mirror of
https://github.com/actions/setup-python.git
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276 lines
No EOL
8.5 KiB
JavaScript
276 lines
No EOL
8.5 KiB
JavaScript
'use strict';
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function asyncGeneratorStep(gen, resolve, reject, _next, _throw, key, arg) { try { var info = gen[key](arg); var value = info.value; } catch (error) { reject(error); return; } if (info.done) { resolve(value); } else { Promise.resolve(value).then(_next, _throw); } }
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function _asyncToGenerator(fn) { return function () { var self = this, args = arguments; return new Promise(function (resolve, reject) { var gen = fn.apply(self, args); function _next(value) { asyncGeneratorStep(gen, resolve, reject, _next, _throw, "next", value); } function _throw(err) { asyncGeneratorStep(gen, resolve, reject, _next, _throw, "throw", err); } _next(undefined); }); }; }
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const color = require('kleur');
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const Prompt = require('./prompt');
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const _require = require('sisteransi'),
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cursor = _require.cursor;
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const _require2 = require('../util'),
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style = _require2.style,
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clear = _require2.clear,
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figures = _require2.figures,
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strip = _require2.strip;
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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' ? opts.initial : getIndex(opts.choices, opts.initial);
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this.select = this.initial || opts.cursor || 0;
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this.fallback = opts.fallback || (opts.initial !== undefined ? `${figures.pointerSmall} ${getTitle(this.choices, this.initial)}` : `${figures.pointerSmall} ${opts.noMatches || 'no matches found'}`);
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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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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 {
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this.value = this.initial !== undefined ? getVal(this.choices, this.initial) : null;
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}
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this.fire();
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}
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complete(cb) {
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var _this = this;
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return _asyncToGenerator(function* () {
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const p = _this.completing = _this.suggest(_this.input, _this.choices);
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const suggestions = yield p;
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if (_this.completing !== p) return;
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_this.suggestions = suggestions.map((s, i, arr) => ({
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title: getTitle(arr, i),
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value: getVal(arr, i)
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})).reduce((arr, sug) => {
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if (arr[arr.length - 1].length < _this.limit) arr[arr.length - 1].push(sug);else arr.push([sug]);
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return arr;
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}, [[]]);
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_this.isFallback = false;
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_this.completing = false;
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if (!_this.suggestions[_this.page]) _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) _this.suggestions[0].push({
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title: getTitle(_this.choices, index),
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value: getVal(_this.choices, index)
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});
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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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}
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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) {
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// 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) 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) 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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render() {
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if (this.closed) return;
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super.render();
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if (this.lineCount) this.out.write(cursor.down(this.lineCount));
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let prompt = color.bold(`${style.symbol(this.done, this.aborted)} ${this.msg} `) + `${style.delimiter(this.completing)} `;
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let length = strip(prompt).length;
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if (this.done && this.suggestions[this.page][this.select]) {
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prompt += `${this.suggestions[this.page][this.select].title}`;
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} else {
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this.rendered = `${this.transform.render(this.input)}`;
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length += this.rendered.length;
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prompt += this.rendered;
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}
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if (!this.done) {
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this.lineCount = this.suggestions[this.page].length;
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let suggestions = this.suggestions[this.page].reduce((acc, item, i) => acc + `\n${i === this.select ? color.cyan(item.title) : item.title}`, '');
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if (suggestions && !this.isFallback) {
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prompt += suggestions;
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if (this.suggestions.length > 1) {
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this.lineCount++;
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prompt += color.blue(`\nPage ${this.page + 1}/${this.suggestions.length}`);
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}
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} else {
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const fallbackIndex = getIndex(this.choices, this.fallback);
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const fallbackTitle = fallbackIndex !== undefined ? getTitle(this.choices, fallbackIndex) : this.fallback;
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prompt += `\n${color.gray(fallbackTitle)}`;
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this.lineCount++;
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}
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}
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this.out.write(this.clear + prompt);
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this.clear = clear(prompt);
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if (this.lineCount && !this.done) {
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let pos = cursor.up(this.lineCount);
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pos += cursor.left + cursor.to(length);
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pos += cursor.move(-this.rendered.length + this.cursor * this.scale);
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this.out.write(pos);
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}
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}
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}
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module.exports = AutocompletePrompt; |