pg-database-url is a minimalist utility that constructs a PostgreSQL connection string (URI) from a structured JavaScript configuration object. Released as version 0.1.0, this package targets older Node.js environments (specifically `>=4.2.0`) and exclusively uses CommonJS modules. As of the last observed activity, the project appears to be abandoned, with no significant updates or maintenance in recent years (last commit over 11 years ago). Its primary function is to simplify the creation of connection strings for use with PostgreSQL client libraries like `node-postgres`, converting host, port, database, username, and password into a standard `postgres://` URI format. It does not offer advanced features like connection pooling, query building, or extensive validation, focusing solely on the URI generation aspect. There are no clear release cadences or stated differentiators, as it is a very specific, single-purpose library.
npm install pg-database-urlVerified import paths — ran on the pinned version, not inferred.
This quickstart demonstrates how to generate a PostgreSQL connection string from a configuration object, suitable for use with client libraries like `node-postgres`. It includes placeholder environment variables for security and best practices.
Consider migrating to actively maintained alternatives like `pg-connection-string` (from the `node-postgres` ecosystem) or manually constructing connection URIs, ensuring proper URL encoding of credentials.
Always ensure the `dbConfig` object contains all necessary and correctly typed properties (`host`, `port`, `database`, `username`, `password`) before passing it to `pgUrl`. Implement your own input validation if needed.
Always use secure practices for handling database credentials. Retrieve sensitive data from environment variables (as shown in quickstart), a dedicated secret management service, or a secure configuration system. Avoid hardcoding credentials.
Ensure that the `dbConfig` object passed to `pgUrl` includes at least `database` and `username`. Verify that `host` and `port` are correctly specified if not using defaults.
Use the CommonJS `require` syntax: `const pgUrl = require('pg-database-url')`.Double-check the `password` and `username` properties in your `dbConfig` object to ensure they match the credentials configured for your PostgreSQL database. Ensure no accidental URL encoding issues are present if the password contains special characters, though this library doesn't explicitly mention handling it, modern drivers typically do.
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