How to resolve this ECMA warning?

[binarykitchen]

⚠ Error: [E1004:Warn:ECMA-VERSION-CHECK] The ECMA version used in "index.js" is ES7+, which exceeds the ES5 standard.

Not sure where it's coming from, my project. How do you, in general, tell rsbuild to which ECMA version to compile to?

Does it depend on tsconfig where I have this?

  "compilerOptions": {
    "module": "esnext",
    "moduleResolution": "bundler",
...

[easy1090]

This rule cannot currently determine based on config and browserlist; by default, it reports code that is ECMAScript 5 and above. We will optimize this rule in the future. issue：#532