feat(entities): export Entity typeguard

PolymeshAssociation · Jul 9, 2021 · a41e677 · a41e677
1 parent ec39d9e
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diff --git a/src/api/entities/Entity.ts b/src/api/entities/Entity.ts
@@ -67,3 +67,12 @@ export abstract class Entity<UniqueIdentifiers, HumanReadable> {
    */
   public abstract toJson(): HumanReadable;
 }
+
+/**
+ * Return if value is an Entity
+ */
+export function isEntity<Identifiers = unknown, HumanReadable = unknown>(
+  value: unknown
+): value is Entity<Identifiers, HumanReadable> {
+  return value instanceof Entity;
+}
diff --git a/src/api/entities/types.ts b/src/api/entities/types.ts
@@ -50,3 +50,4 @@ export * from './CheckpointSchedule/types';
 export * from './CorporateAction/types';
 export * from './DividendDistribution/types';
 // export * from './Proposal/types';
+export { isEntity } from './Entity';