151 lines
		
	
	
		
			5.3 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
			
		
		
	
	
			151 lines
		
	
	
		
			5.3 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
| 'use strict';
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| 
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| function _objectSpread(target) { for (var i = 1; i < arguments.length; i++) { var source = arguments[i] != null ? arguments[i] : {}; var ownKeys = Object.keys(source); if (typeof Object.getOwnPropertySymbols === 'function') { ownKeys = ownKeys.concat(Object.getOwnPropertySymbols(source).filter(function (sym) { return Object.getOwnPropertyDescriptor(source, sym).enumerable; })); } ownKeys.forEach(function (key) { _defineProperty(target, key, source[key]); }); } return target; }
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| 
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| function _defineProperty(obj, key, value) { if (key in obj) { Object.defineProperty(obj, key, { value: value, enumerable: true, configurable: true, writable: true }); } else { obj[key] = value; } return obj; }
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| 
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| function asyncGeneratorStep(gen, resolve, reject, _next, _throw, key, arg) { try { var info = gen[key](arg); var value = info.value; } catch (error) { reject(error); return; } if (info.done) { resolve(value); } else { Promise.resolve(value).then(_next, _throw); } }
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| 
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| function _asyncToGenerator(fn) { return function () { var self = this, args = arguments; return new Promise(function (resolve, reject) { var gen = fn.apply(self, args); function _next(value) { asyncGeneratorStep(gen, resolve, reject, _next, _throw, "next", value); } function _throw(err) { asyncGeneratorStep(gen, resolve, reject, _next, _throw, "throw", err); } _next(undefined); }); }; }
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| 
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| const prompts = require('./prompts');
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| 
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| const passOn = ['suggest', 'format', 'onState', 'validate', 'onRender'];
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| 
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| const noop = () => {};
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| /**
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|  * Prompt for a series of questions
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|  * @param {Array|Object} questions Single question object or Array of question objects
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|  * @param {Function} [onSubmit] Callback function called on prompt submit
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|  * @param {Function} [onCancel] Callback function called on cancel/abort
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|  * @returns {Object} Object with values from user input
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|  */
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| 
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| 
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| function prompt() {
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|   return _prompt.apply(this, arguments);
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| }
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| 
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| function _prompt() {
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|   _prompt = _asyncToGenerator(function* (questions = [], {
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|     onSubmit = noop,
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|     onCancel = noop
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|   } = {}) {
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|     const answers = {};
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|     const override = prompt._override || {};
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|     questions = [].concat(questions);
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|     let answer, question, quit, name, type;
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| 
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|     const getFormattedAnswer =
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|     /*#__PURE__*/
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|     function () {
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|       var _ref = _asyncToGenerator(function* (question, answer, skipValidation = false) {
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|         if (!skipValidation && question.validate && question.validate(answer) !== true) {
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|           return;
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|         }
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| 
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|         return question.format ? yield question.format(answer, answers) : answer;
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|       });
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| 
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|       return function getFormattedAnswer(_x, _x2) {
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|         return _ref.apply(this, arguments);
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|       };
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|     }();
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| 
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|     var _iteratorNormalCompletion = true;
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|     var _didIteratorError = false;
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|     var _iteratorError = undefined;
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| 
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|     try {
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|       for (var _iterator = questions[Symbol.iterator](), _step; !(_iteratorNormalCompletion = (_step = _iterator.next()).done); _iteratorNormalCompletion = true) {
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|         question = _step.value;
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|         var _question = question;
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|         name = _question.name;
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|         type = _question.type;
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| 
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|         // if property is a function, invoke it unless it's a special function
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|         for (let key in question) {
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|           if (passOn.includes(key)) continue;
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|           let value = question[key];
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|           question[key] = typeof value === 'function' ? yield value(answer, _objectSpread({}, answers), question) : value;
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|         }
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| 
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|         if (typeof question.message !== 'string') {
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|           throw new Error('prompt message is required');
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|         } // update vars in case they changed
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| 
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| 
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|         var _question2 = question;
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|         name = _question2.name;
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|         type = _question2.type;
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|         // skip if type is a falsy value
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|         if (!type) continue;
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| 
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|         if (prompts[type] === void 0) {
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|           throw new Error(`prompt type (${type}) is not defined`);
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|         }
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| 
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|         if (override[question.name] !== undefined) {
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|           answer = yield getFormattedAnswer(question, override[question.name]);
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| 
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|           if (answer !== undefined) {
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|             answers[name] = answer;
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|             continue;
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|           }
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|         }
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| 
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|         try {
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|           // Get the injected answer if there is one or prompt the user
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|           answer = prompt._injected ? getInjectedAnswer(prompt._injected) : yield prompts[type](question);
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|           answers[name] = answer = yield getFormattedAnswer(question, answer, true);
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|           quit = yield onSubmit(question, answer, answers);
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|         } catch (err) {
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|           quit = !(yield onCancel(question, answers));
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|         }
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| 
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|         if (quit) return answers;
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|       }
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|     } catch (err) {
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|       _didIteratorError = true;
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|       _iteratorError = err;
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|     } finally {
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|       try {
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|         if (!_iteratorNormalCompletion && _iterator.return != null) {
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|           _iterator.return();
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|         }
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|       } finally {
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|         if (_didIteratorError) {
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|           throw _iteratorError;
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|         }
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|       }
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|     }
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| 
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|     return answers;
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|   });
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|   return _prompt.apply(this, arguments);
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| }
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| 
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| function getInjectedAnswer(injected) {
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|   const answer = injected.shift();
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| 
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|   if (answer instanceof Error) {
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|     throw answer;
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|   }
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| 
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|   return answer;
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| }
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| 
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| function inject(answers) {
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|   prompt._injected = (prompt._injected || []).concat(answers);
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| }
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| 
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| function override(answers) {
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|   prompt._override = Object.assign({}, answers);
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| }
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| 
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| module.exports = Object.assign(prompt, {
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|   prompt,
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|   prompts,
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|   inject,
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|   override
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| }); |