@selenite/graph-editor/dist/graph-editor/render/sockets-position.ts/storage.js

A graph editor for visual programming, based on rete and svelte.

export class SocketsPositionsStorage {
    elements = new Map();
    getPosition(data) {
        const list = Array.from(this.elements.values()).flat();
        const found = list.filter((item) => {
            return item.side === data.side && item.nodeId === data.nodeId && item.key === data.key;
        });
        // eslint-disable-next-line no-console
        if (found.length > 1)
            console.warn([
                'Found more than one element for socket with same key and side.',
                'Probably it was not unmounted correctly'
            ].join(' '), data);
        return found.pop()?.position || null;
    }
    add(data) {
        const existing = this.elements.get(data.element);
        this.elements.set(data.element, existing
            ? [
                ...existing.filter((n) => !(n.nodeId === data.nodeId && n.key === data.key && n.side === data.side)),
                data
            ]
            : [data]);
    }
    remove(element) {
        this.elements.delete(element);
    }
    snapshot() {
        return Array.from(this.elements.values()).flat();
    }
}