completer.js
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			'use strict';

			const unique = arr => arr.filter((v, i) => arr.lastIndexOf(v) === i);
			const compact = arr => unique(arr).filter(Boolean);

			module.exports = (action, data = {}, value = '') => {
			let { past = [], present = '' } = data;
			let rest, prev;

			switch (action) {
			case 'prev':
			case 'undo':
			rest = past.slice(0, past.length - 1);
			prev = past[past.length - 1] \|\| '';
			return {
			past: compact([value, ...rest]),
			present: prev
			};

			case 'next':
			case 'redo':
			rest = past.slice(1);
			prev = past[0] \|\| '';
			return {
			past: compact([...rest, value]),
			present: prev
			};

			case 'save':
			return {
			past: compact([...past, value]),
			present: ''
			};

			case 'remove':
			prev = compact(past.filter(v => v !== value));
			present = '';

			if (prev.length) {
			present = prev.pop();
			}

			return {
			past: prev,
			present
			};

			default: {
			throw new Error(`Invalid action: "${action}"`);
			}
			}
			};

rOACCT/node_modules/enquirer/lib/completer.js9045e4d5dbe1drf-api-tracking