feat(files): closes #84, add find_args config option

Author: cseickel

lua/neo-tree/defaults.lua

@@ -95,6 +95,32 @@ local config = {
       },
     },
     --find_command = "fd",
+    ---- you can specify extra args to pass to the find command.
+    --find_args = {
+    --  "--exclude", ".git",
+    --  "--exclude",  "node_modules"
+    --},
+    ---- or use a function instead of list of strings
+    --find_args = function(cmd, path, search_term, args)
+    --  if cmd ~= "fd" then
+    --    return args
+    --  end
+    --  --maybe you want to force the filter to always include hidden files:
+    --  table.insert(args, "--hidden")
+    --  -- but no one ever wants to see .git files
+    --  table.insert(args, "--exclude")
+    --  table.insert(args, ".git")
+    --  -- or node_modules
+    --  table.insert(args, "--exclude")
+    --  table.insert(args, "node_modules")
+    --  --here is where it pays to use the function, you can exclude more for
+    --  --short search terms, or vary based on the directory
+    --  if string.len(search_term) < 4 and path == "/home/cseickel" then
+    --    table.insert(args, "--exclude")
+    --    table.insert(args, "Library")
+    --  end
+    --  return args
+    --end,
     search_limit = 50, -- max number of search results when using filters
     filters = {
       show_hidden = false,

lua/neo-tree/sources/filesystem/lib/filter_external.lua

@@ -4,6 +4,7 @@ local Job = require("plenary.job")
 
 local M = {}
 local fd_supports_max_results = nil
+local unpack = unpack or table.unpack
 
 local test_for_max_results = function(cmd)
   if fd_supports_max_results == nil then
@@ -84,6 +85,16 @@ M.find_files = function(opts)
     return { "No search command found!" }
   end
 
+  if opts.find_args then
+    if type(opts.find_args) == "string" then
+      append(opts.find_args)
+    elseif type(opts.find_args) == "table" then
+      append(unpack(opts.find_args))
+    elseif type(opts.find_args) == "function" then
+      args = opts.find_args(cmd, path, term, args)
+    end
+  end
+
   Job
     :new({
       command = cmd,

lua/neo-tree/sources/filesystem/lib/fs_scan.lua

@@ -110,6 +110,7 @@ M.get_items_async = function(state, parent_id, path_to_reveal, callback)
       limit = state.search_limit or 50,
       path = root.path,
       term = state.search_pattern,
+      find_args = state.find_args,
       on_insert = function(err, path)
         if err and #err > 0 then
           log.error(err, path)