datastore-core/dist/src/memory.js

Wrapper implementation for interface-datastore

import { Key } from 'interface-datastore/key';
import { NotFoundError } from 'interface-store';
import { BaseDatastore } from './base.js';
export class MemoryDatastore extends BaseDatastore {
    data;
    constructor() {
        super();
        this.data = new Map();
    }
    put(key, val, options) {
        options?.signal?.throwIfAborted();
        this.data.set(key.toString(), val);
        return key;
    }
    get(key, options) {
        options?.signal?.throwIfAborted();
        const result = this.data.get(key.toString());
        if (result == null) {
            throw new NotFoundError();
        }
        return result;
    }
    has(key, options) {
        options?.signal?.throwIfAborted();
        return this.data.has(key.toString());
    }
    delete(key, options) {
        options?.signal?.throwIfAborted();
        this.data.delete(key.toString());
    }
    *_all(q, options) {
        options?.signal?.throwIfAborted();
        for (const [key, value] of this.data.entries()) {
            yield { key: new Key(key), value };
            options?.signal?.throwIfAborted();
        }
    }
    *_allKeys(q, options) {
        options?.signal?.throwIfAborted();
        for (const key of this.data.keys()) {
            yield new Key(key);
            options?.signal?.throwIfAborted();
        }
    }
}
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