Syntax Highlight, Emmet, IntelliSense support for HTML/CSS in ES6 Template Strings.
Full emmet support for all supported embeds.
Hover and code completion.
Formatting through a custom command editor.action.formatInlineHtml.
Fixed a bug or added a new feature? Please feel free to submit a pull request at github! Features and Improvement requests are also welcome just open an issue 🙈.