From d35f8b0a6be8a87920f6b500015974fda792198d Mon Sep 17 00:00:00 2001
From: Marin Atanasov <8436925+tyxla@users.noreply.github.com>
Date: Thu, 16 Jun 2022 12:36:07 +0300
Subject: [PATCH] Lodash: Refactor away from _.flatten() (#41733)

---
 .eslintrc.js                                             | 1 +
 packages/edit-post/src/store/selectors.js                | 4 ++--
 packages/editor/src/components/page-attributes/parent.js | 3 +--
 3 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/.eslintrc.js b/.eslintrc.js
index b8326cf5d2521..c6510b20b2beb 100644
--- a/.eslintrc.js
+++ b/.eslintrc.js
@@ -85,6 +85,7 @@ module.exports = {
 							'dropRight',
 							'each',
 							'findIndex',
+							'flatten',
 							'isArray',
 							'isFinite',
 							'isFunction',
diff --git a/packages/edit-post/src/store/selectors.js b/packages/edit-post/src/store/selectors.js
index 3a512ee08b1bf..74d42691114c9 100644
--- a/packages/edit-post/src/store/selectors.js
+++ b/packages/edit-post/src/store/selectors.js
@@ -2,7 +2,7 @@
  * External dependencies
  */
 import createSelector from 'rememo';
-import { includes, some, flatten, values } from 'lodash';
+import { includes, some, values } from 'lodash';
 
 /**
  * WordPress dependencies
@@ -410,7 +410,7 @@ export function getMetaBoxesPerLocation( state, location ) {
  */
 export const getAllMetaBoxes = createSelector(
 	( state ) => {
-		return flatten( values( state.metaBoxes.locations ) );
+		return values( state.metaBoxes.locations ).flat();
 	},
 	( state ) => [ state.metaBoxes.locations ]
 );
diff --git a/packages/editor/src/components/page-attributes/parent.js b/packages/editor/src/components/page-attributes/parent.js
index f81bb4ae3ff0f..9d298d8639371 100644
--- a/packages/editor/src/components/page-attributes/parent.js
+++ b/packages/editor/src/components/page-attributes/parent.js
@@ -7,7 +7,6 @@ import {
 	debounce,
 	repeat,
 	find,
-	flatten,
 	deburr,
 } from 'lodash';
 
@@ -111,7 +110,7 @@ export function PageAttributesParent() {
 				return priorityA >= priorityB ? 1 : -1;
 			} );
 
-			return flatten( sortedNodes );
+			return sortedNodes.flat();
 		};
 
 		let tree = pageItems.map( ( item ) => ( {