4 lines
992 B
JavaScript
4 lines
992 B
JavaScript
require('dotenv').config({quiet:true});
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const mysql=require('mysql2/promise');
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(async()=>{let db;try {const u=new URL(process.env.DATABASE_URL);const name=u.pathname.slice(1);if(!/^[a-zA-Z0-9_]+$/.test(name))throw Error();db=await mysql.createConnection({host:u.hostname,port:Number(u.port||3306),user:decodeURIComponent(u.username),password:decodeURIComponent(u.password)});const [existing]=await db.execute('SELECT SCHEMA_NAME FROM information_schema.SCHEMATA WHERE SCHEMA_NAME=?',[name]);if(existing.length){const [tables]=await db.execute('SELECT TABLE_NAME FROM information_schema.TABLES WHERE TABLE_SCHEMA=?',[name]);console.log('Database already exists; tables:',tables.map(t=>t.TABLE_NAME));}else {await db.query('CREATE DATABASE `'+name+'` CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci');console.log('Created new empty project database.');}}catch(e){console.error('Database preflight failed:',e.code||'configuration error');process.exitCode=1;}finally{if(db)await db.end();}})();
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