Update wezterm config

.config/wezterm/util/init.lua

@@ -1,4 +1,5 @@
-local wezterm = require("wezterm")
+local wezterm = require("wezterm") --[[@as Wezterm]]
+local act = wezterm.action
 
 local M = {}
 
@@ -11,8 +12,8 @@ M.merge_tables = function(a, b)
     end
 end
 
+-- Only load color schemes once; store them for later use
 M.get_schemes = function()
-    -- Only load color schemes once; store them for later use
     local schemes = wezterm.GLOBAL.color_schemes
     if schemes then
         return schemes
@@ -21,4 +22,34 @@ M.get_schemes = function()
     return wezterm.GLOBAL.color_schemes
 end
 
+-- Mimicks the show_last_command_output command in Kitty
+-- Spawns the pager in a new tab since Wezterm (for now) lacks overlays
+-- This function is meant to be used as a keybinding callback
+M.open_last_output_in_less = function(window, pane)
+    -- Grab the last nonempty "output" semantic zone
+    local zones = pane:get_semantic_zones("Output")
+    local last_output = ""
+    local idx = #zones
+    while true do
+        if idx == 0 then
+            break
+        end
+        last_output = pane:get_text_from_semantic_zone(zones[idx])
+        if last_output ~= "" then
+            break
+        end
+        idx = idx - 1
+    end
+
+    -- Ensure any quotes in output are properly escaped
+    -- This is because we need to use sh/echo as a hackaround for wezterm not supporting passing stdin to
+    -- commands spawned in a new tab/window
+    -- See this StackOverflow question/answer for why this particular substitution works: https://stackoverflow.com/a/1315213
+    last_output = last_output:gsub("'", "'\\''")
+
+    -- Spawn less in a new tab
+    local action = act.SpawnCommandInNewTab({ args = { "sh", "-c", "echo '" .. last_output .. "' | less -R" } })
+    window:perform_action(action, pane)
+end
+
 return M