Rename undefined to undefineds

Author: WWRS

collections/deep_merge.ts

@@ -208,7 +208,7 @@ export function deepMerge<
     arrays: "merge";
     sets: "merge";
     maps: "merge";
-    undefined: "replace";
+    undefineds: "replace";
   },
 >(
   record: Readonly<T>,
@@ -225,7 +225,7 @@ function deepMergeInternal<
     arrays: "merge";
     sets: "merge";
     maps: "merge";
-    undefined: "replace";
+    undefineds: "replace";
   },
 >(
   record: Readonly<T>,
@@ -255,7 +255,7 @@ function deepMergeInternal<
 
     if (
       !Object.hasOwn(other, key) ||
-      (other[key] === undefined && options?.undefined === "ignore")
+      (other[key] === undefined && options?.undefineds === "ignore")
     ) {
       result[key] = a;
 
@@ -289,7 +289,7 @@ function mergeObjects(
     arrays: "merge",
     sets: "merge",
     maps: "merge",
-    undefined: "replace",
+    undefineds: "replace",
   },
 ): Readonly<NonNullable<Record<string, unknown> | Iterable<unknown>>> {
   // Recursively merge mergeable objects
@@ -403,7 +403,7 @@ export type DeepMergeOptions = {
    *
    * @default {"replace"}
    */
-  undefined?: "replace" | "ignore";
+  undefineds?: "replace" | "ignore";
 };
 
 /**

collections/deep_merge_test.ts

@@ -434,15 +434,15 @@ Deno.test("deepMerge() handles number vs undefined", () => {
     deepMerge<{ a: number | undefined }>(
       { a: 1 },
       { a: undefined },
-      { undefined: "ignore" },
+      { undefineds: "ignore" },
     ),
     { a: 1 },
   );
   assertEquals(
     deepMerge(
       { a: 1 },
       { a: undefined },
-      { undefined: "replace" },
+      { undefineds: "replace" },
     ),
     { a: undefined },
   );
@@ -458,15 +458,15 @@ Deno.test("deepMerge() handles number vs undefined", () => {
     deepMerge(
       { a: undefined },
       { a: 1 },
-      { undefined: "ignore" },
+      { undefineds: "ignore" },
     ),
     { a: 1 },
   );
   assertEquals(
     deepMerge(
       { a: undefined },
       { a: 1 },
-      { undefined: "replace" },
+      { undefineds: "replace" },
     ),
     { a: 1 },
   );
@@ -483,15 +483,15 @@ Deno.test("deepMerge() handles number vs undefined", () => {
     deepMerge(
       { a: undefined },
       { a: undefined },
-      { undefined: "ignore" },
+      { undefineds: "ignore" },
     ),
     { a: undefined },
   );
   assertEquals(
     deepMerge(
       { a: undefined },
       { a: undefined },
-      { undefined: "replace" },
+      { undefineds: "replace" },
     ),
     { a: undefined },
   );
@@ -510,15 +510,15 @@ Deno.test("deepMerge() handles mergeable vs undefined", () => {
     deepMerge(
       { a: { b: 1 } },
       { a: undefined },
-      { undefined: "ignore" },
+      { undefineds: "ignore" },
     ),
     { a: { b: 1 } },
   );
   assertEquals(
     deepMerge(
       { a: { b: 1 } },
       { a: undefined },
-      { undefined: "replace" },
+      { undefineds: "replace" },
     ),
     { a: undefined },
   );
@@ -527,15 +527,15 @@ Deno.test("deepMerge() handles mergeable vs undefined", () => {
     deepMerge<{ a: { b: number; c: number | undefined } }>(
       { a: { b: 1, c: 2 } },
       { a: { b: 1, c: undefined } },
-      { undefined: "ignore" },
+      { undefineds: "ignore" },
     ),
     { a: { b: 1, c: 2 } },
   );
   assertEquals(
     deepMerge(
       { a: { b: 1, c: 2 } },
       { a: { b: 1, c: undefined } },
-      { undefined: "replace" },
+      { undefineds: "replace" },
     ),
     { a: { b: 1, c: undefined } },
   );
@@ -546,31 +546,31 @@ Deno.test("deepMerge() handles undefined vs omitted", () => {
     deepMerge(
       { a: undefined },
       {},
-      { undefined: "ignore" },
+      { undefineds: "ignore" },
     ),
     { a: undefined },
   );
   assertEquals(
     deepMerge(
       { a: undefined },
       {},
-      { undefined: "replace" },
+      { undefineds: "replace" },
     ),
     { a: undefined },
   );
   assertEquals(
     deepMerge(
       {},
       { a: undefined },
-      { undefined: "ignore" },
+      { undefineds: "ignore" },
     ),
     { a: undefined },
   );
   assertEquals(
     deepMerge(
       {},
       { a: undefined },
-      { undefined: "replace" },
+      { undefineds: "replace" },
     ),
     { a: undefined },
   );