.eslintrc.json

{
  "env": {
    "browser": true,
    "es2021": true,
    "node": true
  },
  "extends": [
    "eslint:recommended",
    "plugin:custom-elements/recommended"
  ],
  "parser": "@typescript-eslint/parser",
  "parserOptions": {
    "ecmaVersion": 2022,
    "sourceType": "module"
  },
  "plugins": [
    "@typescript-eslint",
    "github"
  ],
  "ignorePatterns": [
    "**/*.d.ts"
  ],
  "overrides": [
    {
      "files": [
        "**/*.ts"
      ],
      "env": {
        "browser": true,
        "es2021": true,
        "node": true
      },
      "extends": [
        "plugin:@typescript-eslint/recommended",
        "plugin:github/recommended",
        "plugin:github/browser",
        "plugin:github/typescript"
      ],
      "parser": "@typescript-eslint/parser",
      "parserOptions": {
        "ecmaVersion": 2022,
        "sourceType": "module"
      },
      "plugins": [
        "@typescript-eslint",
        "github"
      ],
      "rules": {
        "eslint-comments/no-use": 0,
        "filenames/match-regex": 0,
        "import/no-namespace": 0,
        "no-shadow": 0,
        "no-unused-vars": "off",
        "@typescript-eslint/no-unused-vars": [
          "error",
          {
            "ignoreRestSiblings": true
          }
        ],
        "custom-elements/define-tag-after-class-definition": "off",
        "custom-elements/file-name-matches-element": [
          "error", {"suffix": "Element", "transform": "snake"}
        ],
        "custom-elements/tag-name-matches-class": [
          "error", {"suffix": "Element"}
        ],
        "i18n-text/no-en": "off",
        "no-restricted-syntax": [
          "error",
          {
            "message": "stopPropagation() and friends are considered dangerous because they swallow events that consumers may listen for. Consider alternatives.",
            "selector":
              "CallExpression[callee.property.name='stopPropagation']"
          },
          {
            "message": "stopImmediatePropagation() and friends are considered dangerous because they swallow events that consumers may listen for. Consider alternatives.",
            "selector":
              "CallExpression[callee.property.name='stopImmediatePropagation']"
          }
        ]
      }
    }
  ]
}