JavaScript ArrayBuffer.prototype.detached

function transferBufferToWorker(buffer) {
    // Simulate transferring the buffer to a worker
    return buffer;
    // This does not transfer the buffer in reality
}

const originalBuffer =
    new ArrayBuffer(10);
const transferredBuffer =
    transferBufferToWorker(originalBuffer);

// Property check to determine 
// if the buffer has been detached
if (transferredBuffer.byteLength === 0) {
    console.log("The buffer has been transferred and is detached.");
} else {
    console.log("The buffer remains in the current context.");
}

function transferBufferToWorker(buffer) {
    // Simulate transferring the buffer to a worker
    return buffer;
    // This does not transfer the buffer in reality
}

// Utility function to check if the buffer is detached
function isBufferDetached(buffer) {
    try {
        // Attempt to create a new view on the buffer
        new Uint8Array(buffer);
        // Buffer is not detached
        return false;
    } catch (error) {
        // Buffer is detached
        return true;
    }
}

const originalBuffer = new ArrayBuffer(10);
const transferredBuffer = transferBufferToWorker(originalBuffer);

// Check if the buffer is detached 
// using the utility function
if (isBufferDetached(transferredBuffer)) {
    console.log("The buffer has been transferred and is detached.");
} else {
    console.log("The buffer remains in the current context.");
}