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infinite interactivity with Inquirer and RxJS's Subject
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| // run with `node infinite.js` in node v4.x+ | |
| // must have Inquirer installed (`npm install inquirer`) | |
| const inquirer = require('inquirer'); | |
| const Rx = require('rx'); | |
| const prompts = new Rx.Subject(); | |
| function makePrompt(msg, i) { | |
| return { | |
| type: 'input', | |
| name: `userInput-${i}`, | |
| message: `${msg || 'Say something to start chatting!'}\n\n`, | |
| }; | |
| } | |
| let i = 0; | |
| inquirer.prompt(prompts).ui.process.subscribe(({ answer }) => { | |
| if (answer !== '') { | |
| i += 1; | |
| prompts.onNext(makePrompt(`This is prompt #${i}.`, i)); | |
| } else { | |
| prompts.onCompleted(); | |
| } | |
| }, (err) => { | |
| console.warn(err); | |
| }, () => { | |
| console.log('Interactive session is complete. Good bye! 👋\n'); | |
| }); | |
| prompts.onNext(makePrompt()); |
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