.ts

TypeScript

[5] TypeScriptJavaScript から派生したプログラミング言語です。

[1] ( ( 版)) http://www.typescriptlang.org/Content/TypeScript%20Language%20Specification.pdf

[2] Announcing TypeScript 2.0 Beta | TypeScript () https://blogs.msdn.microsoft.com/typescript/2016/07/11/announcing-typescript-2-0-beta/

[3] CodeMirror: JavaScript mode () https://codemirror.net/mode/javascript/index.html

MIME types defined: text/javascript, application/json, application/ld+json, text/typescript, application/typescript.

[4] bug(esm): TypeScript is not an ECMAScript superset post-ES2015 · Issue #50501 · microsoft/TypeScript · GitHub, https://github.com/microsoft/TypeScript/issues/50501