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222 lines
8.6 KiB
222 lines
8.6 KiB
2 years ago
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'use strict';
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const $ = exports;
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const el = require('./elements');
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const noop = v => v;
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function toPrompt(type, args, opts = {}) {
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return new Promise((res, rej) => {
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const p = new el[type](args);
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const onAbort = opts.onAbort || noop;
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const onSubmit = opts.onSubmit || noop;
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const onExit = opts.onExit || noop;
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p.on('state', args.onState || noop);
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p.on('submit', x => res(onSubmit(x)));
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p.on('exit', x => res(onExit(x)));
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p.on('abort', x => rej(onAbort(x)));
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});
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}
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/**
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* Text prompt
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* @param {string} args.message Prompt message to display
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* @param {string} [args.initial] Default string value
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* @param {string} [args.style="default"] Render style ('default', 'password', 'invisible')
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* @param {function} [args.onState] On state change callback
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* @param {function} [args.validate] Function to validate user input
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* @param {Stream} [args.stdin] The Readable stream to listen to
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* @param {Stream} [args.stdout] The Writable stream to write readline data to
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* @returns {Promise} Promise with user input
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*/
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$.text = args => toPrompt('TextPrompt', args);
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/**
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* Password prompt with masked input
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* @param {string} args.message Prompt message to display
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* @param {string} [args.initial] Default string value
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* @param {function} [args.onState] On state change callback
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* @param {function} [args.validate] Function to validate user input
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* @param {Stream} [args.stdin] The Readable stream to listen to
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* @param {Stream} [args.stdout] The Writable stream to write readline data to
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* @returns {Promise} Promise with user input
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*/
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$.password = args => {
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args.style = 'password';
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return $.text(args);
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};
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/**
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* Prompt where input is invisible, like sudo
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* @param {string} args.message Prompt message to display
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* @param {string} [args.initial] Default string value
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* @param {function} [args.onState] On state change callback
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* @param {function} [args.validate] Function to validate user input
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* @param {Stream} [args.stdin] The Readable stream to listen to
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* @param {Stream} [args.stdout] The Writable stream to write readline data to
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* @returns {Promise} Promise with user input
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*/
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$.invisible = args => {
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args.style = 'invisible';
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return $.text(args);
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};
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/**
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* Number prompt
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* @param {string} args.message Prompt message to display
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* @param {number} args.initial Default number value
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* @param {function} [args.onState] On state change callback
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* @param {number} [args.max] Max value
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* @param {number} [args.min] Min value
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* @param {string} [args.style="default"] Render style ('default', 'password', 'invisible')
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* @param {Boolean} [opts.float=false] Parse input as floats
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* @param {Number} [opts.round=2] Round floats to x decimals
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* @param {Number} [opts.increment=1] Number to increment by when using arrow-keys
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* @param {function} [args.validate] Function to validate user input
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* @param {Stream} [args.stdin] The Readable stream to listen to
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* @param {Stream} [args.stdout] The Writable stream to write readline data to
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* @returns {Promise} Promise with user input
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*/
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$.number = args => toPrompt('NumberPrompt', args);
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/**
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* Date prompt
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* @param {string} args.message Prompt message to display
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* @param {number} args.initial Default number value
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* @param {function} [args.onState] On state change callback
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* @param {number} [args.max] Max value
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* @param {number} [args.min] Min value
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* @param {string} [args.style="default"] Render style ('default', 'password', 'invisible')
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* @param {Boolean} [opts.float=false] Parse input as floats
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* @param {Number} [opts.round=2] Round floats to x decimals
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* @param {Number} [opts.increment=1] Number to increment by when using arrow-keys
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* @param {function} [args.validate] Function to validate user input
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* @param {Stream} [args.stdin] The Readable stream to listen to
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* @param {Stream} [args.stdout] The Writable stream to write readline data to
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* @returns {Promise} Promise with user input
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*/
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$.date = args => toPrompt('DatePrompt', args);
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/**
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* Classic yes/no prompt
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* @param {string} args.message Prompt message to display
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* @param {boolean} [args.initial=false] Default value
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* @param {function} [args.onState] On state change callback
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* @param {Stream} [args.stdin] The Readable stream to listen to
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* @param {Stream} [args.stdout] The Writable stream to write readline data to
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* @returns {Promise} Promise with user input
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*/
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$.confirm = args => toPrompt('ConfirmPrompt', args);
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/**
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* List prompt, split intput string by `seperator`
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* @param {string} args.message Prompt message to display
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* @param {string} [args.initial] Default string value
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* @param {string} [args.style="default"] Render style ('default', 'password', 'invisible')
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* @param {string} [args.separator] String separator
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* @param {function} [args.onState] On state change callback
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* @param {Stream} [args.stdin] The Readable stream to listen to
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* @param {Stream} [args.stdout] The Writable stream to write readline data to
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* @returns {Promise} Promise with user input, in form of an `Array`
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*/
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$.list = args => {
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const sep = args.separator || ',';
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return toPrompt('TextPrompt', args, {
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onSubmit: str => str.split(sep).map(s => s.trim())
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});
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};
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/**
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* Toggle/switch prompt
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* @param {string} args.message Prompt message to display
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* @param {boolean} [args.initial=false] Default value
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* @param {string} [args.active="on"] Text for `active` state
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* @param {string} [args.inactive="off"] Text for `inactive` state
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* @param {function} [args.onState] On state change callback
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* @param {Stream} [args.stdin] The Readable stream to listen to
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* @param {Stream} [args.stdout] The Writable stream to write readline data to
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* @returns {Promise} Promise with user input
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*/
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$.toggle = args => toPrompt('TogglePrompt', args);
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/**
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* Interactive select prompt
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* @param {string} args.message Prompt message to display
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* @param {Array} args.choices Array of choices objects `[{ title, value }, ...]`
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* @param {number} [args.initial] Index of default value
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* @param {String} [args.hint] Hint to display
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* @param {function} [args.onState] On state change callback
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* @param {Stream} [args.stdin] The Readable stream to listen to
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* @param {Stream} [args.stdout] The Writable stream to write readline data to
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* @returns {Promise} Promise with user input
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*/
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$.select = args => toPrompt('SelectPrompt', args);
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/**
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* Interactive multi-select / autocompleteMultiselect prompt
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* @param {string} args.message Prompt message to display
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* @param {Array} args.choices Array of choices objects `[{ title, value, [selected] }, ...]`
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* @param {number} [args.max] Max select
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* @param {string} [args.hint] Hint to display user
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* @param {Number} [args.cursor=0] Cursor start position
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* @param {function} [args.onState] On state change callback
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* @param {Stream} [args.stdin] The Readable stream to listen to
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* @param {Stream} [args.stdout] The Writable stream to write readline data to
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* @returns {Promise} Promise with user input
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*/
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$.multiselect = args => {
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args.choices = [].concat(args.choices || []);
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const toSelected = items => items.filter(item => item.selected).map(item => item.value);
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return toPrompt('MultiselectPrompt', args, {
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onAbort: toSelected,
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onSubmit: toSelected
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});
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};
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$.autocompleteMultiselect = args => {
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args.choices = [].concat(args.choices || []);
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const toSelected = items => items.filter(item => item.selected).map(item => item.value);
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return toPrompt('AutocompleteMultiselectPrompt', args, {
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onAbort: toSelected,
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onSubmit: toSelected
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});
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};
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const byTitle = (input, choices) => Promise.resolve(choices.filter(item => item.title.slice(0, input.length).toLowerCase() === input.toLowerCase()));
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/**
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* Interactive auto-complete prompt
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* @param {string} args.message Prompt message to display
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* @param {Array} args.choices Array of auto-complete choices objects `[{ title, value }, ...]`
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* @param {Function} [args.suggest] Function to filter results based on user input. Defaults to sort by `title`
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* @param {number} [args.limit=10] Max number of results to show
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* @param {string} [args.style="default"] Render style ('default', 'password', 'invisible')
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* @param {String} [args.initial] Index of the default value
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* @param {boolean} [opts.clearFirst] The first ESCAPE keypress will clear the input
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* @param {String} [args.fallback] Fallback message - defaults to initial value
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* @param {function} [args.onState] On state change callback
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* @param {Stream} [args.stdin] The Readable stream to listen to
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* @param {Stream} [args.stdout] The Writable stream to write readline data to
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* @returns {Promise} Promise with user input
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*/
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$.autocomplete = args => {
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args.suggest = args.suggest || byTitle;
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args.choices = [].concat(args.choices || []);
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return toPrompt('AutocompletePrompt', args);
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};
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