.eslintrc.yml

env:
  browser: true
  es2021: true

parser: "@typescript-eslint/parser"

extends:
  # https://github.com/43081j/eslint-plugin-wc
  - plugin:wc/recommended
  # https://github.com/43081j/eslint-plugin-lit
  - plugin:lit/recommended
  # https://open-wc.org/docs/linting/eslint-plugin-lit-a11y/overview/
  - plugin:lit-a11y/recommended
  # https://github.com/amilajack/eslint-plugin-compat
  - plugin:compat/recommended
  # https://github.com/typescript-eslint/typescript-eslint/tree/main/packages/eslint-plugin
  - plugin:@typescript-eslint/recommended
  # https://github.com/prettier/eslint-config-prettier
  - prettier

parserOptions:
  ecmaVersion: latest
  sourceType: module

ignorePatterns:
  - test/**/*

plugins:
  # https://github.com/43081j/eslint-plugin-wc
  - wc
  # https://github.com/43081j/eslint-plugin-lit
  - lit
  # https://github.com/BenoitZugmeyer/eslint-plugin-html
  - html
  # https://open-wc.org/docs/linting/eslint-plugin-lit-a11y/overview/
  - lit-a11y
  # https://github.com/amilajack/eslint-plugin-compat
  - compat
  # https://github.com/typescript-eslint/typescript-eslint/tree/main/packages/eslint-plugin
  - "@typescript-eslint"

settings:
  wc:
    elementBaseClasses: [LitElement]

rules:
  # add additional rules from eslint-plugin-wc
  wc/no-constructor-params: error
  wc/no-typos: error
  wc/require-listener-teardown: error
  lit/value-after-constraints: error
  lit/no-native-attributes: error