Show typing suggestions for text with whitespace (mentions with full name)

Author: laevandus

CHANGELOG.md

@@ -7,6 +7,8 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/).
 - Feature rich markdown rendering with AttributedString [#757](https://github.com/GetStream/stream-chat-swiftui/pull/757)
 - Add `Fonts.title2` for supporting markdown headers [#757](https://github.com/GetStream/stream-chat-swiftui/pull/757)
 - Add `resignsFirstResponderOnScrollDown` to `MessageListConfig` [#769](https://github.com/GetStream/stream-chat-swiftui/pull/769)
+### 🐞 Fixed
+- Show typing suggestions for names containing whitespace [#781](https://github.com/GetStream/stream-chat-swiftui/pull/781)
 ### 🔄 Changed
 - Uploading a HEIC photo from the library is now converted to JPEG for better compatibility [#767](https://github.com/GetStream/stream-chat-swiftui/pull/767)
 - Customizing the message avatar view is reflected in all views that use it [#772](https://github.com/GetStream/stream-chat-swiftui/pull/772)

Sources/StreamChatSwiftUI/ChatChannel/Composer/Suggestions/TypingSuggester.swift

@@ -115,14 +115,9 @@ public struct TypingSuggester {
             return nil
         }
 
-        // Fetch the suggestion text. The suggestions can't have spaces.
-        // valid example: "@luke_skywa..."
-        // invalid example: "@luke skywa..."
+        // Fetch the suggestion text.
         let suggestionLocation = NSRange(location: suggestionStart, length: suggestionEnd - suggestionStart)
         let suggestionText = textString.substring(with: suggestionLocation)
-        guard !suggestionText.contains(" ") else {
-            return nil
-        }
 
         // A minimum number of characters can be provided to only show
         // suggestions after the customer has input enough characters.

StreamChatSwiftUITests/Tests/ChatChannel/Suggestions/TypingSuggester_Tests.swift

@@ -62,12 +62,12 @@ class TypingSuggester_Tests: XCTestCase {
         XCTAssert(suggestion?.locationRange == NSRange(location: 1, length: 2))
     }
 
-    func test_typingSuggester_notFoundEmptySpace() {
+    func test_typingSuggester_emptySpaceAllowed() {
         // Given
         let options = TypingSuggestionOptions(symbol: "@")
         let typingSuggester = TypingSuggester(options: options)
-        let string = "@M art"
-        let caretLocation = 3
+        let string = "@Han Solo"
+        let caretLocation = 6
 
         // When
         let suggestion = typingSuggester.typingSuggestion(
@@ -76,7 +76,8 @@ class TypingSuggester_Tests: XCTestCase {
         )
 
         // Then
-        XCTAssert(suggestion == nil)
+        XCTAssertEqual("Han S", suggestion?.text)
+        XCTAssertEqual(NSRange(location: 1, length: 5), suggestion?.locationRange)
     }
 
     func test_typingSuggester_notFoundNotOnStart() {