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Use transactions: Transactions can be used to ensure that a code 1 exit is avoided even if no modifications are made to the database using TypeORM. If there are no modifications made within the transaction, then it can be rolled back. This will prevent a code 1 exit.
Check for errors: It is important to check for any errors that may occur within the code to prevent a code 1 exit. This can be done using try-catch blocks or promises to ensure that any errors are correctly dealt with.
Use logging: Using logging can help to identify any potential issues before they cause a code 1 exit. It also makes it easier to understand what has happened if an error does occur.
Use TypeScript: When using TypeScript, the compiler can help to catch any code issues before they can cause a code 1 exit. This can help to prevent issues at the compilation stage.
Check the database connection: If the database connection is lost, then it can cause a code 1 exit. It is important to ensure that the connection is stable and reliable before running any code.