Function transformClassCode

packages/vite/src/node/__tests__/plugins/esbuild.spec.ts:312–332

(
      target: string,
      tsconfigCompilerOptions: {
        target?: string
        useDefineForClassFields?: boolean
      },
    )

  describe('useDefineForClassFields', async () => {
    const transformClassCode = async (
      target: string,
      tsconfigCompilerOptions: {
        target?: string
        useDefineForClassFields?: boolean
      },
    ) => {
      const result = await transformWithEsbuild(
        `
          class foo {
            bar = 'bar'
          }
        `,
        normalizePath(path.resolve(import.meta.dirname, 'bar.ts')),
        {
          target,
          tsconfigRaw: { compilerOptions: tsconfigCompilerOptions },
        },
      )
      return result?.code
    }

    const [
      defineForClassFieldsTrueTransformedCode,