Files
tout-doux/resources/ts/lib/cron.ts
T
2026-07-19 14:55:56 +02:00

86 lines
2.2 KiB
TypeScript

import { CronType } from "@/enums";
import { CronExpressionParser } from "cron-parser";
const ONE_TIME_VALUE = "@one-time";
export function parseCron(cron: string | null): {
type: CronType;
value: number;
} {
let value: RegExpMatchArray | null;
if (cron === null) {
return {
type: CronType.MANUAL,
value: 0,
};
} else if (cron === ONE_TIME_VALUE) {
return {
type: CronType.ONE_TIME,
value: 0,
};
} else if ((value = /^0 (\d+) \* \* \*$/i.exec(cron)) !== null) {
return {
type: CronType.EVERY_DAY,
value: parseInt(value[1] ?? ""),
};
} else if ((value = /^0 0 \* \* (\d+)$/i.exec(cron)) !== null) {
return {
type: CronType.EVERY_WEEK,
value: parseInt(value[1] ?? ""),
};
} else if ((value = /^0 0 (\d+) \* \*$/i.exec(cron)) !== null) {
return {
type: CronType.EVERY_MONTH,
value: parseInt(value[1] ?? ""),
};
} else if ((value = /^0 0 1 (\d+) \*$/i.exec(cron)) !== null) {
return {
type: CronType.EVERY_YEAR,
value: parseInt(value[1] ?? ""),
};
} else {
return {
type: CronType.CUSTOM,
value: 0,
};
}
}
export function getCron(
type: CronType,
value: number,
fallback: string,
): string | null {
switch (type) {
case CronType.ONE_TIME:
return ONE_TIME_VALUE;
case CronType.EVERY_DAY:
return `0 ${value.toFixed(0)} * * *`;
case CronType.EVERY_WEEK:
return `0 0 * * ${value.toFixed(0)}`;
case CronType.EVERY_MONTH:
return `0 0 ${value.toFixed(0)} * *`;
case CronType.EVERY_YEAR:
return `0 0 1 ${value.toFixed(0)} *`;
case CronType.CUSTOM:
if (validCron(fallback)) {
return fallback;
}
}
return null;
}
export function isOneTime(cron: string | null): boolean {
return cron === ONE_TIME_VALUE;
}
export function validCron(cron: string): boolean {
try {
CronExpressionParser.parse(cron);
return true;
} catch {
return false;
}
}