node-cron
Version:
A Lightweight Task Scheduler for Node.js
61 lines • 2.48 kB
JavaScript
;
var __importDefault = (this && this.__importDefault) || function (mod) {
return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
const index_1 = __importDefault(require("../convertion/index"));
const validationRegex = /^(?:\d+|\*|\*\/\d+)$/;
function isValidExpression(expression, min, max) {
const options = expression;
for (const option of options) {
const optionAsInt = parseInt(option, 10);
if ((!Number.isNaN(optionAsInt) &&
(optionAsInt < min || optionAsInt > max)) ||
!validationRegex.test(option))
return false;
}
return true;
}
function isInvalidSecond(expression) {
return !isValidExpression(expression, 0, 59);
}
function isInvalidMinute(expression) {
return !isValidExpression(expression, 0, 59);
}
function isInvalidHour(expression) {
return !isValidExpression(expression, 0, 23);
}
function isInvalidDayOfMonth(expression) {
return !isValidExpression(expression, 1, 31);
}
function isInvalidMonth(expression) {
return !isValidExpression(expression, 1, 12);
}
function isInvalidWeekDay(expression) {
return !isValidExpression(expression, 0, 7);
}
function validateFields(patterns, executablePatterns) {
if (isInvalidSecond(executablePatterns[0]))
throw new Error(`${patterns[0]} is a invalid expression for second`);
if (isInvalidMinute(executablePatterns[1]))
throw new Error(`${patterns[1]} is a invalid expression for minute`);
if (isInvalidHour(executablePatterns[2]))
throw new Error(`${patterns[2]} is a invalid expression for hour`);
if (isInvalidDayOfMonth(executablePatterns[3]))
throw new Error(`${patterns[3]} is a invalid expression for day of month`);
if (isInvalidMonth(executablePatterns[4]))
throw new Error(`${patterns[4]} is a invalid expression for month`);
if (isInvalidWeekDay(executablePatterns[5]))
throw new Error(`${patterns[5]} is a invalid expression for week day`);
}
function validate(pattern) {
if (typeof pattern !== 'string')
throw new TypeError('pattern must be a string!');
const patterns = pattern.split(' ');
const executablePatterns = (0, index_1.default)(pattern);
if (patterns.length === 5)
patterns.unshift('0');
validateFields(patterns, executablePatterns);
}
exports.default = validate;
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