149 lines
3.7 KiB
TypeScript
149 lines
3.7 KiB
TypeScript
import * as plugins from './smartinteract.plugins'
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import * as q from 'q'
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import { Objectmap } from 'lik'
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export type questionType = 'input' | 'confirm' | 'list' | 'rawlist' | 'expand' | 'checkbox' | 'password' | 'editor'
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export interface IChoiceObject {
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name: string
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value: any
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}
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export interface IQuestionObject {
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name: string
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type: questionType
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message: string
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default: any
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choices?: string[] | IChoiceObject[]
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validate?: IValidateFunction
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}
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export interface IAnswerObject {
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name: string,
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value: any
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}
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export interface IValidateFunction {
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(anyObject: any): boolean
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}
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/**
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* class SmartInteract - allows to specify an user interaction during runtime
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*/
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export class SmartInteract {
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/**
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* holds the qestion queue, that is emptied once you call
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*/
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private questionMap = new Objectmap<IQuestionObject>()
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/**
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* constructor of class SmartInteract
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*/
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constructor(questionArrayArg?: IQuestionObject[]) {
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if (questionArrayArg) {
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this.addQuestions(questionArrayArg)
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}
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}
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/**
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* allows you to ask a single question and returns the answer in a promise
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* skips the queue
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*/
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askQuestion(optionsArg: IQuestionObject): q.Promise<IAnswerObject> {
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let done = q.defer<IAnswerObject>()
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if (this.isValidEnv()) {
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plugins.inquirer.prompt([{
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name: optionsArg.name,
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type: optionsArg.type,
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message: optionsArg.message,
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default: optionsArg.default,
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choices: optionsArg.choices,
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validate: optionsArg.validate
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}]).then((answers: IAnswerObject[]) => {
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done.resolve({
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name: optionsArg.name,
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value: answers[optionsArg.name]
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})
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})
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} else {
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let answer: IAnswerObject = {
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name: optionsArg.name,
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value: optionsArg.default
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}
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done.resolve(answer)
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}
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return done.promise
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}
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/**
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* add questions to queue
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*/
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addQuestions(questionArrayArg: IQuestionObject[]) {
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this.questionMap.addArray(questionArrayArg)
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}
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/**
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* run the question queue
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*/
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runQueue() {
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let done = q.defer<AnswerBucket>()
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let answerBucket = new AnswerBucket()
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let handleQuestion = () => {
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let oneQuestion = this.questionMap.getOneAndRemove()
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this.askQuestion(oneQuestion).then((answerArg: IAnswerObject) => {
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answerBucket.addAnswer(answerArg)
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if (!this.questionMap.isEmpty()) {
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handleQuestion() // recursion: as questions until empty
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} else {
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done.resolve(answerBucket) // when empty, then resolve promise
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}
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})
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}
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handleQuestion()
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return done.promise
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}
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/**
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* checks if the current env is valid for userinput
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*/
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private isValidEnv(): boolean {
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if (!process.env.CI) {
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return true
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} else {
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return false
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}
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}
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}
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/**
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* class AnswerBucket holds answers
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*/
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export class AnswerBucket {
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answerMap = new Objectmap<IAnswerObject>()
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/**
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* add an answer to the bucket
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*/
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addAnswer(answerArg: IAnswerObject) {
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this.answerMap.add(answerArg)
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}
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/**
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* gets an answer for a specific name
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*/
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getAnswerFor(nameArg: string) {
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let answer = this.answerMap.find(answerArg => {
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return answerArg.name === nameArg
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})
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return answer.value
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}
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/**
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* gets all answers as array
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*/
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getAllAnswers() {
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return this.answerMap.getArray()
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}
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}
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