Microsoft/ChakraCore

ChakraCore is the core part of the Chakra Javascript engine that powers Microsoft Edge

Richard

@rhuanjl

Without seeing more of your code I can't know what's wrong, JsGetOwnPropertyNames on its own will not create an array so I'm not sure what you're doing exactly

zeroswan

@weditor

@rhuanjl I just realized I made a mistake. I thought the length property was a function, so i use JsCallFunction(length, {myArray}, &result) after get the length property，and i have't check if it was failed! what a fool.

Richard

@rhuanjl

Ah... the length property on an array is specified like a getter method but once accessed the result is just an int and indeed not callable - you need to use the JsGetProperty API on the array you actually want the length of not on something else

Иван Сердюк

@oceanfish81_twitter

Hi there

I wonder who is maintaining Webassembly runtime implementation

I have some technical questions

Tibor Tóth

@tibitoth

Hi Guys, Is there any documentation about how to run ChakraCore on Raspberry Pi 3? I did not find anything.

Richard

@rhuanjl

Hi @tibitoth I don't think running on Raspberry Pi is officially supported; however it should be possible with a bit of effort, there was an issue discussing it here microsoft/ChakraCore#2262

Michael Holman

@MikeHolman

@oceanfish81_twitter I wrote a lot of our wasm implementation, so I should be able to answer your questions

Иван Сердюк

@oceanfish81_twitter

Is is possible to configure https://docs.microsoft.com/en-us/microsoft-edge/dev-guide/realtime-communication/object-rtc-api , for streaming video into https://github.com/SciSharp/SharpCV instance ?

Goutam

@goutamdh

hi I want to use webusb api for pan drive . Can anyone explain me

How to use ?

Иван Сердюк

@oceanfish81_twitter

hi I want to use webusb api for pan drive . Can anyone explain me

I had the same question, but for Logitech C100 web cam

Goutam

@goutamdh

@oceanfish81_twitter did you figureout

Theoyuandawang

@theoyuandawang

hello

does anyone know why i have failed when i want to build ChakraCore

Prompt me "chakra.runtime.debug.lib is not a valid win32 application "

please help me if you know how to solve it , i will thank you forever

the build type is debug x64

Jaime Bernardo

@jaimecbernardo

Looks like you're trying to run a library instead of an application. Don't know the details of the build project, but you need to have an application use the library in order to use ChakraCore. There might be a test application in the project that does this, not sure.

Theoyuandawang

@theoyuandawang

thank you for your answer

i just want to build a independent ch.exe ，not for a project

i don't change the original build file

just follow the doc's words about windows building

Theoyuandawang

@theoyuandawang

sorry about wasting your time , it's my problem , i forget to add my working director.。

my bad

Иван Сердюк

@oceanfish81_twitter

@oceanfish81_twitter did you figureout

@goutamdh , on sure where to start. I thought that it makes sense to reproduce something from http://qce-ga.sourceforge.net/ , https://www.linuxtv.org/wiki/index.php/Webcam_devices , https://help.ubuntu.com/community/UVC and http://www.ideasonboard.org/uvc/

CatCatCatDog

@CatCatCatDog

Hi, How could i ChakraCore build without static library?

I'm trying build in Linux system.

libChakraCoreStatic.a file is too big.

Riku

@Riku32

Having a problem where this segfaults completely and I cannot figure out what is going out that causes it to happen. It happens on JsObjectSetProperty

    void Object::SetFunctionProperty(const char* key, JsNativeFunction callback) {
        JsPropertyIdRef keyID;
        if (JsCreatePropertyId(key, strlen(key) - 1, &keyID) != JsNoError)
            throw JSRuntimeException();

        JsValueRef function;
        JsCreateFunction(callback, nullptr, &function);

        JsObjectSetProperty(this->jsObject, keyID, function, true);
    }

Richard

@rhuanjl

@CatCatCatDog the build.sh script should build both a shared object .so AND a static .a - I think there's a flag to skip the static though can't find it at the moment, maybe could work by using cmake directly

@Riku32 I answered at some length on discord but not sure if you saw it?

Riku

@Riku32

I figured out the

I saw it but what is the use of JsObjectSetProperty vs JsSetProperty and when to use one or the other

Ragnar Rova

@rrva

if I have a variable pointing to an object, lets say the variable is called 'Item', and I can access 'Item.name' which is a string, why does JSON.stringify(Item) return {} ? Is it because Item has a lot of inherited properties? How can I dump all properties, including the inherited ones?

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