Auto-format source code in many languages with one command
Lets you auto-format source code in many languages using the same command for all languages, instead of learning a different Emacs package and formatting command for each language.
Just do M-x
format-all-bufferand it will try its best to do the right thing. To auto-format code on save, use the minor mode
format-all-mode. Please see the documentation for that function for instructions.
You will need to install external programs to do the formatting. If
format-all-buffercan't find the right program, it will try to tell you how to install it.
If you have installed a formatter but Emacs cannot find it, Emacs may be using a
PATHdifferent from your shell. The path searched by Emacs is in the
exec-pathvariable. You can easily make it match your shell's
PATHusing the exec-path-from-shell package from MELPA.
There are currently no customize variables, since it's not clear what approach should be taken. Please see GitHub issues for discussion.
Many of the external formatters support configuration files in the source code directory to control their formatting. Please see the documentation for each formatter.
New external formatters can be added easily if they can read code from standard input and format it to standard output. Feel free to submit a pull request or ask for help in GitHub issues.
GitHub issues are preferred. Email is also ok.
Feature requests are welcome. If you are interested in doing anything beyong just adding new formatters in the current framework, please discuss in issues before writing code, since there are big unresolved questions about where the project should go from here.
atom-beautify sports a very impressive set of formatters. We should aspire to that level of coverage for Emacs.
Unibeautify is a project to provide one shell command to run all beautifiers. atom-beautify will be rewritten to be based on it. Perhaps we should be too, once it stabilizes.