Ignore fileInfo requirements in Xcode Extension

Author: nicklockwood

EditorExtension/Extension/FormatFileCommand.swift

@@ -51,6 +51,9 @@ class FormatFileCommand: NSObject, XCSourceEditorCommand {
         formatOptions.indent = invocation.buffer.indentationString
         formatOptions.tabWidth = invocation.buffer.tabWidth
         formatOptions.swiftVersion = store.formatOptions.swiftVersion
+        if formatOptions.requiresFileInfo {
+            formatOptions.fileHeader = .ignore
+        }
 
         let output: [Token]
         do {

EditorExtension/Extension/FormatSelectionCommand.swift

@@ -56,6 +56,9 @@ class FormatSelectionCommand: NSObject, XCSourceEditorCommand {
         formatOptions.indent = invocation.buffer.indentationString
         formatOptions.tabWidth = invocation.buffer.tabWidth
         formatOptions.swiftVersion = store.formatOptions.swiftVersion
+        if formatOptions.requiresFileInfo {
+            formatOptions.fileHeader = .ignore
+        }
 
         // Apply formatting for each range
         var output = input

Sources/Options.swift

@@ -534,6 +534,11 @@ public struct FormatOptions: CustomStringConvertible {
         return indent.first == "\t"
     }
 
+    public var requiresFileInfo: Bool {
+        let string = fileHeader.rawValue
+        return string.contains("{created") || string.contains("{file")
+    }
+
     public var allOptions: [String: Any] {
         let pairs = Mirror(reflecting: self).children.map { ($0!, $1) }
         var options = Dictionary(pairs, uniquingKeysWith: { $1 })