vite-dev-logs/dist/index.js

Creates a Vite plugin that logs only in development mode, for AI agents.

import { mkdirSync, appendFileSync } from 'fs';
import { existsSync } from 'node:fs';
const defaultOptions = {
    url: '/dev-logger',
    outputFolder: 'logs',
    outputFileName: 'dev-log',
};
export default function viteDevLogger(options) {
    const pluginOptions = {
        ...defaultOptions,
        ...options,
    };
    if (!existsSync(pluginOptions.outputFolder)) {
        mkdirSync(pluginOptions.outputFolder);
    }
    const todayDate = new Date().toISOString().split('T')[0];
    return {
        name: 'vite-dev-logger',
        configureServer(server) {
            server.middlewares.use((req, res, next) => {
                if (req.url !== pluginOptions.url) {
                    next();
                    return;
                }
                let body = '';
                req.on('data', (chunk) => {
                    body += chunk.toString();
                });
                req.on('end', () => {
                    try {
                        const data = JSON.parse(body);
                        appendFileSync(`${pluginOptions.outputFolder}/${pluginOptions.outputFileName}${todayDate}.log`, JSON.stringify(data, null, 0) + '\n');
                        res.statusCode = 200;
                        res.end();
                    }
                    catch (error) {
                        console.error(error);
                        res.statusCode = 400;
                        res.end('Invalid JSON, please send a valid JSON object.');
                    }
                });
            });
        },
    };
}
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