scaffold more stuff

lua/guard/api.lua

@@ -45,7 +45,7 @@ function M.enable_lint(bufnr)
   local buf = bufnr or api.nvim_get_current_buf()
   local ft = require('guard.filetype')[vim.bo[buf].ft] or {}
   if ft.linter and #ft.linter > 0 then
-    events.try_attach_lint_to_buf(buf, require('guard.util').linter_events(ft.linter[1]))
+    events.try_attach_lint_to_buf(buf, require('guard.util').linter_events(ft.linter[1]), ft)
   end
 end
 

lua/guard/events.lua

@@ -8,6 +8,7 @@ local M = {}
 M.group = api.nvim_create_augroup('Guard', { clear = true })
 
 M.user_fmt_autocmds = {}
+M.user_lint_autocmds = {}
 
 local debounce_timer = nil
 local function debounced_lint(opt)
@@ -92,9 +93,22 @@ function M.check_fmt_should_attach(buf)
 end
 
 ---@param buf number
+---@param ft string
 ---@return boolean
-function M.check_lint_should_attach(buf)
-  return #M.get_lint_autocmds(buf) == 0 and vim.bo[buf].buftype ~= 'nofile'
+function M.check_lint_should_attach(buf, ft)
+  if vim.bo[buf].buftype == 'nofile' then
+    return false
+  end
+
+  local aus = M.get_lint_autocmds(buf)
+
+  return #iter(aus)
+    :filter(ft == '*' and function(it)
+      return it.pattern == '*'
+    end or function(it)
+      return it.pattern ~= '*'
+    end)
+    :totable() == 0
 end
 
 ---@param buf number
@@ -111,9 +125,9 @@ end
 
 ---@param buf number
 ---@param events string[]
----@param skip_check boolean
-function M.try_attach_lint_to_buf(buf, events, skip_check)
-  if not skip_check and not M.check_lint_should_attach(buf) then
+---@param ft string
+function M.try_attach_lint_to_buf(buf, events, ft)
+  if not M.check_lint_should_attach(buf, ft) then
     return
   end
 
@@ -124,15 +138,15 @@ function M.try_attach_lint_to_buf(buf, events, skip_check)
         pattern = 'GuardFmt',
         callback = function(opt)
           if opt.data.status == 'done' then
-            debounced_lint(opt)
+            lazy_debounced_lint(opt)
           end
         end,
       })
     else
       au(ev, {
         group = M.group,
         buffer = buf,
-        callback = debounced_lint,
+        callback = lazy_debounced_lint,
       })
     end
   end
@@ -222,14 +236,14 @@ function M.lint_watch_ft(ft, events)
     pattern = ft,
     group = M.group,
     callback = function(args)
-      M.try_attach_lint_to_buf(args.buf, events, ft == '*')
+      M.try_attach_lint_to_buf(args.buf, events, ft)
     end,
   })
 end
 
 ---@param events EventOption[]
 ---@param ft string
-function M.attach_custom(ft, events)
+function M.fmt_attach_custom(ft, events)
   M.user_fmt_autocmds[ft] = {}
   -- we don't know what autocmds are passed in, so these are attached asap
   iter(events):each(function(event)
@@ -245,4 +259,22 @@ function M.attach_custom(ft, events)
   end)
 end
 
+---@param events EventOption[]
+---@param ft string
+function M.lint_attach_custom(ft, events)
+  M.user_lint_autocmds[ft] = {}
+  -- we don't know what autocmds are passed in, so these are attached asap
+  iter(events):each(function(event)
+    table.insert(
+      M.user_fmt_autocmds[ft],
+      api.nvim_create_autocmd(
+        event.name,
+        maybe_fill_auoption(event.opt or {}, function(opt)
+          -- TODO
+        end)
+      )
+    )
+  end)
+end
+
 return M

lua/guard/filetype.lua

@@ -76,7 +76,7 @@ local function box(ft)
 
       if type(config) == 'table' and config.events then
         -- use user's custom events
-        events.attach_custom(it, config.events)
+        events.fmt_attach_custom(it, config.events)
       else
         events.fmt_watch_ft(it, self.formatter)
         events.fmt_attach_to_existing(it)
@@ -100,7 +100,13 @@ local function box(ft)
         M[it] = box(it)
         M[it].linter = self.linter
       end
-      events.lint_watch_ft(it, evs)
+
+      if type(config) == 'table' and config.events then
+        -- use user's custom events
+        events.lint_attach_custom(it, config.events)
+      else
+        events.lint_watch_ft(it, evs)
+      end
     end
     return self
   end
@@ -109,7 +115,15 @@ local function box(ft)
     if not check_type(config, { 'table', 'string', 'function' }) then
       return
     end
-    self[current][#self[current] + 1] = try_as(current, config)
+    local c = try_as(current, config)
+    self[current][#self[current] + 1] = c
+
+    if current == 'linter' and type(c) == 'table' and c.events then
+      for _, it in ipairs(self:ft()) do
+        require('guard.events').lint_attach_custom(it, config.events)
+      end
+    end
+
     return self
   end