もりたけんじ

[これ出たら] No changes in database schema were found – cannot generate a migration. To create a new empty migration use “typeorm migration:create” command

[これ出たら] No changes in database schema were found - cannot generate a migration. To create a new empty migration use "typeorm migration:create" command

No changes in database schema were found - cannot generate a migration. To create a new empty migration use "typeorm migration:create" command

これが出たら

npx typeorm migration:create -n CreateItem

してください。
以上です