.eslintrc.json

{
    "env": {
        "react-native/react-native": true
    },
    "extends": [
        "eslint:recommended",
        "plugin:react/recommended",
        "plugin:promise/recommended",
        "plugin:import/errors",
        "plugin:import/warnings",
        "plugin:import/typescript",
        "plugin:eslint-comments/recommended"
    ],
    "parser": "@babel/eslint-parser",
    "parserOptions": {
        "ecmaFeatures": {
            "jsx": true
        },
        "ecmaVersion": 2020,
        "sourceType": "module"
    },
    "plugins": [
        "react",
        "react-native",
        "promise",
        "import",
        "eslint-comments"
    ],
    "settings": {
        "react": {
            "version": "detect"
        },
        "jest": {
            "version": "detect"
        }
    },
    "rules": {
        "react/prop-types": ["error"],
        "jsx-quotes": ["error", "prefer-single"],

        "react-native/no-unused-styles": ["error"],
        "react-native/split-platform-components": ["error"],
        "react-native/no-color-literals": ["error"],
        "react-native/no-raw-text": ["error"],

        "import/order": ["error", {
            "alphabetize": { "order": "asc", "caseInsensitive": true },
            "newlines-between": "always-and-inside-groups"
        }],

        "array-bracket-spacing": ["error", "always", { "objectsInArrays": false, "arraysInArrays": false }],
        "array-callback-return": ["error"],
        "arrow-spacing": ["error"],
        "block-spacing": ["error"],
        "brace-style": ["error", "1tbs", { "allowSingleLine": true }],
        "comma-dangle": ["error", "never"],
        "comma-spacing": ["error"],
        "curly": ["error", "multi-line"],
        "default-case-last": ["error"],
        "dot-location": ["error", "property"],
        "eol-last": ["error"],
        "indent": ["error", "tab", { "SwitchCase": 1 }],
        "key-spacing": ["error"],
        "keyword-spacing": ["error"],
        "max-params": ["error", { "max": 7 }],
        "max-statements-per-line": ["error"],
        "no-duplicate-imports": ["error"],
        "no-empty-function": ["error"],
        "no-floating-decimal": ["error"],
        "no-multi-spaces": ["error"],
        "no-multiple-empty-lines": ["error", { "max": 1 }],
        "no-nested-ternary": ["error"],
        "no-redeclare": ["error"],
        "no-return-await": ["error"],
        "no-sequences": ["error"],
        "no-shadow": ["error"],
        "no-throw-literal": ["error"],
        "no-trailing-spaces": ["error"],
        "no-unreachable": ["error"],
        "no-unused-expressions": ["error", { "allowShortCircuit": true, "allowTernary": true, "allowTaggedTemplates": true }],
        "no-unused-vars": ["error"],
        "no-var": ["error"],
        "no-void": ["error"],
        "object-curly-spacing": ["error", "always"],
        "one-var": ["error", "never"],
        "padded-blocks": ["error", "never"],
        "prefer-const": ["error", { "destructuring": "all" }],
        "quote-props": ["error", "as-needed"],
        "quotes": ["error", "single", { "avoidEscape": true, "allowTemplateLiterals": false }],
        "radix": ["error"],
        "semi": ["error"],
        "space-before-blocks": ["error"],
        "space-before-function-paren": ["error", { "anonymous": "never", "named": "never", "asyncArrow": "always" }],
        "space-in-parens": ["error"],
        "space-infix-ops": ["error"],
        "yoda": ["error"]
    },
    "ignorePatterns": [ "coverage" ],
    "overrides": [
        {
            "files": [ "./**/*.js" ],
            "globals": {
                "AbortController": "readonly",
                "URL": "readonly",
                "URLSearchParams": "readonly"
            }
        },
        {
            "files": [ "jest.setup.js", "./**/*.test.js" ],
            "plugins": [ "jest" ],
            "env": {
                "jest/globals": true
            },
            "globals": {
                "fetch": "readonly"
            },
            "extends": [
                "plugin:jest/recommended",
                "plugin:jest/style"
            ],
            "rules": {
                "jest/consistent-test-it": ["error"],
                "jest/lowercase-name": ["error", { "ignoreTopLevelDescribe": true }],
                "jest/require-top-level-describe": ["error"]
            }
        },
        {
            "files": [ "./assets/**/*.staticjs" ],
            "extends": [
                "plugin:compat/recommended"
            ],
            "globals": {
                "postExpoEvent": "readonly"
            },
            "env": {
                "react-native/react-native": false,
                "browser": true,
                "es6": true
            }
        },
        {
            "files": [
                "./**/*.ts",
                "./**/*.tsx"
            ],
            "parser": "@typescript-eslint/parser",
            "plugins": [ "@typescript-eslint" ],
            "extends": [
                "eslint:recommended",
                "plugin:@typescript-eslint/recommended",
                "plugin:react/recommended",
                "plugin:promise/recommended",
                "plugin:import/errors",
                "plugin:import/warnings",
                "plugin:import/typescript",
                "plugin:eslint-comments/recommended"
            ]
        }
    ]
}