Microsoft/TypeScript

Comments on constructor super call not preserved in ES5 unless it has additional empty line

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#49,045 opened on 2022幎5月10日

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Domain: Comment EmitExperience EnhancementHelp WantedSuggestion

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説明

Bug Report

🔎 Search Terms

  • comments
  • stripped
  • super
  • constructor

🕗 Version & Regression Information

  • This is the behavior in every version I tried, and I reviewed the FAQ for entries about _________

⏯ Playground Link

Playground link with relevant code

💻 Code

class B {
    constructor(...args: any[]) {}
}

class A extends B {
    constructor(...args: any[]) {
        /** this comment is not preserved */
        super(...args)
    }
}

class C extends B {
    constructor(...args: any[]) {
        /** this comment is preserved */
        
        super(...args)
    }
}

🙁 Actual behavior

Comment on the super call was not preserved in the ES5 output

🙂 Expected behavior

Comment on the super call to be preserved

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