[PM-21934] Upgrade to eslint 9 (#14754)

Upgrades to Eslint v9. Since this is a major version there were breaking changes, but since we've previously migrated to flat configs in #12806 those were minimal.

.github/renovate.json5

@@ -59,6 +59,7 @@
     {
       matchPackageNames: [
         "@angular-eslint/schematics",
+        "@eslint/compat",
         "@typescript-eslint/rule-tester",
         "@typescript-eslint/utils",
         "angular-eslint",
@@ -81,6 +82,7 @@
     {
       matchPackageNames: [
         "@angular-eslint/schematics",
+        "@eslint/compat",
         "@typescript-eslint/rule-tester",
         "@typescript-eslint/utils",
         "angular-eslint",

apps/browser/src/key-management/vault-timeout/vault-timeout.service.ts

@@ -17,7 +17,6 @@ export default class VaultTimeoutService extends BaseVaultTimeoutService {
   //  setIntervals. It works by calling the native extension which sleeps for 10s,
   //  efficiently replicating setInterval.
   async checkSafari() {
-    // eslint-disable-next-line
     while (true) {
       try {
         await SafariApp.sendMessageToApp("sleep");

apps/browser/src/platform/popup/services/browser-router.service.ts

@@ -21,6 +21,8 @@ export class BrowserRouterService {
           child = child.firstChild;
         }
 
+        // TODO: Eslint upgrade. Please resolve this since the ?? does nothing
+        // eslint-disable-next-line no-constant-binary-expression
         const updateUrl = !child?.data?.doNotSaveUrl ?? true;
 
         if (updateUrl) {

apps/browser/src/platform/popup/view-cache/popup-router-cache.service.ts

@@ -62,6 +62,8 @@ export class PopupRouterCacheService {
             child = child.firstChild;
           }
 
+          // TODO: Eslint upgrade. Please resolve this since the ?? does nothing
+          // eslint-disable-next-line no-constant-binary-expression
           return !child?.data?.doNotSaveUrl ?? true;
         }),
         switchMap((event) => this.push(event.url)),

apps/cli/src/utils.ts

@@ -161,7 +161,6 @@ export class CliUtils {
 
       process.stdin.setEncoding("utf8");
       process.stdin.on("readable", () => {
-        // eslint-disable-next-line
         while (true) {
           const chunk = process.stdin.read();
           if (chunk == null) {

apps/web/src/app/admin-console/organizations/reporting/organization-reporting-routing.module.ts

@@ -9,12 +9,16 @@ import { Organization } from "@bitwarden/common/admin-console/models/domain/orga
 import { FeatureFlag } from "@bitwarden/common/enums/feature-flag.enum";
 import { ConfigService } from "@bitwarden/common/platform/abstractions/config/config.service";
 
+// eslint-disable-next-line no-restricted-imports
 import { ExposedPasswordsReportComponent } from "../../../dirt/reports/pages/organizations/exposed-passwords-report.component";
+// eslint-disable-next-line no-restricted-imports
 import { InactiveTwoFactorReportComponent } from "../../../dirt/reports/pages/organizations/inactive-two-factor-report.component";
+// eslint-disable-next-line no-restricted-imports
 import { ReusedPasswordsReportComponent } from "../../../dirt/reports/pages/organizations/reused-passwords-report.component";
+// eslint-disable-next-line no-restricted-imports
 import { UnsecuredWebsitesReportComponent } from "../../../dirt/reports/pages/organizations/unsecured-websites-report.component";
+// eslint-disable-next-line no-restricted-imports
 import { WeakPasswordsReportComponent } from "../../../dirt/reports/pages/organizations/weak-passwords-report.component";
-/* eslint no-restricted-imports: "error" */
 import { isPaidOrgGuard } from "../guards/is-paid-org.guard";
 import { organizationPermissionsGuard } from "../guards/org-permissions.guard";
 import { organizationRedirectGuard } from "../guards/org-redirect.guard";

apps/web/src/app/billing/organizations/change-plan-dialog.component.ts

@@ -607,6 +607,8 @@ export class ChangePlanDialogComponent implements OnInit, OnDestroy {
 
     return (
       plan.PasswordManager.additionalStoragePricePerGb *
+      // TODO: Eslint upgrade. Please resolve this  since the null check does nothing
+      // eslint-disable-next-line no-constant-binary-expression
       Math.abs(this.sub?.maxStorageGb ? this.sub?.maxStorageGb - 1 : 0 || 0)
     );
   }

apps/web/src/app/billing/organizations/payment-method/organization-payment-method.component.ts

@@ -148,6 +148,8 @@ export class OrganizationPaymentMethodComponent implements OnDestroy {
           paymentSource,
         );
       }
+      // TODO: Eslint upgrade. Please resolve this since the ?? does nothing
+      // eslint-disable-next-line no-constant-binary-expression
       this.isUnpaid = this.subscriptionStatus === "unpaid" ?? false;
       // If the flag `launchPaymentModalAutomatically` is set to true,
       // we schedule a timeout (delay of 800ms) to automatically launch the payment modal.

apps/web/src/app/billing/shared/payment-method.component.ts

@@ -143,6 +143,8 @@ export class PaymentMethodComponent implements OnInit, OnDestroy {
 
       [this.billing, this.sub] = await Promise.all([billingPromise, subPromise]);
     }
+    // TODO: Eslint upgrade. Please resolve this since the ?? does nothing
+    // eslint-disable-next-line no-constant-binary-expression
     this.isUnpaid = this.subscription?.status === "unpaid" ?? false;
     this.loading = false;
     // If the flag `launchPaymentModalAutomatically` is set to true,

apps/web/src/app/core/router.service.ts

@@ -74,6 +74,9 @@ export class RouterService {
 
         const titleId: string = child?.snapshot?.data?.titleId;
         const rawTitle: string = child?.snapshot?.data?.title;
+
+        // TODO: Eslint upgrade. Please resolve this since the ?? does nothing
+        // eslint-disable-next-line no-constant-binary-expression
         const updateUrl = !child?.snapshot?.data?.doNotSaveUrl ?? true;
 
         if (titleId != null || rawTitle != null) {

eslint.config.mjs

@@ -1,5 +1,5 @@
 // @ts-check
-
+import { fixupPluginRules } from "@eslint/compat";
 import eslint from "@eslint/js";
 import tseslint from "typescript-eslint";
 import angular from "angular-eslint";
@@ -31,8 +31,8 @@ export default tseslint.config(
       reportUnusedDisableDirectives: "error",
     },
     plugins: {
-      rxjs: rxjs,
-      "rxjs-angular": angularRxjs,
+      rxjs: fixupPluginRules(rxjs),
+      "rxjs-angular": fixupPluginRules(angularRxjs),
       "@bitwarden/platform": platformPlugins,
     },
     languageOptions: {

libs/common/src/key-management/device-trust/services/device-trust.service.implementation.ts

@@ -89,6 +89,8 @@ export class DeviceTrustService implements DeviceTrustServiceAbstraction {
   ) {
     this.supportsDeviceTrust$ = this.userDecryptionOptionsService.userDecryptionOptions$.pipe(
       map((options) => {
+        // TODO: Eslint upgrade. Please resolve this since the ?? does nothing
+        // eslint-disable-next-line no-constant-binary-expression
         return options?.trustedDeviceOption != null ?? false;
       }),
     );
@@ -97,6 +99,8 @@ export class DeviceTrustService implements DeviceTrustServiceAbstraction {
   supportsDeviceTrustByUserId$(userId: UserId): Observable<boolean> {
     return this.userDecryptionOptionsService.userDecryptionOptionsById$(userId).pipe(
       map((options) => {
+        // TODO: Eslint upgrade. Please resolve this since the ?? does nothing
+        // eslint-disable-next-line no-constant-binary-expression
         return options?.trustedDeviceOption != null ?? false;
       }),
     );

libs/eslint/fix-jsdom.ts

@@ -0,0 +1,10 @@
+import JSDOMEnvironment from "jest-environment-jsdom";
+
+export default class FixJSDOMEnvironment extends JSDOMEnvironment {
+  constructor(...args: ConstructorParameters<typeof JSDOMEnvironment>) {
+    super(...args);
+
+    // FIXME https://github.com/jsdom/jsdom/issues/3363
+    this.global.structuredClone = structuredClone;
+  }
+}

libs/eslint/jest.config.js

@@ -3,6 +3,7 @@ const sharedConfig = require("../../libs/shared/jest.config.angular");
 /** @type {import('jest').Config} */
 module.exports = {
   ...sharedConfig,
+  testEnvironment: "./fix-jsdom.ts",
   testMatch: ["**/+(*.)+(spec).+(mjs)"],
   displayName: "libs/eslint tests",
   preset: "jest-preset-angular",

libs/eslint/test.setup.mjs

@@ -1,5 +1,3 @@
-/* eslint-disable no-undef */
-
 import { clearImmediate, setImmediate } from "node:timers";
 
 Object.defineProperties(globalThis, {

libs/eslint/tsconfig.json

@@ -1,5 +1,6 @@
 {
   "extends": "../shared/tsconfig",
   "compilerOptions": {},
-  "exclude": ["node_modules", "dist"]
+  "exclude": ["node_modules", "dist"],
+  "files": ["empty.ts"]
 }

libs/importer/src/importers/dashlane/dashlane-csv-importer.ts

@@ -92,7 +92,7 @@ export class DashlaneCsvImporter extends BaseImporter implements Importer {
         this.parseIdRecord(cipher, row);
       }
 
-      if ((rowKeys[0] === "type") != null && rowKeys[1] === "title") {
+      if (rowKeys[0] === "type" && rowKeys[1] === "title") {
         this.parsePersonalInformationRecord(cipher, row);
       }
 

package.json

@@ -47,6 +47,7 @@
     "@compodoc/compodoc": "1.1.26",
     "@electron/notarize": "2.5.0",
     "@electron/rebuild": "3.7.2",
+    "@eslint/compat": "1.2.9",
     "@lit-labs/signals": "0.1.2",
     "@ngtools/webpack": "18.2.19",
     "@storybook/addon-a11y": "8.6.12",
@@ -102,7 +103,7 @@
     "electron-reload": "2.0.0-alpha.1",
     "electron-store": "8.2.0",
     "electron-updater": "6.6.4",
-    "eslint": "8.57.1",
+    "eslint": "9.26.0",
     "eslint-config-prettier": "10.1.2",
     "eslint-import-resolver-typescript": "4.3.4",
     "eslint-plugin-import": "2.31.0",
@@ -207,6 +208,12 @@
     "zxcvbn": "4.4.2"
   },
   "overrides": {
+    "eslint-plugin-rxjs": {
+      "eslint": "$eslint"
+    },
+    "eslint-plugin-rxjs-angular": {
+      "eslint": "$eslint"
+    },
     "tailwindcss": "$tailwindcss",
     "@storybook/angular": {
       "zone.js": "$zone.js"