Updated objectSort to support an Array containing a specific order

Signed-off-by: Avior <florian.bouillon@delta-wings.net>

packages/object-util/README.md

@@ -53,6 +53,10 @@ objectSize(object)
 // like Array.sort it sort and return an ordered object
 objectSort(object, /*optionnal*/ (key1, key2) => key1 - key2)
 
+// You can also sort by keys
+// items not set in the array won't have their order changed and will be after the sorted ones
+objectSort(object, ['key2', 'key1']) // => {key2: value, key1: value, key3: value}
+
 // deeply clone an object
 cloneObject(object)
 

packages/object-util/__tests__/index.test.ts

@@ -52,7 +52,7 @@ describe('Object Keys Tests', () => {
 	})
 })
 
-describe('Object Sort Tests', () => {
+describe('Object Size Tests', () => {
 	it('shoud return length of the object', () => {
 		const obj = {
 			index0: true,
@@ -82,6 +82,20 @@ describe('Object sort Tests', () => {
 			b: 'first'
 		})
 	})
+	it('should sort by the specified key', () => {
+		const obj = {
+			b: 'first',
+			a: 'second',
+			c: 'zero',
+			d: 'fourth'
+		}
+		expect(objectSort(obj, ['c', 'a'])).toEqual({
+			c: 'zero',
+			a: 'second',
+			b: 'first',
+			d: 'fourth'
+		})
+	})
 })
 
 describe('Object Clone Tests', () => {

packages/object-util/src/ObjectUtil.ts

@@ -62,12 +62,18 @@ export function objectSize(obj: Record<string, any>): number {
  * @param obj the object to sort
  * @param fn (Optionnal) the function to run to sort
  */
-export function objectSort<T = Record<string, any>>(
+export function objectSort<T extends Record<string, any> = Record<string, any>>(
-	obj: Record<string, any>,
+	obj: T,
-	fn?: (a: string, b: string) => number
+	fn?: Array<keyof T> | ((a: keyof T, b: keyof T) => number)
 ): T {
 	const ordered: any = {}
-	for (const key of objectKeys(obj).sort(fn)) {
+	let sortedKeys: Array<keyof T> = []
+	if (Array.isArray(fn)) {
+		sortedKeys = fn.concat(objectKeys(obj).filter((k) => !fn.includes(k)))
+	} else {
+		sortedKeys = objectKeys(obj).sort(fn)
+	}
+	for (const key of sortedKeys) {
 		ordered[key] = obj[key]
 	}
 	return ordered