实现了自身的cron

lib/utils/cron.d.ts

@@ -0,0 +1 @@
+export declare function schedule(cron: string, fn: (date: Date) => any): void;

lib/utils/cron.js

@@ -0,0 +1,18 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.schedule = void 0;
+var tslib_1 = require("tslib");
+var cronjs_matcher_1 = require("@datasert/cronjs-matcher");
+var dayjs_1 = tslib_1.__importDefault(require("dayjs"));
+function schedule(cron, fn) {
+    var futureMatches = (0, cronjs_matcher_1.getFutureMatches)(cron, {
+        matchCount: 1,
+    });
+    var date = (0, dayjs_1.default)(futureMatches[0]);
+    var interval = date.diff((0, dayjs_1.default)(), 'ms');
+    setTimeout(function () {
+        fn(new Date());
+        schedule(cron, fn);
+    }, interval);
+}
+exports.schedule = schedule;

package.json

@@ -40,6 +40,7 @@
         "typescript": "~4.7.4"
     },
     "dependencies": {
+        "@datasert/cronjs-matcher": "^1.2.0",
         "dayjs": "^1.11.5",
         "lodash": "^4.17.21",
         "uuid": "^9.0.0"

src/utils/cron.ts

@@ -0,0 +1,17 @@
+import { getFutureMatches } from '@datasert/cronjs-matcher';
+import DayJs from 'dayjs';
+
+export function schedule(cron: string, fn: (date: Date) => any) {
+    const futureMatches = getFutureMatches(cron, {
+        matchCount: 1,
+    });
+    const date = DayJs(futureMatches[0]);
+    const interval = date.diff(DayJs(), 'ms');
+    setTimeout(
+        () => {
+            fn(new Date());
+            schedule(cron, fn);
+        },
+        interval
+    );
+}