2 files changed, 33 insertions, 6 deletions
diff --git a/autoload/prettier/utils/buffer.vim b/autoload/prettier/utils/buffer.vim
index 3125bcc..922a0db 100644
--- a/autoload/prettier/utils/buffer.vim
+++ b/autoload/prettier/utils/buffer.vim
@@ -61,10 +61,12 @@ function! s:getCharPosition(line, col) abort
     return line2byte(a:line) + (a:col - 2)
 endfun
 
-" Returns [start, end] byte range when on visual mode
-function! prettier#utils#buffer#getCharRange(startSelection, endSelection) abort
-  let l:range = []
-  call add(l:range, s:getCharPosition(a:startSelection, col("'<")))
-  call add(l:range, s:getCharPosition(a:endSelection, col("'>")))
-  return l:range
+" Return the start byte when on visual mode
+function! prettier#utils#buffer#getCharRangeStart(startSelection) abort
+  return s:getCharPosition(a:startSelection, col("'<"))
+endfunction
+
+" Return the end byte when on visual mode
+function! prettier#utils#buffer#getCharRangeEnd(endSelection) abort
+  return s:getCharPosition(a:endSelection, col("'>"))
 endfunction
diff --git a/autoload/prettier/utils/version.vim b/autoload/prettier/utils/version.vim
new file mode 100644
index 0000000..3cbbb73
--- /dev/null
+++ b/autoload/prettier/utils/version.vim
@@ -0,0 +1,25 @@
+" Returns 1 if the first argument is the greater version, returns 0 if the
+" arguments are the same version, or returns -1 if the first argument is the
+" lesser version.
+function! prettier#utils#version#Compare_versions(a, b) abort
+  let [l:a_major, l:a_minor, l:a_patch; l:rest] = a:a->split('\D')
+          \ ->map('str2nr(v:val)')
+  let [l:b_major, l:b_minor, l:b_patch; l:rest] = a:b->split('\D')
+          \ ->map('str2nr(v:val)')
+  let l:is_a_greater =
+          \ l:a_major > l:b_major
+          \ || (l:a_major == l:b_major && l:a_minor > l:b_minor)
+          \ || (l:a_major == l:b_major && l:a_minor == l:b_minor
+          \   && l:a_patch > l:b_patch)
+  let l:is_a_equal_b =
+          \ l:a_major == l:b_major
+          \ && l:a_minor == l:b_minor
+          \ && l:a_patch == l:b_patch
+  return l:is_a_greater ? 1 : (l:is_a_equal_b ? 0 : -1)
+endfunction
+
+" Returns 1 if the first argument is greater than or equal to the second,
+" otherwise returns 0.
+function! prettier#utils#version#Is_greater_or_equal_version(a, b) abort
+  return prettier#utils#version#Compare_versions(a:a, a:b) != -1
+endfunction