fix some minor lsp warnings

Author: Le0Developer

CHANGELOG.md

@@ -23,6 +23,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 ### Fixed
 
 - Fixed `package.searchpath` not being used in Lua 5.2+ (instead falling back to our implementation)
+- Fixed some minor LSP warnings
 
 ## [v0.4.3] - 2022-10-29
 

luapack.yue

@@ -87,22 +87,22 @@ export default_plugins = {n: 0}
 
 fast_push default_plugins,
  name: "lua"
- searchpath: (packer, name) -> searchpath_compat name, package.path
+ searchpath: (_, name) -> searchpath_compat name, package.path
 
 if "table" == type yue
  fast_push default_plugins,
  name: "yuescript"
- searchpath: (packer, name) -> searchpath_compat name, package_path_with_different_extension "yue"
- loader: (packer, name, filename, content) ->
+ searchpath: (_, name) -> searchpath_compat name, package_path_with_different_extension "yue"
+ loader: (_, _, filename, content) ->
  return false unless check_file_extension filename, ".yue"
  lua = yue.to_lua content, reserve_line_number: false
  lua, replace_file_extension filename, ".yue", ".lua"
 
 if "table" == type moon
  fast_push default_plugins,
  name: "moonscript"
- searchpath: (packer, name) -> searchpath_compat name, package_path_with_different_extension "moon"
- loader: (packer, name, filename, content) ->
+ searchpath: (_, name) -> searchpath_compat name, package_path_with_different_extension "moon"
+ loader: (_, _, filename, content) ->
  return false unless check_file_extension filename, ".moon"
  lua = moon.to_lua content
  lua, replace_file_extension filename, ".moon", ".lua"
@@ -293,9 +293,12 @@ cli = (arguments) ->
 
  if options.standalone
  local content
- with io.open filename, "r"
- content = ::read "*a"
- ::close!
+ do
+ fd = io.open filename, "r"
+ error "file not found: #{filename}" unless fd?
+ with fd
+ content = ::read "*a"
+ ::close!
  packer::include name for name in content::gmatch "[^\n]+"
  else
  packer::pack filename
@@ -304,9 +307,12 @@ cli = (arguments) ->
  outfile = options.outfile or filename::gsub "%.(%a+)$", ".packed.lua"
  print "Packed into #{outfile}"
  break if filename == outfile
- with io.open outfile, "w"
- ::write packed
- ::close!
+ do
+ fd = io.open outfile, "w"
+ error "could not open file" unless fd?
+ with fd
+ ::write packed
+ ::close!
 
 
 check_cli = =>