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rOACCT/node_modules/prompts/lib/elements/autocompleteMultiselect.js
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autocompleteMultiselect.js
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			'use strict';

			const color = require('kleur');
			const { cursor } = require('sisteransi');
			const MultiselectPrompt = require('./multiselect');
			const { clear, style, figures } = require('../util');
			/**
			* MultiselectPrompt Base Element
			* @param {Object} opts Options
			* @param {String} opts.message Message
			* @param {Array} opts.choices Array of choice objects
			* @param {String} [opts.hint] Hint to display
			* @param {String} [opts.warn] Hint shown for disabled choices
			* @param {Number} [opts.max] Max choices
			* @param {Number} [opts.cursor=0] Cursor start position
			* @param {Stream} [opts.stdin] The Readable stream to listen to
			* @param {Stream} [opts.stdout] The Writable stream to write readline data to
			*/
			class AutocompleteMultiselectPrompt extends MultiselectPrompt {
			constructor(opts={}) {
			opts.overrideRender = true;
			super(opts);
			this.inputValue = '';
			this.clear = clear('', this.out.columns);
			this.filteredOptions = this.value;
			this.render();
			}

			last() {
			this.cursor = this.filteredOptions.length - 1;
			this.render();
			}
			next() {
			this.cursor = (this.cursor + 1) % this.filteredOptions.length;
			this.render();
			}

			up() {
			if (this.cursor === 0) {
			this.cursor = this.filteredOptions.length - 1;
			} else {
			this.cursor--;
			}
			this.render();
			}

			down() {
			if (this.cursor === this.filteredOptions.length - 1) {
			this.cursor = 0;
			} else {
			this.cursor++;
			}
			this.render();
			}

			left() {
			this.filteredOptions[this.cursor].selected = false;
			this.render();
			}

			right() {
			if (this.value.filter(e => e.selected).length >= this.maxChoices) return this.bell();
			this.filteredOptions[this.cursor].selected = true;
			this.render();
			}

			delete() {
			if (this.inputValue.length) {
			this.inputValue = this.inputValue.substr(0, this.inputValue.length - 1);
			this.updateFilteredOptions();
			}
			}

			updateFilteredOptions() {
			const currentHighlight = this.filteredOptions[this.cursor];
			this.filteredOptions = this.value
			.filter(v => {
			if (this.inputValue) {
			if (typeof v.title === 'string') {
			if (v.title.toLowerCase().includes(this.inputValue.toLowerCase())) {
			return true;
			}
			}
			if (typeof v.value === 'string') {
			if (v.value.toLowerCase().includes(this.inputValue.toLowerCase())) {
			return true;
			}
			}
			return false;
			}
			return true;
			});
			const newHighlightIndex = this.filteredOptions.findIndex(v => v === currentHighlight)
			this.cursor = newHighlightIndex < 0 ? 0 : newHighlightIndex;
			this.render();
			}

			handleSpaceToggle() {
			const v = this.filteredOptions[this.cursor];

			if (v.selected) {
			v.selected = false;
			this.render();
			} else if (v.disabled \|\| this.value.filter(e => e.selected).length >= this.maxChoices) {
			return this.bell();
			} else {
			v.selected = true;
			this.render();
			}
			}

			handleInputChange(c) {
			this.inputValue = this.inputValue + c;
			this.updateFilteredOptions();
			}

			_(c, key) {
			if (c === ' ') {
			this.handleSpaceToggle();
			} else {
			this.handleInputChange(c);
			}
			}

			renderInstructions() {
			if (this.instructions === undefined \|\| this.instructions) {
			if (typeof this.instructions === 'string') {
			return this.instructions;
			}
			return `
			Instructions:
			${figures.arrowUp}/${figures.arrowDown}: Highlight option
			${figures.arrowLeft}/${figures.arrowRight}/[space]: Toggle selection
			[a,b,c]/delete: Filter choices
			enter/return: Complete answer
			`;
			}
			return '';
			}

			renderCurrentInput() {
			return `
			Filtered results for: ${this.inputValue ? this.inputValue : color.gray('Enter something to filter')}\n`;
			}

			renderOption(cursor, v, i) {
			let title;
			if (v.disabled) title = cursor === i ? color.gray().underline(v.title) : color.strikethrough().gray(v.title);
			else title = cursor === i ? color.cyan().underline(v.title) : v.title;
			return (v.selected ? color.green(figures.radioOn) : figures.radioOff) + ' ' + title
			}

			renderDoneOrInstructions() {
			if (this.done) {
			return this.value
			.filter(e => e.selected)
			.map(v => v.title)
			.join(', ');
			}

			const output = [color.gray(this.hint), this.renderInstructions(), this.renderCurrentInput()];

			if (this.filteredOptions.length && this.filteredOptions[this.cursor].disabled) {
			output.push(color.yellow(this.warn));
			}
			return output.join(' ');
			}

			render() {
			if (this.closed) return;
			if (this.firstRender) this.out.write(cursor.hide);
			super.render();

			// print prompt

			let prompt = [
			style.symbol(this.done, this.aborted),
			color.bold(this.msg),
			style.delimiter(false),
			this.renderDoneOrInstructions()
			].join(' ');

			if (this.showMinError) {
			prompt += color.red(`You must select a minimum of ${this.minSelected} choices.`);
			this.showMinError = false;
			}
			prompt += this.renderOptions(this.filteredOptions);

			this.out.write(this.clear + prompt);
			this.clear = clear(prompt, this.out.columns);
			}
			}

			module.exports = AutocompleteMultiselectPrompt;