Method handler

src/kernels/kernelExecution.ts:114–130

(_: unknown, msg: IMessage)

        }
        this.hookedSesions.add(session);
        const handler = (_: unknown, msg: IMessage) => {
            if (msg.header.msg_type !== 'update_display_data' && msg.header.msg_type !== 'display_data') {
                return;
            }
            const iopubMsg = msg as KernelMessage.IUpdateDisplayDataMsg | KernelMessage.IDisplayDataMsg;
            const displayId = iopubMsg.content.transient?.display_id;
            if (!displayId || !isDisplayIdTrackedForAnExtension(session, displayId)) {
                return;
            }
            const newOutput = cellOutputToVSCCellOutput({
                output_type: 'display_data',
                data: iopubMsg.content.data,
                metadata: iopubMsg.content.metadata,
                transient: iopubMsg.content.transient
            } as nbformat.IDisplayData);
            this._onDidReceiveDisplayUpdate.fire(newOutput);
        };
        session.iopubMessage.connect(handler);
        this.disposables.push({
            dispose: () => {