feat: remove need to specify patterns (#53)

- **feat: remove need of specifying patterns**
- **fix: change some things that broke the plugin**

lua/esqueleto/autocmd.lua

@@ -8,20 +8,27 @@ M.createautocmd = function(opts)
   -- create autocommands for skeleton insertion
   local group = vim.api.nvim_create_augroup("esqueleto", { clear = true })
 
-  vim.api.nvim_create_autocmd({ "BufWinEnter", "BufReadPost", "FileType" }, {
+  local function getpatterns()
+    if type(opts.patterns) == "function" then
+      if type(opts.directories) == "table" then
+        return vim.tbl_map(opts.patterns, opts.directories)
+      else
+        return opts.patterns(opts.directories)
+      end
+    else
+      return opts.patterns
+    end
+  end
+
+  vim.api.nvim_create_autocmd({ "BufNewFile", "BufReadPost", "FileType" }, {
     group = group,
     desc = "esqueleto.nvim :: Insert template",
-    pattern = opts.patterns,
+    pattern = getpatterns(),
     callback = function()
-      if vim.bo.buftype == "nofile" then
-        return nil
-      end
-
+      if vim.bo.buftype == "nofile" then return nil end
       local filepath = vim.fn.expand("%")
       local emptyfile = vim.fn.getfsize(filepath) < 4
-      if emptyfile then
-        utils.inserttemplate(opts)
-      end
+      if emptyfile then utils.inserttemplate(opts) end
     end,
   })
 end

lua/esqueleto/config.lua

@@ -4,8 +4,8 @@ local M = {}
 
 M.default_config = {
   autouse = true,
-  directories = { vim.fn.stdpath("config") .. "/skeletons" },
-  patterns = {},
+  directories = { vim.fn.stdpath("config") .. "/skeleton" },
+  patterns = function(dir) return vim.fn.readdir(dir) end,
   wildcards = {
     expand = true,
     lookup = {
@@ -48,8 +48,8 @@ M.updateconfig = function(config)
   -- Validate setup
   vim.validate({
     autouse = { config.autouse, 'boolean' },
-    directories = { config.directories, 'table' },
-    patterns = { config.patterns, 'table' },
+    directories = { config.directories, { 'table' } },
+    patterns = { config.patterns, { 'table', 'function' } },
     wildcards = { config.wildcards, "table" },
     advanced = { config.advanced, 'table' },
     ["advanced.ignored"] = { config.advanced.ignored, { 'table', 'function' } },