Fix issue where tapping backspace to delete a single letter also selects the previous token

.gitignore

@@ -1,17 +1,72 @@
-# Xcode
+
+# Created by https://www.toptal.com/developers/gitignore/api/macos,synology,xcode,swiftpackagemanager,cocoapods
+# Edit at https://www.toptal.com/developers/gitignore?templates=macos,synology,xcode,swiftpackagemanager,cocoapods
+
+### CocoaPods ###
+## CocoaPods GitIgnore Template
+
+# CocoaPods - Only use to conserve bandwidth / Save time on Pushing
+#           - Also handy if you have a large number of dependant pods
+#           - AS PER https://guides.cocoapods.org/using/using-cocoapods.html NEVER IGNORE THE LOCK FILE
+Pods/
+
+### macOS ###
+# General
 .DS_Store
-build/
-*.pbxuser
-!default.pbxuser
-*.mode1v3
-!default.mode1v3
-*.mode2v3
-!default.mode2v3
-*.perspectivev3
-!default.perspectivev3
-*.xccheckout
+.AppleDouble
+.LSOverride
+
+# Icon must end with two \r
+Icon
+
+
+# Thumbnails
+._*
+
+# Files that might appear in the root of a volume
+.DocumentRevisions-V100
+.fseventsd
+.Spotlight-V100
+.TemporaryItems
+.Trashes
+.VolumeIcon.icns
+.com.apple.timemachine.donotpresent
+
+# Directories potentially created on remote AFP share
+.AppleDB
+.AppleDesktop
+Network Trash Folder
+Temporary Items
+.apdisk
+
+### SwiftPackageManager ###
+Packages
+.build/
 xcuserdata
-profile
-*.moved-aside
-DerivedData
-.idea/
+DerivedData/
+*.xcodeproj
+
+
+### Synology ###
+# Thumbnails
+@eaDir
+# Recycle bin
+\#recycle
+
+### Xcode ###
+## User settings
+xcuserdata/
+
+## Xcode 8 and earlier
+*.xcscmblueprint
+*.xccheckout
+
+### Xcode Patch ###
+*.xcodeproj/*
+!*.xcodeproj/project.pbxproj
+!*.xcodeproj/xcshareddata/
+!*.xcworkspace/contents.xcworkspacedata
+/*.gcno
+**/xcshareddata/WorkspaceSettings.xcsettings
+
+# End of https://www.toptal.com/developers/gitignore/api/macos,synology,xcode,swiftpackagemanager,cocoapods

CLTokenInputView/CLTokenInputView/CLBackspaceDetectingTextField.m

@@ -46,10 +46,6 @@ - (BOOL)keyboardInputShouldDelete:(UITextField *)textField {
         }
     }
 
-    if (![textField.text length] && [[[UIDevice currentDevice] systemVersion] intValue] >= 8) {
-        [self deleteBackward];
-    }
-
     return shouldDelete;
 }
 

CLTokenInputView/CLTokenInputView/CLTokenInputView.m

@@ -274,8 +274,18 @@ - (void)repositionViews
     textFieldRect.size.height = STANDARD_ROW_HEIGHT;
     self.textField.frame = textFieldRect;
 
+    // Don't include text field in height calculation to prevent extra space from showing at the bottom
+    // But if we start typing in the text field then it should be included
     CGFloat oldContentHeight = self.intrinsicContentHeight;
-    self.intrinsicContentHeight = MAX(totalHeight, CGRectGetMaxY(textFieldRect)+PADDING_BOTTOM);
+    BOOL notFullWidth = availableWidthForTextField < bounds.size.width - PADDING_LEFT - PADDING_RIGHT - 50;
+    BOOL includeTextFieldHeight = notFullWidth || self.textField.text.length > 0 || self.textField.isFirstResponder;
+
+    if (includeTextFieldHeight) {
+        self.intrinsicContentHeight = MAX(totalHeight, CGRectGetMaxY(textFieldRect)+PADDING_BOTTOM);
+    } else {
+        self.intrinsicContentHeight = totalHeight;
+    }
+
     [self invalidateIntrinsicContentSize];
 
     if (oldContentHeight != self.intrinsicContentHeight) {
@@ -307,18 +317,13 @@ - (void)layoutSubviews
 
 - (void)textFieldDidDeleteBackwards:(UITextField *)textField
 {
-    // Delay selecting the next token slightly, so that on iOS 8
-    // the deleteBackward on CLTokenView is not called immediately,
-    // causing a double-delete
-    dispatch_async(dispatch_get_main_queue(), ^{
-        if (textField.text.length == 0) {
-            CLTokenView *tokenView = self.tokenViews.lastObject;
-            if (tokenView) {
-                [self selectTokenView:tokenView animated:YES];
-                [self.textField resignFirstResponder];
-            }
+    if (textField.text.length == 0) {
+        CLTokenView *tokenView = self.tokenViews.lastObject;
+        if (tokenView) {
+            [self selectTokenView:tokenView animated:YES];
+            [self.textField resignFirstResponder];
         }
-    });
+    }
 }
 
 
@@ -331,6 +336,7 @@ - (void)textFieldDidBeginEditing:(UITextField *)textField
     }
     self.tokenViews.lastObject.hideUnselectedComma = NO;
     [self unselectAllTokenViewsAnimated:YES];
+    [self repositionViews];
 }
 
 - (void)textFieldDidEndEditing:(UITextField *)textField
@@ -339,6 +345,7 @@ - (void)textFieldDidEndEditing:(UITextField *)textField
         [self.delegate tokenInputViewDidEndEditing:self];
     }
     self.tokenViews.lastObject.hideUnselectedComma = YES;
+    [self repositionViews];
 }
 
 - (BOOL)textFieldShouldReturn:(UITextField *)textField
@@ -368,6 +375,7 @@ - (BOOL)                    textField:(UITextField *)textField
 
 - (void)onTextFieldDidChange:(id)sender
 {
+    [self repositionViews];
     if ([self.delegate respondsToSelector:@selector(tokenInputView:didChangeText:)]) {
         [self.delegate tokenInputView:self didChangeText:self.textField.text];
     }

Package.swift

@@ -0,0 +1,20 @@
+// swift-tools-version:5.3
+
+import PackageDescription
+
+let package = Package(
+    name: "CLTokenInputView",
+    platforms: [
+        .iOS(.v11)
+    ],
+    products: [
+        .library(name: "CLTokenInputView", targets: ["CLTokenInputView"])
+    ],
+    targets: [
+        .target(
+            name: "CLTokenInputView",
+            path: "CLTokenInputView/CLTokenInputView",
+            publicHeadersPath: "./"
+        )
+    ]
+)