1 files changed, 40 insertions, 0 deletions
diff --git a/runtime/indent/sass.vim b/runtime/indent/sass.vim
new file mode 100644
index 0000000..8c0ecd0
--- /dev/null
+++ b/runtime/indent/sass.vim
@@ -0,0 +1,40 @@
+" Vim indent file
+" Language:	Sass
+" Maintainer:	Tim Pope <vimNOSPAM@tpope.org>
+" Last Change:	2022 Mar 15
+
+if exists("b:did_indent")
+  finish
+endif
+let b:did_indent = 1
+
+setlocal autoindent sw=2 et
+setlocal indentexpr=GetSassIndent()
+setlocal indentkeys=o,O,*<Return>,<:>,!^F
+
+let b:undo_indent = "setl ai< inde< indk<"
+
+" Only define the function once.
+if exists("*GetSassIndent")
+  finish
+endif
+
+let s:property = '^\s*:\|^\s*[[:alnum:]#{}-]\+\%(:\|\s*=\)'
+let s:extend = '^\s*\%(@extend\|@include\|+\)'
+
+function! GetSassIndent()
+  let lnum = prevnonblank(v:lnum-1)
+  let line = substitute(getline(lnum),'\s\+$','','')
+  let cline = substitute(substitute(getline(v:lnum),'\s\+$','',''),'^\s\+','','')
+  let lastcol = strlen(line)
+  let line = substitute(line,'^\s\+','','')
+  let indent = indent(lnum)
+  let cindent = indent(v:lnum)
+  if line !~ s:property && line !~ s:extend && cline =~ s:property
+    return indent + shiftwidth()
+  else
+    return -1
+  endif
+endfunction
+
+" vim:set sw=2: