chore(utils): reorganize utils

lua/telekasten/utils/init.lua

@@ -0,0 +1,32 @@
+local M = {}
+
+-- strip an extension from a file name, escaping "." properly, eg:
+-- strip_extension("path/Filename.md", ".md") -> "path/Filename"
+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