Fix broken previews

features/messages/impl/src/main/kotlin/io/element/android/features/messages/impl/timeline/model/event/TimelineItemEventContentProvider.kt

@@ -33,10 +33,12 @@ class TimelineItemEventContentProvider : PreviewParameterProvider<TimelineItemEv
         aTimelineItemTextContent(),
         aTimelineItemUnknownContent(),
         aTimelineItemTextContent().copy(isEdited = true),
-        aTimelineItemTextContent(body = "😁")
+        aTimelineItemTextContent(body = AN_EMOJI_ONLY_TEXT)
     )
 }
 
+const val AN_EMOJI_ONLY_TEXT = "😁"
+
 class TimelineItemTextBasedContentProvider : PreviewParameterProvider<TimelineItemTextBasedContent> {
     private fun buildSpanned(text: String) = buildSpannedString {
         inSpans(StyleSpan(Typeface.BOLD)) {

features/messages/impl/src/main/kotlin/io/element/android/features/messages/impl/utils/Emoji.kt

@@ -7,15 +7,20 @@
 
 package io.element.android.features.messages.impl.utils
 
+import androidx.compose.runtime.Composable
+import androidx.compose.ui.platform.LocalInspectionMode
 import com.sigpwned.emoji4j.core.Grapheme.Type.EMOJI
 import com.sigpwned.emoji4j.core.Grapheme.Type.PICTOGRAPHIC
 import com.sigpwned.emoji4j.core.GraphemeMatchResult
 import com.sigpwned.emoji4j.core.GraphemeMatcher
+import io.element.android.features.messages.impl.timeline.model.event.AN_EMOJI_ONLY_TEXT
 
 /**
  * Returns true if the string consists exclusively of "emoji or pictographic graphemes".
  */
+@Composable
 fun String.containsOnlyEmojis(): Boolean {
+    if (LocalInspectionMode.current) return this == AN_EMOJI_ONLY_TEXT
     if (isEmpty()) return false
 
     val matcher = GraphemeMatcher(this)