@kikiutils/nitro-session/dist/handlers/data/unstorage.mjs

Easy-to-use nitro session.

import { consola } from 'consola';
import { nanoid } from 'nanoid';
import { createStorage, prefixStorage } from 'unstorage';
import { importModule } from '../../utils.mjs';

class UnstorageDataHandler {
    #keyLength;
    #storage;
    constructor(keyLength, storage) {
        this.#keyLength = keyLength;
        this.#storage = storage;
    }
    static async createInstance(options) {
        const keyLength = options?.key?.length || 24;
        if (keyLength < 24)
            throw new Error('The unstorage key length must be 24 or more');
        let storage;
        if (!options?.driver || options?.driver === 'memory') {
            storage = createStorage({ driver: (await importModule('unstorage/drivers/memory'))() });
        }
        else {
            try {
                const driver = await importModule(`unstorage/drivers/${options.driver}`);
                storage = prefixStorage(createStorage({ driver: driver(options.options) }), options.key?.prefix || 'session');
            }
            catch (error) {
                consola.error(error);
                // eslint-disable-next-line style/max-len
                throw new Error(`Failed to import or create unstorage driver '${options.driver}', please check if the relevant dependency is installed and the driver is supported and set the correct options.`);
            }
        }
        return new this(keyLength, storage);
    }
    delete(key) {
        return this.#storage.removeItem(key).catch(consola.error);
    }
    async get(event, key) {
        try {
            const data = await this.#storage.getItem(key);
            if (data)
                event.context._nitroSessionUnstorageKey = key;
            return data;
        }
        catch (error) {
            consola.error(error);
        }
    }
    async setOrProcessAndGetToken(event, data) {
        try {
            const key = event.context._nitroSessionUnstorageKey ||= nanoid(this.#keyLength);
            await this.#storage.setItem(key, data);
            return key;
        }
        catch (error) {
            consola.error(error);
        }
    }
}

export { UnstorageDataHandler };
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