Class InteractiveRefactors

src/shared/vscode/interactive_refactors.ts:13–157

 * the newer "Interactive Forms" controlled by interactiveResolve capabilities.
 */
export class InteractiveRefactors implements IAmDisposable {
	static readonly commandName = "_dart.interactiveRefactor";

	private disposables: IAmDisposable[] = [];

	constructor(private readonly logger: Logger, client: LanguageClient) {
		this.disposables.push(commands.registerCommand(InteractiveRefactors.commandName, this.handleRefactor.bind(this)));
		this.addMiddleware(client);
	}

	public get feature(): StaticFeature {
		return {
			clear() { },
			fillClientCapabilities(capabilities: ClientCapabilities) {
				capabilities.experimental ??= {};
				capabilities.experimental.dartCodeAction ??= {};
				capabilities.experimental.dartCodeAction.commandParameterSupport = {
					supportedKinds: Object.values(SupportedParameterKind),
				};
			},
			getState(): FeatureState {
				return { kind: "static" };
			},
			initialize() { },
		};
	}

	/// Rewrites any commands in `actions` that are interactive refactors to go through
	/// our own local command that can prompt the user before calling the server.
	public rewriteCommands(actions: Array<Command | CodeAction>) {
		for (const action of actions) {
			if (!("kind" in action))
				continue;

			const command = action.command;
			if (!command || !("command" in command))
				continue;

			if (!action.kind || !CodeActionKind.Refactor.contains(action.kind))
				continue;

			const originalCommandName = command.command;
			const argObject = this.getCommandArgumentObject(command.arguments);
			if (!argObject)
				continue;

			const parameters = this.getCommandParameters(action, argObject);
			if (!parameters)
				continue;

			command.command = InteractiveRefactors.commandName;
			command.arguments = [originalCommandName, parameters, argObject];
		}
	}

	private addMiddleware(client: LanguageClient) {
		const middleware = client.clientOptions.middleware ??= {};
		const previousProvideCodeActions = middleware.provideCodeActions;