class ContentPartBuilder {
    _parts = new Map();
    _citationIdMap = new Map();
    _nextCitationId = 1;
    addChunk(chunk) {
        if (!this._parts.has(chunk.index)) this._parts.set(chunk.index, {
            text: '',
            citations: []
        });
        const part = this._parts.get(chunk.index);
        if (void 0 !== chunk.text) part.text = (part.text ?? '') + chunk.text;
        if (chunk.citation) {
            if (!part.citations) part.citations = [];
            const normalizedCitation = this.normalizeCitation(chunk.citation);
            part.citations.push(normalizedCitation);
        }
    }
    getContentParts() {
        return Array.from(this._parts.entries()).sort(([a], [b])=>a - b).map(([_, part])=>part);
    }
    normalizeCitation(citation) {
        if (citation.id) return citation;
        const citationKey = citation.title;
        if (this._citationIdMap.has(citationKey)) return {
            ...citation,
            id: this._citationIdMap.get(citationKey)
        };
        const newId = this._nextCitationId++;
        this._citationIdMap.set(citationKey, newId);
        return {
            ...citation,
            id: newId
        };
    }
}
export { ContentPartBuilder };
