refactor(core): Centralize CronJob management (#10033)

packages/nodes-base/nodes/Schedule/SchedulerInterface.ts

@@ -1,6 +1,53 @@
-export interface IRecurencyRule {
-	activated: boolean;
-	index?: number;
-	intervalSize?: number;
-	typeInterval?: string;
+import type { CronExpression } from 'n8n-workflow';
+
+export type IRecurrenceRule =
+	| { activated: false }
+	| {
+			activated: true;
+			index: number;
+			intervalSize: number;
+			typeInterval: 'hours' | 'days' | 'weeks' | 'months';
+	  };
+
+export type ScheduleInterval =
+	| {
+			field: 'cronExpression';
+			expression: CronExpression;
+	  }
+	| {
+			field: 'seconds';
+			secondsInterval: number;
+	  }
+	| {
+			field: 'minutes';
+			minutesInterval: number;
+	  }
+	| {
+			field: 'hours';
+			hoursInterval: number;
+			triggerAtMinute?: number;
+	  }
+	| {
+			field: 'days';
+			daysInterval: number;
+			triggerAtHour?: number;
+			triggerAtMinute?: number;
+	  }
+	| {
+			field: 'weeks';
+			weeksInterval: number;
+			triggerAtDay: number[];
+			triggerAtHour?: number;
+			triggerAtMinute?: number;
+	  }
+	| {
+			field: 'months';
+			monthsInterval: number;
+			triggerAtDayOfMonth?: number;
+			triggerAtHour?: number;
+			triggerAtMinute?: number;
+	  };
+
+export interface Rule {
+	interval: ScheduleInterval[];
 }