Method registerKernelFinder

src/kernels/kernelFinder.ts:52–85

(finder: IContributedKernelFinder<KernelConnectionMetadata>)

    }

    public registerKernelFinder(finder: IContributedKernelFinder<KernelConnectionMetadata>): IDisposable {
        this._finders.push(finder);
        const updateStatus = () => {
            // If all finders are idle, then we are idle.
            this.status = this._finders.every((f) => f.status === 'idle') ? 'idle' : 'discovering';
        };

        updateStatus();
        const disposables = this._register(new DisposableStore());

        const disposeKernel = () => {
            const removeIndex = this._finders.findIndex((listFinder) => listFinder === finder);
            if (removeIndex >= 0) {
                this._finders.splice(removeIndex, 1);
            }
            disposables.dispose();
            updateStatus();

            // Notify that kernels have changed
            this._onDidChangeKernels.fire();
            this._onDidChangeRegistrations.fire({ added: [], removed: [finder] });
        };

        disposables.add(finder.onDidChangeStatus(updateStatus, this));
        disposables.add(finder.onDidChangeKernels(() => this._onDidChangeKernels.fire()));
        disposables.add(finder.onDidDispose(() => disposeKernel()));

        // Registering a new kernel finder should notify of possible kernel changes
        this._onDidChangeKernels.fire();
        this._onDidChangeRegistrations.fire({ added: [finder], removed: [] });

        // Register a disposable so kernel finders can remove themselves from the list if they are disposed
        return new Disposable(() => disposeKernel());
    }

    public get kernels(): KernelConnectionMetadata[] {
        const kernels: KernelConnectionMetadata[] = [];