@daisugi/kintsugi/dist/esm/simple_memory_store.js

Kintsugi is a set of utilities to help build a fault tolerant services.

import { Result } from '@daisugi/anzen';
import { Ayamari } from '@daisugi/ayamari';
const { errFn } = new Ayamari();
export class SimpleMemoryStore {
    #store;
    constructor() {
        this.#store = Object.create(null);
    }
    get(cacheKey) {
        const value = this.#store[cacheKey];
        if (typeof value === 'undefined') {
            return Result.failure(errFn.NotFound('Not found in cache.'));
        }
        return Result.success(value);
    }
    set(cacheKey, value) {
        this.#store[cacheKey] = value;
        return Result.success(value);
    }
    delete(cacheKey) {
        this.#store[cacheKey] = undefined;
        return Result.success(cacheKey);
    }
    weakDelete(cacheKey) {
        this.#store[cacheKey] = undefined;
        return Result.success(cacheKey);
    }
}
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