@thermopylae/lib.cache/dist/policies/expiration/abstract.js

Modular cache.

import { chrono } from '@thermopylae/lib.utils';
import { EXPIRES_AT_SYM } from "../../constants.js";
import { createException } from "../../error.js";
class AbstractExpirationPolicy {
    deleteFromCache;
    onMiss() {
        return undefined;
    }
    onDelete(entry) {
        entry[EXPIRES_AT_SYM] = undefined; 
    }
    setDeleter(deleter) {
        this.deleteFromCache = deleter;
    }
    static setEntryExpiration(entry, expiresAfter, expiresFrom) {
        if (!Number.isInteger(expiresAfter)) {
            throw createException("INVALID_EXPIRES_AFTER" , `'expiresAfter' needs to be an integer. Given: ${expiresAfter}.`);
        }
        const now = chrono.unixTime();
        let expiresAt;
        if (expiresFrom != null) {
            if (!Number.isInteger(expiresFrom)) {
                throw createException("INVALID_EXPIRES_FROM" , `'expiresFrom' needs to be an integer. Given: ${expiresFrom}.`);
            }
            expiresAt = expiresFrom + expiresAfter;
        }
        else {
            expiresAt = now + expiresAfter;
        }
        if (expiresAt < now) {
            expiresAt = now;
        }
        entry[EXPIRES_AT_SYM] = expiresAt;
    }
}
export { AbstractExpirationPolicy };