Typescript Plugin : TypeScript support was introduced in NetBeans by a community contribution: A company named Everlaw made their NetBeans plug-in available as an Open Source package. Since then, new versions are released continuously, as can be seen on the Github : https://github.com/Everlaw/nbts/releases
TypeScript supports definition files that can contain type
can describe the structure of existing object files. This enables other
programs to use the values defined in the files as if they were
statically typed TypeScript entities. There are third-party header files
for popular libraries such as jQuery, MongoDB, and D3.js.
TypeScript headers for the Node.js basic modules are also available, allowing development of Node.js programs within TypeScript.
TypeScript is included as a first-class programming language in Microsoft Visual Studio 2013 Update 2 and later, beside C# and other Microsoft languages.An official extension allows Visual Studio 2012 to support TypeScript as well. https://github.com/Everlaw/nbts/releases