@srsl/tools/constructors/postgres.js

JavaScript tools for common interfaces

const { Client } = require('pg')

const { sleep } = require('../utils')


const run = async (
  attempts = Infinity,
  interval = 3000,
  onError = (e) => console.error('[Postgres] Connection Error', e),
  url = process.env.POSTGRES_URL,
  host = process.env.POSTGRES_HOST || '127.0.0.1',
  port = process.env.POSTGRES_PORT || 5432,
  database = process.env.POSTGRES_DATABASE || 'postgres',
  user = process.env.POSTGRES_USER || 'postgres',
  password = process.env.POSTGRES_PASSWORD || 'password',
  ssl = process.env.POSTGRES_SSL == 'true' || false,
  config = {},
) => {
  try {
    console.log(`[Postgres] Connecting to postgres... postgresql://${user}:********${host}:${port}/${database}`)
    const client = new Client({
      user,
      host,
      database,
      password,
      port,
      ssl,
      ...(config || {}),
    })
    const pgInterface = await client.connect()
    console.log(`[Postgres] Connected to host ${host}`)
    return pgInterface
  } catch (e) {
    onError(e)
    await sleep(interval)
    if (attempts === 0) return onError()
    return run(attempts, interval, onError)
  }
}

module.exports = run