json: throw more descriptive errors from JsonNode.get() in case of missing keys

Author: angryziber

CHANGELOG.md

@@ -4,6 +4,7 @@
 * oauth: JWT helper class introduced
 * jdbc: introduced db.upsertBatch()
 * jobs: runOnce() introduced for convenience
+* json: throw more descriptive errors from JsonNode.get() in case of missing keys
 
 # 1.6.4
 * core: added common value types for Email, Phone, and Password, also StringValue base class

json/src/JsonNode.kt

@@ -7,7 +7,7 @@ typealias JsonNode = Map<String, Any?>
 typealias JsonList = List<JsonNode>
 
 @kotlin.internal.HidesMembers
-inline fun <T> JsonNode.get(key: String) = get(key) as T
+inline fun <T> JsonNode.get(key: String) = (get(key) ?: throw NullPointerException("$key is absent")) as T
 inline fun <T> JsonNode.getOrNull(key: String) = get(key) as T?
 
 inline fun JsonNode.getString(key: String) = get<String>(key)