From 35e7ff10ce90388ab5418f71446b1b7d9d8066b4 Mon Sep 17 00:00:00 2001
From: aminnairi <18418459+aminnairi@users.noreply.github.com>
Date: Sun, 24 Dec 2023 12:23:13 +0100
Subject: [PATCH] added dynamic window resizing of width using nvim tree

---
 nvim/lua/settings/lazy/plugins/nvimtree.lua | 100 +++++++++++++++++++-
 1 file changed, 99 insertions(+), 1 deletion(-)

diff --git a/nvim/lua/settings/lazy/plugins/nvimtree.lua b/nvim/lua/settings/lazy/plugins/nvimtree.lua
index 5e18726..ae5e4eb 100644
--- a/nvim/lua/settings/lazy/plugins/nvimtree.lua
+++ b/nvim/lua/settings/lazy/plugins/nvimtree.lua
@@ -1,3 +1,78 @@
+local function use_nvim_tree_width(options)
+  if type(options) ~= "table" then
+    return
+  end
+
+  ---@type number
+  local offset = options.offset
+
+  ---@type number
+  local initial_width = options.initial_width
+
+  local initial_width_type = type(initial_width)
+
+  local on_width_updated = options.on_width_updated
+
+  if type(on_width_updated) ~= "function" then
+    on_width_updated = function() end
+  end
+
+  if type(offset) ~= "number" then
+    offset = 10
+  end
+
+  if initial_width_type ~= "number" and initial_width_type ~= "table" then
+    initial_width = 30
+  end
+
+  ---@type number|table
+  local previous_width = initial_width
+
+  if initial_width_type ~= "number" then
+    previous_width = 30
+  end
+
+  ---@type number|table
+  local width = initial_width
+
+  local function get_width()
+    return width
+  end
+
+  local function increment_width()
+    if type(width) == "table" then
+      width = previous_width
+    end
+
+    local new_width = width + offset
+
+    previous_width = new_width
+    width = new_width
+
+    on_width_updated(new_width)
+  end
+
+  local function decrement_width()
+    if type(width) == "table" then
+      width = previous_width
+    end
+
+    local new_width = width - offset
+
+    previous_width = new_width
+    width = new_width
+
+    on_width_updated(new_width)
+  end
+
+  local function dynamic_width()
+    width = {}
+    on_width_updated(width)
+  end
+
+  return get_width, increment_width, decrement_width, dynamic_width
+end
+
 return {
   "nvim-tree/nvim-tree.lua",
   dependencies = {
@@ -10,11 +85,19 @@ return {
 
     local nvimTreeApi = require("nvim-tree.api")
 
+    local get_width, increment_width, decrement_width, dynamic_width = use_nvim_tree_width({
+      offset = 5,
+      initial_width = 30,
+      on_width_updated = function(width)
+        vim.cmd.NvimTreeResize(width)
+      end
+    })
+
     require("nvim-tree").setup({
       auto_reload_on_write = true,
       sort_by = "case_sensitive",
       view = {
-        width = {},
+        width = get_width,
       },
       filters = {
         dotfiles = false,
@@ -30,6 +113,21 @@ return {
     whichKey.register({
       ["<leader>n"] = {
         name = "NvimTree",
+        w = {
+          name = "NvimTree Width",
+          i = {
+            increment_width,
+            "Increment NvimTree Width"
+          },
+          d = {
+            decrement_width,
+            "Increment NvimTree Width"
+          },
+          a = {
+            dynamic_width,
+            "Automatic NvimTree Width"
+          }
+        },
         t = {
           function()
             nvimTreeApi.tree.toggle()