refactor: MediatorLiveData 확장 함수 Util 파일 생성

woowacourse-teams · Aug 9, 2023 · b2f62e8 · b2f62e8
1 parent 27df92e
commit b2f62e8
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Showing 2 changed files with 17 additions and 11 deletions.
diff --git a/...id/app/src/main/java/com/created/team201/presentation/createStudy/CreateStudyViewModel.kt b/...id/app/src/main/java/com/created/team201/presentation/createStudy/CreateStudyViewModel.kt
@@ -19,6 +19,7 @@ import com.created.team201.presentation.createStudy.model.CreateStudyUiModel
 import com.created.team201.presentation.createStudy.model.PeriodUiModel
 import com.created.team201.util.NonNullLiveData
 import com.created.team201.util.NonNullMutableLiveData
+import com.created.team201.util.addSourceList
 import kotlinx.coroutines.launch
 
 class CreateStudyViewModel(
@@ -136,17 +137,6 @@ class CreateStudyViewModel(
 
     private fun Int.isNotZero(): Boolean = this != 0
 
-    private fun <T> MediatorLiveData<T>.addSourceList(
-        vararg liveDataArgument: LiveData<*>,
-        onChanged: () -> T,
-    ) {
-        liveDataArgument.forEach {
-            this.addSource(it) {
-                value = onChanged()
-            }
-        }
-    }
-
     companion object {
         val Factory: ViewModelProvider.Factory = viewModelFactory {
             initializer {

diff --git a/android/app/src/main/java/com/created/team201/util/MediatorLiveDataExtension.kt b/android/app/src/main/java/com/created/team201/util/MediatorLiveDataExtension.kt
@@ -0,0 +1,16 @@
+package com.created.team201.util
+
+import androidx.lifecycle.LiveData
+import androidx.lifecycle.MediatorLiveData
+
+fun <T> MediatorLiveData<T>.addSourceList(
+    vararg liveDataArgument: LiveData<*>,
+    onChanged: () -> T,
+) {
+    liveDataArgument.forEach {
+        this.addSource(it) {
+            value = onChanged()
+        }
+    }
+}
+