mcp-ai-agent-guidelines/dist/tools/mermaid/handlers/quadrant.handler.js

A comprehensive Model Context Protocol server providing advanced tools, resources, and prompts for implementing AI agent best practices

import { BaseDiagramHandler } from "./base.handler.js";
/**
 * Handler for quadrant chart diagrams.
 * Generates priority/urgency matrix visualizations.
 */
export class QuadrantHandler extends BaseDiagramHandler {
    diagramType = "quadrant";
    generate(description, theme) {
        this.validateInput(description);
        const lines = ["quadrantChart"];
        if (theme)
            lines.unshift(`%%{init: {'theme':'${theme}'}}%%`);
        const { title, xAxis, yAxis, quadrants, points } = this.parseQuadrantDescription(description);
        lines.push(`title ${title}`);
        lines.push(`x-axis ${xAxis[0]} --> ${xAxis[1]}`);
        lines.push(`y-axis ${yAxis[0]} --> ${yAxis[1]}`);
        if (quadrants.length === 4) {
            lines.push(`quadrant-1 ${quadrants[0]}`);
            lines.push(`quadrant-2 ${quadrants[1]}`);
            lines.push(`quadrant-3 ${quadrants[2]}`);
            lines.push(`quadrant-4 ${quadrants[3]}`);
        }
        if (points.length > 0) {
            for (const point of points) {
                lines.push(point);
            }
        }
        else {
            // Fallback template
            lines.push("Item A: [0.3, 0.6]");
            lines.push("Item B: [0.7, 0.8]");
            lines.push("Item C: [0.2, 0.3]");
        }
        return lines.join("\n");
    }
    /**
     * Parse natural language description to extract quadrant data.
     */
    parseQuadrantDescription(description) {
        const title = "Priority Matrix";
        const xAxis = ["Low", "High"];
        const yAxis = ["Low", "High"];
        const quadrants = ["Plan", "Do", "Delegate", "Delete"];
        const points = [];
        // Extract items to plot
        const sentences = description
            .split(/[.!?\n]+/)
            .map((s) => s.trim())
            .filter((s) => s.length > 0);
        for (let i = 0; i < Math.min(sentences.length, 8); i++) {
            const item = sentences[i].length > 20
                ? `${sentences[i].substring(0, 17)}...`
                : sentences[i];
            const x = (0.2 + Math.random() * 0.6).toFixed(1);
            const y = (0.2 + Math.random() * 0.6).toFixed(1);
            points.push(`${item}: [${x}, ${y}]`);
        }
        return { title, xAxis, yAxis, quadrants, points };
    }
}
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