Simon,
Thank you so much for your answer!
That makes perfect sense
On Sun, Sep 1, 2019 at 10:31 PM 'Simon Zünd' via v8-users <
v8-users@googlegroups.com> wrote:
> Hey,
>
> You are not accessing the "size" property, but treat "args[0]" as if it
> were a number (which it is not, it's a ArrayBuffer). Since you have
> established that args[0] is an ArrayBuffer, you can use cast, which would
> look roughly like this:
>
> Local<ArrayBuffer> array_buffer = Local<ArrayBuffer>::cast(args[0]);
> size_t size = array_buffer->ByteLength();
>
>
> On Mon, Sep 2, 2019 at 12:50 AM Jonathan Doster <jbdos...@gmail.com>
> wrote:
>
>> Hey everyone!
>>
>> I am trying to pass an ArrayBuffer from JS to C++, and when I debug the
>> "size" variable is 0.
>> I do not understand what I am doing wrong, ultimately my goal is to be
>> able to read and write the buffer, copy, etc.
>> Thank you!!
>>
>> var api = require('../src/public/api')
>> api.Method(new ArrayBuffer([1, 2, 3, 4]))
>>
>> void Method(const v8::FunctionCallbackInfo<v8::Value> &args)
>> {
>> CHECK_ARGS(args, args[0]->IsArrayBuffer());
>> uint32_t size = args[0]->Uint32Value();
>> }
>>
>>
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>>
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Jonathan Doster 909.839.3432 jbdos...@gmail.com Please disregard any
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