feat: flatMapNullable

gcanti · May 23, 2023 · be0057c · be0057c
1 parent b811e0f
commit be0057c
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Showing 2 changed files with 4 additions and 2 deletions.
diff --git a/src/IOOption.ts b/src/IOOption.ts
@@ -188,7 +188,9 @@ export const fromNullableK: <A extends ReadonlyArray<unknown>, B>(
 ) => (...a: A) => IOOption<NonNullable<B>> = /*#__PURE__*/ OT.fromNullableK(I.Pointed)
 
 /**
- * @category sequencing
+ * Alias of `flatMapNullable`.
+ *
+ * @category legacy
  * @since 2.12.0
  */
 export const chainNullableK: <A, B>(

diff --git a/test/IOOption.ts b/test/IOOption.ts
@@ -294,7 +294,7 @@ describe.concurrent('IOOption', () => {
   })
 
   it('flatMapNullable', () => {
-    const f = _.chainNullableK((n: number) => (n > 0 ? n : n === 0 ? null : undefined))
+    const f = _.flatMapNullable((n: number) => (n > 0 ? n : n === 0 ? null : undefined))
     U.deepStrictEqual(f(_.of(1))(), O.some(1))
     U.deepStrictEqual(f(_.of(0))(), O.none)
     U.deepStrictEqual(f(_.of(-1))(), O.none)