Merge pull request #43 from nobrainr/fix/allow-partial-completion-for-currying-function

fix: allow partial completion for currying function

Author: emyann

src/morphism.ts

@@ -302,7 +302,11 @@ export function morphism<
   TSchema extends Schema<Destination, Source> = Schema<Destination, Source>
 >(schema: TSchema, data: Source): ResultItem<TSchema>;
 
-export function morphism<TSchema extends Schema>(schema: TSchema): Mapper<TSchema>; // morphism({}) => mapper(S) => T
+export function morphism<
+  Destination,
+  Source = any,
+  TSchema extends Schema<Destination, Source> = Schema<Destination, Source>
+>(schema: TSchema): Mapper<TSchema>; // morphism({}) => mapper(S) => T
 
 export function morphism<TSchema extends Schema, TDestination>(
   schema: TSchema,

src/typescript.spec.ts

@@ -88,6 +88,10 @@ describe('Morphism', () => {
 
       const d = morphism<Destination>({ namingIsHard: 'boring_api_field' }, { boring_api_field: 2 });
       d.namingIsHard;
+
+      morphism({ namingIsHard: 'boring_api_field' });
+      morphism<Destination, Source>({ namingIsHard: 'boring_api_field' })({ boring_api_field: 2 });
+      morphism<Destination>({ namingIsHard: 'boring_api_field' })([{ boring_api_field: 2 }]).pop().namingIsHard;
     });
   });
 });