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Taylor
⚠️ Taylor is DEPRECATED. Use SwiftLint instead.
A tool aimed to increase Swift code quality, by checking for conformance to code metrics.
Taylor uses SourceKitten to a more accurate AST representation and generates the final report in either Xcode, JSON, PMD or plain text formats.
Installation
Homebrew (recommended)
You need to have Homebrew installed.
brew update
brew install taylor
Source
Rebuild dependencies by running carthage bootstrap --platform Mac (Carthage required)
Clone the project and run make install (latest version of Xcode required).
Package
Download the latest release and run:
Taylor.app/Contents/Resources/install
Usage
Xcode
To get warnings displayed in the IDE add a new Run Script Phase with:
if which taylor >/dev/null; then
taylor -p ${PROJECT_DIR} -r xcode
else
echo "Taylor not installed"
fi
Command line
To use Taylor from command line run it as follows:
taylor [option1 [option1_argument]] [option2 option2_argument] […]
Available options
taylor |
Description |
|---|---|
-h/--help
|
Print help. |
-v/--version
|
Print Taylor version. |
-p/--path path
|
Path to the folder to be analysed (current folder by default). |
-e/--exclude file
|
Path to either directory or file to be excluded from analysis. |
-ef/--excludeFile file
|
Path to exclude file in .yml format. |
-f/--file file
|
File to be included in analysis (may be from an external source). |
-t/--type type
|
Type of files to be analysed. |
-vl/--verbosityLevel level
|
Verbosity level for output messages (info, warning and error). |
-r/--reporter type:name
|
Type of final report (json, xcode, pmd or plain text) and filename. |
-rc/--ruleCustomization rule=value
|
Customize rules by giving custom values. See help for more details. |
taylor alone with no arguments analyses .swift files inside current folder.
Excludes
If you want to exclude some files or folders from checking create a new .yml file and call Taylor with
-ef /path/to/file argument.
Default filename is excludes.yml and its default location is the folder
specified by --path flag.
The following excluding name formats can be specified:
- "/path/to/file"
- "file"
- "Folder"
- "Folder/*"
- ".*Tests.*"
Rules
These are the code quality rules currently existing:
Excessive Class Length
Number of lines in a class must not exceed given limit. Default limit = 400 lines.
Example: taylor -rc ExcessiveClassLength=100.
Excessive Method Length
Number of lines in a method must not exceed given limit. Default limit = 20 lines.
Example: taylor -rc ExcessiveMethodLength=10.
Too Many Methods
Number of methods in a class must not exceed given limit. Default limit = 10 methods.
Example: taylor -rc TooManyMethods=7.
Cyclomatic Complexity
Cyclomatic Complexity number of a method must not exceed maximal admitted value. Default = 5.
Example: taylor -rc CyclomaticComplexity=10.
Nested Block Depth
Block Depth of a method must not exceed maximal admitted value. Default = 3.
Example: taylor -rc NestedBlockDepth=7.
N-Path Complexity
N-Path Complexity of a method must not exceed maximal admitted value. Default = 100.
Example: taylor -rc NPathComplexity=50.
Excessive Parameter List
Number of parameters given to a method must not exceed maximal admitted value. Default = 3.
Example: taylor -rc ExcessiveParameterList=5.
Credits
Thanks to JP Simard for developing SourceKitten.
License
MIT Licensed.