitle.get(belongsTo);
-		if (!block) {
-			block = {snapshots: []};
-		}
-
+		const block = this.newBlocksByTitle.get(belongsTo) ?? {snapshots: []};
 		const {snapshots} = block;
 
 		if (index > snapshots.length) {
@@ -319,7 +317,9 @@ class Manager {
 
 		return () => { // Must be called in order!
 			this.hasChanges = true;
-			this.recordSerialized({data, label, belongsTo, index});
+			this.recordSerialized({
+				data, label, belongsTo, index,
+			});
 		};
 	}
 
@@ -338,11 +338,7 @@ class Manager {
 
 	skipSnapshot({belongsTo, index, deferRecording}) {
 		const oldBlock = this.oldBlocksByTitle.get(belongsTo);
-		let snapshot = oldBlock?.snapshots[index];
-
-		if (!snapshot) {
-			snapshot = {};
-		}
+		const snapshot = oldBlock?.snapshots[index] ?? {};
 
 		// Retain the label from the old snapshot, so as not to assume that the
 		// snapshot.skip() arguments are well-formed.

lib/test.js

@@ -2,7 +2,9 @@ import concordance from 'concordance';
 import isPromise from 'is-promise';
 import plur from 'plur';
 
-import {AssertionError, Assertions, checkAssertionMessage, getAssertionStack} from './assert.js';
+import {
+	AssertionError, Assertions, checkAssertionMessage, getAssertionStack,
+} from './assert.js';
 import concordanceOptions from './concordance-options.js';
 import nowAndTimers from './now-and-timers.cjs';
 import parseTestArgs from './parse-test-args.js';
@@ -277,7 +279,9 @@ export default class Test {
 
 			const {deferredSnapshotRecordings, error, logs, passed, assertCount, snapshotCount} = await attempt.run();
 			const errors = error ? [error] : [];
-			return {assertCount, deferredSnapshotRecordings, errors, logs, passed, snapshotCount, startingSnapshotCount};
+			return {
+				assertCount, deferredSnapshotRecordings, errors, logs, passed, snapshotCount, startingSnapshotCount,
+			};
 		};
 
 		this.assertCount = 0;

lib/watcher.js

@@ -7,7 +7,9 @@ import {nodeFileTrace} from '@vercel/nft';
 import createDebug from 'debug';
 
 import {chalk} from './chalk.js';
-import {applyTestFileFilter, classify, buildIgnoreMatcher, findTests} from './globs.js';
+import {
+	applyTestFileFilter, classify, buildIgnoreMatcher, findTests,
+} from './globs.js';
 import {levels as providerLevels} from './provider-manager.js';
 
 const debug = createDebug('ava:watcher');
@@ -34,7 +36,9 @@ export function available(projectDir) {
 
 export async function start({api, filter, globs, projectDir, providers, reporter, stdin, signal}) {
 	providers = providers.filter(({level}) => level >= providerLevels.ava6);
-	for await (const {files, ...runtimeOptions} of plan({api, filter, globs, projectDir, providers, stdin, abortSignal: signal})) {
+	for await (const {files, ...runtimeOptions} of plan({
+		api, filter, globs, projectDir, providers, stdin, abortSignal: signal,
+	})) {
 		await api.run({files, filter, runtimeOptions});
 		reporter.endRun();
 		reporter.lineWriter.writeLine(END_MESSAGE);
@@ -62,7 +66,9 @@ async function * plan({api, filter, globs, projectDir, providers, stdin, abortSi
 	const changeFromPath = path => {
 		const {isTest} = classify(path, cwdAndGlobs);
 		const stats = fileStats(path);
-		return {path, isTest, exists: stats !== undefined, isFile: stats?.isFile() ?? false};
+		return {
+			path, isTest, exists: stats !== undefined, isFile: stats?.isFile() ?? false,
+		};
 	};
 
 	// Begin a file trace in the background.