## Background <img width="650" alt="image" src="https://github.com/user-attachments/assets/a7ad2857-839e-4bb1-a524-886c87ecc169" /> When users use multiple sets of tools, they need to write an additional set of browserlist-to-targets conversion code for Umi or ecological tools. ## Proposal - [ ] Mako supports the `browserslist` configuration. - [ ] Umi supports configuration `targets: { browserslist: {} }`.