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This seems like a small (but important) contribution, so no Contribution License Agreement is required at this point. Real humans will now evaluate your PR.

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@mhegazy Here's my tests:

1. multiline try block

try {
   var a = 1;
   var b = 2;
} // a
catch (e) {}

And this PR produces:

try {
    var a = 1;
    var b = 2;
} // a
catch (e) { }

And without comments:

try {
   let a = 1;
   let b = 2;
}
catch (e) {}

try {
    var a = 1;
    var b = 2;
}
catch (e) { }

1. one-line block

try {} // a
catch (e) {}

try { } // a
catch (e) { }

try {}
catch (e) {}

try { }
catch (e) { }