# SwiftLint configuration for SwiftStreamingMarkdown.
# Adapted from the upstream microsoft/app-ios .swiftlint.yml; rules that
# depend on app-ios-only types (ViewModelWithModals, presentationCornerRadiusIfAvailable,
# ImageResource code-generation) are intentionally omitted here.
disabled_rules:
  - todo
  - line_length
  - nesting
  - cyclomatic_complexity
  - non_optional_string_data_conversion
  - type_body_length
  - blanket_disable_command
  - superfluous_disable_command
opt_in_rules:
  - empty_count
  - force_unwrapping
  - force_try
  - file_header

file_header:
  required_pattern: |
    \/\/
    \/\/  Copyright \(c\) Microsoft Corporation\. All rights reserved\.
    \/\/  Licensed under the MIT License\. See LICENSE in the project root for license information\.
    \/\/

analyzer_rules:
  - explicit_self

included:
  - Sources
  - Tests
  - Examples
excluded:
  - "**/.build/**"
  - "**/.swiftpm/**"
  - "**/Generated/**"
  - "**/*.xcassets"
  - "**/*.bundle"

allow_zero_lintable_files: false
strict: true

force_cast:
  severity: error
force_try:
  severity: error
function_body_length: 200

file_length:
  - 900 # error

type_name:
  min_length: 3 # error
  max_length: 50 # error
  excluded: iPhone
  allowed_symbols: ["_"]

identifier_name:
  min_length: 1 # error

reporter: emoji

force_unwrapping: error

function_parameter_count:
  warning: 8
  error: 8

custom_rules:
  no_any:
    name: "Disallow Any"
    regex: "\\bAny(?!])\\b"
    message: "freestanding 'Any' is not allowed, please use as? (optional downcasting) to an explicit type"
    severity: error
  no_empty_else:
    name: "No Empty Else"
    regex: 'else\s*\{\s*\}'
    message: "Empty else block is not allowed, please handle the else case or remove the else block"
    severity: error
  no_anyview:
    name: "No AnyView"
    regex: "\\bAnyView(?!])\\b"
    excluded:
      - ".*Previews\\.swift"
      - ".*Test\\.swift"
      - ".*Tests\\.swift"
    message: "Use of AnyView is discouraged. Here's a good explanatory article on it: https://www.swiftbysundell.com/articles/avoiding-anyview-in-swiftui/"
    severity: error
  no_print:
    name: "No print"
    regex: "\\bprint(?!])\\b"
    excluded:
      - ".*View\\.swift"
      - ".*Previews\\.swift"
      - ".*Mocks\\.swift"
      - ".*Mock\\.swift"
      - ".*Mock.*\\.swift"
      - ".*Test\\.swift"
      - ".*Tests\\.swift"
      - ".*Listener\\.swift"
    message: "Prefer logDebug() over print() to obtain structured messages sent to Apple's unified logging system. Mocks, Preview and Tests are not subject to this rule."
    severity: error
  no_thread_sleep_in_tests:
    included: ".*Tests.swift"
    name: "No Thread.sleep"
    regex: "\\b(Thread|Foundation\\.Thread)\\s*\\.\\s*sleep\\s*\\("
    message: "Avoid using Thread.sleep in tests."
    severity: error
  no_swiftuicore_import:
    name: "No SwiftUICore Import"
    regex: 'import SwiftUICore'
    message: "Importing SwiftUICore is not allowed. Please use SwiftUI instead."
    severity: error