[nongnu] elpa/haskell-tng-mode d1e599a 285/385: switch formatting backend based on project config

[ELPA Syncer]

branch: elpa/haskell-tng-mode
commit d1e599a9c221eb9c77eee15d248b976984a52cd3
Author: Tseen She <ts33n.sh3@gmail.com>
Commit: Tseen She <ts33n.sh3@gmail.com>

    switch formatting backend based on project config
---
 README.md                  | 9 +++++----
 haskell-tng-extra-stack.el | 2 +-
 haskell-tng-extra.el       | 8 ++++++++
 3 files changed, 14 insertions(+), 5 deletions(-)

diff --git a/README.md b/README.md
index b355e60..ad03848 100644
--- a/README.md
+++ b/README.md
@@ -75,16 +75,17 @@ To find out which module a symbol belongs to, use `M-x 
haskell-tng-fqn-at-point`
 
 To automatically import a symbol at point, use `M-x 
haskell-tng-import-symbol-at-point`.
 
-## Contrib
+## Extras
 
 Integrations are provided for common libraries and external applications.
 
 The installation instructions above enable all the integrations. Remove the 
`require` lines for packages that are unwanted.
 
-Third party Haskell tools must be installed separately (e.g. via `cabal 
v2-install`) for:
+Third party Haskell tools must be installed separately (e.g. via `cabal 
v2-install`):
 
-- `C-c C` invoke 
[`stack2cabal`](https://hackage.haskell.org/package/stack2cabal)
-- `C-c C-r f` invoke 
[`stylish-haskell`](https://hackage.haskell.org/package/stylish-haskell)
+- [`stack2cabal`](https://hackage.haskell.org/package/stack2cabal)
+- [`stylish-haskell`](https://hackage.haskell.org/package/stylish-haskell)
+- [`ormolu`](https://github.com/tweag/ormolu)
 - `C-c p R` invoke 
[`fast-tags`](https://hackage.haskell.org/package/fast-tags) via 
[`projectile`](https://github.com/bbatsov/projectile)
 
 ## Contributing
diff --git a/haskell-tng-extra-stack.el b/haskell-tng-extra-stack.el
index 40562fa..1d67fd0 100644
--- a/haskell-tng-extra-stack.el
+++ b/haskell-tng-extra-stack.el
@@ -10,7 +10,7 @@
 ;;; Code:
 
 ;; TODO document
-;; FIXME implement
+;; TODO implement
 
 (provide 'haskell-tng-extra-stack)
 ;;; haskell-tng-extra-stack.el ends here
diff --git a/haskell-tng-extra.el b/haskell-tng-extra.el
index 5f7d5ac..a031996 100644
--- a/haskell-tng-extra.el
+++ b/haskell-tng-extra.el
@@ -54,6 +54,14 @@ When in a comment and called with a prefix, the comment will 
be completed."
         (insert rem)))))
 
 ;;;###autoload
+(defun haskell-tng-format ()
+  "Uses stylish-haskell if there is a config file, falling back to ormolu."
+  (interactive)
+  (if (locate-dominating-file default-directory ".stylish-haskell.yaml")
+      (haskell-tng-stylish-haskell)
+    (haskell-tng-ormolu)))
+
+;;;###autoload
 (defun haskell-tng-stylish-haskell ()
   "Apply `stylish-haskell' rules."
   ;; TODO use https://github.com/purcell/reformatter.el