refact: print_error and prompt_title

lua/telekasten/utils/files.lua

@@ -1,5 +1,6 @@
 local M = {}
 
+-- Checks if file exists
 function M.file_exists(fname)
     if fname == nil then
         return false
@@ -14,4 +15,28 @@ function M.file_exists(fname)
     end
 end
 
+-- Prompts the user for a note title
+function M.prompt_title(ext, defaultFile, callback)
+    local canceledStr = "__INPUT_CANCELLED__"
+
+    vim.ui.input({
+        prompt = "Title: ",
+        cancelreturn = canceledStr,
+        completion = "file",
+        default = defaultFile,
+    }, function(title)
+        if not title then
+            title = ""
+        end
+        if title == canceledStr then
+            vim.cmd("echohl WarningMsg")
+            vim.cmd("echomsg 'Note creation cancelled!'")
+            vim.cmd("echohl None")
+        else
+            title = strip_extension(title, ext)
+            callback(title)
+        end
+    end)
+end
+
 return M

lua/telekasten/utils/init.lua

@@ -1,12 +1,19 @@
 local M = {}
 
---- Escapes Lua pattern characters for use in gsub
+-- Prints a basic error message
+local function print_error(s)
+    vim.cmd("echohl ErrorMsg")
+    vim.cmd("echomsg " .. '"' .. s .. '"')
+    vim.cmd("echohl None")
+end
+
+-- Escapes Lua pattern characters for use in gsub
 function M.escape(s)
     -- return s:gsub("[^%w]", "%%%1") -- Escape everything ?
     return s:gsub("[%%%]%^%-$().[*+?]", "%%%1")
 end
 
---- Returns string with listed chars removed (= safer gsub)
+-- Returns string with listed chars removed (= safer gsub)
 function M.strip(s, chars_to_remove)
     return s:gsub("[" .. M.escape(chars_to_remove) .. "]", "")
 end
@@ -17,27 +24,4 @@ local function strip_extension(str, ext)
     return str:gsub("(" .. ext:gsub("%.", "%%.") .. ")$", "")
 end
 
-function M.prompt_title(ext, defaultFile, callback)
-    local canceledStr = "__INPUT_CANCELLED__"
-
-    vim.ui.input({
-        prompt = "Title: ",
-        cancelreturn = canceledStr,
-        completion = "file",
-        default = defaultFile,
-    }, function(title)
-        if not title then
-            title = ""
-        end
-        if title == canceledStr then
-            vim.cmd("echohl WarningMsg")
-            vim.cmd("echomsg 'Note creation cancelled!'")
-            vim.cmd("echohl None")
-        else
-            title = strip_extension(title, ext)
-            callback(title)
-        end
-    end)
-end
-
 return M