feat: move config to package.json

.eslintrc.cjs

@@ -1,50 +0,0 @@
-/** @type {import("eslint").Linter.Config} */
-module.exports = {
-  root: true,
-  parser: "@typescript-eslint/parser",
-  plugins: ["isaacscript", "import"],
-  extends: [
-    "plugin:@typescript-eslint/recommended-type-checked",
-    "plugin:@typescript-eslint/stylistic-type-checked",
-    "plugin:prettier/recommended",
-  ],
-  parserOptions: {
-    ecmaVersion: "latest",
-    sourceType: "module",
-    tsconfigRootDir: __dirname,
-    project: ["./tsconfig.json"],
-  },
-  overrides: [],
-  rules: {
-    // These off/not-configured-the-way-we-want lint rules we like & opt into
-    "@typescript-eslint/no-explicit-any": "error",
-    // Note: you must disable the base rule as it can report incorrect errors
-    "no-unused-vars": "off",
-    "@typescript-eslint/no-unused-vars": [
-      "warn",
-      {
-        argsIgnorePattern: "^_",
-        destructuredArrayIgnorePattern: "^_",
-        varsIgnorePattern: "^_",
-        ignoreRestSiblings: true,
-      },
-    ],
-    "@typescript-eslint/consistent-type-imports": [
-      "error",
-      { prefer: "type-imports", fixStyle: "inline-type-imports" },
-    ],
-    "import/consistent-type-specifier-style": ["error", "prefer-top-level"],
-    "@typescript-eslint/consistent-type-definitions": ["error", "type"],
-
-    // For educational purposes we format our comments/jsdoc nicely
-    "isaacscript/complete-sentences-jsdoc": "warn",
-    "isaacscript/format-jsdoc-comments": "warn",
-
-    // These lint rules don't make sense for us but are enabled in the preset configs
-    "@typescript-eslint/no-confusing-void-expression": "off",
-    "@typescript-eslint/restrict-template-expressions": "off",
-
-    // This rule doesn't seem to be working properly
-    "@typescript-eslint/prefer-nullish-coalescing": "off",
-  },
-};

package.json

@@ -15,6 +15,64 @@
     "lint": "eslint . --report-unused-disable-directives",
     "lint:fix": "eslint . --report-unused-disable-directives --fix"
   },
+  "prettier": {
+    "plugins": [
+      "@ianvs/prettier-plugin-sort-imports",
+      "prettier-plugin-tailwindcss"
+    ]
+  },
+  "eslintConfig": {
+    "root": true,
+    "parser": "@typescript-eslint/parser",
+    "plugins": [
+      "isaacscript",
+      "import"
+    ],
+    "extends": [
+      "plugin:@typescript-eslint/recommended-type-checked",
+      "plugin:@typescript-eslint/stylistic-type-checked",
+      "plugin:prettier/recommended"
+    ],
+    "parserOptions": {
+      "ecmaVersion": "latest",
+      "sourceType": "module",
+      "project": [
+        "./tsconfig.json"
+      ]
+    },
+    "rules": {
+      "@typescript-eslint/no-explicit-any": "error",
+      "no-unused-vars": "off",
+      "@typescript-eslint/no-unused-vars": [
+        "warn",
+        {
+          "argsIgnorePattern": "^_",
+          "destructuredArrayIgnorePattern": "^_",
+          "varsIgnorePattern": "^_",
+          "ignoreRestSiblings": true
+        }
+      ],
+      "@typescript-eslint/consistent-type-imports": [
+        "error",
+        {
+          "prefer": "type-imports",
+          "fixStyle": "separate-type-imports"
+        }
+      ],
+      "import/consistent-type-specifier-style": [
+        "error",
+        "prefer-top-level"
+      ],
+      "@typescript-eslint/consistent-type-definitions": [
+        "error",
+        "type"
+      ],
+      "isaacscript/complete-sentences-jsdoc": "warn",
+      "isaacscript/format-jsdoc-comments": "warn",
+      "@typescript-eslint/no-confusing-void-expression": "off",
+      "@typescript-eslint/restrict-template-expressions": "off"
+    }
+  },
   "postcss": {
     "plugins": {
       "tailwindcss": {}

prettier.config.cjs

@@ -1,7 +0,0 @@
-/** @type {import("prettier").Config} */
-module.exports = {
-  plugins: [
-    "@ianvs/prettier-plugin-sort-imports",
-    "prettier-plugin-tailwindcss",
-  ],
-};

tsconfig.json

@@ -11,6 +11,7 @@
     "noEmit": true,
     "composite": true,
     "strict": true,
+    "strictNullChecks": true,
     "downlevelIteration": true,
     "skipLibCheck": true,
     "jsx": "react",