TRIVIAL: use ESLint instead of TSLint

.eslintrc.json

@@ -0,0 +1,3 @@
+{
+	"extends": "mrmlnc"
+}

.gitignore

@@ -11,6 +11,7 @@ npm-debug.log*
 node_modules/
 
 # Compiled and temporary files
+.eslintcache
 .tmp/
 .benchmark/
 out/

.npmignore

@@ -4,9 +4,12 @@
 .gitignore
 .vsts
 tsconfig.json
-tslint.json
+.eslintrc.json
 
-# Builded files
+# Log & Cache files
+.eslintcache
+
+# Build files
 out/benchmark
 out/tests
 out/**/*.js.map

package.json

@@ -35,6 +35,8 @@
     "@types/sinon": "^7.0.13",
     "compute-stdev": "^1.0.0",
     "easy-table": "^1.1.1",
+    "eslint": "^6.3.0",
+    "eslint-config-mrmlnc": "^1.0.0",
     "execa": "^1.0.0",
     "fast-glob": "^3.0.2",
     "glob": "^7.1.4",
@@ -43,9 +45,7 @@
     "rimraf": "^2.6.3",
     "sinon": "^7.3.2",
     "tiny-glob": "^0.2.6",
-    "tslint": "^5.18.0",
-    "tslint-config-mrmlnc": "^2.1.0",
-    "typescript": "^3.5.2"
+    "typescript": "^3.5.3"
   },
   "dependencies": {
     "@nodelib/fs.stat": "^2.0.1",
@@ -56,7 +56,7 @@
   },
   "scripts": {
     "clean": "rimraf out",
-    "lint": "tslint \"src/**/*.ts\" -p . -t stylish",
+    "lint": "eslint \"src/**/*.ts\" --cache",
     "compile": "tsc",
     "test": "mocha \"out/**/*.spec.js\" -s 0",
     "smoke": "mocha \"out/**/*.smoke.js\" -s 0",

src/benchmark/index.ts

@@ -1,25 +1,30 @@
-import minimist = require('minimist');
-
 import * as logger from './logger';
 import Runner, { RunnerOptions } from './runner';
 import * as utils from './utils';
 
-interface Arguments extends RunnerOptions {
+import minimist = require('minimist');
+
+const PROCESS_FIRST_ARGUMENT_INDEX = 2;
+const DEFAULT_BENCHMARK_LAUNCHES = 10;
+const DEFAULT_BENCHMARK_MAX_STDEV = 3;
+const DEFAULT_BENCHMARK_RETRIES = 5;
+
+type Arguments = {
 	basedir: string;
-}
+} & RunnerOptions;
 
 const defaultArgv: Arguments = {
 	basedir: '.',
 	type: process.env.BENCHMARK_TYPE || 'product',
 	mode: process.env.BENCHMARK_MODE || 'async',
 	pattern: process.env.BENCHMARK_PATTERN || '*',
-	launches: utils.getEnvAsInteger('BENCHMARK_LAUNCHES') || 10,
-	maxStdev: utils.getEnvAsInteger('BENCHMARK_MAX_STDEV') || 3,
-	retries: utils.getEnvAsInteger('BENCHMARK_RETRIES') || 5,
+	launches: utils.getEnvAsInteger('BENCHMARK_LAUNCHES') || DEFAULT_BENCHMARK_LAUNCHES,
+	maxStdev: utils.getEnvAsInteger('BENCHMARK_MAX_STDEV') || DEFAULT_BENCHMARK_MAX_STDEV,
+	retries: utils.getEnvAsInteger('BENCHMARK_RETRIES') || DEFAULT_BENCHMARK_RETRIES,
 	options: utils.getEnvAsObject('BENCHMARK_OPTIONS') || {}
 };
 
-const argv = minimist<Arguments>(process.argv.slice(2), {
+const argv = minimist<Arguments>(process.argv.slice(PROCESS_FIRST_ARGUMENT_INDEX), {
 	default: defaultArgv
 });
 

src/benchmark/reporter.ts

@@ -1,5 +1,7 @@
 import { SuitePackResult } from './runner';
 
+const FRACTION_DIGITS = 3;
+
 export default class Reporter {
 	constructor(private readonly _results: SuitePackResult) { }
 
@@ -28,8 +30,8 @@ export default class Reporter {
 
 		return [
 			'(' + name.toUpperCase() + ')',
-			this._formatValue(data.average, data.units, 3),
-			'±' + this._formatValue(data.stdev, '%', 3)
+			this._formatValue(data.average, data.units, FRACTION_DIGITS),
+			'±' + this._formatValue(data.stdev, '%', FRACTION_DIGITS)
 		].join(' ');
 	}
 

src/benchmark/runner.ts

@@ -1,47 +1,47 @@
 import * as fs from 'fs';
 import * as path from 'path';
 
-import execa = require('execa');
-
 import { Options } from '../settings';
 import Reporter from './reporter';
 import * as utils from './utils';
 
-export interface RunnerOptions {
+import execa = require('execa');
+
+export type RunnerOptions = {
 	type: string;
 	mode: string;
 	pattern: string;
 	launches: number;
 	maxStdev: number;
 	retries: number;
 	options: Options;
-}
+};
 
-export interface SuiteMeasures {
+export type SuiteMeasures = {
 	matches: number;
 	time: number;
 	memory: number;
-}
+};
 
-export interface Measure {
+export type Measure = {
 	units: string;
 	raw: number[];
 	average: number;
 	stdev: number;
-}
+};
 
-export interface SuitePackMeasures extends Record<string, Measure> {
+export type SuitePackMeasures = {
 	time: Measure;
 	memory: Measure;
-}
+} & Record<string, Measure>;
 
-export interface SuitePackResult {
+export type SuitePackResult = {
 	name: string;
 	errors: number;
 	entries: number;
 	retries: number;
 	measures: SuitePackMeasures;
-}
+};
 
 export default class Runner {
 	constructor(private readonly _basedir: string, private readonly _options: RunnerOptions) { }

src/benchmark/suites/product/async/node-glob.ts

@@ -1,9 +1,9 @@
 import * as path from 'path';
 
-import glob = require('glob');
-
 import * as utils from '../../../utils';
 
+import glob = require('glob');
+
 const options: glob.IOptions = {
 	cwd: path.join(process.cwd(), process.env.BENCHMARK_BASE_DIR as string),
 	nosort: true,

src/benchmark/suites/product/async/tiny-glob.ts

@@ -1,9 +1,9 @@
 import * as path from 'path';
 
-import glob = require('tiny-glob');
-
 import * as utils from '../../../utils';
 
+import glob = require('tiny-glob');
+
 const options = {
 	cwd: path.join(process.cwd(), process.env.BENCHMARK_BASE_DIR as string),
 	flush: true

src/benchmark/suites/product/stream/fast-glob.ts

@@ -20,7 +20,7 @@ stream.on('data', (entry: string) => entries.push(entry));
 stream.once('end', () => {
 	const memory = utils.getMemory();
 	const time = utils.timeEnd(timeStart);
-	const measures = utils.getMeasures(Array.from(entries).length, time, memory);
+	const measures = utils.getMeasures([...entries].length, time, memory);
 
 	console.info(measures);
 });

src/benchmark/suites/product/sync/node-glob.ts

@@ -1,9 +1,9 @@
 import * as path from 'path';
 
-import glob = require('glob');
-
 import * as utils from '../../../utils';
 
+import glob = require('glob');
+
 const options: glob.IOptions = {
 	cwd: path.join(process.cwd(), process.env.BENCHMARK_BASE_DIR as string),
 	nosort: true,

src/benchmark/suites/regression/async/fast-glob-previous.ts

@@ -1,9 +1,9 @@
 import * as path from 'path';
 
-import fg = require('fast-glob');
-
 import * as utils from '../../../utils';
 
+import fg = require('fast-glob');
+
 const options: fg.Options = {
 	cwd: path.join(process.cwd(), process.env.BENCHMARK_BASE_DIR as string),
 	unique: false,

src/benchmark/suites/regression/stream/fast-glob-current.ts

@@ -20,7 +20,7 @@ stream.on('data', (entry: string) => entries.push(entry));
 stream.once('end', () => {
 	const memory = utils.getMemory();
 	const time = utils.timeEnd(timeStart);
-	const measures = utils.getMeasures(Array.from(entries).length, time, memory);
+	const measures = utils.getMeasures([...entries].length, time, memory);
 
 	console.info(measures);
 });

src/benchmark/suites/regression/stream/fast-glob-previous.ts

@@ -1,9 +1,9 @@
 import * as path from 'path';
 
-import fg = require('fast-glob');
-
 import * as utils from '../../../utils';
 
+import fg = require('fast-glob');
+
 const options: fg.Options = {
 	cwd: path.join(process.cwd(), process.env.BENCHMARK_BASE_DIR as string),
 	unique: false,
@@ -21,7 +21,7 @@ stream.on('data', (entry: string) => entries.push(entry));
 stream.once('end', () => {
 	const memory = utils.getMemory();
 	const time = utils.timeEnd(timeStart);
-	const measures = utils.getMeasures(Array.from(entries).length, time, memory);
+	const measures = utils.getMeasures([...entries].length, time, memory);
 
 	console.info(measures);
 });

src/benchmark/suites/regression/sync/fast-glob-previous.ts

@@ -1,9 +1,9 @@
 import * as path from 'path';
 
-import fg = require('fast-glob');
-
 import * as utils from '../../../utils';
 
+import fg = require('fast-glob');
+
 const options: fg.Options = {
 	cwd: path.join(process.cwd(), process.env.BENCHMARK_BASE_DIR as string),
 	unique: false,

src/benchmark/utils.spec.ts

@@ -11,7 +11,7 @@ describe('Benchmark → Utils', () => {
 		process.env.FG_TEST_ENV_OBJECT = '{ "value": true }';
 
 		process.hrtime = (() => [0, 1e7]) as NodeJS.HRTime;
-		process.memoryUsage = () => ({ external: 0, rss: 0, heapTotal: 0, heapUsed: 10 * 1024 * 1024 });
+		process.memoryUsage = () => ({ external: 0, rss: 0, heapTotal: 0, heapUsed: 10 * 1e6 });
 	});
 
 	after(() => {

src/benchmark/utils.ts

@@ -1,15 +1,19 @@
+import { SuiteMeasures } from './runner';
+
 import stdev = require('compute-stdev');
 
-import { SuiteMeasures } from './runner';
+const NANOSECONDS_IN_SECOND = 1e9;
+const MICROSECONDS_IN_SECOND = 1e6;
+const BYTES_IN_MEGABYTE = 1e6;
 
 export function convertHrtimeToMilliseconds(hrtime: [number, number]): number {
-	const nanoseconds = (hrtime[0] * 1e9) + hrtime[1];
+	const nanoseconds = hrtime[0] * NANOSECONDS_IN_SECOND;
 
-	return nanoseconds / 1e6;
+	return (nanoseconds + hrtime[1]) / MICROSECONDS_IN_SECOND;
 }
 
 export function convertBytesToMegaBytes(bytes: number): number {
-	return bytes / 1e6;
+	return bytes / MICROSECONDS_IN_SECOND;
 }
 
 export function timeStart(): [number, number] {
@@ -23,7 +27,7 @@ export function timeEnd(start: [number, number]): number {
 }
 
 export function getMemory(): number {
-	return process.memoryUsage().heapUsed / 1024 / 1024;
+	return process.memoryUsage().heapUsed / BYTES_IN_MEGABYTE;
 }
 
 export function getMeasures(matches: number, time: number, memory: number): string {
@@ -44,8 +48,8 @@ export function getEnvAsInteger(name: string): number | undefined {
 	return env ? parseInt(env, 10) : undefined;
 }
 
-export function getEnvAsObject(name: string): Object | undefined {
+export function getEnvAsObject(name: string): object | undefined {
 	const env = process.env[name];
 
-	return env ? JSON.parse(env) as Object : undefined;
+	return env ? JSON.parse(env) as object : undefined;
 }