Chore: Refactor folder related functions to TypeScript

packages/lib/folders-screen-utils.ts

@@ -0,0 +1,73 @@
+import { Dispatch } from 'redux';
+import Folder from './models/Folder';
+import Setting from './models/Setting';
+import shim from './shim';
+import { FolderLoadOptions } from './models/utils/types';
+
+const refreshCalls_: boolean[] = [];
+let scheduleRefreshFoldersIID_: any = null;
+
+export const allForDisplay = async (options: FolderLoadOptions = {}) => {
+	const orderDir = Setting.value('folders.sortOrder.reverse') ? 'DESC' : 'ASC';
+
+	const folderOptions: FolderLoadOptions = {
+		caseInsensitive: true,
+		order: [
+			{
+				by: 'title',
+				dir: orderDir,
+			},
+		],
+		...options,
+	};
+
+	let folders = await Folder.all(folderOptions);
+
+	if (Setting.value('folders.sortOrder.field') === 'last_note_user_updated_time') {
+		folders = await Folder.orderByLastModified(folders, orderDir);
+	}
+
+	if (Setting.value('showNoteCounts')) {
+		await Folder.addNoteCounts(folders,
+			Setting.value('showCompletedTodos'));
+	}
+
+	return folders;
+};
+
+export const refreshFolders = async (dispatch: Dispatch) => {
+	refreshCalls_.push(true);
+	try {
+		const folders = await allForDisplay({ includeConflictFolder: true });
+
+		dispatch({
+			type: 'FOLDER_UPDATE_ALL',
+			items: folders,
+		});
+	} finally {
+		refreshCalls_.pop();
+	}
+};
+
+export const scheduleRefreshFolders = async (dispatch: Dispatch) => {
+	if (scheduleRefreshFoldersIID_) shim.clearTimeout(scheduleRefreshFoldersIID_);
+	scheduleRefreshFoldersIID_ = shim.setTimeout(() => {
+		scheduleRefreshFoldersIID_ = null;
+		void refreshFolders(dispatch);
+	}, 1000);
+};
+
+export const cancelTimers = async () => {
+	if (scheduleRefreshFoldersIID_) {
+		shim.clearTimeout(scheduleRefreshFoldersIID_);
+		scheduleRefreshFoldersIID_ = null;
+	}
+	return new Promise((resolve) => {
+		const iid = shim.setInterval(() => {
+			if (!refreshCalls_.length) {
+				shim.clearInterval(iid);
+				resolve(null);
+			}
+		}, 100);
+	});
+};