v0-mcp/dist/lib.js

MCP server v0 for adding components and dependencies to projects

const V0_TEXT_EXTRACT_PATTERN = /(?:<Thinking>\s*([\s\S]*?)\s*<\/Thinking>)?\s*(?:<CodeProject[^>]*>\s*([\s\S]*?)\s*<\/CodeProject>)?/i;
export function extractV0Text(text) {
    try {
        if (!text || typeof text !== 'string') {
            throw new Error('Invalid input: text must be a non-empty string');
        }
        const match = V0_TEXT_EXTRACT_PATTERN.exec(text);
        if (!match) {
            throw new Error('No match found');
        }
        const [, thinkingContent, codeProjectContent] = match;
        if (!codeProjectContent) {
            throw new Error('CodeProject section is empty');
        }
        return {
            think: thinkingContent ? thinkingContent.trim() : '',
            codeProject: cleanCode(codeProjectContent),
        };
    }
    catch (error) {
        console.error(error);
        return {
            think: '',
            codeProject: '',
        };
    }
}
export async function fetchV0Data(endpoint, method, params = {}) {
    const queryString = params.query ? `?${new URLSearchParams(params.query).toString()}` : '';
    const url = endpoint + queryString;
    const hasBody = method !== 'GET' && params.body;
    const headers = {
        Authorization: `Bearer ${process.env.V0_API_KEY}`,
        ...params.headers,
    };
    if (hasBody) {
        headers['Content-Type'] = 'application/json';
    }
    const res = await fetch(url, {
        method,
        headers,
        body: hasBody ? JSON.stringify(params.body) : undefined,
    });
    if (!res.ok) {
        const text = await res.text();
        throw new Error(`HTTP ${res.status}: ${text}`);
    }
    return res.json();
}
function cleanCode(code) {
    return code
        .replace(/^```\w+\s+file=["']?[^"'\s]+["']?\s*\n/, '')
        .replace(/^```\w*\s*\n?/, '')
        .replace(/\n?```\s*$/, '')
        .trim();
}
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