node-cron-management
Version:
Improvement of node-cron package
61 lines (60 loc) • 2.57 kB
JavaScript
;
var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
if (k2 === undefined) k2 = k;
var desc = Object.getOwnPropertyDescriptor(m, k);
if (!desc || ("get" in desc ? !m.__esModule : desc.writable || desc.configurable)) {
desc = { enumerable: true, get: function() { return m[k]; } };
}
Object.defineProperty(o, k2, desc);
}) : (function(o, m, k, k2) {
if (k2 === undefined) k2 = k;
o[k2] = m[k];
}));
var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (function(o, v) {
Object.defineProperty(o, "default", { enumerable: true, value: v });
}) : function(o, v) {
o["default"] = v;
});
var __importStar = (this && this.__importStar) || function (mod) {
if (mod && mod.__esModule) return mod;
var result = {};
if (mod != null) for (var k in mod) if (k !== "default" && Object.prototype.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k);
__setModuleDefault(result, mod);
return result;
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.cronJob = exports.JOB_SYMBOL = void 0;
require("reflect-metadata");
const cron = __importStar(require("node-cron"));
const moment = __importStar(require("moment-timezone"));
exports.JOB_SYMBOL = Symbol("job");
/**
*
* Decorator for the cron job method
* @param cronExpression : Expression defining how often the function should run
* @param handlerTag : tag to uniquely identify the handler so the handler can be started or stopped using the tag
* @returns : MethodDecorator
*/
function cronJob(cronExpression, handlerTag, timezone) {
return function (target, propertyKey, descriptor) {
const isValid = cron.validate(cronExpression);
if (!isValid)
throw new Error(`${cronExpression} is not a valid cron expression`);
if (timezone) {
const isTimezone = moment.tz.zone(timezone);
if (!isTimezone)
throw new Error(`${timezone} is not a valid timezone`);
}
const allHandlers = Reflect.getMetadata(exports.JOB_SYMBOL, target.constructor) || [];
allHandlers.push({
handlerTag,
cronExpression,
func: propertyKey,
constructor: target.constructor,
className: target.constructor.name,
timezone: timezone !== null && timezone !== void 0 ? timezone : "",
});
Reflect.defineMetadata(exports.JOB_SYMBOL, allHandlers, target.constructor);
};
}
exports.cronJob = cronJob;