From e01fb1fbe9b89ead305a0b80a76c5f216b248347 Mon Sep 17 00:00:00 2001
From: David Lechner <david@pybricks.com>
Date: Wed, 23 Nov 2022 17:07:22 -0600
Subject: [PATCH] eslint: strict equality

Enforce use of ===/!== and fix existing issues.
---
 .eslintrc.js                     | 1 +
 src/app/App.tsx                  | 2 +-
 src/editor/sagas.ts              | 4 ++--
 src/explorer/sagas.ts            | 2 +-
 src/serviceWorkerRegistration.ts | 4 ++--
 5 files changed, 7 insertions(+), 6 deletions(-)

diff --git a/.eslintrc.js b/.eslintrc.js
index 5adfed40..3f5ea2f3 100644
--- a/.eslintrc.js
+++ b/.eslintrc.js
@@ -17,6 +17,7 @@ module.exports = {
     plugins: ['react'],
     rules: {
         curly: 'error',
+        eqeqeq: 'error',
         'no-multi-spaces': 'error',
         'no-trailing-spaces': 'error',
         'no-multiple-empty-lines': 'error',
diff --git a/src/app/App.tsx b/src/app/App.tsx
index ac64ab44..967ad324 100644
--- a/src/app/App.tsx
+++ b/src/app/App.tsx
@@ -128,7 +128,7 @@ const Docs: React.VFC = () => {
                             ? e.metaKey && !e.ctrlKey
                             : e.ctrlKey && !e.metaKey) &&
                         !e.altKey &&
-                        e.key == 'd'
+                        e.key === 'd'
                     ) {
                         e.preventDefault();
                         // since the iframe is only visible when docs are shown
diff --git a/src/editor/sagas.ts b/src/editor/sagas.ts
index c5ec31a1..422f21b2 100644
--- a/src/editor/sagas.ts
+++ b/src/editor/sagas.ts
@@ -205,9 +205,9 @@ function* handleEditorActivateFile(
             yield* put(editorOpenFile(action.uuid));
 
             const { didFailToOpen } = yield* race({
-                didOpen: take(editorDidOpenFile.when((a) => a.uuid == action.uuid)),
+                didOpen: take(editorDidOpenFile.when((a) => a.uuid === action.uuid)),
                 didFailToOpen: take(
-                    editorDidFailToOpenFile.when((a) => a.uuid == action.uuid),
+                    editorDidFailToOpenFile.when((a) => a.uuid === action.uuid),
                 ),
             });
 
diff --git a/src/explorer/sagas.ts b/src/explorer/sagas.ts
index b083a00b..5d272c6e 100644
--- a/src/explorer/sagas.ts
+++ b/src/explorer/sagas.ts
@@ -177,7 +177,7 @@ function* handleExplorerImportFiles(): Generator {
 
             const result = validateFileName(baseName, pythonFileExtension, []);
 
-            if (result != FileNameValidationResult.IsOk) {
+            if (result !== FileNameValidationResult.IsOk) {
                 yield* put(renameImportDialogShow(file.name));
 
                 const { accepted, cancelled } = yield* race({
diff --git a/src/serviceWorkerRegistration.ts b/src/serviceWorkerRegistration.ts
index c377b777..7ab545a3 100644
--- a/src/serviceWorkerRegistration.ts
+++ b/src/serviceWorkerRegistration.ts
@@ -74,7 +74,7 @@ function registerValidSW(swUrl: string, config?: Config): void {
 
             registration.onupdatefound = () => {
                 const installingWorker = registration.installing;
-                if (installingWorker == null) {
+                if (installingWorker === null) {
                     return;
                 }
                 installingWorker.onstatechange = () => {
@@ -122,7 +122,7 @@ function checkValidServiceWorker(swUrl: string, config?: Config): void {
             const contentType = response.headers.get('content-type');
             if (
                 response.status === 404 ||
-                (contentType != null && contentType.indexOf('javascript') === -1)
+                (contentType !== null && contentType.indexOf('javascript') === -1)
             ) {
                 // No service worker found. Probably a different app. Reload the page.
                 navigator.serviceWorker.ready.then((registration) => {