TinyMCE Textarea Pasted Text to Source Code

I have an HTML page with a <textarea></textarea> The user visits the page. In his/her clipboard is rich text data from (e.g.) MS Word. When the user pastes the contents of the clipboard, the contents of the textarea should instantly be converted to what TinyMCE terms "Source Code". The JavaScript used should be from TinyMCE and should be based on the most recent stable build (4.0.16), should not be minified, should be stripped down to a _single_ .js file, and should not reference any external location i.e. this process should run when the computer is offline. TinyMCE menu bars and icons are not required. Required: A single HTML page. A single .js file, and nothing else.