Initial commit

mistress
bad 1 year ago
commit 4f881c4f64
  1. 33
      lua/fold_if_err_nil.lua
  2. 20
      plugin/gofoldiferrnil.vim

@ -0,0 +1,33 @@
-- Neovim lua api doesn't support multiline regexes so we use this hack instead
regexStrs = {
"^\\s*if err != nil {\\s*$",
"^\\s*return.\\{-}.err.*$",
"^\\s*}\\s*$"
}
regexes = {}
for _,str in pairs(regexStrs) do
table.insert(regexes, vim.regex(str))
end
function foldIfErrNills() do
local line_count = vim.api.nvim_buf_line_count(0)
for i = 0,(line_count-#regexStrs) do
local allMatched = true
for j,regex in pairs(regexes) do
if not regex:match_line(0,i+j-1) then
allMatched = false
break
end
end
if allMatched then
range_start = i+1
range_end = i+#regexes
vim.cmd(range_start..","..range_end.."fo")
end
end
end
end
return {
foldIfErrNills = foldIfErrNills
}

@ -0,0 +1,20 @@
" A small plugin to fold if err nil statements that do nothing except for
" propagating errors
" License: Unlicense
if exists('g:loaded_gofoldiferrnil') | finish | endif " prevent loading file twice
if !has('nvim-0.5')
echoerr 'You need neovim 0.5 or newer to run this plugin'
finish
endif
let s:save_cpo = &cpo
set cpo&vim
command! GoFoldIfErr lua require('fold_if_err_nil').foldIfErrNills()
let &cpo = s:save_cpo
unlet s:save_cpo
let g:loaded_whid = 1
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