Upgrade dependencies

package.json

@@ -32,7 +32,7 @@
 	"dependencies": {
 		"deep-strict-equal": "^0.2.0",
 		"enhance-visitors": "^1.0.0",
-		"espree": "^6.1.2",
+		"espree": "^7.1.0",
 		"espurify": "^2.0.1",
 		"import-modules": "^2.0.0",
 		"micro-spelling-correcter": "^1.1.1",
@@ -42,19 +42,19 @@
 	"devDependencies": {
 		"ava": "^2.3.0",
 		"babel-eslint": "^10.0.2",
-		"chalk": "^2.4.2",
+		"chalk": "^4.1.0",
 		"del": "^5.0.0",
 		"eslint": "6.2.0",
-		"eslint-ava-rule-tester": "^3.0.0",
-		"eslint-plugin-eslint-plugin": "2.1.0",
-		"execa": "^2.0.4",
+		"eslint-ava-rule-tester": "^4.0.0",
+		"eslint-plugin-eslint-plugin": "^2.2.2",
+		"execa": "^4.0.2",
 		"js-combinatorics": "^0.5.4",
 		"listr": "^0.14.3",
-		"nyc": "^14.1.1",
+		"nyc": "^15.1.0",
 		"outdent": "^0.7.0",
-		"pify": "^4.0.1",
-		"tempy": "^0.3.0",
-		"xo": "^0.24.0"
+		"pify": "^5.0.0",
+		"tempy": "^0.5.0",
+		"xo": "^0.32.0"
 	},
 	"peerDependencies": {
 		"eslint": ">=6.2.0"

rules/hooks-order.js

@@ -88,6 +88,8 @@ const create = context => {
 
 	const sourceCode = context.getSourceCode();
 
+	// TODO: Remove `.reduce()` usage.
+	// eslint-disable-next-line unicorn/no-reduce
 	const selectors = checks.reduce((result, check) => {
 		result[check.selector] = visitIf([
 			ava.isInTestFile,
@@ -117,11 +119,11 @@ const create = context => {
 						const start = nodeEarlier.parent.range[1];
 						const end = node.parent.range[1];
 
-						let text = sourceCode.getText().substring(start, end);
+						let text = sourceCode.getText().slice(start, end);
 
 						// Preserve newline previously between hooks
 						if (source.length >= (start + 1) && source[start + 1] === '\n') {
-							text = text.substring(1) + '\n';
+							text = text.slice(1) + '\n';
 						}
 
 						// Preserve newline that was previously before hooks

rules/max-asserts.js

@@ -5,7 +5,7 @@ const createAvaRule = require('../create-ava-rule');
 
 const MAX_ASSERTIONS_DEFAULT = 5;
 
-const notAssertionMethods = ['plan', 'end'];
+const notAssertionMethods = new Set(['plan', 'end']);
 
 const create = context => {
 	const ava = createAvaRule();
@@ -28,7 +28,7 @@ const create = context => {
 
 			if (
 				callee.property &&
-				!notAssertionMethods.includes(callee.property.name) &&
+				!notAssertionMethods.has(callee.property.name) &&
 				util.getNameOfRootNodeObject(callee) === 't'
 			) {
 				const members = util.getMembers(callee).filter(name => name !== 'skip');

rules/no-duplicate-modifiers.js

@@ -29,8 +29,10 @@ const create = context => {
 				return;
 			}
 
-			testModifiers.reduce((prev, current) => {
-				if (prev.name === current.name) {
+			// TODO: Remove `.reduce()` usage.
+			// eslint-disable-next-line unicorn/no-reduce
+			testModifiers.reduce((previous, current) => {
+				if (previous.name === current.name) {
 					context.report({
 						node: current,
 						message: `Duplicate test modifier \`.${current.name}\`.`

rules/no-identical-title.js

@@ -7,7 +7,7 @@ const createAvaRule = require('../create-ava-rule');
 
 const purify = node => node && espurify(node);
 
-const isStaticTemplateLiteral = node => node.expressions.every(isStatic);
+const isStaticTemplateLiteral = node => node.expressions.every(expression => isStatic(expression));
 
 const isStatic = node => node.type === 'Literal' ||
 	(node.type === 'TemplateLiteral' && isStaticTemplateLiteral(node)) ||

rules/no-statement-after-end.js

@@ -27,7 +27,7 @@ const create = context => {
 
 		currentSegmentInfo = {
 			ended: false,
-			prev: segment.prevSegments.map(prevSegment => segmentInfoMap.get(prevSegment.id))
+			prev: segment.prevSegments.map(previousSegment => segmentInfoMap.get(previousSegment.id))
 		};
 
 		segmentInfoMap.set(segment.id, currentSegmentInfo);

rules/no-todo-implementation.js

@@ -11,7 +11,7 @@ const create = context => {
 			ava.isInTestFile,
 			ava.isTestNode
 		])(node => {
-			if (ava.hasTestModifier('todo') && node.arguments.some(util.isFunctionExpression)) {
+			if (ava.hasTestModifier('todo') && node.arguments.some(argument => util.isFunctionExpression(argument))) {
 				context.report({
 					node,
 					message: '`test.todo()` should not be passed an implementation function.'

rules/no-unknown-modifiers.js

@@ -3,7 +3,7 @@ const {visitIf} = require('enhance-visitors');
 const util = require('../util');
 const createAvaRule = require('../create-ava-rule');
 
-const modifiers = [
+const modifiers = new Set([
 	'after',
 	'afterEach',
 	'always',
@@ -15,10 +15,10 @@ const modifiers = [
 	'skip',
 	'todo',
 	'failing'
-];
+]);
 
 const unknownModifiers = node => util.getTestModifiers(node)
-	.filter(modifier => !modifiers.includes(modifier.name));
+	.filter(modifier => !modifiers.has(modifier.name));
 
 const create = context => {
 	const ava = createAvaRule();

rules/prefer-t-regex.js

@@ -6,12 +6,12 @@ const util = require('../util');
 const create = context => {
 	const ava = createAvaRule();
 
-	const booleanTests = [
+	const booleanTests = new Set([
 		'true',
 		'false',
 		'truthy',
 		'falsy'
-	];
+	]);
 
 	const findReference = name => {
 		const reference = context.getScope().references.find(reference => reference.identifier.name === name);
@@ -26,7 +26,7 @@ const create = context => {
 		])(node => {
 			// Call a boolean assertion, for example, `t.true`, `t.false`, …
 			const isBooleanAssertion = node.callee.type === 'MemberExpression' &&
-				booleanTests.includes(node.callee.property.name) &&
+				booleanTests.has(node.callee.property.name) &&
 				util.getNameOfRootNodeObject(node.callee) === 't';
 
 			if (!isBooleanAssertion) {

rules/use-true-false.js

@@ -6,7 +6,7 @@ const deepStrictEqual = require('deep-strict-equal');
 const util = require('../util');
 const createAvaRule = require('../create-ava-rule');
 
-const booleanBinaryOperators = [
+const booleanBinaryOperators = new Set([
 	'==',
 	'===',
 	'!=',
@@ -15,7 +15,7 @@ const booleanBinaryOperators = [
 	'<=',
 	'>',
 	'>='
-];
+]);
 
 const knownBooleanSignatures = [
 	'isFinite()',
@@ -62,7 +62,7 @@ const create = context => {
 				const argument = node.arguments[0];
 
 				if (argument &&
-					((argument.type === 'BinaryExpression' && booleanBinaryOperators.includes(argument.operator)) ||
+					((argument.type === 'BinaryExpression' && booleanBinaryOperators.has(argument.operator)) ||
 					(argument.type === 'UnaryExpression' && argument.operator === '!') ||
 					(argument.type === 'Literal' && argument.value === Boolean(argument.value)) ||
 					(matchesKnownBooleanExpression(argument)))

test/no-statement-after-end.js

@@ -12,13 +12,13 @@ const errors = [{ruleId: 'no-statement-after-end'}];
 const header = 'const test = require(\'ava\');\n';
 
 function cbTest(contents, prependHeader) {
-	let ret = `test.cb(t => { ${contents} });`;
+	let returnValue = `test.cb(t => { ${contents} });`;
 
 	if (prependHeader !== false) {
-		ret = header + ret;
+		returnValue = header + returnValue;
 	}
 
-	return ret;
+	return returnValue;
 }
 
 ruleTester.run('no-statement-after-end', rule, {

test/package.js

@@ -48,17 +48,17 @@ test('Every rule is defined in readme.md usage and list of rules in alphabetical
 	const readme = await pify(fs.readFile)('readme.md', 'utf8');
 	let usageRules;
 	try {
-		const usageRulesMatch = /## Usage.*?"rules": (\{.*?\})/ms.exec(readme);
+		const usageRulesMatch = /## Usage.*?"rules": ({.*?})/ms.exec(readme);
 		t.truthy(usageRulesMatch, 'List of rules should be defined in readme.md ## Usage');
 		usageRules = JSON.parse(usageRulesMatch[1]);
-	} catch (_) {}
+	} catch {}
 
 	t.truthy(usageRules, 'List of rules should be defined in readme.md ## Usage and be valid JSON');
 
 	const rulesMatch = /## Rules(.*?)## Recommended config/ms.exec(readme);
 	t.truthy(rulesMatch, 'List of rules should be defined in readme.md in ## Rules before ## Recommended config');
 	const rulesText = rulesMatch[1];
-	const re = /- \[(.*?)\]\((.*?)\) - (.*)\n/gm;
+	const re = /- \[(.*?)]\((.*?)\) - (.*)\n/gm;
 	const rules = [];
 	let match;
 	do {

util.js

@@ -19,10 +19,10 @@ exports.loadAvaHelper = (filename, overrides) => {
 	return avaHelper.load(rootDir, overrides);
 };
 
-const functionExpressions = [
+const functionExpressions = new Set([
 	'FunctionExpression',
 	'ArrowFunctionExpression'
-];
+]);
 
 exports.getRootNode = node => {
 	if (node.object.type === 'MemberExpression') {
@@ -40,7 +40,7 @@ exports.isPropertyUnderContext = node => {
 	return exports.getRootNode(node).property.name === 'context';
 };
 
-exports.isFunctionExpression = node => node && functionExpressions.includes(node.type);
+exports.isFunctionExpression = node => node && functionExpressions.has(node.type);
 
 function getTestModifiers(node) {
 	if (node.type === 'CallExpression') {
@@ -60,11 +60,11 @@ exports.getTestModifier = (node, mod) => {
 	return getTestModifiers(node).find(property => property.name === mod);
 };
 
-exports.removeTestModifier = params => {
-	const modifier = params.modifier.trim();
-	const range = exports.getTestModifier(params.node, modifier).range.slice();
+exports.removeTestModifier = parameters => {
+	const modifier = parameters.modifier.trim();
+	const range = exports.getTestModifier(parameters.node, modifier).range.slice();
 	const replacementRegExp = new RegExp(`\\.|${modifier}`, 'g');
-	const source = params.context.getSourceCode().getText();
+	const source = parameters.context.getSourceCode().getText();
 	let dotPosition = range[0] - 1;
 	while (source.charAt(dotPosition) !== '.') {
 		dotPosition -= 1;
@@ -97,7 +97,7 @@ const getDocsUrl = (filename, commitHash) => {
 
 exports.getDocsUrl = getDocsUrl;
 
-const assertionMethodsNumArguments = new Map([
+const assertionMethodsNumberArguments = new Map([
 	['assert', 1],
 	['deepEqual', 2],
 	['fail', 0],
@@ -120,8 +120,8 @@ const assertionMethodsNumArguments = new Map([
 	['try', 1]
 ]);
 
-const assertionMethodNames = [...assertionMethodsNumArguments.keys()];
+const assertionMethodNames = [...assertionMethodsNumberArguments.keys()];
 
-exports.assertionMethodsNumArguments = assertionMethodsNumArguments;
+exports.assertionMethodsNumArguments = assertionMethodsNumberArguments;
 exports.assertionMethods = new Set(assertionMethodNames);
 exports.executionMethods = new Set(assertionMethodNames.concat(['end', 'plan', 'log', 'teardown', 'timeout']));