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rOACCT/node_modules/braces/lib/compile.js
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compile.js
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			'use strict';

			const fill = require('fill-range');
			const utils = require('./utils');

			const compile = (ast, options = {}) => {
			let walk = (node, parent = {}) => {
			let invalidBlock = utils.isInvalidBrace(parent);
			let invalidNode = node.invalid === true && options.escapeInvalid === true;
			let invalid = invalidBlock === true \|\| invalidNode === true;
			let prefix = options.escapeInvalid === true ? '\\' : '';
			let output = '';

			if (node.isOpen === true) {
			return prefix + node.value;
			}
			if (node.isClose === true) {
			return prefix + node.value;
			}

			if (node.type === 'open') {
			return invalid ? (prefix + node.value) : '(';
			}

			if (node.type === 'close') {
			return invalid ? (prefix + node.value) : ')';
			}

			if (node.type === 'comma') {
			return node.prev.type === 'comma' ? '' : (invalid ? node.value : '\|');
			}

			if (node.value) {
			return node.value;
			}

			if (node.nodes && node.ranges > 0) {
			let args = utils.reduce(node.nodes);
			let range = fill(...args, { ...options, wrap: false, toRegex: true });

			if (range.length !== 0) {
			return args.length > 1 && range.length > 1 ? `(${range})` : range;
			}
			}

			if (node.nodes) {
			for (let child of node.nodes) {
			output += walk(child, node);
			}
			}
			return output;
			};

			return walk(ast);
			};

			module.exports = compile;