litho-core/com.facebook.litho/ComponentKeyUtils

ComponentKeyUtils

object ComponentKeyUtils

Functions

formatKeySegment

@JvmStatic

fun formatKeySegment(key: String, idToTypeMap: Map<Int, Any>): String

Maps a key segment (e.g. "3") to a human-readable simple name using a reverse lookup map (id -> type) for O(1) lookup.

generateGlobalKey

@JvmStatic

fun generateGlobalKey(parentContext: ComponentContext, parentComponent: Component?, childComponent: Component): GlobalKey

Generate a global key for the given component that is unique among all of this component's children of the same type. If a manual key has been set on the child component using the .key() method, return the manual key.

getKeyForChildPosition

@JvmStatic

fun getKeyForChildPosition(currentKey: String, index: Int): String

getKeyForTesting

@VisibleForTesting

fun getKeyForTesting(component: Component): String

getKeyWithSeparator

@JvmStatic

fun getKeyWithSeparator(vararg keyParts: Any): String

@JvmStatic

fun getKeyWithSeparator(parentGlobalKey: String, key: String): String

getKeyWithSeparatorForTest

@JvmStatic

fun getKeyWithSeparatorForTest(vararg keyParts: Any): String

parentNameFromKey

@JvmStatic

fun parentNameFromKey(globalKey: GlobalKey?, idToTypeMap: Map<Int, Any>): String?

Extracts the parent component's simple name directly from a GlobalKey.