azuredatastudio/extensions/notebook/src/prompts/list.ts

// This code is originally from https://github.com/DonJayamanne/bowerVSCode
// License: https://github.com/DonJayamanne/bowerVSCode/blob/master/LICENSE

import { window } from 'vscode';
import Prompt from './prompt';
import EscapeException from './escapeException';

export default class ListPrompt extends Prompt {

	constructor(question: any, ignoreFocusOut?: boolean) {
		super(question, ignoreFocusOut);
	}

	public render(): any {
		const choices = this._question.choices.reduce((result: any, choice: any) => {
			result[choice.name] = choice.value;
			return result;
		}, {});

		let options = this.defaultQuickPickOptions;
		options.placeHolder = this._question.message;

		return window.showQuickPick(Object.keys(choices), options)
			.then(result => {
				if (result === undefined) {
					throw new EscapeException();
				}

				return choices[result];
			});
	}
}