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feat: map .cjs to JavaScript and .mts/.cts to TypeScript #111

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Merged
alerizzo merged 1 commit into from
Nov 3, 2026
Merged

feat: map .cjs to JavaScript and .mts/.cts to TypeScript #111

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5 changes: 3 additions & 2 deletions codacy-plugins-api/src/main/scala/com/codacy/plugins/api/languages/Language.scala
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Original file line number Diff line number Diff line change
Expand Up @@ -99,7 +99,7 @@ object Languages {

// Support startdate: Always
case object Javascript
extends Language(extensions = Set(".js", ".jsx", ".jsm", ".vue", ".mjs"),
extends Language(extensions = Set(".js", ".jsx", ".jsm", ".vue", ".mjs", ".cjs"),
files = Set("package.json", "package-lock.json", "yarn.lock", "pnpm-lock.yaml"))

case object Scala extends Language(extensions = Set(".scala"), files = Set("build.sbt.lock"))
Expand Down Expand Up @@ -145,7 +145,8 @@ object Languages {

// Support startdate: 24 November 2016
case object TypeScript
extends Language(extensions = Set(".ts", ".tsx"), files = Set("package.json", "package-lock.json", "yarn.lock"))
extends Language(extensions = Set(".ts", ".tsx", ".mts", ".cts"),
files = Set("package.json", "package-lock.json", "yarn.lock"))

// Support startdate: December 2016
case object Dockerfile extends Language(extensions = Set(".dockerfile"), files = Set("Dockerfile"))
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7 changes: 7 additions & 0 deletions codacy-plugins-api/src/test/scala/com.codacy.plugins.api.languages/LanguageSpec.scala
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Expand Up @@ -33,6 +33,13 @@ class LanguageSpec extends AnyWordSpec with Matchers with OptionValues {
Languages.forPath("src/File3.mjs").value shouldBe Languages.Javascript
}

"forPath resolves the Node.js module-format extensions" in {
// CommonJS / ES module variants: .cjs/.mjs for JavaScript, .cts/.mts for TypeScript
Languages.forPath("scripts/count-issues.cjs").value shouldBe Languages.Javascript
Languages.forPath("src/index.mts").value shouldBe Languages.TypeScript
Languages.forPath("src/config.cts").value shouldBe Languages.TypeScript
}

"forPath resolves extensions case-insensitively" in {
// extensions are stored lowercase; lookup lowercases the file's extension too
Languages.forPath("src/analysis.R").value shouldBe Languages.R
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