.eslintrc.yml

# Use typescript-eslint to lint our TypeScript code
parser: "@typescript-eslint/parser"

# Use Airbnb rules to check code
extends:
  - airbnb-base
  - plugin:@typescript-eslint/recommended

plugins:
  - import
  - chai-friendly

env:
  browser: true
  node: true

settings:
  # TypeScript compatibility
  import/parsers:
    "@typescript-eslint/parser":
      - .ts

  # TypeScript compatibility
  import/resolver:
    typescript: {}

  # Modules that should be a devDependency and will be used in the application
  import/core-modules:
    - electron

# Additional rules
rules:
  # Turn off linting about having wrong line ending, handled in .gitattributes
  linebreak-style: off

  # Have chai friendly no-unused-expressions rules, otherwise code can look nasty
  no-unused-expressions: off
  chai-friendly/no-unused-expressions: error

  # Add strictness to type declarations in TypeScript
  "@typescript-eslint/explicit-function-return-type": error
  "@typescript-eslint/no-explicit-any": error

  # Move no-useless-constructor to @typescript-eslint/no-useless-constructor
  no-useless-constructor: off
  "@typescript-eslint/no-useless-constructor": error

  # @typescript-eslint/no-use-before-define is already defined
  no-use-before-define: off

  # Prevent usage of file extension in import statements
  import/extensions:
    - error
    - never

  # Re-adding changed Airbnb rules (removed most likely from @typescript-eslint/recommended)
  "@typescript-eslint/camelcase":
    - error
    - properties: never

  "@typescript-eslint/indent":
    - error
    - 2
    - SwitchCase: 1
      VariableDeclarator: 1
      outerIIFEBody: 1
      FunctionDeclaration:
        parameters: 1
        body: 1
      FunctionExpression:
        parameters: 1
        body: 1
      CallExpression:
        arguments: 1
      ArrayExpression: 1
      ObjectExpression: 1
      ImportDeclaration: 1
      flatTernaryExpressions: false
      ignoreComments: false


  "@typescript-eslint/no-unused-vars":
    - error
    - vars: all
      args: after-used
      ignoreRestSiblings: true