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source.decorators

type Decorators = {
  version?: 'legacy' | '2022-03';
};

Used to configure the decorators syntax.

decorators.version

Specify the decorator syntax version to be used.

If you want to know the differences between different decorators versions, you can refer to: How does this proposal compare to other versions of decorators?

2022-03 corresponds to the Stage 3 decorator proposal, equivalent to the decorator syntax supported by TypeScript 5.0 by default.

rsbuild.config.ts

export default {
  source: {
    decorators: {
      version: '2022-03',
    },
  },
};

Reference documentation:

Equivalent to TypeScript's experimentalDecorators: true.

rsbuild.config.ts

export default {
  source: {
    decorators: {
      version: 'legacy',
    },
  },
};

Reference documentation: