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JavaScript and TypeScript support | PMD Source Code Analyzer

• PMD 7.16.0

Release date: 25-July-2025

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» JavaScript and TypeScript support

JavaScript- and TypeScript-specific features and guidance

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

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

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

See Compatibility Table for supported language features.

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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