feat(eslint): add eslint

Author: ArturKalach

.eslintignore

@@ -0,0 +1,4 @@
+lib
+.eslintrc.js
+babel.config.js
+metro.config.js

.eslintrc.js

@@ -0,0 +1,90 @@
+module.exports = {
+  root: true,
+  parser: "@typescript-eslint/parser",
+  parserOptions: {
+    project: "./tsconfig.json",
+    tsconfigRootDir: "./",
+  },
+  extends: [
+    "airbnb",
+    "@react-native-community",
+    "prettier",
+    "plugin:@typescript-eslint/eslint-recommended",
+    "plugin:@typescript-eslint/recommended",
+    "plugin:import/typescript",
+    "plugin:jest/recommended",
+  ],
+  plugins: ["@typescript-eslint", "prettier", "import"],
+  rules: {
+    complexity: ["error", 8],
+    "import/order": "off",
+    "import/extensions": 0,
+    "react/jsx-filename-extension": [
+      2,
+      {
+        extensions: [".js", ".jsx", ".ts", ".tsx", ".d.ts"],
+      },
+    ],
+    "import/no-unresolved": [
+      2,
+      {
+        "ignore": ["@env"]
+      }
+    ],
+    "arrow-body-style": 0,
+    "import/prefer-default-export": 0,
+    "eslint-comments/no-unlimited-disable": 0,
+    "@typescript-eslint/no-unused-vars": [
+      "error",
+      {
+        argsIgnorePattern: "_",
+        varsIgnorePattern: "_",
+      },
+    ],
+    "react/jsx-key": [
+      "error",
+      {
+        checkFragmentShorthand: true,
+      },
+    ],
+    "@typescript-eslint/ban-types": [
+      "error",
+      {
+        types: {
+          object: false,
+          Function: false,
+          "{}": false,
+        },
+        extendDefaults: true,
+      },
+    ],
+    "jsx-a11y/anchor-is-valid": 0,
+    "@typescript-eslint/ban-ts-comment": [
+      "error",
+      { "ts-ignore": "allow-with-description" },
+    ],
+    "class-methods-use-this": 0,
+    "import/no-cycle": 0,
+    "no-shadow": "off",
+    "@typescript-eslint/no-shadow": ["error"],
+    "no-param-reassign": [2, { props: false }],
+    "react/require-default-props": "off",
+    "react/no-unused-prop-types": 0,
+    "import/no-extraneous-dependencies": 0
+  },
+  "settings": {
+    "import/parsers": {
+      "@typescript-eslint/parser": [".ts", ".tsx"]
+    },
+    "import/resolver": {
+      "typescript": {
+        "alwaysTryTypes": true, // always try to resolve types under `<root>@types` directory even it doesn't contain any source code, like `@types/unist`
+
+        // Choose from one of the "project" configs below or omit to use <root>/tsconfig.json by default
+
+        // use <root>/path/to/folder/tsconfig.json
+        "project": "./",
+      }
+    }
+  }
+};