Fixing eslint.

.eslintignore

@@ -1,4 +0,0 @@
-generate_translations.js
-webpack.config.js
-tailwind.config.js
-src/api_tests

.eslintrc.json

@@ -1,41 +0,0 @@
-{
-  "root": true,
-  "env": {
-    "browser": true
-  },
-  "plugins": ["@typescript-eslint"],
-  "extends": ["eslint:recommended", "plugin:@typescript-eslint/recommended"],
-  "parser": "@typescript-eslint/parser",
-  "parserOptions": {
-    "project": "./tsconfig.json",
-    "warnOnUnsupportedTypeScriptVersion": false
-  },
-  "rules": {
-    "@typescript-eslint/ban-ts-comment": "off",
-    "@typescript-eslint/no-explicit-any": 0,
-    "@typescript-eslint/explicit-module-boundary-types": 0,
-    "arrow-body-style": 0,
-    "curly": 0,
-    "eol-last": 0,
-    "eqeqeq": 0,
-    "func-style": 0,
-    "import/no-duplicates": 0,
-    "max-statements": 0,
-    "max-params": 0,
-    "new-cap": 0,
-    "no-console": 0,
-    "no-duplicate-imports": 0,
-    "no-extra-parens": 0,
-    "no-return-assign": 0,
-    "no-throw-literal": 0,
-    "no-trailing-spaces": 0,
-    "no-unused-expressions": 0,
-    "no-useless-constructor": 0,
-    "no-useless-escape": 0,
-    "no-var": 0,
-    "prefer-const": 0,
-    "prefer-rest-params": 0,
-    "quote-props": 0,
-    "unicorn/filename-case": 0
-  }
-}

Dockerfile

@@ -1,5 +1,5 @@
 # Build the git includes for the docs
-FROM alpine:3 as docs_include
+FROM alpine:3 AS docs_include
 RUN apk add --no-cache git bash curl
 WORKDIR /app
 COPY lemmy-docs ./lemmy-docs
@@ -7,7 +7,7 @@ WORKDIR /app/lemmy-docs
 RUN ./update-includes.sh
 
 # Build the docs
-FROM alpine:3 as docs
+FROM alpine:3 AS docs
 WORKDIR /app
 RUN wget -O mdbook.tar.gz https://github.com/rust-lang/mdBook/releases/download/v0.4.30/mdbook-v0.4.30-x86_64-unknown-linux-musl.tar.gz
 RUN tar -xzf mdbook.tar.gz
@@ -15,7 +15,7 @@ COPY lemmy-docs ./lemmy-docs
 RUN ./mdbook build lemmy-docs -d ../docs
 
 # Build the typedoc API docs
-FROM node:alpine as api
+FROM node:alpine AS api
 WORKDIR /app
 COPY lemmy-js-client lemmy-js-client
 WORKDIR /app/lemmy-js-client
@@ -24,7 +24,7 @@ RUN pnpm i
 RUN pnpm run docs
 
 # Build the isomorphic app
-FROM node:alpine as builder
+FROM node:alpine AS builder
 RUN apk update && apk add python3 build-base gcc wget git curl --no-cache
 RUN curl -sf https://gobinaries.com/tj/node-prune | sh
 RUN corepack enable pnpm
@@ -63,7 +63,7 @@ RUN rm -rf ./node_modules/import-sort-parser-typescript
 RUN rm -rf ./node_modules/typescript
 RUN rm -rf ./node_modules/npm
 
-FROM node:alpine as runner
+FROM node:alpine AS runner
 COPY --from=builder /app/dist /app/dist
 COPY --from=builder /app/node_modules /app/node_modules
 

eslint.config.mjs

@@ -0,0 +1,98 @@
+import pluginJs from "@eslint/js";
+import tseslint from "typescript-eslint";
+import prettier from "eslint-plugin-prettier/recommended";
+import jsxa11y from "eslint-plugin-jsx-a11y";
+import inferno from "eslint-plugin-inferno";
+
+export default [
+  pluginJs.configs.recommended,
+  ...tseslint.configs.recommended,
+  prettier,
+  {
+    plugins: {
+      inferno: inferno,
+      rules: inferno.configs.recommended,
+    },
+  },
+  {
+    plugins: {
+      "jsx-a11y": jsxa11y,
+    },
+    rules: jsxa11y.configs.recommended.rules,
+  },
+  {
+    languageOptions: {
+      parser: tseslint.parser,
+    },
+  },
+  // For some reason this has to be in its own block
+  {
+    ignores: [
+      "crawl.mjs",
+      "generate_rss_feed.mjs",
+      "generate_translations.mjs",
+      "lemmy-js-client",
+      "webpack.config.js",
+      "tailwind.config.js",
+      "src/shared/build-config.js",
+      "src/api_tests",
+      "**/*.png",
+      "**/*.css",
+      "**/*.scss",
+      "**/*.svg",
+      "dist/*",
+      ".yalc/*",
+    ],
+  },
+  {
+    files: ["src/**/*.js", "src/**/*.mjs", "src/**/*.ts", "src/**/*.tsx"],
+    rules: {
+      "@typescript-eslint/ban-ts-comment": 0,
+      "@typescript-eslint/no-explicit-any": 0,
+      "@typescript-eslint/no-unused-vars": [
+        "error",
+        { argsIgnorePattern: "^_" },
+      ],
+      "explicit-module-boundary-types": 0,
+      "no-empty-function": 0,
+      "no-non-null-assertion": 0,
+      "arrow-body-style": 0,
+      curly: 0,
+      "eol-last": 0,
+      eqeqeq: "error",
+      "func-style": 0,
+      "import/no-duplicates": 0,
+      "max-statements": 0,
+      "max-params": 0,
+      "new-cap": 0,
+      "no-console": 0,
+      "no-duplicate-imports": 0,
+      "no-extra-parens": 0,
+      "no-return-assign": 0,
+      "no-throw-literal": 0,
+      "no-trailing-spaces": 0,
+      "no-unused-expressions": 0,
+      "no-useless-constructor": 0,
+      "no-useless-escape": 0,
+      "no-var": 0,
+      "prefer-const": "error",
+      "prefer-rest-params": 0,
+      "prettier/prettier": "error",
+      "quote-props": 0,
+      "unicorn/filename-case": 0,
+      "jsx-a11y/media-has-caption": 0,
+      "jsx-a11y/label-has-associated-control": 0,
+      "no-restricted-imports": [
+        "error",
+        {
+          patterns: [
+            {
+              group: ["assets/*", "client/*", "server/*", "shared/*"],
+              message: "Use relative import instead.",
+            },
+          ],
+        },
+      ],
+    },
+  },
+];

package.json

@@ -11,10 +11,13 @@
     "clean": "rimraf dist",
     "crawl": "node crawl.mjs",
     "update-donations": "node update_donations.mjs",
-    "lint": "node generate_translations.mjs && tsc --noEmit && eslint --report-unused-disable-directives --ext .js,.ts,.tsx src && prettier --check \"src/**/*.{ts,tsx,js,css,scss}\"",
-    "prebuild:dev": "pnpm clean && node generate_translations.mjs && pnpm tailwind && pnpm generate_rss_feed",
-    "prebuild:prod": "pnpm clean && node generate_translations.mjs && pnpm tailwind && pnpm generate_rss_feed",
+    "lint": "pnpm translations:generate && tsc --noEmit && pnpm eslint --report-unused-disable-directives && pnpm prettier --check \"src/**/*.{ts,tsx,js,mjs,css,scss}\"",
+    "prebuild:dev": "pnpm clean && pnpm translations:generate && pnpm tailwind && pnpm generate_rss_feed",
+    "prebuild:prod": "pnpm clean && pnpm translations:generate && pnpm tailwind && pnpm generate_rss_feed",
     "generate_rss_feed": "node generate_rss_feed.mjs",
+    "translations:generate": "node generate_translations.mjs",
+    "translations:init": "git submodule init && pnpm translations:update",
+    "translations:update": "git submodule update --remote --recursive",
     "tailwind": "tailwindcss -i ./src/style.css -o ./dist/styles/styles.css --minify",
     "prepare": "husky",
     "start": "pnpm build:dev --watch & tailwind --watch"
@@ -27,7 +30,7 @@
     "@babel/preset-env": "7.25.8",
     "@babel/preset-typescript": "^7.23.2",
     "@babel/runtime": "^7.23.2",
-    "@glidejs/glide": "3.6.2",
+    "@glidejs/glide": "3.5.2",
     "@tailwindcss/typography": "^0.5.10",
     "babel-loader": "^9.1.3",
     "babel-plugin-inferno": "^6.7.0",
@@ -73,6 +76,9 @@
     "@typescript-eslint/parser": "^8.0.0",
     "css-loader": "^7.0.0",
     "eslint": "^9.0.0",
+    "eslint-config-prettier": "^9.1.0",
+    "eslint-plugin-inferno": "^7.34.0",
+    "eslint-plugin-jsx-a11y": "^6.10.0",
     "eslint-plugin-prettier": "^5.0.1",
     "husky": "^9.0.6",
     "lint-staged": "^15.0.2",
@@ -84,6 +90,7 @@
     "style-loader": "^4.0.0",
     "terser": "^5.24.0",
     "typescript": "^5.2.2",
+    "typescript-eslint": "^8.9.0",
     "webpack-dev-server": "5.1.0"
   },
   "engines": {

src/client/index.tsx

@@ -7,7 +7,7 @@ import { getLanguageFromCookie, i18n } from "../shared/i18next";
 // If query param is set, server updates cookie automatically,
 // so no need to check the query here
 const languageCookie = getLanguageFromCookie(document.cookie);
-if (languageCookie != null) {
+if (languageCookie !== undefined) {
   i18n.changeLanguage(languageCookie);
 } else {
   i18n.changeLanguage(navigator.language);

src/server/index.tsx

@@ -35,7 +35,7 @@ server.use(
 server.use("/feed.xml", express.static(path.resolve("./dist/feed.xml")));
 
 function erudaInit(): string {
-  if (process.env["NODE_ENV"] == "development") {
+  if (process.env["NODE_ENV"] === "development") {
     return `
         <script src="//cdn.jsdelivr.net/npm/eruda"></script>
         <script>eruda.init();</script>
@@ -49,12 +49,12 @@ function setLanguage(req: Request, res: Response): string {
   // Setting the language for non-js browsers
   const cookieLang = getLanguageFromCookie(req.headers.cookie);
   let language: string;
-  if (req.query["lang"] != null) {
+  if (req.query["lang"] !== undefined) {
     language = req.query["lang"].toString();
     res.cookie("lang", language, {
       expires: new Date(Date.now() + 60 * 60 * 24 * 7),
     });
-  } else if (cookieLang != null) {
+  } else if (cookieLang !== undefined) {
     language = cookieLang;
   } else {
     language = req.headers["accept-language"]

src/shared/components/apps.tsx

@@ -37,6 +37,7 @@ const AppDetailsTitle = ({ app }: AppDetailsCardProps) => (
     <img
       src={app.icon || "/static/assets/images/lemmy.svg"}
       className="rounded-xl w-7 h-7"
+      alt=""
     />
     <a href={app.link} className={`card-title text-2xl ${TEXT_GRADIENT}`}>
       {app.name}
@@ -68,9 +69,10 @@ const AppDetailsCard = ({ app }: AppDetailsCardProps) => (
       <img
         src={app.banner || "/static/assets/images/lemmy.svg"}
         className="rounded-xl max-h-96 mb-2"
+        alt=""
       />
       <p className="text-sm text-gray-300 mb-2">{app.description}</p>
-      {app.sourceType == SourceType.Closed && (
+      {app.sourceType === SourceType.Closed && (
         <div className="alert alert-warning">
           <Icon icon="alert-octagon" />
           <span>{i18n.t("closed_source_warning")}</span>
@@ -209,7 +211,7 @@ export class Apps extends Component<any, State> {
 }
 
 function handlePlatformChange(i: Apps, event: any) {
-  let platform: Platform = (event.target.value as Platform) ?? Platform.All;
+  const platform: Platform = (event.target.value as Platform) ?? Platform.All;
   i.setState({
     platform,
   });

src/shared/components/crypto.tsx

@@ -39,7 +39,7 @@ const QrModal = ({ name, imgData }) => (
         </button>
       </form>
       <div className="container mx-auto">
-        <img className="w-auto" src={imgData} />
+        <img className="w-auto" src={imgData} alt="" />
       </div>
     </div>
   </dialog>
@@ -56,7 +56,7 @@ export class Crypto extends Component<any, State> {
   }
 
   async componentDidMount() {
-    let cryptoQr = new Map<string, string>();
+    const cryptoQr = new Map<string, string>();
     for (const c of CRYPTOS) {
       cryptoQr.set(c.name, await QRCode.toDataURL(c.address));
     }

src/shared/components/donate.tsx

@@ -149,7 +149,7 @@ const GoldSponsorCards = ({ title, sponsors, color }: GoldSponsorCardsProps) =>
             <div className="flex flex-wrap flex-row justify-center">
               {s.avatar && (
                 <div className="avatar w-auto h-8">
-                  <img src={s.avatar} className="rounded" />
+                  <img src={s.avatar} className="rounded" alt="" />
                 </div>
               )}
               <span className="text-xs">{s.name}</span>
@@ -268,13 +268,13 @@ export class Donate extends Component<any, any> {
 }
 
 function convertTranslators(): Translation[] {
-  let trans: Translation[] = [];
+  const trans: Translation[] = [];
   for (const [key, value] of Object.entries(translators)) {
-    let split = key.split("_");
-    let lang = split[0];
-    let country = split[1] !== undefined ? split[1].toUpperCase() : undefined;
+    const split = key.split("_");
+    const lang = split[0];
+    const country = split[1] !== undefined ? split[1].toUpperCase() : undefined;
 
-    let t: Translation = {
+    const t: Translation = {
       lang,
       country,
       translators: value,

src/shared/components/instance-picker.tsx

@@ -48,7 +48,7 @@ export class InstancePicker extends Component<Props, State> {
             </button>
           </form>
           <div className="container mx-auto">
-            {this.state.activeStep == Step.Interest && (
+            {this.state.activeStep === Step.Interest && (
               <>
                 <p className="text-2xl font-bold text-center pb-4">
                   {i18n.t("what_topic")}
@@ -67,7 +67,7 @@ export class InstancePicker extends Component<Props, State> {
                 </div>
               </>
             )}
-            {this.state.activeStep == Step.Language && (
+            {this.state.activeStep === Step.Language && (
               <>
                 <p className="text-2xl font-bold text-center pb-4">
                   {i18n.t("what_language")}
@@ -94,21 +94,25 @@ export class InstancePicker extends Component<Props, State> {
             )}
 
             <ul className="steps steps-vertical lg:steps-horizontal w-full">
-              <li
+              <li>
+                <button
                   onClick={linkEvent(this, handleResetInterests)}
                   className={classNames("step text-gray-300", {
-                  "step-primary": this.state.activeStep == Step.Interest,
+                    "step-primary": this.state.activeStep === Step.Interest,
                   })}
                 >
                   {i18n.t("interests")}
+                </button>
               </li>
-              <li
+              <li>
+                <button
                   onClick={linkEvent(this, handleResetInterests)}
                   className={classNames("step text-gray-300", {
-                  "step-primary": this.state.activeStep == Step.Language,
+                    "step-primary": this.state.activeStep === Step.Language,
                   })}
                 >
                   {i18n.t("languages")}
+                </button>
               </li>
             </ul>
           </div>
@@ -120,7 +124,7 @@ export class InstancePicker extends Component<Props, State> {
 
 function handleTopicChange(i: InstancePicker, event: any) {
   i.setState({
-    topic: TOPICS.find(c => c.name == event.target.value) ?? ALL_TOPIC,
+    topic: TOPICS.find(c => c.name === event.target.value) ?? ALL_TOPIC,
     activeStep: Step.Language,
   });
 }

src/shared/components/instances.tsx

@@ -194,7 +194,7 @@ const imgError =
 
 const InstanceIcon = ({ domain, icon }) => (
   <a className="rounded-xl bg-neutral-800 p-4" href={buildUrl(domain)}>
-    <img className="w-24 h-24" src={icon} onError={imgError} />
+    <img className="w-24 h-24" src={icon} onError={imgError} alt="" />
   </a>
 );
 
@@ -257,11 +257,11 @@ export const StatsBadges = ({ users, comments, monthlyUsers }) => (
 );
 
 function registrationModeToString(registrationMode: string): string {
-  if (registrationMode == "Open") {
+  if (registrationMode === "Open") {
     return i18n.t("registrations_open");
-  } else if (registrationMode == "Closed") {
+  } else if (registrationMode === "Closed") {
     return i18n.t("registrations_closed");
-  } else if (registrationMode == "RequireApplication") {
+  } else if (registrationMode === "RequireApplication") {
     return i18n.t("requires_application");
   } else {
     return i18n.t("registrations_open");
@@ -293,10 +293,13 @@ export const DetailsModal = ({
         <img
           src={banner}
           className="object-cover w-full h-48 rounded-xl mb-3"
+          alt=""
         />
       )}
       <div className="flex flex-row flex-wrap gap-4 mb-3 items-center">
-        {icon && <img className="w-8 h-8" src={icon} onError={imgError} />}
+        {icon && (
+          <img className="w-8 h-8" src={icon} onError={imgError} alt="" />
+        )}
         <StatsBadges
           users={users}
           comments={comments}
@@ -375,11 +378,11 @@ interface Props {
 }
 
 function getSortFromQuery(sort?: string): Sort {
-  return SORTS.find(s => s.name == sort) ?? RANDOM_SORT;
+  return SORTS.find(s => s.name === sort) ?? RANDOM_SORT;
 }
 
 function getTopicFromQuery(topic?: string): Topic {
-  return TOPICS.find(c => c.name == topic) ?? ALL_TOPIC;
+  return TOPICS.find(c => c.name === topic) ?? ALL_TOPIC;
 }
 
 function getInstancesQueryParams() {
@@ -459,9 +462,9 @@ export class Instances extends Component<Props, State> {
     instances = instances.filter(i => !this.isOpenInstance(i));
 
     // Sort
-    if (this.state.sort == RANDOM_SORT) {
+    if (this.state.sort === RANDOM_SORT) {
       instances = sortRandom(instances);
-    } else if (this.state.sort == MOST_ACTIVE_SORT) {
+    } else if (this.state.sort === MOST_ACTIVE_SORT) {
       instances = sortActive(instances);
     } else {
       instances = sortActive(instances).reverse();
@@ -570,14 +573,14 @@ export class Instances extends Component<Props, State> {
 
 function handleSortChange(i: Instances, event: any) {
   i.setState({
-    sort: SORTS.find(s => s.name == event.target.value) ?? RANDOM_SORT,
+    sort: SORTS.find(s => s.name === event.target.value) ?? RANDOM_SORT,
   });
   i.buildInstanceList();
 }
 
 function handleTopicChange(i: Instances, event: any) {
   i.setState({
-    topic: TOPICS.find(c => c.name == event.target.value) ?? ALL_TOPIC,
+    topic: TOPICS.find(c => c.name === event.target.value) ?? ALL_TOPIC,
   });
   i.buildInstanceList();
 }

src/shared/components/main.tsx

@@ -50,6 +50,7 @@ const CarouselBlock = () => (
                 "border-primary/[.15]": i & 1,
                 "border-secondary/[.15]": !(i & 1),
               })}
+              alt=""
             />
           ))}
         </ul>
@@ -116,7 +117,11 @@ const FollowCommunitiesBlock = ({ i }: MainProps) => (
 const FeatureCard = ({ pic, title, subtitle, classes }) => (
   <div className={`card ${CARD_GRADIENT} shadow-xl ${classes}`}>
     <div className="p-4">
-      <img src={pic} className="rounded-xl w-full object-fill min-h-[300px]" />
+      <img
+        src={pic}
+        className="rounded-xl w-full object-fill min-h-[300px]"
+        alt=""
+      />
     </div>
     <div className="card-body pt-0">
       <h2 className="card-title text-secondary">{title}</h2>
@@ -500,6 +505,7 @@ export class Main extends Component<Props, State> {
         <img
           src="/static/assets/images/world_background.svg"
           className="bg-top bg-no-repeat bg-contain opacity-20 absolute"
+          alt=""
         />
         <div className="container mx-auto px-4">
           <TitleBlock i={this} />

src/shared/components/navbar.tsx

@@ -72,7 +72,11 @@ export const Navbar = ({ footer = false }) => (
   >
     <div className="navbar-start">
       <Link className="btn btn-ghost normal-case text-xl" to="/">
-        <img src="/static/assets/images/lemmy.svg" className="h-12 w-12" />
+        <img
+          src="/static/assets/images/lemmy.svg"
+          className="h-12 w-12"
+          alt=""
+        />
       </Link>
     </div>
     <div className="navbar-center hidden lg:flex">
@@ -111,13 +115,10 @@ export const Navbar = ({ footer = false }) => (
           "dropdown-top": footer,
         })}
       >
-        <label tabIndex={0} className="btn btn-ghost lg:hidden">
+        <label className="btn btn-ghost lg:hidden">
           <Icon icon="align-right" size={IconSize.Large} />
         </label>
-        <ul
-          tabIndex={0}
-          className="menu menu-sm dropdown-content z-[1] p-2 shadow bg-neutral-800 rounded-box w-52 items-center mt-3 "
-        >
+        <ul className="menu menu-sm dropdown-content z-[1] p-2 shadow bg-neutral-800 rounded-box w-52 items-center mt-3 ">
           <NavLinks />
         </ul>
       </div>

src/shared/components/news-item.tsx

@@ -22,7 +22,7 @@ export class NewsItem extends Component<any, any> {
   }
 
   get markdown(): string {
-    return news_md.find(v => v.title == this.title)?.markdown ?? "";
+    return news_md.find(v => v.title === this.title)?.markdown ?? "";
   }
 
   render() {

src/shared/components/news.tsx

@@ -18,7 +18,7 @@ interface NewsInfo {
 
 function buildNewsInfoArray(): Array<NewsInfo> {
   return news_reversed.map(n => {
-    let split = n.title.split(" - ");
+    const split = n.title.split(" - ");
 
     return {
       dateStr: split[0],
@@ -48,7 +48,11 @@ const TitleBlock = () => (
   <div className="pt-16 text-center text-4xl font-bold mb-8">
     {title}
     <a href="/feed.xml" className="ml-4 inline-block">
-      <img src="/static/assets/images/rss.svg" width={24} />
+      <img
+        src="/static/assets/images/rss.svg"
+        width={24}
+        alt={i18n.t("rss_feeds")}
+      />
     </a>
   </div>
 );

src/shared/i18next.ts

@@ -72,17 +72,11 @@ export const i18n = i18next as i18nTyped;
 export { resources };
 
 // https://gist.github.com/hunan-rostomyan/28e8702c1cecff41f7fe64345b76f2ca
-export function getLanguageFromCookie(cookies?: string): string | null {
-  if (cookies == null) {
-    return null;
-  }
-
+export function getLanguageFromCookie(cookies?: string): string | undefined {
   const key = "lang=";
-  return (
-    cookies
-      .split(";")
+  return cookies
+    ?.split(";")
     .map(c => c.trim())
     .filter(cookie => cookie.substring(0, key.length) === key)
-      .map(cookie => cookie.substring(key.length))[0] || null
-  );
+    .map(cookie => cookie.substring(key.length))[0];
 }

src/shared/utils.ts

@@ -6,7 +6,7 @@ import markdown_it_ruby from "markdown-it-ruby";
 import markdown_it_sub from "markdown-it-sub";
 import markdown_it_sup from "markdown-it-sup";
 
-let SHORTNUM_SI_FORMAT = new Intl.NumberFormat("en-US", {
+const SHORTNUM_SI_FORMAT = new Intl.NumberFormat("en-US", {
   maximumFractionDigits: 1,
   //@ts-ignore
   notation: "compact",