Exclude annotations from library export

We'll want to support this eventually, but for now they would just break
translation.

chrome/content/zotero/xpcom/translation/translate_item.js

@@ -1038,7 +1038,15 @@ Zotero.Translate.ItemGetter.prototype = {
 	},
 	
 	"setAll": Zotero.Promise.coroutine(function* (libraryID, getChildCollections) {
-		this._itemsLeft = yield Zotero.Items.getAll(libraryID, true);
+		this._itemsLeft = (yield Zotero.Items.getAll(libraryID, true))
+			.filter((item) => {
+				// Don't export annotations
+				switch (item.itemType) {
+					case 'annotation':
+						return false;
+				}
+				return true;
+			});
 		
 		if(getChildCollections) {
 			this._collectionsLeft = Zotero.Collections.getByLibrary(libraryID);

test/tests/translateTest.js

@@ -2121,6 +2121,25 @@ describe("Zotero.Translate.ItemGetter", function() {
 		});
 	});
 	
+	describe("#setAll()", function () {
+		it("should exclude annotations", async function () {
+			var attachment = await importFileAttachment('test.pdf');
+			var annotation = await createAnnotation('highlight', attachment);
+			
+			var getter = new Zotero.Translate.ItemGetter();
+			await getter.setAll(attachment.libraryID, false);
+			
+			var item;
+			while (item = getter.nextItem()) {
+				if (item.itemType == 'annotation') {
+					assert.fail("Annotation item should not be returned from nextItem()");
+					break;
+				}
+			}
+			assert.equal(getter.numItems, 1);
+		});
+	});
+	
 	describe("#_attachmentToArray()", function () {
 		it("should handle missing attachment files", function* () {
 			var item = yield importFileAttachment('test.png');