.eslintrc.js

module.exports = {
    "env": {},
    "parser": "@typescript-eslint/parser",
    "parserOptions": {
        "project": {
            "extends": "tsconfig.json",
            "include": [
              "**/*.ts"
            ],
            "exclude": [
                "**/*.d.ts",
                "**/dist/**/*",
                "**/node_modules/**/*",
                "test-packages/test-services/**/*",
                "test-packages/test-services-e2e/**/*",
                "packages/core/test/test-util/test-services/**/*"
            ]
        },
        "sourceType": "module"
    },
    "ignorePatterns": [
        "dist",
        "node_modules",
        "packages/core/test/test-util/test-services",
        "test-packages/test-services",
        "test-packages/test-services-e2e"
    ],
    "plugins": [
        "@typescript-eslint",
        "header",
        "import",
        "prettier",
        "unused-imports"
    ],
    "overrides": [
        {
            "files": ["**/test/**/*"],
            "rules": {
                "import/no-internal-modules": "off",
                "no-unused-expressions": "off"
            }
        }
    ],
    "rules": {
        "@typescript-eslint/adjacent-overload-signatures": "error",
        "@typescript-eslint/array-type": "error",
        "@typescript-eslint/ban-types": "error",
        "@typescript-eslint/class-name-casing": "off",
        "@typescript-eslint/consistent-type-assertions": "off",
        "@typescript-eslint/consistent-type-definitions": "error",
        "@typescript-eslint/explicit-member-accessibility": [
            "off",
            {
                "accessibility": "explicit"
            }
        ],
        // "@typescript-eslint/indent": [
        //     "error",
        //     2,
        //     {
        //         "ObjectExpression": "first",
        //         "FunctionDeclaration": {
        //             "parameters": "first"
        //         },
        //         "FunctionExpression": {
        //             "parameters": "first"
        //         }
        //     }
        // ],
        "@typescript-eslint/interface-name-prefix": "off",
        "@typescript-eslint/member-delimiter-style": [
            "error",
            {
                "multiline": {
                    "delimiter": "semi",
                    "requireLast": true
                },
                "singleline": {
                    "delimiter": "semi",
                    "requireLast": false
                }
            }
        ],
        "@typescript-eslint/member-ordering": [
            "error",
            {
                "default": [
                    // Index signature
                    'signature',

                    // Static
                    'public-static-field',
                    'protected-static-field',
                    'private-static-field',
                    'public-static-method',
                    'protected-static-method',
                    'private-static-method',

                    // Fields
                    'public-instance-field',
                    'protected-instance-field',
                    'private-instance-field',
                    'public-abstract-field',
                    'protected-abstract-field',
                    'private-abstract-field',

                    // Constructors
                    'public-constructor',
                    'protected-constructor',
                    'private-constructor',

                    // Methods
                    'public-instance-method',
                    'protected-instance-method',
                    'private-instance-method',
                    'public-abstract-method',
                    'protected-abstract-method',
                    'private-abstract-method',
                  ]
            }
        ],
        "@typescript-eslint/no-empty-function": "error",
        "@typescript-eslint/no-empty-interface": "error",
        "@typescript-eslint/no-explicit-any": "off",
        "@typescript-eslint/no-inferrable-types": "error",
        "@typescript-eslint/no-misused-new": "error",
        "@typescript-eslint/no-namespace": "off",
        "@typescript-eslint/no-non-null-assertion": "off",
        "@typescript-eslint/no-parameter-properties": "off",
        "@typescript-eslint/no-this-alias": "error",
        "@typescript-eslint/no-use-before-define": "off",
        "@typescript-eslint/no-var-requires": "error",
        "@typescript-eslint/prefer-for-of": "error",
        "@typescript-eslint/prefer-function-type": "error",
        "@typescript-eslint/prefer-namespace-keyword": "error",
        "@typescript-eslint/quotes": [
            "error",
            "single",
            {
                "avoidEscape": true
            }
        ],
        "@typescript-eslint/semi": [
            "error",
            "always"
        ],
        "@typescript-eslint/triple-slash-reference": "error",
        "@typescript-eslint/type-annotation-spacing": "error",
        "@typescript-eslint/unified-signatures": "error",
        "arrow-body-style": "error",
        "arrow-parens": [
            "off",
            "as-needed"
        ],
        "brace-style": "error",
        "camelcase": "off",
        "comma-dangle": "off",
        "complexity": "off",
        "constructor-super": "error",
        "curly": "error",
        "dot-notation": "off",
        "eol-last": "error",
        "eqeqeq": [
            "error",
            "smart"
        ],
        "guard-for-in": "off",
        "header/header": [
            "error",
            "block",
            {
                "pattern": "Copyright \\(c\\) \\d{4} SAP SE or an SAP affiliate company. All rights reserved. ",
                "template": "Copyright (c) 2020 SAP SE or an SAP affiliate company. All rights reserved. ",
                "lineEndings": "unix"
            }
        ],
        "id-blacklist": "off",
        "id-match": "off",
        "import/no-absolute-path" : "error",
        "import/named" : "error",
        "import/no-extraneous-dependencies": "off",
        "import/no-internal-modules": "error",
        "import/order": "error",
        "indent": "off",
        // Does not work for typescript yet
        // "lines-around-comment": [
        //     "error",
        //     {
        //         "beforeBlockComment": true,
        //         "beforeLineComment": true,
        //         "allowBlockStart": true,
        //         "allowBlockEnd": true,
        //         "allowObjectStart": true,
        //         "allowObjectEnd": true,
        //         "allowArrayStart": true,
        //         "allowArrayEnd": true,
        //         "allowClassStart": true,
        //         "allowClassEnd": true
        //     }
        // ],
        "max-classes-per-file": [
            "error",
            1
        ],
        "max-len": "off",
        "new-parens": "error",
        "no-bitwise": "error",
        "no-caller": "error",
        "no-cond-assign": "error",
        "no-console": "error",
        "no-debugger": "error",
        "no-duplicate-case": "error",
        "no-duplicate-imports": "error",
        "no-else-return": ["error", { "allowElseIf": false }],
        "no-empty": "error",
        "no-eval": "error",
        "no-extra-bind": "error",
        "no-fallthrough": "error",
        "no-invalid-this": "off",
        "no-irregular-whitespace": "error",
        "no-multiple-empty-lines": [
            "error",
            { "max": 1 }
        ],
        "no-new-func": "error",
        "no-new-wrappers": "error",
        "no-redeclare": "error",
        "no-restricted-imports": [
            "error",
            "../",
            "./"
        ],
        "no-return-await": "error",
        "no-sequences": "error",
        "no-shadow": [
            "error",
            {
                "hoist": "all"
            }
        ],
        "no-sparse-arrays": "error",
        "no-template-curly-in-string": "error",
        "no-throw-literal": "error",
        "no-trailing-spaces": "error",
        "no-undef-init": "error",
        "no-underscore-dangle": "off",
        "no-unsafe-finally": "error",
        "no-unused-expressions": "error",
        "no-unused-labels": "error",
        "no-unused-vars": "off",
        "no-var": "error",
        "object-curly-spacing": [
            "error",
            "always"
        ],
        "object-shorthand": "error",
        "one-var": [
            "error",
            "never"
        ],
        "padded-blocks": [
            "error",
            "never"
        ],
        "padding-line-between-statements": [
            "error",
            { "blankLine": "always", "prev": "*", "next": "block" },
            { "blankLine": "never", "prev": "import", "next": "import" }
        ],
        "prefer-const": "error",
        "prefer-object-spread": "error",
        "prettier/prettier": "error",
        "quote-props": "off",
        "radix": "off",
        "space-in-parens": [
            "error",
            "never"
        ],
        "spaced-comment": "error",
        "unused-imports/no-unused-imports-ts": "error",
        "use-isnan": "error",
        "valid-jsdoc": [
            "error",
            {
              "requireReturn": false,
              "requireReturnType": false,
              "requireParamType": false,
              "prefer": {
                "return": "returns"
              }
            }
        ],
        "valid-typeof": "off"
    }
};