fix(array): toArray - convert to empty array only for nullish (#20)

src/array.test.ts

@@ -1,5 +1,20 @@
-import { expect, it } from 'vitest'
-import { flattenArrayable, partition, range } from './array'
+import { describe, expect, it } from 'vitest'
+import { flattenArrayable, partition, range, toArray } from './array'
+
+describe('toArray', () => {
+  it.each([
+    [undefined, []],
+    [null, []],
+    [false, [false]],
+    [0, [0]],
+    ['', ['']],
+    [[], []],
+    ['foo', ['foo']],
+    [['foo'], ['foo']],
+  ])('%s => %s', (input, expected) => {
+    expect(toArray(input)).toEqual(expected)
+  })
+})
 
 it('flattenArrayable', () => {
   expect(flattenArrayable()).toEqual([])

src/array.ts

@@ -7,10 +7,8 @@ import type { Arrayable, Nullable } from './types'
  * @category Array
  */
 export function toArray<T>(array?: Nullable<Arrayable<T>>): Array<T> {
-  array = array || []
-  if (Array.isArray(array))
-    return array
-  return [array]
+  array = array ?? []
+  return Array.isArray(array) ? array : [array]
 }
 
 /**