PMD 7.18.0-SNAPSHOT

Release date: 31-October-2025

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» JavaScript and TypeScript support Edit on GitHub

JavaScript and TypeScript support

JavaScript- and TypeScript-specific features and guidance

Table of Contents

Language Info for JavaScript

Implementation: EcmascriptLanguageModule
Id: ecmascript
PMD: ✔️
CPD: ✔️

Language Info for TypeScript

Since PMD 7.0.0
Implementation: TsLanguageModule
Id: ts
PMD: ❌
CPD: ✔️

JavaScript

JavaScript support is using Rhino for parsing and supports CPD as well as PMD with rules.

See Compatibility Table for supported language features.

TypeScript

TypeScript is supported for Copy-Paste-Detection only and uses the ANTLR grammar from antlr/grammars-v4. This grammar is published under the MIT license.

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