Table block: Fix an issue when removing all columns does not prompt t…

…able creation

packages/block-library/src/table/state.js

@@ -154,6 +154,6 @@ export function deleteColumn( state, {
 	return {
 		[ section ]: state[ section ].map( ( row ) => ( {
 			cells: row.cells.filter( ( cell, index ) => index !== columnIndex ),
-		} ) ),
+		} ) ).filter( ( row ) => row.cells.length ),
 	};
 }

packages/block-library/src/table/test/state.js

@@ -252,4 +252,37 @@ describe( 'deleteColumn', () => {
 
 		expect( state ).toEqual( expected );
 	} );
+
+	it( 'should delete all rows when only one column present', () => {
+		const tableWithOneColumn = {
+			body: [
+				{
+					cells: [
+						{
+							content: [],
+							tag: 'td',
+						},
+					],
+				},
+				{
+					cells: [
+						{
+							content: [ 'test' ],
+							tag: 'td',
+						},
+					],
+				},
+			],
+		};
+		const state = deleteColumn( tableWithOneColumn, {
+			section: 'body',
+			columnIndex: 0,
+		} );
+
+		const expected = {
+			body: [],
+		};
+
+		expect( state ).toEqual( expected );
+	} );
 } );