feat: add function objectEntriesToFormInputOptions

Author: spawnia

src/Select/formInput.test.ts

@@ -1,5 +1,6 @@
 import {
   mapToFormInputOptions,
+  objectEntriesToFormInputOptions,
   objectToFormInputOptions,
   toFormInputOption,
 } from './formInput';
@@ -32,6 +33,32 @@ describe('objectToFormInputOptions', () => {
   });
 });
 
+describe('objectEntriesToFormInputOptions', () => {
+  it('converts an array of manually declared object entries', () => {
+    expect(
+      objectEntriesToFormInputOptions([['foo', 'A descriptive label']]),
+    ).toEqual([
+      {
+        value: 'foo',
+        label: 'A descriptive label',
+      },
+    ]);
+  });
+
+  it('converts the result of calling Object.entries', () => {
+    expect(
+      objectEntriesToFormInputOptions(
+        Object.entries({ foo: 'A descriptive label' }),
+      ),
+    ).toEqual([
+      {
+        value: 'foo',
+        label: 'A descriptive label',
+      },
+    ]);
+  });
+});
+
 describe('mapToFormInputOptions', () => {
   it('converts a map with boolean keys', () => {
     expect(

src/Select/formInput.ts

@@ -10,8 +10,17 @@ export function objectToFormInputOptions<
   TLabels extends Record<string, TLabel>,
   TLabel extends ReactNode,
 >(labels: TLabels): Array<FormInputOption<keyof TLabels, TLabel>> {
-  return Object.entries(labels).map(([key, value]) => ({
-    value: key as keyof TLabels,
+  return objectEntriesToFormInputOptions(Object.entries(labels));
+}
+
+export function objectEntriesToFormInputOptions<
+  TLabelEntries extends Array<[string, TLabel]>,
+  TLabel extends ReactNode,
+>(
+  labelEntries: TLabelEntries,
+): Array<FormInputOption<TLabelEntries[number][0], TLabel>> {
+  return labelEntries.map(([key, value]) => ({
+    value: key as TLabelEntries[number][0],
     label: value,
   }));
 }