echo-int32array-rust-electron's Introduction

Int32Array is not transfered correctly in electron

This problem is fixed in Napi-rs

The following is shown:

Int32Array is transfered correctly in the async case in node environment (18.12.1)
Int32Array is transfered incorrectly in the async case (only first element) in case of electron (23.2.0)
The synchronous case works in boths environments
Tested on M1 Macbook

How to install/use

With yarn 3.5:

cd echo-int32array
yarn install
yarn build

cd echo-int32array-electron
yarn install
yarn start

Running with node

in echo-int32array-electron:

node test.js

The output is the same as the input

Running with electron

The test code is in runEchoInt32ArrayAsync in index.js

Just start electron in echo-int32array-electron directory:

yarn start

The output of the index.js will be:

Echoint32Array result [                                                                                                                                                                                                                         
  Int32Array(4) [ 1, 2, 3, 4 ],
  Int32Array(4) [ 10, 20, 30, 40 ],      
  Int32Array(4) [ 100, 200, 300, 400 ],
  Int32Array(4) [ 1000000, 2000000, 3000000, 400000 ]                                                                                             ] 
  
Echoint32ArrayAsync result [                                                                                                                        Int32Array(4) [ 1, 0, 0, 0 ],                                                                                                                    Int32Array(4) [ 10, 0, 0, 0 ],                                                                                                                   Int32Array(4) [ 100, 0, 0, 0 ],                                                                                                                  Int32Array(4) [ 1000000, 0, 0, 0 ]                                                                                                             ]

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