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Join autocommands and simplify augroup Node #42

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Join autocommands and simplify augroup Node #42

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e67ef11
Join autocommands and simplify augroup Node
pgilad Apr 9, 2017
a2a05be
Concat braces
pgilad Apr 9, 2017
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28 changes: 7 additions & 21 deletions plugin/node.vim
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Original file line number Diff line number Diff line change
@@ -1,8 +1,7 @@
if exists("g:loaded_node") || &cp || v:version < 700 | finish | endif
let g:loaded_node = 1

let s:filetypes = ["javascript", "json", "jsx"]
if exists("g:node_filetypes") | let s:filetypes = g:node_filetypes | endif
let s:filetypes = get(g:, 'node_filetypes', ["javascript", "json", "jsx"])

function! s:detect(dir)
if exists("b:node_root") | return | endif
Expand All @@ -20,28 +19,15 @@ function! s:detect(dir)
endwhile
endfunction

function! s:permutate(ft)
" Don't know right now how to detect javascript.jsx and other permutations
" without precomputing them in advance. Please let me know if you do.
return [a:ft, a:ft . ".*", "*." . a:ft, "*." . a:ft . ".*"]
endfunction

function! s:flatten(list)
let values = []
for value in a:list
if type(value) == type([]) | call extend(values, value)
else | add(values, value)
endif
endfor
return values
endfunction

augroup Node
au!
au VimEnter * if empty(expand("<amatch>")) | call s:detect(getcwd()) | endif
au BufRead,BufNewFile * call s:detect(expand("<amatch>:p"))

let s:filetype_patterns = s:flatten(map(s:filetypes, "<SID>permutate(v:val)"))
let s:filetype_patterns_joined = join(s:filetype_patterns, ",")
execute "au FileType " s:filetype_patterns_joined " call node#javascript()"
let s:joined_filetypes = join(s:filetypes, ',')
" Match multiple patterns of filetypes
execute "au FileType {" . s:joined_filetypes . "} call node#javascript()"
execute "au FileType *.{" . s:joined_filetypes . "} call node#javascript()"
execute "au FileType {" . s:joined_filetypes . "}.* call node#javascript()"
execute "au FileType *.{" . s:joined_filetypes . "}.* call node#javascript()"
augroup end