Add eslint

Author: ohakutsu

.eslintignore

@@ -0,0 +1,2 @@
+dist
+tmp

.eslintrc.js

@@ -0,0 +1,91 @@
+module.exports = {
+  env: {
+    browser: true,
+    es2020: true,
+    node: true,
+  },
+  extends: [
+    "eslint:recommended",
+    "plugin:@typescript-eslint/recommended",
+    "plugin:react/recommended",
+    "plugin:react/jsx-runtime",
+    "plugin:react-hooks/recommended",
+  ],
+  parser: "@typescript-eslint/parser",
+  plugins: ["@typescript-eslint", "react"],
+  rules: {
+    // See https://github.com/emotion-js/emotion/issues/2878
+    "react/no-unknown-property": ["error", { ignore: ["css"] }],
+  },
+  settings: {
+    react: {
+      version: "detect",
+    },
+  },
+
+  // TODO
+  overrides: [
+    {
+      rules: {
+        "@typescript-eslint/no-unused-vars": "off",
+      },
+      files: [
+        "src/client/components/Article.tsx",
+        "src/client/components/SidebarContents.tsx",
+        "src/client/templates/Sidebar.tsx",
+        "src/commands/login.ts",
+        "src/commands/preview.ts",
+        "src/commands/publish.ts",
+        "src/commands/pull.ts",
+        "src/lib/file-system-repo.test.ts",
+        "src/lib/file-system-repo.ts",
+        "src/server/api/items.ts",
+        "src/server/api/readme.ts",
+        "src/server/app.ts",
+        "src/server/lib/get-current-user.ts",
+      ],
+    },
+    {
+      rules: {
+        "react-hooks/exhaustive-deps": "off",
+      },
+      files: [
+        "src/client/components/HotReloadRoot.tsx",
+        "src/client/components/SidebarArticles.tsx",
+        "src/client/components/Snackbar.tsx",
+        "src/client/components/Tooltip.tsx",
+      ],
+    },
+    {
+      rules: {
+        "@typescript-eslint/no-explicit-any": "off",
+      },
+      files: [
+        "src/client/lib/embed-init-scripts.ts",
+        "src/lib/config.test.ts",
+        "src/lib/config.ts",
+        "src/lib/file-system-repo.test.ts",
+        "src/lib/file-system-repo.ts",
+        "src/server/api/readme.ts",
+      ],
+    },
+    {
+      rules: {
+        "@typescript-eslint/ban-types": "off",
+      },
+      files: ["src/client/lib/entries.ts"],
+    },
+    {
+      rules: {
+        "no-prototype-builtins": "off",
+      },
+      files: ["src/commands/index.ts"],
+    },
+    {
+      rules: {
+        "@typescript-eslint/no-var-requires": "off",
+      },
+      files: ["src/lib/package-settings.ts"],
+    },
+  ],
+};

package.json

@@ -31,7 +31,12 @@
     "@types/react-dom": "^18.0.11",
     "@types/webpack": "^5.28.0",
     "@types/ws": "^8.5.4",
+    "@typescript-eslint/eslint-plugin": "^6.0.0",
+    "@typescript-eslint/parser": "^6.0.0",
     "classnames": "^2.3.2",
+    "eslint": "^8.44.0",
+    "eslint-plugin-react": "^7.32.2",
+    "eslint-plugin-react-hooks": "^4.6.0",
     "html-webpack-plugin": "^5.5.0",
     "husky": "^8.0.3",
     "jest": "^29.4.3",
@@ -54,9 +59,10 @@
     "dev:client": "webpack --watch",
     "dev:server": "tsc --build --watch",
     "dev": "run-p dev:*",
-    "format": "prettier --write .",
+    "format": "eslint --fix . && prettier --write .",
     "lint": "run-p lint:*",
-    "lint:format": "prettier --check .",
+    "lint:prettier": "prettier --check .",
+    "lint:eslint": "eslint .",
     "lint:typecheck": "tsc --noEmit",
     "prepare": "husky install",
     "qiita": "node dist/main.js",

webpack.config.js

@@ -1,3 +1,4 @@
+/* eslint-disable @typescript-eslint/no-var-requires */
 const path = require("path");
 const HtmlWebpackPlugin = require("html-webpack-plugin");