build(deps): add eslint

.eslintrc.cjs

@@ -0,0 +1,68 @@
+module.exports = {
+  root: true,
+  parser: "@typescript-eslint/parser",
+  parserOptions: {
+    project: ["./tsconfig.json"],
+    ecmaVersion: 2016,
+  },
+  plugins: ["@typescript-eslint", "prefer-arrow"],
+  extends: [
+    "eslint:recommended",
+    "plugin:@typescript-eslint/recommended",
+    "plugin:@typescript-eslint/recommended-requiring-type-checking",
+    "plugin:security/recommended-legacy",
+    "prettier",
+  ],
+  ignorePatterns: ["*.js"],
+  env: {
+    browser: true,
+    es2016: true,
+    node: true,
+  },
+  rules: {
+    "@typescript-eslint/no-misused-promises": [
+      "error",
+      { checksVoidReturn: false },
+    ],
+    "@typescript-eslint/no-unsafe-argument": "off",
+    "@typescript-eslint/naming-convention": [
+      "error",
+      {
+        selector: "interface",
+        format: ["PascalCase"],
+        prefix: ["I"],
+      },
+      {
+        selector: "typeLike",
+        format: ["PascalCase"],
+      },
+      {
+        selector: "variableLike",
+        format: ["camelCase", "UPPER_CASE"],
+        leadingUnderscore: "allow",
+      },
+    ],
+    "@typescript-eslint/prefer-ts-expect-error": "error",
+    "prefer-arrow/prefer-arrow-functions": [
+      "error",
+      {
+        disallowPrototype: true,
+        singleReturnOnly: false,
+        classPropertiesAllowed: false,
+      },
+    ],
+    eqeqeq: "error",
+    curly: ["error", "all"],
+    "no-console": ["warn", { allow: ["warn", "error"] }],
+    "no-eval": "error",
+    "brace-style": ["error", "1tbs"],
+    "arrow-body-style": ["error", "as-needed"],
+    "object-shorthand": ["error", "always"],
+    "no-lonely-if": "error",
+    "prefer-const": "error",
+    "prefer-arrow-callback": "error",
+    "no-var": "error",
+    "default-case-last": "warn",
+    "no-nested-ternary": "warn",
+  },
+};