First commit0.0.1

1 files changed, 152 insertions, 0 deletions

diff --git a/autoload/prettier.vim b/autoload/prettier.vim
new file mode 100644
index 0000000..3cb21ee
--- /dev/null
+++ b/autoload/prettier.vim
@@ -0,0 +1,152 @@
+let s:root_dir = fnamemodify(resolve(expand('<sfile>:p')), ':h')
+
+" TODO => check all &ft comparisons and make sure we use match to protect from compound file types
+function! prettier#Prettier() abort
+  let l:exec = s:Get_Prettier_Exec()
+
+  if &ft !~ 'javascript'
+    return 
+  endif
+
+  if exec != -1
+    let l:stdout = split(system(exec . s:Get_Prettier_Exec_Args(), getbufline(bufnr('%'), 1, '$')), '\n')
+
+		" delete all lines on the current buffer
+		silent! execute 1 . ',' . line('$') . 'delete _'
+
+		" replace all lines from the current buffer with output from prettier
+		call setline(1, stdout)
+  else
+    call s:Suggest_Install_Prettier()
+  endif
+endfunction
+
+function! prettier#Autoformat() abort
+  let l:curPos = getpos('.')
+  let l:maxLineLookup = 50 
+  let l:maxTimeLookupMs = 500 
+  let l:pattern = '@format'
+
+  " we need to move selection to the top before looking up to avoid 
+  " scanning a very long file
+  call cursor(1, 1)
+
+  " Search starting at the start of the document
+  if search(pattern, 'n', maxLineLookup, maxTimeLookupMs) > 0
+    call prettier#Prettier()
+  endif
+
+  " Restore the selection and if greater then before it defaults to end
+  call cursor(curPos[1], curPos[2])
+endfunction
+
+" By default we will default to our internal
+" configuration settings for prettier
+function! s:Get_Prettier_Exec_Args() abort
+  let l:cmd = ' --print-width ' .
+          \ g:prettier#config#print_width .
+          \ ' --tab-width ' .
+          \ g:prettier#config#tab_width .
+          \ ' --use-tabs ' .
+          \ g:prettier#config#use_tabs .
+          \ ' --semi ' .
+          \ g:prettier#config#semi .
+          \ ' --single-quote ' .
+          \ g:prettier#config#single_quote .
+          \ ' --bracket-spacing ' .
+          \ g:prettier#config#bracket_spacing .
+          \ ' --jsx-bracket-same-line ' .
+          \ g:prettier#config#jsx_bracket_same_line .
+          \ ' --trailing-comma ' .
+          \ g:prettier#config#trailing_comma .
+          \ ' --parser ' .
+          \ g:prettier#config#parser .
+          \ ' --stdin '
+  return cmd
+endfunction
+
+" By default we will search for the following
+" => locally installed prettier inside node_modules on any parent folder
+" => globally installed prettier 
+" => vim-prettier prettier installation
+" => if all fails suggest install
+function! s:Get_Prettier_Exec() abort
+  let l:local_exec = s:Get_Prettier_Local_Exec()
+  if local_exec != -1
+    return local_exec
+  endif 
+
+  let l:global_exec = s:Get_Prettier_Global_Exec()
+  global_exec != -1
+    return global_exec
+  endif 
+
+  let l:plugin_exec = s:Get_Prettier_Plugin_Exec()
+  if plugin_exec != -1
+    return plugin_exec
+  endif 
+
+  return -1
+endfunction
+
+function! s:Get_Prettier_Local_Exec() abort
+  return s:Get_Exec(getcwd())
+endfunction
+
+function! s:Get_Prettier_Global_Exec() abort
+  return s:Get_Exec()
+endfunction
+
+function! s:Get_Prettier_Plugin_Exec() abort
+  return s:Get_Exec(s:root_dir)
+endfunction
+
+function! s:Get_Exec(...) abort
+  let l:rootDir = a:0 > 0 ? a:1 : 0 
+  let l:exec = 0
+
+  if rootDir
+    let l:dir = s:Tranverse_Dir_Search(rootDir) 
+    if dir != -1
+      let l:exec = s:Get_Path_To_Exec(dir)
+    endif
+  else
+    let l:exec = s:Get_Path_To_Exec()
+  endif
+
+  if executable(exec)
+    return exec
+  endif
+
+  return -1 
+endfunction
+
+function! s:Get_Path_To_Exec(...) abort
+  let l:rootDir = a:0 > 0 ? a:1 : -1 
+  let l:dir = rootDir != -1 ? rootDir . '/.bin/' : '' 
+  return dir . 'prettier'
+endfunction
+
+function! s:Tranverse_Dir_Search(rootDir) abort
+  let l:root = a:rootDir
+  let l:dir = 'node_modules'
+
+  while 1
+    let l:search_dir = root . '/' . dir
+    if isdirectory(search_dir) 
+      return search_dir
+    endif
+
+    let l:parent = fnamemodify(root, ':h')
+    if parent == root 
+      return -1
+    endif
+
+    let l:root = parent
+  endwhile
+endfunction
+
+" If we can't find any prettier installing we then suggest where to get it from
+function! s:Suggest_Install_Prettier() abort
+  echohl WarningMsg | echom 'Prettier: no prettier executable installation found.' | echohl NONE
+endfunction