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460
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1 --
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2 -- Copied from https://gist.github.com/numToStr/1ab83dd2e919de9235f9f774ef8076da
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3 --
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4
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5 local function autocmd(this, event, spec)
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6 local is_table = type(spec) == 'table'
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7 local pattern = is_table and spec[1] or '*'
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8 local action = is_table and spec[2] or spec
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573
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9
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10 local opts = { pattern = pattern }
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460
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11 if type(action) == 'function' then
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573
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12 opts.callback = action
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13 else
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14 opts.command = action
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460
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15 end
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573
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16
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17 vim.api.nvim_create_autocmd(event, opts)
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460
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18 end
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19
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20 local S = {
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21 __au = {},
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22 }
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23
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24 local X = setmetatable({}, {
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25 __index = S,
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26 __newindex = autocmd,
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27 __call = autocmd,
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28 })
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29
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30 function S.exec(id)
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31 S.__au[id]()
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32 end
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33
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34 function S.set(fn)
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35 local id = string.format('%p', fn)
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36 S.__au[id] = fn
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37 return string.format('lua require("au").exec("%s")', id)
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38 end
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39
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40 function S.group(grp, cmds)
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573
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41 vim.api.nvim_create_augroup(grp, { clear = true })
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460
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42 if type(cmds) == 'function' then
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573
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43 -- TODO set group?
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460
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44 cmds(X)
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45 else
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46 for _, au in ipairs(cmds) do
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573
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47 local opts = { group = grp, pattern = au[2] }
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48 if type(au[3]) == 'function' then
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49 opts.callback = au[3]
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50 else
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51 opts.command = au[3]
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52 end
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53 vim.api.nvim_create_autocmd(au[1], opts)
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460
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54 end
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55 end
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56 end
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57
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58 return X
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