Find cast and nullable-shape idioms
Recipe ID
org.openrewrite.kotlin.idiom.FindCastAndNullableShapes$KtRecipeArtifactio.moderne.recipe:recipes-kotlinUnsafe as casts vs as?, takeIf { }?.let { } chains, takeUnless { !p } double-negatives, deep ?. safe-call chains, explicit return null statements.
Composite recipeProprietary
Add to your build
Get a download tokenThis recipe is Moderne licensed, so the token must belong to a Moderne customer. It replaces YOUR_DOWNLOAD_TOKEN below.
~/.gradle/gradle.properties
codeGenomeUsername=you@example.com
codeGenomeToken=YOUR_DOWNLOAD_TOKEN
build.gradle.kts
plugins {
id("org.openrewrite.rewrite") version("latest.release")
}
rewrite {
activeRecipe("org.openrewrite.kotlin.idiom.FindCastAndNullableShapes$KtRecipe")
}
repositories {
mavenCentral()
maven {
url = uri("https://artifacts.codegenomeproject.org/maven")
credentials {
username = providers.gradleProperty("codeGenomeUsername").get()
password = providers.gradleProperty("codeGenomeToken").get()
}
}
}
dependencies {
rewrite("io.moderne.recipe:recipes-kotlin:0.5.0")
}
Then run
./gradlew rewriteRunUsage
This recipe has no required configuration options. You’ll need the Moderne CLI configured before running the command below.
mod run . --recipe org.openrewrite.kotlin.idiom.FindCastAndNullableShapes$KtRecipeIf the recipe isn’t available locally, install it with:
mod config recipes jar install io.moderne.recipe:recipes-kotlin:RELEASEDefinition
This recipe runs the following recipes in order.
- Find unsafe
ascastsorg.openrewrite.kotlin.idiom.FindUnsafeCast$KtRecipe - Find
x.takeIf { p }?.let { ... }patternsorg.openrewrite.kotlin.idiom.FindTakeIfChainedLet$KtRecipe - Find
takeUnless { !p }(double-negative) patternsorg.openrewrite.kotlin.idiom.FindTakeUnlessNegated$KtRecipe - Find long
?.safe-call chainsorg.openrewrite.kotlin.idiom.FindSafeCallChain$KtRecipe - Find
return nullin functions with nullable returnsorg.openrewrite.kotlin.idiom.FindReturnNullExplicit$KtRecipe
Data tables
Structured output this recipe can produce.
- Source files that had resultsSource files that were modified by the recipe run.
org.openrewrite.table.SourcesFileResults - Source files that had search resultsSearch results that were found during the recipe run.
org.openrewrite.table.SearchResults - Source files that errored on a recipeThe details of all errors produced by a recipe run.
org.openrewrite.table.SourcesFileErrors - Recipe performanceStatistics used in analyzing the performance of recipes.
org.openrewrite.table.RecipeRunStats