The check of the Rhino JavaScript engine or how the unicorn met the rhino

• rhino

  14 3,971 8.0 JavaScript

  Rhino is an open-source implementation of JavaScript written entirely in Java

  

At the same time as studying the Rhino's source code, I downloaded its source files and ran the analysis using the PVS-Studio plugin for IntelliJ IDEA. The analyzer found quite a few warnings for a 25-year-old project (they are listed in descending order of certainty):

• TypeScript

  1,305 97,944 9.9 TypeScript

  TypeScript is a superset of JavaScript that compiles to clean JavaScript output.

  

P.S. I'm currently continuing research on projects written in Java that process JavaScript code, so stay tuned for more articles on project analysis. As an alternative to JavaScript engines, I am also reviewing TypeScript Compiler API as a tool for writing a static analyzer for JavaScript. This is due to the fact that TypeScript is a superset of JavaScript. I'd love to hear in the comments what diagnostics for JavaScript you'd like to see.

• SurveyJS

  surveyjs.io sponsored

  Open-Source JSON Form Builder to Create Dynamic Forms Right in Your App. With SurveyJS form UI libraries, you can build and style forms in a fully-integrated drag & drop form builder, render them in your JS app, and store form submission data in any backend, inc. PHP, ASP.NET Core, and Node.js.

  

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