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- 'use strict';
- var compilers = require('./lib/compilers');
- var parsers = require('./lib/parsers');
- var debug = require('debug')('expand-brackets');
- var extend = require('extend-shallow');
- var Snapdragon = require('snapdragon');
- var toRegex = require('to-regex');
- function brackets(pattern, options) {
- debug('initializing from <%s>', __filename);
- var res = brackets.create(pattern, options);
- return res.output;
- }
- brackets.match = function(arr, pattern, options) {
- arr = [].concat(arr);
- var opts = extend({}, options);
- var isMatch = brackets.matcher(pattern, opts);
- var len = arr.length;
- var idx = -1;
- var res = [];
- while (++idx < len) {
- var ele = arr[idx];
- if (isMatch(ele)) {
- res.push(ele);
- }
- }
- if (res.length === 0) {
- if (opts.failglob === true) {
- throw new Error('no matches found for "' + pattern + '"');
- }
- if (opts.nonull === true || opts.nullglob === true) {
- return [pattern.split('\\').join('')];
- }
- }
- return res;
- };
- brackets.isMatch = function(str, pattern, options) {
- return brackets.matcher(pattern, options)(str);
- };
- brackets.matcher = function(pattern, options) {
- var re = brackets.makeRe(pattern, options);
- return function(str) {
- return re.test(str);
- };
- };
- brackets.makeRe = function(pattern, options) {
- var res = brackets.create(pattern, options);
- var opts = extend({strictErrors: false}, options);
- return toRegex(res.output, opts);
- };
- brackets.create = function(pattern, options) {
- var snapdragon = (options && options.snapdragon) || new Snapdragon(options);
- compilers(snapdragon);
- parsers(snapdragon);
- var ast = snapdragon.parse(pattern, options);
- ast.input = pattern;
- var res = snapdragon.compile(ast, options);
- res.input = pattern;
- return res;
- };
- brackets.compilers = compilers;
- brackets.parsers = parsers;
- module.exports = brackets;
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