fix(commands): use strftime for session updated_at

Author: mhiro2

lua/peekstack/commands.lua

@@ -32,7 +32,7 @@ local function session_updated_at_text(session)
   if type(updated_at) ~= "number" then
     return "unknown"
   end
-  return os.date("%Y-%m-%d %H:%M:%S", updated_at)
+  return vim.fn.strftime("%Y-%m-%d %H:%M:%S", updated_at)
 end
 
 ---@return string[]

tests/commands_spec.lua

@@ -5,13 +5,15 @@ describe("peekstack.commands", function()
   local original_list_sessions = nil
   local original_select = nil
   local original_notify = nil
+  local original_strftime = nil
 
   before_each(function()
     config.setup({})
     commands._reset()
     original_list_sessions = persist.list_sessions
     original_select = vim.ui.select
     original_notify = vim.notify
+    original_strftime = vim.fn.strftime
   end)
 
   after_each(function()
@@ -25,6 +27,9 @@ describe("peekstack.commands", function()
     if original_notify then
       vim.notify = original_notify
     end
+    if original_strftime then
+      vim.fn.strftime = original_strftime
+    end
     commands._reset()
   end)
 
@@ -91,6 +96,45 @@ describe("peekstack.commands", function()
     assert.is_true(vim.list_contains(messages, "peekstack.persist is disabled"))
   end)
 
+  it("formats session updated_at with vim.fn.strftime", function()
+    local prompts = {}
+    local strftime_calls = {}
+
+    persist.list_sessions = function(opts)
+      assert.is_truthy(opts)
+      assert.is_truthy(opts.on_done)
+      opts.on_done({
+        alpha = {
+          items = {},
+          meta = { updated_at = 123 },
+        },
+      })
+      return {}
+    end
+
+    vim.fn.strftime = function(fmt, ts)
+      table.insert(strftime_calls, { fmt = fmt, ts = ts })
+      return "formatted-time"
+    end
+
+    vim.ui.select = function(_items, opts, on_choice)
+      table.insert(prompts, opts.prompt)
+      if opts.prompt == "Select a session" then
+        on_choice("alpha")
+        return
+      end
+      on_choice("Info only")
+    end
+
+    commands.setup()
+    vim.api.nvim_cmd({ cmd = "PeekstackListSessions" }, {})
+
+    assert.equals(1, #strftime_calls)
+    assert.equals("%Y-%m-%d %H:%M:%S", strftime_calls[1].fmt)
+    assert.equals(123, strftime_calls[1].ts)
+    assert.equals("alpha: 0 items (updated: formatted-time)", prompts[2])
+  end)
+
   it("includes extended providers in quick peek completion", function()
     commands.setup()
     local names = vim.fn.getcompletion("PeekstackQuickPeek ", "cmdline")