91 lines
2.4 KiB
JavaScript
91 lines
2.4 KiB
JavaScript
import fs from 'node:fs/promises';
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import path from 'node:path';
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import { defineConfig } from 'vite';
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import react from '@vitejs/plugin-react';
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const databasePath = path.resolve(process.cwd(), 'data', 'flow-db.json');
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async function readDatabase() {
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try {
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const raw = await fs.readFile(databasePath, 'utf8');
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return JSON.parse(raw);
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} catch (error) {
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if (error.code === 'ENOENT') return null;
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throw error;
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}
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}
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async function writeDatabase(data) {
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await fs.mkdir(path.dirname(databasePath), { recursive: true });
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await fs.writeFile(databasePath, JSON.stringify({
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...data,
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updatedAt: new Date().toISOString()
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}, null, 2));
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}
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function readRequestBody(request) {
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return new Promise((resolve, reject) => {
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let body = '';
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request.on('data', (chunk) => {
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body += chunk;
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if (body.length > 5_000_000) {
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reject(new Error('Request body is too large'));
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request.destroy();
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}
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});
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request.on('end', () => resolve(body));
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request.on('error', reject);
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});
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}
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function sendJson(response, statusCode, payload) {
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response.statusCode = statusCode;
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response.setHeader('Content-Type', 'application/json; charset=utf-8');
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response.end(JSON.stringify(payload));
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}
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function serverDatabasePlugin() {
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return {
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name: 'flow-server-database',
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configureServer(server) {
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server.middlewares.use('/api/state', async (request, response) => {
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try {
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if (request.method === 'GET') {
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const data = await readDatabase();
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if (!data) {
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sendJson(response, 404, { error: 'Database is empty' });
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return;
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}
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sendJson(response, 200, data);
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return;
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}
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if (request.method === 'PUT' || request.method === 'PATCH') {
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const current = request.method === 'PATCH' ? (await readDatabase()) ?? {} : {};
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const body = await readRequestBody(request);
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const payload = body ? JSON.parse(body) : {};
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const nextData = {
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...current,
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...payload
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};
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await writeDatabase(nextData);
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sendJson(response, 200, nextData);
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return;
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}
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response.statusCode = 405;
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response.end();
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} catch (error) {
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sendJson(response, 500, { error: error.message });
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}
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});
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}
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};
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}
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export default defineConfig({
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plugins: [react(), serverDatabasePlugin()]
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});
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