mirror of
https://github.com/shivammathur/setup-php.git
synced 2024-11-23 12:21:07 +07:00
265 lines
7.5 KiB
JavaScript
265 lines
7.5 KiB
JavaScript
'use strict';
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const color = require('kleur');
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const Prompt = require('./prompt');
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const { erase, cursor } = require('sisteransi');
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const { style, clear, wrap } = require('../util');
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const getVal = (arr, i) => arr[i] && (arr[i].value || arr[i].title || arr[i]);
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const getTitle = (arr, i) => arr[i] && (arr[i].title || arr[i].value || arr[i]);
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const getIndex = (arr, valOrTitle) => {
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const index = arr.findIndex(el => el.value === valOrTitle || el.title === valOrTitle);
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return index > -1 ? index : undefined;
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};
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/**
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* TextPrompt Base Element
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* @param {Object} opts Options
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* @param {String} opts.message Message
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* @param {Array} opts.choices Array of auto-complete choices objects
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* @param {Function} [opts.suggest] Filter function. Defaults to sort by title
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* @param {Number} [opts.limit=10] Max number of results to show
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* @param {Number} [opts.cursor=0] Cursor start position
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* @param {String} [opts.style='default'] Render style
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* @param {String} [opts.fallback] Fallback message - initial to default value
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* @param {String} [opts.initial] Index of the default value
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* @param {Stream} [opts.stdin] The Readable stream to listen to
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* @param {Stream} [opts.stdout] The Writable stream to write readline data to
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* @param {String} [opts.noMatches] The no matches found label
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*/
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class AutocompletePrompt extends Prompt {
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constructor(opts={}) {
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super(opts);
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this.msg = opts.message;
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this.suggest = opts.suggest;
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this.choices = opts.choices;
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this.initial = typeof opts.initial === 'number'
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? opts.initial
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: getIndex(opts.choices, opts.initial);
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this.select = this.initial || opts.cursor || 0;
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this.i18n = { noMatches: opts.noMatches || 'no matches found' };
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this.fallback = opts.fallback || this.initial;
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this.suggestions = [[]];
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this.page = 0;
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this.input = '';
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this.limit = opts.limit || 10;
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this.cursor = 0;
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this.transform = style.render(opts.style);
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this.scale = this.transform.scale;
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this.render = this.render.bind(this);
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this.complete = this.complete.bind(this);
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this.clear = clear('');
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this.complete(this.render);
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this.render();
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}
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set fallback(fb) {
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this._fb = Number.isSafeInteger(parseInt(fb)) ? parseInt(fb) : fb;
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}
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get fallback() {
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let choice;
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if (typeof this._fb === 'number')
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choice = this.choices[this._fb];
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else if (typeof this._fb === 'string')
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choice = { title: this._fb };
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return choice || this._fb || { title: this.i18n.noMatches };
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}
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moveSelect(i) {
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this.select = i;
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if (this.suggestions[this.page].length > 0)
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this.value = getVal(this.suggestions[this.page], i);
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else this.value = this.fallback.value;
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this.fire();
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}
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async complete(cb) {
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const p = (this.completing = this.suggest(this.input, this.choices));
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const suggestions = await p;
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if (this.completing !== p) return;
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this.suggestions = suggestions
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.map((s, i, arr) => ({ title: getTitle(arr, i), value: getVal(arr, i), description: s.description }))
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.reduce((arr, sug) => {
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if (arr[arr.length - 1].length < this.limit)
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arr[arr.length - 1].push(sug);
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else arr.push([sug]);
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return arr;
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}, [[]]);
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this.completing = false;
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if (!this.suggestions[this.page])
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this.page = 0;
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// if (!this.suggestions.length && this.fallback) {
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// const index = getIndex(this.choices, this.fallback);
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// this.suggestions = [[]];
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// if (index !== undefined)
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// this.suggestions[0].push({ title: getTitle(this.choices, index), value: getVal(this.choices, index) });
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// this.isFallback = true;
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// }
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const l = Math.max(suggestions.length - 1, 0);
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this.moveSelect(Math.min(l, this.select));
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cb && cb();
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}
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reset() {
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this.input = '';
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this.complete(() => {
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this.moveSelect(this.initial !== void 0 ? this.initial : 0);
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this.render();
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});
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this.render();
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}
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abort() {
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this.done = this.aborted = true;
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this.fire();
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this.render();
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this.out.write('\n');
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this.close();
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}
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submit() {
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this.done = true;
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this.aborted = false;
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this.fire();
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this.render();
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this.out.write('\n');
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this.close();
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}
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_(c, key) { // TODO on ctrl+# go to page #
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let s1 = this.input.slice(0, this.cursor);
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let s2 = this.input.slice(this.cursor);
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this.input = `${s1}${c}${s2}`;
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this.cursor = s1.length+1;
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this.complete(this.render);
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this.render();
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}
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delete() {
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if (this.cursor === 0) return this.bell();
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let s1 = this.input.slice(0, this.cursor-1);
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let s2 = this.input.slice(this.cursor);
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this.input = `${s1}${s2}`;
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this.complete(this.render);
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this.cursor = this.cursor-1;
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this.render();
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}
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deleteForward() {
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if(this.cursor*this.scale >= this.rendered.length) return this.bell();
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let s1 = this.input.slice(0, this.cursor);
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let s2 = this.input.slice(this.cursor+1);
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this.input = `${s1}${s2}`;
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this.complete(this.render);
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this.render();
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}
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first() {
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this.moveSelect(0);
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this.render();
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}
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last() {
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this.moveSelect(this.suggestions[this.page].length - 1);
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this.render();
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}
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up() {
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if (this.select <= 0) return this.bell();
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this.moveSelect(this.select - 1);
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this.render();
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}
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down() {
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if (this.select >= this.suggestions[this.page].length - 1) return this.bell();
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this.moveSelect(this.select + 1);
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this.render();
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}
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next() {
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if (this.select === this.suggestions[this.page].length - 1) {
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this.page = (this.page + 1) % this.suggestions.length;
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this.moveSelect(0);
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} else this.moveSelect(this.select + 1);
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this.render();
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}
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nextPage() {
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if (this.page >= this.suggestions.length - 1)
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return this.bell();
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this.page++;
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this.moveSelect(0);
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this.render();
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}
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prevPage() {
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if (this.page <= 0)
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return this.bell();
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this.page--;
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this.moveSelect(0);
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this.render();
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}
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left() {
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if (this.cursor <= 0) return this.bell();
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this.cursor = this.cursor-1;
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this.render();
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}
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right() {
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if (this.cursor*this.scale >= this.rendered.length) return this.bell();
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this.cursor = this.cursor+1;
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this.render();
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}
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renderOption(v, hovered) {
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let desc, title = v.title;
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if (hovered) {
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title = color.cyan(v.title);
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if (v.description) {
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desc = ` - ${v.description}`;
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if (title.length + desc.length >= this.out.columns
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|| v.description.split(/\r?\n/).length > 1) {
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desc = '\n' + wrap(v.description, { width: this.out.columns })
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}
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}
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}
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return title + color.gray(desc || '');
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}
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render() {
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if (this.closed) return;
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if (!this.firstRender) this.out.write(clear(this.outputText));
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super.render();
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this.outputText = [
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color.bold(style.symbol(this.done, this.aborted)),
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color.bold(this.msg),
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style.delimiter(this.completing),
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this.done && this.suggestions[this.page][this.select]
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? this.suggestions[this.page][this.select].title
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: this.rendered = this.transform.render(this.input)
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].join(' ');
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if (!this.done) {
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const suggestions = this.suggestions[this.page]
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.map((item, i) => this.renderOption(item, this.select === i))
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.join('\n');
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this.outputText += `\n` + (suggestions || color.gray(this.fallback.title));
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if (this.suggestions[this.page].length > 1) {
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this.outputText += color.blue(`\nPage ${this.page+1}/${this.suggestions.length}`);
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}
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}
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this.out.write(erase.line + cursor.to(0) + this.outputText);
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}
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}
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module.exports = AutocompletePrompt;
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