refactor: replace ignored numeric literals with constants

src/modules/investments/operations/domain/operations-sync-plan.ts

@@ -1,3 +1,11 @@
+export const operationsSyncPriority = { screen: 1, history: 2 } as const;
+
+const LAST_INTERVAL_INDEX = -1;
+const NEXT_MONTH_OFFSET = 1;
+const FIRST_DAY_OF_MONTH = 1;
+const EMPTY_INTERVAL_COUNT = 0;
+const EMPTY_SOURCE_COUNT = 0;
+
 export type OperationInterval = {
   accountId: string;
   from: Date;
@@ -31,7 +39,7 @@ export function operationIntervals(
     for (const interval of (groups.get(key) ?? []).sort(
       (left, right) => left.from.valueOf() - right.from.valueOf(),
     )) {
-      const previous = merged.at(-1);
+      const previous = merged.at(LAST_INTERVAL_INDEX);
       if (previous && interval.from <= previous.to) {
         previous.to = new Date(
           Math.max(previous.to.valueOf(), interval.to.valueOf()),
@@ -42,7 +50,7 @@ export function operationIntervals(
       let from = interval.from;
       while (from < interval.to) {
         const nextMonth = new Date(
-          Date.UTC(from.getUTCFullYear(), from.getUTCMonth() + 1, 1),
+          Date.UTC(from.getUTCFullYear(), from.getUTCMonth() + NEXT_MONTH_OFFSET, FIRST_DAY_OF_MONTH),
         );
         const to = new Date(
           Math.min(nextMonth.valueOf(), interval.to.valueOf()),
@@ -111,7 +119,7 @@ export function planOperationRead(
   options: { force?: boolean; movingEnd?: boolean } = {},
 ) {
   const monthStart = new Date(
-    Date.UTC(now.getUTCFullYear(), now.getUTCMonth(), 1),
+    Date.UTC(now.getUTCFullYear(), now.getUTCMonth(), FIRST_DAY_OF_MONTH),
   );
   const observedEnd = Math.max(
     ...requested.map((interval) => interval.to.valueOf()),
@@ -146,10 +154,10 @@ export function planOperationRead(
       }
     }
     const missing = uncoveredOperationIntervals([effective], ranges);
-    const complete = missing.length === 0;
+    const complete = missing.length === EMPTY_INTERVAL_COUNT;
     const stale =
       current &&
-      sources.length > 0 &&
+      sources.length > EMPTY_SOURCE_COUNT &&
       uncoveredOperationIntervals(
         ranges
           .map((row) => ({
@@ -161,7 +169,7 @@ export function planOperationRead(
           }))
           .filter((row) => row.from < row.to),
         fresh.map((row) => ({ ...row, instrumentUid: target.instrumentUid })),
-      ).length > 0;
+      ).length > EMPTY_INTERVAL_COUNT;
     if (options.force) load.push(target);
     else if (stale) load.push({ ...target, from: monthStart, to: now });
     else load.push(...missing);