detekt

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Meet detekt, a static code analysis tool for the Kotlin programming language. It operates on the abstract syntax tree provided by the Kotlin compiler.

detekt in action

Features

  • Code smell analysis for your Kotlin projects
  • Complexity report based on logical lines of code, McCabe complexity and amount of code smells
  • Highly configurable
  • Suppress findings with Kotlin's @Suppress and Java's @SuppressWarnings annotations
  • Specify code smell thresholds to break your build
  • Code Smell baseline and ignore lists for legacy projects
  • Gradle plugin for code analysis via Gradle builds
  • Gradle tasks to use local IntelliJ distribution for formatting and inspecting Kotlin code
  • SonarQube integration
  • Extensible by own rule sets, FileProcessListener's and OutputReport's
  • IntelliJ integration
  • Unofficial Maven plugin by Ozsie

Project Website

Visit https://arturbosch.github.io/detekt/ for installation guides, release notes, migration guides, rule descriptions and configuration options.

Quick-Links

Quick Start ...

with command-line interface

  • git clone https://github.com/arturbosch/detekt
  • cd detekt
  • ./gradlew build shadowJar
  • java -jar detekt-cli/build/libs/detekt-cli-[version]-all.jar --help

with gradle

Gradle 4.9+ is required:

buildscript {
    repositories {
        jcenter()
    }
}

plugins {
    id("io.gitlab.arturbosch.detekt").version("[version]")
}

detekt {
    toolVersion = "[version]"
    input = files("src/main/kotlin")
    filters = ".*/resources/.*,.*/build/.*"
    baseline = file("my-detekt-baseline.xml") // Just if you want to create a baseline file.
}

See bintray for releases and artifactory for snapshots.

Adding more rule sets

detekt itself provides a wrapper over KtLint as a formatting rule set which can be easily added to the gradle configuration:

dependencies {
    detektPlugins "io.gitlab.arturbosch.detekt:detekt-formatting:[version]"
}

Likewise custom extensions can be added to detekt.

Contributors

If you contributed to detekt but your name is not in the list, please feel free to add yourself to it!

Mentions

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Credits

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