jarv.is/.eslintrc.json

{
  "extends": [
    "eslint:recommended",
    "plugin:compat/recommended",
    "plugin:import/recommended",
    "plugin:no-unsanitized/DOM",
    "plugin:lit/recommended",
    "plugin:prettier/recommended"
  ],
  "plugins": [
    "prettier"
  ],
  "parser": "@babel/eslint-parser",
  "parserOptions": {
    "ecmaVersion": 2018,
    "sourceType": "module",
    "allowImportExportEverywhere": false,
    "requireConfigFile": false,
    "babelOptions": {
      "presets": [
        [
          "@babel/preset-env"
        ]
      ]
    }
  },
  "env": {
    "browser": true,
    "es6": true
  },
  "rules": {
    // Stylistic:
    "brace-style": "error",
    "camelcase": ["error", {
      "properties": "never",
      "ignoreDestructuring": true
    }],
    "comma-dangle": ["error", "always-multiline"],
    "comma-spacing": "error",
    "comma-style": "error",
    "curly": ["error", "multi-or-nest", "consistent"],
    "func-call-spacing": "error",
    // "indent": ["error", 2, {
    //   "ignoredNodes": ["JSXElement", "JSXElement > *", "JSXAttribute", "JSXIdentifier", "JSXNamespacedName", "JSXMemberExpression", "JSXSpreadAttribute", "JSXExpressionContainer", "JSXOpeningElement", "JSXClosingElement", "JSXFragment", "JSXOpeningFragment", "JSXClosingFragment", "JSXText", "JSXEmptyExpression", "JSXSpreadChild"]
    // }],
    "max-len": ["error", {
      "code": 100,
      "tabWidth": 2,
      "ignoreUrls": true,
      "ignoreComments": false,
      "ignoreStrings": true,
      "ignoreRegExpLiterals": true,
      "ignoreTemplateLiterals": true
    }],
    "no-multiple-empty-lines": ["error", { "max": 1 }],
    "no-tabs": "error",
    "no-trailing-spaces": "error",
    "object-curly-spacing": ["error", "always"],
    "one-var": ["error", {
      "var": "never",
      "let": "never",
      "const": "never"
    }],
    "operator-linebreak": ["error", "after"],
    "padded-blocks": ["error", "never"],
    "quote-props": ["error", "consistent"],
    "quotes": ["error", "double", {
      "avoidEscape": true,
      "allowTemplateLiterals": true
    }],
    "semi": "error",
    "semi-spacing": "error",
    "space-before-blocks": "error",
    "space-before-function-paren": ["error", {
      "named": "never",
      "anonymous": "always",
      "asyncArrow": "always"
    }],
    "spaced-comment": ["error", "always", {
      "line": {
        "markers": ["/"],
        "exceptions": ["-", "+"]
      },
      "block": {
        "markers": ["!"],
        "exceptions": ["*"],
        "balanced": true
      }
    }],
    "template-tag-spacing": ["error", "never"],

    // ES6:
    "arrow-body-style": ["error", "as-needed", { "requireReturnForObjectLiteral": false }],
    "arrow-parens": ["error", "always"],
    "arrow-spacing": ["error", { "before": true, "after": true }],
    "no-confusing-arrow": ["error", { "allowParens": true }],
    "no-var": "error",
    "prefer-const": ["error", {
      "destructuring": "any",
      "ignoreReadBeforeAssign": true
    }],
    "prefer-destructuring": ["error", {
      "VariableDeclarator": {
        "array": false,
        "object": true
      },
      "AssignmentExpression": {
        "array": true,
        "object": false
      }
    }],
    "prefer-rest-params": "error",
    "prefer-spread": "error",
    "template-curly-spacing": "error"
  },
  "overrides": [{
    "files": [
      "api/**/*.ts"
    ],
    "extends": [
      "eslint:recommended",
      "plugin:@typescript-eslint/recommended",
      "plugin:@typescript-eslint/recommended-requiring-type-checking",
      "plugin:import/recommended",
      "plugin:import/typescript",
      "plugin:prettier/recommended"
    ],
    "plugins": [
      "@typescript-eslint",
      "prettier"
    ],
    "parser": "@typescript-eslint/parser",
    "parserOptions": {
      "project": ["./tsconfig.json"]
    },
    "rules": {
      "@typescript-eslint/restrict-template-expressions": "off"
    },
    "env": {
      "browser": false,
      "node": true
    }
  }],
  "ignorePatterns": [
    "public/**",
    "static/assets/**",
    "*.d.ts",
    "gulpfile.js",
    "webpack.config.js"
  ]
}