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.
Format your handlebars files with Prettier ... that's it!
Example below from a slightly complex template from Discourse
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