On Mon, 28 Jan 2019 at 20:19, Forrest Norvell <othiy...@gmail.com> wrote:
> You’re going to need to write a custom serializer similar to util.inspect
> to get this. Be forewarned, though, there’s a reason functions aren’t
> displayed as their source by default: calling .toString() on a function
> doesn’t include the closure environment for the function, so any lexically
> defined values that are in scope when the function was defined won’t be
> available later:
>
> function mildCurry (a) {
> return (b) => a + b;
> }
>
> const oneOff = { add2: mildCurry(2) }
> // > oneOff.add2.toString()
> // '(b) => a + b'
>
> If you’re careful about how you define functions on objects (and also
> figure out whether you want to include prototype methods as part of this
> serialization) you can probably stay out of trouble, but this isn’t as
> generally useful as you might hope.
>
Hopefully I am not worried about closures though I will have to check my
usecase's code out as its a third party library.
I have found Function.toString() works for functions so will just write a
serialized as you suggest.
Many thanks,
Aaron
> On Mon, Jan 28, 2019 at 12:05 PM Aaron Gray <aaronngray.li...@gmail.com>
> wrote:
>
>> Hi,
>>
>> I need to print out objects with embedded functions ideally both to the
>> command line and as files.
>>
>> const test = {
>> name: "test",
>> get: function() { return "test"; }
>> };
>>
>> I need to print out a structure like the above with the function
>> definition to the console and also as a text file.
>>
>> Regards,
>> Aaron
>>
>>
>> --
>> Aaron Gray
>>
>> Independent Open Source Software Engineer, Computer Language Researcher,
>> Information Theorist, and amateur computer scientist.
>>
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--
Aaron Gray
Independent Open Source Software Engineer, Computer Language Researcher,
Information Theorist, and amateur computer scientist.
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