envOrDefault

envOrDefault(name, default) → string · System

Read an environment variable, returning a default value if not set.

• name (required): environment variable name

• default (required): fallback value if the variable is not set

envOrDefault("LOG_LEVEL", "INFO")        // "INFO" if LOG_LEVEL not set
{
  logLevel: envOrDefault("LOG_LEVEL", "INFO"),
  dbUrl: envOrDefault("DATABASE_URL", "postgres://localhost:5432/mydb")
}