async function getRakeTasks()

in task-provider-sample/src/rakeTaskProvider.ts [102:163]
61 lines of code
18 McCabe index (conditional complexity)

async function getRakeTasks(): Promise<vscode.Task[]> {
	const workspaceFolders = vscode.workspace.workspaceFolders;
	const result: vscode.Task[] = [];
	if (!workspaceFolders || workspaceFolders.length === 0) {
		return result;
	}
	for (const workspaceFolder of workspaceFolders) {
		const folderString = workspaceFolder.uri.fsPath;
		if (!folderString) {
			continue;
		}
		const rakeFile = path.join(folderString, 'Rakefile');
		if (!await exists(rakeFile)) {
			continue;
		}

		const commandLine = 'rake -AT -f Rakefile';
		try {
			const { stdout, stderr } = await exec(commandLine, { cwd: folderString });
			if (stderr && stderr.length > 0) {
				getOutputChannel().appendLine(stderr);
				getOutputChannel().show(true);
			}
			if (stdout) {
				const lines = stdout.split(/\r{0,1}\n/);
				for (const line of lines) {
					if (line.length === 0) {
						continue;
					}
					const regExp = /rake\s(.*)#/;
					const matches = regExp.exec(line);
					if (matches && matches.length === 2) {
						const taskName = matches[1].trim();
						const kind: RakeTaskDefinition = {
							type: 'rake',
							task: taskName
						};
						const task = new vscode.Task(kind, workspaceFolder, taskName, 'rake', new vscode.ShellExecution(`rake ${taskName}`));
						result.push(task);
						const lowerCaseLine = line.toLowerCase();
						if (isBuildTask(lowerCaseLine)) {
							task.group = vscode.TaskGroup.Build;
						} else if (isTestTask(lowerCaseLine)) {
							task.group = vscode.TaskGroup.Test;
						}
					}
				}
			}
		} catch (err: any) {
			const channel = getOutputChannel();
			if (err.stderr) {
				channel.appendLine(err.stderr);
			}
			if (err.stdout) {
				channel.appendLine(err.stdout);
			}
			channel.appendLine('Auto detecting rake tasks failed.');
			channel.show(true);
		}
	}
	return result;
}