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source.decorators

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

Used to configure the decorators syntax.

decorators.version

  • Type: 'legacy' | '2022-03'
  • Default: 'legacy'

Specify the decorator syntax version to be used.

legacy

Rsbuild uses legacy syntax by default (Stage 1 proposal), equivalent to TypeScript's experimentalDecorators: true.

Reference documentation:

2022-03

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: