1 | var async = require('async')
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2 | var inquirer = require('inquirer')
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3 | var evaluate = require('./eval')
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4 |
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5 |
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6 | var promptMapping = {
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7 | string: 'input',
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8 | boolean: 'confirm'
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9 | }
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18 |
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19 | module.exports = function ask (prompts, data, done) {
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20 |
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21 | async.eachSeries(Object.keys(prompts), function (key, next) {
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22 |
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23 | prompt(data, key, prompts[key], next)
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24 | }, done)
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25 | }
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35 |
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36 | function prompt (data, key, prompt, done) {
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37 |
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38 |
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39 | if (prompt.when && !evaluate(prompt.when, data)) {
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40 | return done()
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41 | }
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42 |
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43 | var promptDefault = prompt.default
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44 | if (typeof prompt.default === 'function') {
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45 | promptDefault = function () {
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46 | return prompt.default.bind(this)(data)
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47 | }
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48 | }
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49 |
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50 | inquirer.prompt([{
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51 | type: promptMapping[prompt.type] || prompt.type,
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52 | name: key,
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53 | message: prompt.message || prompt.label || key,
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54 | default: promptDefault,
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55 | choices: prompt.choices || [],
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56 | validate: prompt.validate || function () { return true }
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57 | }]).then( function (answers) {
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58 | if (Array.isArray(answers[key])) {
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59 | data[key] = {}
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60 | answers[key].forEach(function (multiChoiceAnswer) {
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61 | data[key][multiChoiceAnswer] = true
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62 | })
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63 | } else {
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64 | data[key] = answers[key]
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65 | }
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66 | done()
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67 | })
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68 | }
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