ESLint: Require 'use strict' header

Author: watson

benchmark/e2e/express-helloworld-manyroutes/app.js

@@ -1,3 +1,5 @@
+'use strict'
+
 const crypto = require('crypto')
 const app = require('express')()
 

benchmark/sirun/appsec-iast/insecure-bank.js

@@ -1,3 +1,5 @@
+'use strict'
+
 const http = require('http')
 const app = require('/opt/insecure-bank-js/app') // eslint-disable-line import/no-absolute-path
 

benchmark/sirun/appsec/insecure-bank.js

@@ -1,3 +1,5 @@
+'use strict'
+
 const http = require('http')
 const app = require('/opt/insecure-bank-js/app') // eslint-disable-line import/no-absolute-path
 

benchmark/sirun/encoding/index.js

@@ -1,3 +1,5 @@
+'use strict'
+
 const {
   ENCODER_VERSION
 } = process.env

benchmark/sirun/gc.js

@@ -1,3 +1,5 @@
+'use strict'
+
 const { createHistogram, PerformanceObserver } = require('perf_hooks')
 if (createHistogram) {
   const StatsD = require('./statsd')

benchmark/sirun/scope/index.js

@@ -1,3 +1,5 @@
+'use strict'
+
 const {
   DD_TRACE_SCOPE,
   COUNT

benchmark/sirun/spans/spans.js

@@ -1,3 +1,5 @@
+'use strict'
+
 const tracer = require('../../..').init()
 
 tracer._tracer._processor.process = function process (span) {

benchmark/sirun/strip-unwanted-results.js

@@ -1,4 +1,5 @@
 #!/usr/bin/env node
+'use strict'
 
 const fs = require('fs')
 const path = require('path')

ci/cypress/after-run.js

@@ -1 +1,3 @@
+'use strict'
+
 module.exports = require('../../packages/datadog-plugin-cypress/src/after-run')

ci/cypress/after-spec.js

@@ -1 +1,3 @@
+'use strict'
+
 module.exports = require('../../packages/datadog-plugin-cypress/src/after-spec')

ci/cypress/plugin.js

@@ -1,3 +1,5 @@
+'use strict'
+
 require('../init')
 
 module.exports = require('../../packages/datadog-plugin-cypress/src/plugin')

ci/cypress/support.js

@@ -1 +1,3 @@
+'use strict'
+
 require('../../packages/datadog-plugin-cypress/src/support')

ci/init.js

@@ -1,3 +1,5 @@
+'use strict'
+
 /* eslint-disable no-console */
 const tracer = require('../packages/dd-trace')
 const { isTrue, isFalse } = require('../packages/dd-trace/src/util')

eslint.config.mjs

@@ -104,7 +104,8 @@ export default [
       'no-console': 'error',
       'no-prototype-builtins': 'off', // Override (turned on by @eslint/js/recommnded)
       'no-unused-expressions': 'off', // Override (turned on by standard)
-      'no-var': 'error' // Override (set to warn in standard)
+      'no-var': 'error', // Override (set to warn in standard)
+      strict: 'error'
     }
   },
   {

integration-tests/appsec/esm-app/custom-noop-hooks.mjs

@@ -1,5 +1,3 @@
-'use strict'
-
 function dummyOperation (a) {
   return a + 'should have ' + 'dummy operation to be rewritten' + ' without crashing'
 }

integration-tests/appsec/esm-app/index.mjs

@@ -1,4 +1,3 @@
-'use strict'
 /* eslint n/no-unsupported-features/node-builtins: ['error', { ignores: ['module.register'] }] */
 
 import childProcess from 'node:child_process'

integration-tests/appsec/esm-app/worker-dep.mjs

@@ -1,5 +1,3 @@
-'use strict'
-
 function dummyOperation (a) {
   return a + 'dummy operation with concat in worker-dep'
 }

integration-tests/appsec/multer.spec.js

@@ -1,4 +1,5 @@
 'use strict'
+
 /* eslint n/no-unsupported-features/node-builtins: ['error', { allowExperimental: true }] */
 
 const { assert } = require('chai')

integration-tests/ci-visibility-intake.js

@@ -1,3 +1,5 @@
+'use strict'
+
 const express = require('express')
 const bodyParser = require('body-parser')
 const msgpack = require('@msgpack/msgpack')

integration-tests/ci-visibility/automatic-log-submission-cucumber/support/logger.js

@@ -1,3 +1,5 @@
+'use strict'
+
 const { createLogger, format, transports } = require('winston')
 
 module.exports = createLogger({

integration-tests/ci-visibility/automatic-log-submission-cucumber/support/steps.js

@@ -1,3 +1,5 @@
+'use strict'
+
 const { expect } = require('chai')
 const { When, Then } = require('@cucumber/cucumber')
 

integration-tests/ci-visibility/automatic-log-submission-cucumber/support/sum.js

@@ -1,3 +1,5 @@
+'use strict'
+
 const logger = require('./logger')
 
 module.exports = function (a, b) {

integration-tests/ci-visibility/automatic-log-submission/automatic-log-submission-test.js

@@ -1,3 +1,5 @@
+'use strict'
+
 const { expect } = require('chai')
 
 const logger = require('./logger')

integration-tests/ci-visibility/automatic-log-submission/config-jest.js

@@ -1,3 +1,5 @@
+'use strict'
+
 module.exports = {
   projects: [],
   testPathIgnorePatterns: ['/node_modules/'],

integration-tests/ci-visibility/automatic-log-submission/logger.js

@@ -1,3 +1,5 @@
+'use strict'
+
 const { createLogger, format, transports } = require('winston')
 
 module.exports = createLogger({

integration-tests/ci-visibility/automatic-log-submission/sum.js

@@ -1,3 +1,5 @@
+'use strict'
+
 const logger = require('./logger')
 
 module.exports = function (a, b) {

integration-tests/ci-visibility/dynamic-instrumentation/dependency.js

@@ -1,3 +1,5 @@
+'use strict'
+
 module.exports = function (a, b) {
   const localVariable = 2
   if (a > 10) {

integration-tests/ci-visibility/dynamic-instrumentation/test-hit-breakpoint.js

@@ -1,3 +1,5 @@
+'use strict'
+
 const sum = require('./dependency')
 const { expect } = require('chai')
 

integration-tests/ci-visibility/dynamic-instrumentation/test-not-hit-breakpoint.js

@@ -1,3 +1,5 @@
+'use strict'
+
 const sum = require('./dependency')
 const { expect } = require('chai')
 

integration-tests/ci-visibility/features-di/support/steps.js

@@ -1,3 +1,5 @@
+'use strict'
+
 const assert = require('assert')
 const { When, Then } = require('@cucumber/cucumber')
 const sum = require('./sum')

integration-tests/ci-visibility/features-di/support/sum.js

@@ -1,3 +1,5 @@
+'use strict'
+
 function funSum (a, b) {
   const localVariable = 2
   if (a > 10) {

integration-tests/ci-visibility/features-flaky/support/steps.js

@@ -1,3 +1,5 @@
+'use strict'
+
 const assert = require('assert')
 const { When, Then } = require('@cucumber/cucumber')
 

integration-tests/ci-visibility/features-retry/support/steps.js

@@ -1,3 +1,5 @@
+'use strict'
+
 const assert = require('assert')
 const { When, Then } = require('@cucumber/cucumber')
 

integration-tests/ci-visibility/features-selenium/support/steps.js

@@ -1,3 +1,5 @@
+'use strict'
+
 const { expect } = require('chai')
 const { By, Builder } = require('selenium-webdriver')
 const chrome = require('selenium-webdriver/chrome')

integration-tests/ci-visibility/features/support/steps.js

@@ -1,3 +1,5 @@
+'use strict'
+
 const assert = require('assert')
 const { When, Then, Before } = require('@cucumber/cucumber')
 class Greeter {

integration-tests/ci-visibility/jest-custom-test-sequencer.js

@@ -1,3 +1,5 @@
+'use strict'
+
 const Sequencer = require('@jest/test-sequencer').default
 
 // From example in https://jestjs.io/docs/configuration#testsequencer-string

integration-tests/ci-visibility/jest-flaky/flaky-fails.js

@@ -1,3 +1,5 @@
+'use strict'
+
 describe('test-flaky-test-retries', () => {
   it('can retry failed tests', () => {
     expect(1).toEqual(2)

integration-tests/ci-visibility/jest-flaky/flaky-passes.js

@@ -1,3 +1,5 @@
+'use strict'
+
 let counter = 0
 
 describe('test-flaky-test-retries', () => {

integration-tests/ci-visibility/jestEnvironmentBadInit.js

@@ -1,3 +1,5 @@
+'use strict'
+
 require('dd-trace').init({
   service: 'dd-trace-bad-init'
 })

integration-tests/ci-visibility/office-addin-mock/dependency.js

@@ -1,3 +1,5 @@
+'use strict'
+
 require('office-addin-mock')
 
 function sum (a, b) {

integration-tests/ci-visibility/office-addin-mock/test.js

@@ -1,3 +1,5 @@
+'use strict'
+
 const sum = require('./dependency')
 const { expect } = require('chai')
 

integration-tests/ci-visibility/playwright-tests-automatic-retry/automatic-retry-test.js

@@ -1,3 +1,5 @@
+'use strict'
+
 const { test, expect } = require('@playwright/test')
 
 test.beforeEach(async ({ page }) => {

integration-tests/ci-visibility/playwright-tests-error/before-all-timeout-test.js

@@ -1,3 +1,5 @@
+'use strict'
+
 const { test, expect } = require('@playwright/test')
 
 test.beforeEach(async ({ page }) => {

integration-tests/ci-visibility/playwright-tests-max-failures/failing-test-and-another-test.js

@@ -1,3 +1,5 @@
+'use strict'
+
 const { test, expect } = require('@playwright/test')
 
 test.beforeEach(async ({ page }) => {

integration-tests/ci-visibility/playwright-tests/landing-page-test.js

@@ -1,3 +1,5 @@
+'use strict'
+
 const { test, expect } = require('@playwright/test')
 
 test.beforeEach(async ({ page }) => {

integration-tests/ci-visibility/playwright-tests/skipped-suite-test.js

@@ -1,3 +1,5 @@
+'use strict'
+
 const { test, expect } = require('@playwright/test')
 
 test.beforeEach(async ({ page }) => {

integration-tests/ci-visibility/playwright-tests/todo-list-page-test.js

@@ -1,3 +1,5 @@
+'use strict'
+
 const { test, expect } = require('@playwright/test')
 
 test.beforeEach(async ({ page }) => {

integration-tests/ci-visibility/run-jest-bad-init.js

@@ -1,3 +1,5 @@
+'use strict'
+
 const jest = require('jest')
 
 const options = {

integration-tests/ci-visibility/run-jest.js

@@ -1,3 +1,5 @@
+'use strict'
+
 const jest = require('jest')
 
 const options = {

integration-tests/ci-visibility/run-mocha.js

@@ -1,3 +1,5 @@
+'use strict'
+
 const Mocha = require('mocha')
 
 const mocha = new Mocha({

integration-tests/ci-visibility/run-workerpool.js

@@ -1,3 +1,5 @@
+'use strict'
+
 const workerpool = require('workerpool')
 const pool = workerpool.pool({ workerType: 'process' })
 

integration-tests/ci-visibility/sharding-test/sharding-test-1.js

@@ -1,3 +1,5 @@
+'use strict'
+
 const { expect } = require('chai')
 
 describe('sharding test 1', () => {

integration-tests/ci-visibility/sharding-test/sharding-test-2.js

@@ -1,3 +1,5 @@
+'use strict'
+
 const { expect } = require('chai')
 
 describe('sharding test 2', () => {

integration-tests/ci-visibility/sharding-test/sharding-test-3.js

@@ -1,3 +1,5 @@
+'use strict'
+
 const { expect } = require('chai')
 
 describe('sharding test 3', () => {

integration-tests/ci-visibility/sharding-test/sharding-test-4.js

@@ -1,3 +1,5 @@
+'use strict'
+
 const { expect } = require('chai')
 
 describe('sharding test 4', () => {

integration-tests/ci-visibility/sharding-test/sharding-test-5.js

@@ -1,3 +1,5 @@
+'use strict'
+
 const { expect } = require('chai')
 
 describe('sharding test 5', () => {

integration-tests/ci-visibility/subproject/cypress.config.js

@@ -1,3 +1,5 @@
+'use strict'
+
 module.exports = {
   defaultCommandTimeout: 100,
   e2e: {

integration-tests/ci-visibility/subproject/cypress/plugins-old/index.js

@@ -1 +1,3 @@
+'use strict'
+
 module.exports = require('dd-trace/ci/cypress/plugin')

integration-tests/ci-visibility/subproject/cypress/support/e2e.js

@@ -1 +1,3 @@
+'use strict'
+
 require('dd-trace/ci/cypress/support')

integration-tests/ci-visibility/subproject/dependency.js

@@ -1,3 +1,5 @@
+'use strict'
+
 module.exports = function (a, b) {
   return a + b
 }

integration-tests/ci-visibility/subproject/features/support/steps.js

@@ -1,3 +1,5 @@
+'use strict'
+
 const assert = require('assert')
 const { When, Then } = require('@cucumber/cucumber')
 class Greeter {

integration-tests/ci-visibility/subproject/playwright-tests/landing-page-test.js

@@ -1,3 +1,5 @@
+'use strict'
+
 const { test, expect } = require('@playwright/test')
 
 test.beforeEach(async ({ page }) => {

integration-tests/ci-visibility/subproject/playwright.config.js

@@ -1,3 +1,5 @@
+'use strict'
+
 // Playwright config file for integration tests
 const { devices } = require('@playwright/test')
 

integration-tests/ci-visibility/subproject/subproject-test.js

@@ -1,3 +1,5 @@
+'use strict'
+
 const dependency = require('./dependency')
 
 describe('subproject-test', () => {

integration-tests/ci-visibility/test-early-flake-detection/jest-snapshot.js

@@ -1,3 +1,5 @@
+'use strict'
+
 describe('test', () => {
   it('can do snapshot', () => {
     expect(1 + 2).toMatchSnapshot()

integration-tests/ci-visibility/test-early-flake-detection/mocha-parameterized.js

@@ -1,3 +1,5 @@
+'use strict'
+
 const { expect } = require('chai')
 const forEach = require('mocha-each')
 

integration-tests/ci-visibility/test-early-flake-detection/occasionally-failing-test.js

@@ -1,3 +1,5 @@
+'use strict'
+
 const { expect } = require('chai')
 
 let globalCounter = 0