From 71e5b37dba5ca4514bd6d3e21e5efe60a62ddceb Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?R=C3=B3n=C3=A1n=20Carrigan?= <ronan@calypsoai.com>
Date: Fri, 20 Oct 2023 15:38:15 +0100
Subject: [PATCH] feat(output_panel): clear entire buffer

---
 doc/neotest.txt                             |  8 ++++++++
 lua/neotest/consumers/output_panel/init.lua | 11 ++++-------
 2 files changed, 12 insertions(+), 7 deletions(-)

diff --git a/doc/neotest.txt b/doc/neotest.txt
index 19c3f100..0d05dcce 100644
--- a/doc/neotest.txt
+++ b/doc/neotest.txt
@@ -446,6 +446,14 @@ Toggle the output panel
   lua require("neotest").output_panel.toggle()
 <
 
+                                                  *neotest.output_panel.clear()*
+`clear`()
+
+Clears the output panel
+>vim
+  lua require("neotest").output_panel.clear()
+<
+
 
 ==============================================================================
 neotest.run                                                        *neotest.run*
diff --git a/lua/neotest/consumers/output_panel/init.lua b/lua/neotest/consumers/output_panel/init.lua
index 5270239e..a65949c2 100644
--- a/lua/neotest/consumers/output_panel/init.lua
+++ b/lua/neotest/consumers/output_panel/init.lua
@@ -6,10 +6,6 @@ local OutputPanel = require("neotest.consumers.output_panel.panel")
 ---@type neotest.OutputPanel
 local panel
 
----@private
----@type number
-local chan
-
 local neotest = {}
 
 ---@toc_entry Output Panel Consumer
@@ -23,6 +19,7 @@ neotest.output_panel = {}
 local init = function(client)
   panel = OutputPanel(client)
 
+  local chan
   ---@param results table<string, neotest.Result>
   client.listeners.results = function(adapter_id, results, partial)
     if partial then
@@ -91,9 +88,9 @@ end
 ---   lua require("neotest").output_panel.clear()
 --- <
 function neotest.output_panel.clear()
-  if chan then
-    vim.api.nvim_chan_send(chan, "\x1b[H\x1b[2J")
-  end
+  nio.api.nvim_buf_set_option(panel.win:buffer(), "modifiable", true)
+  nio.api.nvim_buf_set_lines(panel.win:buffer(), 0, -1, false, {})
+  nio.api.nvim_buf_set_option(panel.win:buffer(), "modifiable", false)
 end
 
 neotest.output_panel = setmetatable(neotest.output_panel, {