@shirokuma-library/mcp-knowledge-base/dist/src/services/SearchQueryParser.js

MCP server for AI-powered knowledge management with semantic search, graph analysis, and automatic enrichment

export class SearchQueryParser {
    parse(query) {
        const filters = {};
        const keywords = [];
        const filterPattern = /(\w+):([^\s]+)/g;
        let remaining = query;
        const matches = [];
        let match;
        while ((match = filterPattern.exec(query)) !== null) {
            const [fullMatch, key, value] = match;
            matches.push({ key, value, fullMatch });
        }
        for (const { key, value, fullMatch } of matches) {
            switch (key) {
                case 'status':
                    if (!filters.status)
                        filters.status = [];
                    filters.status.push(value);
                    break;
                case 'type':
                    if (!filters.type)
                        filters.type = [];
                    filters.type.push(value);
                    break;
                case 'is':
                    if (value === 'open' || value === 'closed') {
                        filters.is = value;
                    }
                    break;
                case 'priority':
                    if (!filters.priority)
                        filters.priority = [];
                    filters.priority.push(value.toUpperCase());
                    break;
            }
            remaining = remaining.replace(fullMatch, ' ');
        }
        const remainingWords = remaining.trim().split(/\s+/).filter(w => w.length > 0);
        keywords.push(...remainingWords);
        return { keywords, filters, raw: query };
    }
}