@aws-lambda-powertools/parameters/lib/esm/base/ExpirableValue.js

The parameters package for the Powertools for AWS Lambda (TypeScript) library

/**
 * Class to represent a value that can expire.
 *
 * Upon creation, the value is assigned a TTL (time to live) that is calculated
 * by adding the current time with the maximum age.
 */
class ExpirableValue {
    ttl;
    value;
    /**
     *
     * @param value - Value to be cached
     * @param maxAge - Maximum age in seconds for the value to be cached
     */
    constructor(value, maxAge) {
        this.value = value;
        const timeNow = new Date();
        this.ttl = timeNow.setSeconds(timeNow.getSeconds() + maxAge);
    }
    /**
     * Check if the value has expired.
     *
     * @returns {boolean} - True if the value has expired, false otherwise
     */
    isExpired() {
        return this.ttl < Date.now();
    }
}
export { ExpirableValue };