| 1 | 'use strict';
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| 2 |
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| 3 | var extend = require('extend-shallow');
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| 4 |
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| 5 | module.exports = function(app, options, cb) {
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| 6 | var opts = extend({}, options);
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| 7 | var inquirer = require('inquirer');
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| 8 | inquirer.registerPrompt('autocomplete', require('inquirer-autocomplete-prompt'));
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| 9 |
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| 10 | var question = {
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| 11 | name: 'tasks',
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| 12 | type: 'autocomplete',
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| 13 | message: opts.message,
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| 14 | source: listTasks(opts)
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| 15 | };
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| 16 |
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| 17 | return inquirer.prompt([question])
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| 18 | .then(function(answers) {
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| 19 | return answers && answers.tasks;
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| 20 | });
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| 21 | };
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| 22 |
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| 23 | function listTasks(options) {
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| 24 | return function(answers, str) {
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| 25 | return new Promise(function(resolve) {
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| 26 | resolve(options.choices.filter(filter(str, options)));
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| 27 | });
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| 28 | };
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| 29 | }
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| 30 |
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| 31 | function filter(str, options) {
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| 32 | return function(choice, choices) {
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| 33 | if (typeof options.filter === 'function') {
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| 34 | return options.filter(str, choice, choices);
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| 35 | }
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| 36 | return new RegExp(str, 'i').test(choice.name[0]);
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| 37 | };
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| 38 | }
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