Code formatting support

[NatoBoram]

The new Phoenix LiveView release supports a new .html.heex and ~H template engine, which deprecates .eex, .leex and ~L. It would be nice to have auto-formatting support for these.

• https://github.com/adamzapasnik/prettier-plugin-eex/issues/71
• https://github.com/beautify-web/js-beautify/issues/1964
• https://github.com/elixir-lsp/vscode-elixir-ls/issues/162
• https://github.com/elixir-lsp/vscode-elixir-ls/issues/201
• https://github.com/elixir-lsp/vscode-elixir-ls/issues/98
• https://github.com/elixir-lsp/vscode-elixir-ls/pull/193
• https://github.com/phoenixframework/phoenix_live_view/pull/1904
• https://github.com/phoenixframework/vscode-phoenix/issues/6
• https://github.com/prettier/prettier/issues/12269

[NatoBoram]

This just happened

• https://github.com/phoenixframework/phoenix_live_view/pull/1904

You can use it before its release this way

[NatoBoram]

Changelog

0.17.8 (2022-04-06)

Enhancements

• Add HEEx formatter

https://github.com/phoenixframework/phoenix_live_view/blob/v0.17.8/CHANGELOG.md

[josevalim]

The formatting should happen as part of the regular Elixir tooling. :)