♻️ (typescript) fixing strictNullChecks=true issues

packages/crdt/src/crdt/merkle.ts

@@ -93,7 +93,7 @@ export function diff(trie1: TrieNode, trie2: TrieNode): number | null {
     const keys = [...keyset.values()];
     keys.sort();
 
-    let diffkey = null;
+    let diffkey: null | '0' | '1' | '2' = null;
 
     // Traverse down the trie through keys that aren't the same. We
     // traverse down the keys in order. Stop in two cases: either one

packages/loot-core/src/client/actions/queries.ts

@@ -1,6 +1,7 @@
 import throttle from 'throttleit';
 
 import { send } from '../../platform/client/fetch';
+import { type AccountEntity } from '../../types/models';
 import * as constants from '../constants';
 
 import { pushModal } from './modals';
@@ -260,7 +261,7 @@ export function getAccounts() {
   };
 }
 
-export function updateAccount(account) {
+export function updateAccount(account: AccountEntity) {
   return async (dispatch: Dispatch) => {
     dispatch({ type: constants.UPDATE_ACCOUNT, account });
     await send('account-update', account);

packages/loot-core/src/client/reducers/queries.ts

@@ -1,6 +1,7 @@
 import memoizeOne from 'memoize-one';
 
 import { groupById } from '../../shared/util';
+import { type AccountEntity, type PayeeEntity } from '../../types/models';
 import * as constants from '../constants';
 import type { Action } from '../state-types';
 import type { QueriesState } from '../state-types/queries';
@@ -59,9 +60,7 @@ export function update(state = initialState, action: Action): QueriesState {
       return {
         ...state,
         accounts: state.accounts.map(account => {
-          // @ts-expect-error Not typed yet
           if (account.id === action.account.id) {
-            // @ts-expect-error Not typed yet
             return { ...account, ...action.account };
           }
           return account;
@@ -83,8 +82,12 @@ export function update(state = initialState, action: Action): QueriesState {
   return state;
 }
 
-export const getAccountsById = memoizeOne(accounts => groupById(accounts));
-export const getPayeesById = memoizeOne(payees => groupById(payees));
+export const getAccountsById = memoizeOne((accounts: AccountEntity[]) =>
+  groupById(accounts),
+);
+export const getPayeesById = memoizeOne((payees: PayeeEntity[]) =>
+  groupById(payees),
+);
 export const getCategoriesById = memoizeOne(categoryGroups => {
   const res = {};
   categoryGroups.forEach(group => {
@@ -95,14 +98,16 @@ export const getCategoriesById = memoizeOne(categoryGroups => {
   return res;
 });
 
-export const getActivePayees = memoizeOne((payees, accounts) => {
-  const accountsById = getAccountsById(accounts);
+export const getActivePayees = memoizeOne(
+  (payees: PayeeEntity[], accounts: AccountEntity[]) => {
+    const accountsById = getAccountsById(accounts);
 
-  return payees.filter(payee => {
-    if (payee.transfer_acct) {
-      const account = accountsById[payee.transfer_acct];
-      return account != null && !account.closed;
-    }
-    return true;
-  });
-});
+    return payees.filter(payee => {
+      if (payee.transfer_acct) {
+        const account = accountsById[payee.transfer_acct];
+        return account != null && !account.closed;
+      }
+      return true;
+    });
+  },
+);

packages/loot-core/src/client/state-types/queries.d.ts

@@ -1,4 +1,5 @@
 import type { Handlers } from '../../types/handlers';
+import { type AccountEntity } from '../../types/models';
 import type * as constants from '../constants';
 
 export type QueriesState = {
@@ -41,7 +42,7 @@ type LoadAccountsAction = {
 
 type UpdateAccountAction = {
   type: typeof constants.UPDATE_ACCOUNT;
-  account: unknown;
+  account: AccountEntity;
 };
 
 type LoadCategoriesAction = {

packages/loot-core/src/mocks/budget.ts

@@ -11,13 +11,13 @@ import * as monthUtils from '../shared/months';
 import { q } from '../shared/query';
 import type {
   CategoryGroupEntity,
-  PayeeEntity,
+  NewPayeeEntity,
   NewTransactionEntity,
 } from '../types/models';
 
 import { random } from './random';
 
-type MockPayeeEntity = PayeeEntity & { bill?: boolean };
+type MockPayeeEntity = NewPayeeEntity & { bill?: boolean };
 
 function pickRandom<T>(list: T[]): T {
   return list[Math.floor(random() * list.length) % list.length];

packages/loot-core/src/server/db/index.ts

@@ -12,7 +12,11 @@ import { v4 as uuidv4 } from 'uuid';
 import * as fs from '../../platform/server/fs';
 import * as sqlite from '../../platform/server/sqlite';
 import { groupById } from '../../shared/util';
-import { CategoryEntity, CategoryGroupEntity } from '../../types/models';
+import {
+  CategoryEntity,
+  CategoryGroupEntity,
+  PayeeEntity,
+} from '../../types/models';
 import {
   schema,
   schemaConfig,
@@ -478,9 +482,10 @@ export function updatePayee(payee) {
   return update('payees', payee);
 }
 
-export async function mergePayees(target, ids) {
+export async function mergePayees(target: string, ids: string[]) {
   // Load in payees so we can check some stuff
-  const payees = groupById(await all('SELECT * FROM payees'));
+  const dbPayees: PayeeEntity[] = await all('SELECT * FROM payees');
+  const payees = groupById(dbPayees);
 
   // Filter out any transfer payees
   if (payees[target].transfer_acct != null) {

packages/loot-core/src/shared/transactions.test.ts

@@ -1,5 +1,7 @@
 import { v4 as uuidv4 } from 'uuid';
 
+import { TransactionEntity } from '../types/models';
+
 import {
   splitTransaction,
   updateTransaction,
@@ -8,16 +10,26 @@ import {
   makeChild,
 } from './transactions';
 
-// const data = {
-//   splitTransactions: generateTransaction({ amount: -5000, acct: 2 }, -2000)
-// };
-
-function makeTransaction(data) {
+function makeTransaction(data: Partial<TransactionEntity>): TransactionEntity {
   return {
     id: uuidv4(),
     amount: 2422,
     date: '2020-01-05',
-    account: 'acct1',
+    account: {
+      id: 'acc-id-1',
+      name: 'account-1',
+      offbudget: 0,
+      closed: 0,
+      sort_order: 1,
+      tombstone: 0,
+      account_id: null,
+      bank: null,
+      mask: null,
+      official_name: null,
+      balance_current: null,
+      balance_available: null,
+      balance_limit: null,
+    },
     ...data,
   };
 }
@@ -27,7 +39,7 @@ function makeSplitTransaction(data, children) {
   return [parent, ...children.map(t => makeChild(parent, t))];
 }
 
-function splitError(amount) {
+function splitError(amount: number) {
   return { difference: amount, type: 'SplitTransactionError', version: 1 };
 }
 
@@ -38,10 +50,13 @@ describe('Transactions', () => {
       makeTransaction({ id: 't1', amount: 4000 }),
       makeTransaction({ amount: 3000 }),
     ];
-    const { data, diff } = updateTransaction(transactions, {
-      id: 't1',
-      amount: 5000,
-    });
+    const { data, diff } = updateTransaction(
+      transactions,
+      makeTransaction({
+        id: 't1',
+        amount: 5000,
+      }),
+    );
     expect(data.find(d => d.subtransactions)).toBeFalsy();
     expect(diff).toEqual({
       added: [],
@@ -60,10 +75,13 @@ describe('Transactions', () => {
       makeTransaction({ id: 't1', amount: 5000 }),
       makeTransaction({ amount: 3000 }),
     ];
-    const { data, diff } = updateTransaction(transactions, {
-      id: 't1',
-      amount: 5000,
-    });
+    const { data, diff } = updateTransaction(
+      transactions,
+      makeTransaction({
+        id: 't1',
+        amount: 5000,
+      }),
+    );
     expect(diff).toEqual({ added: [], deleted: [], updated: [] });
     expect(data.map(t => ({ id: t.id, amount: t.amount })).sort()).toEqual([
       { id: expect.any(String), amount: 5000 },
@@ -160,10 +178,13 @@ describe('Transactions', () => {
       ]),
       makeTransaction({ amount: 3002 }),
     ];
-    const { data, diff } = updateTransaction(transactions, {
-      id: 't2',
-      amount: 2200,
-    });
+    const { data, diff } = updateTransaction(
+      transactions,
+      makeTransaction({
+        id: 't2',
+        amount: 2200,
+      }),
+    );
     expect(data.find(d => d.subtransactions)).toBeFalsy();
     expect(diff).toEqual({
       added: [],

packages/loot-core/src/shared/transactions.ts

@@ -111,7 +111,9 @@ export function applyTransactionDiff(
   groupedTrans: Parameters<typeof ungroupTransaction>[0],
   diff: Parameters<typeof applyChanges>[0],
 ) {
-  return groupTransaction(applyChanges(diff, ungroupTransaction(groupedTrans)));
+  return groupTransaction(
+    applyChanges(diff, ungroupTransaction(groupedTrans) || []),
+  );
 }
 
 function replaceTransactions(
@@ -131,7 +133,7 @@ function replaceTransactions(
     const parentIndex = findParentIndex(transactions, idx);
     if (parentIndex == null) {
       console.log('Cannot find parent index');
-      return { diff: { deleted: [], updated: [] } };
+      return { data: [], diff: { deleted: [], updated: [] } };
     }
 
     const split = getSplit(transactions, parentIndex);
@@ -177,8 +179,8 @@ export function addSplitTransaction(
     if (!trans.is_parent) {
       return trans;
     }
-    const prevSub = last(trans.subtransactions);
-    trans.subtransactions.push(
+    const prevSub = last(trans.subtransactions || []);
+    trans.subtransactions?.push(
       makeChild(trans, {
         amount: 0,
         sort_order: num(prevSub && prevSub.sort_order) - 1,
@@ -188,11 +190,14 @@ export function addSplitTransaction(
   });
 }
 
-export function updateTransaction(transactions, transaction) {
+export function updateTransaction(
+  transactions: TransactionEntity[],
+  transaction: TransactionEntity,
+) {
   return replaceTransactions(transactions, transaction.id, trans => {
     if (trans.is_parent) {
       const parent = trans.id === transaction.id ? transaction : trans;
-      const sub = trans.subtransactions.map(t => {
+      const sub = trans.subtransactions?.map(t => {
         // Make sure to update the children to reflect the updated
         // properties (if the parent updated)
 
@@ -216,20 +221,23 @@ export function updateTransaction(transactions, transaction) {
   });
 }
 
-export function deleteTransaction(transactions, id) {
+export function deleteTransaction(
+  transactions: TransactionEntity[],
+  id: string,
+) {
   return replaceTransactions(transactions, id, trans => {
     if (trans.is_parent) {
       if (trans.id === id) {
         return null;
-      } else if (trans.subtransactions.length === 1) {
+      } else if (trans.subtransactions?.length === 1) {
         return {
           ...trans,
           subtransactions: null,
           is_parent: false,
           error: null,
         };
       } else {
-        const sub = trans.subtransactions.filter(t => t.id !== id);
+        const sub = trans.subtransactions?.filter(t => t.id !== id);
         return recalculateSplit({ ...trans, subtransactions: sub });
       }
     } else {
@@ -238,7 +246,10 @@ export function deleteTransaction(transactions, id) {
   });
 }
 
-export function splitTransaction(transactions, id) {
+export function splitTransaction(
+  transactions: TransactionEntity[],
+  id: string,
+) {
   return replaceTransactions(transactions, id, trans => {
     if (trans.is_parent || trans.is_child) {
       return trans;