Add checks when resource is an entity

docs/reference-guides/data/data-core.md

@@ -23,7 +23,7 @@ _Parameters_
 
 _Returns_
 
--   `boolean | undefined`: Whether or not the user can perform the action, or `undefined` if the OPTIONS request is still being made.
+-   `boolean | undefined | null`: Whether or not the user can perform the action, or `undefined` if the OPTIONS request is still being made.
 
 ### canUserEditEntityRecord
 
@@ -42,7 +42,7 @@ _Parameters_
 
 _Returns_
 
--   `boolean | undefined`: Whether or not the user can edit, or `undefined` if the OPTIONS request is still being made.
+-   `boolean | undefined | null`: Whether or not the user can edit, or `undefined` if the OPTIONS request is still being made.
 
 ### getAuthors
 

packages/core-data/README.md

@@ -344,7 +344,7 @@ _Parameters_
 
 _Returns_
 
--   `boolean | undefined`: Whether or not the user can perform the action, or `undefined` if the OPTIONS request is still being made.
+-   `boolean | undefined | null`: Whether or not the user can perform the action, or `undefined` if the OPTIONS request is still being made.
 
 ### canUserEditEntityRecord
 
@@ -363,7 +363,7 @@ _Parameters_
 
 _Returns_
 
--   `boolean | undefined`: Whether or not the user can edit, or `undefined` if the OPTIONS request is still being made.
+-   `boolean | undefined | null`: Whether or not the user can edit, or `undefined` if the OPTIONS request is still being made.
 
 ### getAuthors
 

packages/core-data/src/resolvers.js

@@ -368,6 +368,10 @@ export const canUser =
 
 		let resourcePath = null;
 		if ( typeof resource === 'object' ) {
+			if ( ! resource.kind || ! resource.name ) {
+				return;
+			}
+
 			const configs = await dispatch(
 				getOrLoadEntitiesConfig( resource.kind, resource.name )
 			);

packages/core-data/src/selectors.ts

@@ -1147,9 +1147,14 @@ export function canUser(
 	action: string,
 	resource: string | Record< string, any >,
 	id?: EntityRecordKey
-): boolean | undefined {
+): boolean | undefined | null {
+	const isEntity = typeof resource === 'object';
+	if ( isEntity && ( ! resource.kind || ! resource.name ) ) {
+		return null;
+	}
+
 	const key = (
-		typeof resource === 'object'
+		isEntity
 			? [ action, resource.kind, resource.name, resource.id ]
 			: [ action, resource, id ]
 	)
@@ -1179,7 +1184,7 @@ export function canUserEditEntityRecord(
 	kind: string,
 	name: string,
 	recordId: EntityRecordKey
-): boolean | undefined {
+): boolean | undefined | null {
 	return canUser( state, 'update', { kind, name, id: recordId } );
 }
 

packages/core-data/src/test/resolvers.js

@@ -333,6 +333,25 @@ describe( 'canUser', () => {
 		expect( dispatch.receiveUserPermission ).not.toHaveBeenCalled();
 	} );
 
+	it( 'does nothing when entity kind or name is missing', async () => {
+		triggerFetch.mockImplementation( () =>
+			Promise.reject( { status: 404 } )
+		);
+
+		await canUser( 'create', { kind: 'root', name: 'media' } )( {
+			dispatch,
+			registry,
+		} );
+		await canUser( 'create', { name: 'wp_block' } )( {
+			dispatch,
+			registry,
+		} );
+
+		expect( triggerFetch ).not.toHaveBeenCalledWith();
+
+		expect( dispatch.receiveUserPermission ).not.toHaveBeenCalled();
+	} );
+
 	it( 'receives false when the user is not allowed to perform an action', async () => {
 		triggerFetch.mockImplementation( () => ( {
 			headers: new Map( [ [ 'allow', 'GET' ] ] ),

packages/core-data/src/test/selectors.js

@@ -694,6 +694,14 @@ describe( 'canUser', () => {
 		).toBe( undefined );
 	} );
 
+	it( 'returns null when entity kind or name is missing', () => {
+		const state = deepFreeze( {
+			userPermissions: {},
+		} );
+		expect( canUser( state, 'create', { name: 'media' } ) ).toBe( null );
+		expect( canUser( state, 'create', { kind: 'root' } ) ).toBe( null );
+	} );
+
 	it( 'returns whether an action can be performed', () => {
 		const state = deepFreeze( {
 			userPermissions: {