Wrong code generation when class method decorator is before a jsdoc comment

[viceice]

Describe the bug

Wrong code generation when a async class method has a decorator before a jsdoc comment. It compiles the aync keyword wrongly before the method name.

Input code

const printMemberName = (target: any, memberName: string) => {
    console.log(memberName);
  };

class TestClass {


  // moving the decorator below the comment works as expected

  @printMemberName
  /**
   * some tsdoc comments
   * 
   * Some more comments
   * over
   * multiple
   * lines
   */
  async run(): Promise<boolean> {
    return await Promise.resolve(true);
  }
}

export { TestClass };

Config

{
    "sourceMaps": true,
    "jsc": {
      "parser": {
        "syntax": "typescript",
        "decorators": true,
        "dynamicImport": false,
        "keepClassNames": true
      },
      "transform": null,
      "target": "es2020",
      // TODO: fails, file bug
      "preserveAllComments": true
    },
    "module": {
      "type": "commonjs"
    }
  }

Playground link

https://play.swc.rs/?version=1.2.157&code=H4sIAAAAAAAAA11Qy0rEQBC8B%2FIPfUyCbO7RFcGzIugPTCZNDM5Mh%2B7OxiXsvzsTk1V2DtOPKoqushREYeQh6Av6FvnVeIQjFGq4R23AhPMd%2BCvUgGgk9yUcH2HJM4jPRg1yeHDUF3%2FM8j6hl%2FjnmXVGBD5Q9HntlrRMcF2Dp1PUA%2F1E6NASGyWGFh3N686S9xgUZuIvASOA3yNaxe5X4Onm9FW0qtbDKhCKZlQ6sruObMhW3hPBE%2BMtTifkrfWT02F0uI1uCLix6lSMnIMFnkJRNvDG5AfBh5ZiICZcI2LUiQOY2Qy6kw6MMbYTFsrTnlaeXZKv6JFYYfkXWQryB8N5v3OtAQAA&config=H4sIAAAAAAAAA0WOMQ6DMAxF7%2BKZATGyVcztHSIwKDSJI9tURYi710EUNit5%2F%2F2%2FwSw9tBtkx4JcLlmTui%2B0oGtG6dlnhQoG7ImdEgu0ygtWoGLQ6ILY%2FUbMXXAiLxfxJHZDHE%2BopkJp6qY2TWa0mg8%2BQugoRkx6%2BQKR4GWMPvlxLXt6iiUl95dLU%2FiTu9VEGpbysB2Trc4ikdIssN%2BiM%2BzledLHxh%2BMYVykAAEAAA%3D%3D

Expected behavior

the async keyword should stay before the method name

Actual behavior

The async keyword is compiled before the jsdoc comment.

Version

1.2.165

Additional context

comments are required for istanbul coverage collector.

https://github.com/renovate-reproductions/swc-jest#swc-jest

[swc-bot]

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