false value checks

packages/editor/src/components/post-actions/actions.js

@@ -687,7 +687,10 @@ const duplicatePostAction = {
 };
 
 const isTemplatePartRevertable = ( item ) => {
-	const hasThemeFile = item.templatePart.has_theme_file;
+	if ( ! item ) {
+		return false;
+	}
+	const hasThemeFile = item.templatePart?.has_theme_file;
 	return canDeleteOrReset( item ) && hasThemeFile;
 };
 
@@ -1020,8 +1023,12 @@ export const deletePatternAction = {
 	id: 'delete-pattern',
 	label: __( 'Delete' ),
 	isEligible: ( item ) => {
+		if ( ! item ) {
+			return false;
+		}
 		const isTemplatePart = item.type === TEMPLATE_PART_POST_TYPE;
-		const hasThemeFile = isTemplatePart && item.templatePart.has_theme_file;
+		const hasThemeFile =
+			isTemplatePart && item.templatePart?.has_theme_file;
 		return canDeleteOrReset( item ) && ! hasThemeFile;
 	},
 	hideModalHeader: true,

packages/editor/src/components/post-actions/export-pattern-action.js

@@ -36,7 +36,12 @@ export const exportPatternAsJSONAction = {
 	id: 'export-pattern',
 	label: __( 'Export as JSON' ),
 	supportsBulk: true,
-	isEligible: ( item ) => item.type === PATTERN_TYPES.user,
+	isEligible: ( item ) => {
+		if ( ! item.type ) {
+			return false;
+		}
+		return item.type === PATTERN_TYPES.user;
+	},
 	callback: async ( items ) => {
 		if ( items.length === 1 ) {
 			return downloadBlob(

packages/editor/src/components/post-actions/export-pattern-action.native.js

@@ -0,0 +1,4 @@
+// Client-zip is meant to be used in a browser and is therefore released as an ES6 module only,
+// in order for the native build to succeed we are importing a null action and avoiding importing
+// the non working in native context client-zip module.
+export const exportPatternAsJSONAction = null;

test/native/setup.js

@@ -270,15 +270,6 @@ jest.mock( 'react-native/Libraries/Components/Switch/Switch', () => {
 	};
 } );
 
-/**
- * client-zip is meant to be used in a browser and is therefore released as an ES6 module only,
- * in order to use it in node environment, we need to mock it.
- * See: https://github.com/Touffy/client-zip/issues/28
- */
-jest.mock( 'client-zip', () => ( {
-	downloadZip: jest.fn(),
-} ) );
-
 jest.mock( '@wordpress/compose', () => {
 	return {
 		...jest.requireActual( '@wordpress/compose' ),