feat(xcode): support `Package.swift` as project file in `xc` (#10358)

plugins/xcode/README.md

@@ -26,7 +26,7 @@ plugins=(... xcode)
 
 ###  `xc`
 
-Opens the current directory in Xcode as an Xcode project. This will open one of the `.xcworkspace` and `.xcodeproj` files that it can find in the current working directory. You can also specify a directory to look in for the Xcode files.
+Opens the current directory in Xcode as an Xcode project or a Swift package. This will open one of the `.xcworkspace`, `.xcodeproj` and `Package.swift` files that it can find in the current working directory. You can also specify a directory to look in for the Xcode files.
 Returns 1 if it didn't find any relevant files.
 
 ###  `xx`

plugins/xcode/xcode.plugin.zsh

@@ -6,28 +6,18 @@ alias xcsel='sudo xcode-select --switch'
 # original author: @subdigital
 # source: https://gist.github.com/subdigital/5420709
 function xc {
-  local xcode_proj
-  if [[ $# == 0 ]]; then
-    xcode_proj=(*.{xcworkspace,xcodeproj}(N))
-  else
-    xcode_proj=($1/*.{xcworkspace,xcodeproj}(N))
-  fi
-
+  local xcode_files
+  xcode_files=(${1:-.}/{*.{xcworkspace,xcodeproj},Package.swift}(N))
 
-  if [[ ${#xcode_proj} -eq 0 ]]; then
-    if [[ $# == 0 ]]; then
-      echo "No xcworkspace/xcodeproj file found in the current directory."
-    else
-      echo "No xcworkspace/xcodeproj file found in $1."
-    fi
+  if [[ ${#xcode_files} -eq 0 ]]; then
+    echo "No Xcode files found in ${1:-the current directory}." >&2
     return 1
-  else
-    local active_path
-    active_path=$(xcode-select -p)
-    active_path=${active_path%%/Contents/Developer*}
-    echo "Found ${xcode_proj[1]}. Opening with ${active_path}"
-    open -a "$active_path" "${xcode_proj[1]}"
   fi
+
+  local active_path
+  active_path=${"$(xcode-select -p)"%%/Contents/Developer*}
+  echo "Found ${xcode_files[1]}. Opening with ${active_path}"
+  open -a "$active_path" "${xcode_files[1]}"
 }
 
 # Opens a file or files in the Xcode IDE. Multiple files are opened in multi-file browser