@opennetwork/rdf-dataset/esnext/dataset.js

import { isQuad, DefaultDataFactory, isQuadLike } from "@opennetwork/rdf-data-model";
import { ReadonlyDataset } from "./readonly-dataset.js";
export class Dataset extends ReadonlyDataset {
    constructor(set = new Set()) {
        super(set);
        this.#set = set;
    }
    #set;
    add(value) {
        const quad = isQuad(value) ? value : DefaultDataFactory.fromQuad(value);
        if (this.#set.has ? this.#set.has(quad) : this.has(quad)) {
            return this;
        }
        this.#set.add(quad);
        return this;
    }
    addAll(dataset) {
        for (const value of dataset) {
            this.add(value);
        }
        return this;
    }
    async import(dataset, eager) {
        const values = [];
        for await (const value of dataset) {
            if (eager) {
                this.add(value);
            }
            else {
                values.push(value);
            }
        }
        this.addAll(values);
        return undefined;
    }
    delete(quad) {
        this.match(quad).forEach(this.deleteSource.bind(this));
        return this;
    }
    deleteSource(quad) {
        this.#set.delete(quad);
    }
    replace(replacing, replacers) {
        const replacingDataset = new Set(new ReadonlyDataset().union((isQuad(replacing) || isQuadLike(replacing)) ? [replacing] : replacing).filter(quad => this.has(quad)));
        if (!replacingDataset.size) {
            return;
        }
        for (const toDelete of replacingDataset) {
            this.delete(toDelete);
        }
        if (isQuad(replacers) || isQuadLike(replacers)) {
            this.add(replacers);
        }
        else {
            this.addAll(replacers);
        }
        return this;
    }
    get size() {
        return this.#set.size;
    }
}
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