Mercurial > dotfiles
comparison .chezmoitemplates/au.lua @ 460:ae7e377bced8
Add autocmd wrapper for lua
| author | zegervdv <zegervdv@me.com> |
|---|---|
| date | Sun, 19 Sep 2021 14:57:14 +0200 |
| parents | |
| children | 1635e29e0ed4 |
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| 459:43262db8ecf6 | 460:ae7e377bced8 |
|---|---|
| 1 -- | |
| 2 -- Copied from https://gist.github.com/numToStr/1ab83dd2e919de9235f9f774ef8076da | |
| 3 -- | |
| 4 local cmd = vim.api.nvim_command | |
| 5 | |
| 6 local function autocmd(this, event, spec) | |
| 7 local is_table = type(spec) == 'table' | |
| 8 local pattern = is_table and spec[1] or '*' | |
| 9 local action = is_table and spec[2] or spec | |
| 10 if type(action) == 'function' then | |
| 11 action = this.set(action) | |
| 12 end | |
| 13 local e = type(event) == 'table' and table.concat(event, ',') or event | |
| 14 cmd('autocmd ' .. e .. ' ' .. pattern .. ' ' .. action) | |
| 15 end | |
| 16 | |
| 17 local S = { | |
| 18 __au = {}, | |
| 19 } | |
| 20 | |
| 21 local X = setmetatable({}, { | |
| 22 __index = S, | |
| 23 __newindex = autocmd, | |
| 24 __call = autocmd, | |
| 25 }) | |
| 26 | |
| 27 function S.exec(id) | |
| 28 S.__au[id]() | |
| 29 end | |
| 30 | |
| 31 function S.set(fn) | |
| 32 local id = string.format('%p', fn) | |
| 33 S.__au[id] = fn | |
| 34 return string.format('lua require("au").exec("%s")', id) | |
| 35 end | |
| 36 | |
| 37 function S.group(grp, cmds) | |
| 38 cmd('augroup ' .. grp) | |
| 39 cmd 'autocmd!' | |
| 40 if type(cmds) == 'function' then | |
| 41 cmds(X) | |
| 42 else | |
| 43 for _, au in ipairs(cmds) do | |
| 44 autocmd(S, au[1], { au[2], au[3] }) | |
| 45 end | |
| 46 end | |
| 47 cmd 'augroup END' | |
| 48 end | |
| 49 | |
| 50 return X |