[Refactor]: Remove vim-rooter and smart-cwd; then use project.nvim (#1315)

* Replace vim-rooter with project.nvim

* Implement stylua format

* Remove smart_cwd

* Implicitly update nvim-tree dir when project active

* Link datapath to cache

* Fix stylua

* Fix lint

* Fix telescope bug

* Fix telescope dependency

* Fix telescope once and for all

* Fix telescope once again

5 files changed, 61 insertions, 22 deletions

diff --git a/lua/core/dashboard.lua b/lua/core/dashboard.lua
index 649be14c..423cddd8 100644
--- a/lua/core/dashboard.lua
+++ b/lua/core/dashboard.lua
@@ -31,19 +31,16 @@ M.config = function()
         description = { "  Find File          " },
         command = "Telescope find_files",
       },
-      b = {
+      -- b is reserved for the core.project module
+      c = {
         description = { "  Recently Used Files" },
         command = "Telescope oldfiles",
       },
-      -- c = {
-      --   description = { "  Load Last Session  " },
-      --   command = "SessionLoad",
-      -- },
-      c = {
+      d = {
         description = { "  Find Word          " },
         command = "Telescope live_grep",
       },
-      d = {
+      e = {
         description = { "  Settings           " },
         command = ":e " .. USER_CONFIG_PATH,
       },
diff --git a/lua/core/nvimtree.lua b/lua/core/nvimtree.lua
index 7c99a91e..737f248e 100644
--- a/lua/core/nvimtree.lua
+++ b/lua/core/nvimtree.lua
@@ -60,6 +60,12 @@ M.setup = function()
     g["nvim_tree_" .. opt] = val
   end
 
+  -- Implicitly update nvim-tree when project module is active
+  if lvim.builtin.project.active then
+    vim.g.nvim_tree_update_cwd = 1
+    vim.g.nvim_tree_respect_buf_cwd = 1
+  end
+
   local tree_cb = nvim_tree_config.nvim_tree_callback
 
   if not g.nvim_tree_bindings then
diff --git a/lua/core/project.lua b/lua/core/project.lua
new file mode 100644
index 00000000..650f2924
--- /dev/null
+++ b/lua/core/project.lua
@@ -0,0 +1,48 @@
+local M = {}
+--
+function M.config()
+  lvim.builtin.project = {
+    --- This is on by default since it's currently the expected behavior.
+    ---@usage set to false to disable project.nvim.
+    active = true,
+
+    -- Manual mode doesn't automatically change your root directory, so you have
+    -- the option to manually do so using `:ProjectRoot` command.
+    manual_mode = false,
+
+    -- Methods of detecting the root directory. **"lsp"** uses the native neovim
+    -- lsp, while **"pattern"** uses vim-rooter like glob pattern matching. Here
+    -- order matters: if one is not detected, the other is used as fallback. You
+    -- can also delete or rearangne the detection methods.
+    detection_methods = { "lsp", "pattern" },
+
+    -- All the patterns used to detect root dir, when **"pattern"** is in
+    -- detection_methods
+    patterns = { ".git", "_darcs", ".hg", ".bzr", ".svn", "Makefile", "package.json" },
+
+    -- When set to false, you will get a message when project.nvim changes your
+    -- directory.
+    silent_chdir = true,
+  }
+end
+--
+function M.setup()
+  local settings = lvim.builtin.project
+
+  -- Table of lsp clients to ignore by name
+  -- eg: { "efm", ... }
+  settings["ignore_lsp"] = {}
+
+  -- Path where project.nvim will store the project history for use in
+  -- telescope
+  settings["datapath"] = CACHE_PATH
+
+  require("project_nvim").setup(settings)
+
+  lvim.builtin.dashboard.custom_section["b"] = {
+    description = { "  Recent Projects    " },
+    command = "Telescope projects",
+  }
+end
+--
+return M
diff --git a/lua/core/rooter.lua b/lua/core/rooter.lua
deleted file mode 100644
index 8ebdf7cc..00000000
--- a/lua/core/rooter.lua
+++ /dev/null
@@ -1,15 +0,0 @@
-local M = {}
-function M.config()
-  lvim.builtin.rooter = {
-    --- This is on by default since it's currently the expected behavior.
-    ---@usage set to false to disable vim-rooter.
-    active = true,
-    silent_chdir = 1,
-    manual_only = 0,
-  }
-end
-function M.setup()
-  vim.g.rooter_silent_chdir = lvim.builtin.rooter.silent_chdir
-  vim.g.rooter_manual_only = lvim.builtin.rooter.manual_only
-end
-return M
diff --git a/lua/core/telescope.lua b/lua/core/telescope.lua
index e72727a4..5d9263d7 100644
--- a/lua/core/telescope.lua
+++ b/lua/core/telescope.lua
@@ -119,6 +119,9 @@ function M.setup()
     return
   end
   telescope.setup(lvim.builtin.telescope)
+  if lvim.builtin.project.active then
+    pcall(require("telescope").load_extension, "projects")
+  end
 end
 
 return M