This extension allow you to format handlebars files using the currently unreleased Prettier glimmer parser
Because it uses unreleased, it may break with future changes to Prettier.
Props to handlebars-formatter which gave me the base repo for this extension
Format your handlebars files with Prettier ... while also respecting your .prettierrc file
Before
After
Using Command Palette (CMD/CTRL + Shift + P)
CMD + Shift + P -> Format Document
OR
CMD + Shift + P -> Format Selection
This extension has no user configurable options at this point