Method start

src/extension/sdk/dev_tools/manager.ts:175–207

(silent = false)

	}

	public async start(silent = false): Promise<string | undefined> {

		if (!this.devtoolsUrl) {
			this.setNotStartedStatusBar();

			// Ignore silent flag if we're using a custom DevTools, because it could
			// take much longer to start and won't be obvious why launching isn't working.
			const isCustomDevTools = !!config.customDevTools?.path;
			const startingTitle = isCustomDevTools ? "Starting Custom Dart DevTools…" : "Starting Dart DevTools…";
			if (silent && !isCustomDevTools) {
				this.devtoolsUrl = this.startServer();
			} else {
				this.devtoolsUrl = Promise.resolve(vs.window.withProgress({
					location: vs.ProgressLocation.Notification,
					title: startingTitle,
				}, async () => this.startServer()));
			}

			// Allow us to override the URL for DevTools as a simple hack for running from a
			// dev version without having to have the SDK set up.
			if (config.customDevToolsUri)
				this.devtoolsUrl = Promise.resolve(config.customDevToolsUri);

			// Trigger a reload of any existing embedded windows.
			this.reloadEmbeddedViews();
		}

		const url = await this.devtoolsUrl;

		this.setStartedStatusBar(url);

		return url;
	}

	public getDevToolsLocation(pageId: string | undefined | null): DevToolsLocation {
		if (pageId === null)