improvements in language codes

language_codes/build.gradle

@@ -5,3 +5,11 @@ plugins {
 }
 
 apply from: "$mppProjectWithSerializationPresetPath"
+
+kotlin {
+    sourceSets {
+        jvmMain {
+            dependsOn androidMain
+        }
+    }
+}

language_codes/src/jvmMain/kotlin/Locale.kt

@@ -0,0 +1,8 @@
+package dev.inmo.micro_utils.language_codes
+
+import java.util.Locale
+
+fun IetfLanguageCode.toJavaLocale(): Locale = Locale.forLanguageTag(code)
+fun IetfLanguageCode?.toJavaLocaleOrDefault(): Locale = this ?.toJavaLocale() ?: Locale.getDefault()
+
+fun Locale.toIetfLanguageCode(): IetfLanguageCode = IetfLanguageCode(toLanguageTag())