@river-build/sdk/dist/sync-agent/timeline/models/threads.js

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import { Observable } from '../../../observable/observable';
export class Threads extends Observable {
    constructor(initialValue = {}) {
        super(initialValue);
    }
    update(fn) {
        this.setValue(fn(this.value));
    }
    reset() {
        this.setValue({});
    }
    get(parentId) {
        return this.value?.[parentId];
    }
    add(event) {
        const parentId = event.threadParentId;
        if (!parentId) {
            return;
        }
        const sorted = [...(this.value[parentId] ?? []), event].sort((a, b) => a.eventNum > b.eventNum ? 1 : -1);
        this.update((current) => ({
            ...current,
            [parentId]: sorted,
        }));
    }
    remove(event) {
        const parentId = event.threadParentId;
        if (!parentId) {
            return;
        }
        const threadEventIndex = this.value[parentId]?.findIndex((e) => e.eventId === event.eventId) ?? -1;
        if (threadEventIndex === -1) {
            return;
        }
        this.update((current) => ({
            ...current,
            [parentId]: current[parentId]
                .splice(0, threadEventIndex)
                .concat(current[parentId].slice(threadEventIndex + 1)),
        }));
    }
    replace(event, eventIndex) {
        const parentId = event.threadParentId;
        if (!parentId) {
            return;
        }
        this.update((current) => ({
            ...current,
            [parentId]: [
                ...current[parentId].slice(0, eventIndex),
                event,
                ...current[parentId].slice(eventIndex + 1),
            ],
        }));
    }
}
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