feat(asyncExcludeNullOnce): add asyncExcludeNullOnce function

Author: djcsdy

index.test.ts

@@ -6,6 +6,7 @@ import {
     asyncDropWhileOnce,
     asyncEmptyOnce,
     asyncEqualOnce,
+    asyncExcludeNullOnce,
     asyncExcludeOnce,
     asyncFilterOnce,
     asyncInitialOnce,
@@ -371,3 +372,10 @@ test("asyncExcludeOnce", async t => {
         [3, 4, 3]
     );
 });
+
+test("asyncExcludeNullOnce", async t => {
+    t.deepEqual(await asyncToArrayOnce(asyncExcludeNullOnce(asyncIterator(["a", null, "b"]))), [
+        "a",
+        "b"
+    ]);
+});

index.ts

@@ -2,6 +2,7 @@ import {equal as defaultEqual} from "@softwareventures/ordered";
 import type {AsyncIterableLike} from "@softwareventures/async-iterable";
 import {hasProperty} from "unknown";
 import {asyncIterable} from "@softwareventures/async-iterable";
+import {isNotNull} from "@softwareventures/nullable";
 
 export type AsyncIteratorLike<T> =
     | AsyncIterator<T>
@@ -566,3 +567,9 @@ export function asyncExcludeOnceFn<T>(
 ): (iterator: AsyncIteratorLike<T>) => AsyncIterator<T> {
     return iterator => asyncExcludeOnce(iterator, predicate);
 }
+
+export function asyncExcludeNullOnce<T>(
+    iterator: AsyncIteratorLike<T | null | undefined>
+): AsyncIterator<T> {
+    return asyncFilterOnce(iterator, isNotNull);
+}

package.json

@@ -23,6 +23,7 @@
   },
   "dependencies": {
     "@softwareventures/async-iterable": "^1.0.1",
+    "@softwareventures/nullable": "^3.0.0",
     "@softwareventures/ordered": "^2.0.0",
     "tslib": "2.4.0",
     "unknown": "^0.2.5"

yarn.lock

@@ -854,6 +854,7 @@ __metadata:
     "@commitlint/cz-commitlint": 17.1.2
     "@softwareventures/async-iterable": ^1.0.1
     "@softwareventures/eslint-config": 7.0.0
+    "@softwareventures/nullable": ^3.0.0
     "@softwareventures/ordered": ^2.0.0
     "@softwareventures/precise-commits": 2.0.22
     "@softwareventures/prettier-config": 3.0.0
@@ -910,7 +911,7 @@ __metadata:
   languageName: node
   linkType: hard
 
-"@softwareventures/nullable@npm:^2.0.0 || ^3.0.0":
+"@softwareventures/nullable@npm:^2.0.0 || ^3.0.0, @softwareventures/nullable@npm:^3.0.0":
   version: 3.0.0
   resolution: "@softwareventures/nullable@npm:3.0.0"
   dependencies: