@croct/cache/timestampedCacheEntry.js

An abstraction layer for caching.

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.TimestampedCacheEntry = void 0;
const time_1 = require("@croct/time");
var TimestampedCacheEntry;
(function (TimestampedCacheEntry) {
    function toJSON(entry) {
        return JSON.stringify({
            value: entry.value,
            timestamp: entry.timestamp.toEpochMillis(),
        });
    }
    TimestampedCacheEntry.toJSON = toJSON;
    function fromJSON(json) {
        const jsonEntry = JSON.parse(json);
        if (jsonEntry === null
            || typeof jsonEntry !== 'object'
            || Array.isArray(jsonEntry)
            || jsonEntry.value === undefined
            || typeof jsonEntry.timestamp !== 'number'
            || !Number.isSafeInteger(jsonEntry.timestamp)) {
            throw new Error('Invalid JSON representation of TimestampedCacheEntry.');
        }
        return {
            value: jsonEntry.value,
            timestamp: time_1.Instant.ofEpochMilli(jsonEntry.timestamp),
        };
    }
    TimestampedCacheEntry.fromJSON = fromJSON;
})(TimestampedCacheEntry || (exports.TimestampedCacheEntry = TimestampedCacheEntry = {}));