'use strict';
var util = require('util');
var braces = require('braces');
var toRegex = require('to-regex');
var extend = require('extend-shallow');
var compilers = require('./lib/compilers');
var parsers = require('./lib/parsers');
var cache = require('./lib/cache');
var utils = require('./lib/utils');
var MAX_LENGTH = 1024 * 64;
function micromatch(list, patterns, options) {
patterns = utils.arrayify(patterns);
list = utils.arrayify(list);
var len = patterns.length;
if (list.length === 0 || len === 0) {
return [];
}
if (len === 1) {
return micromatch.match(list, patterns[0], options);
}
var omit = [];
var keep = [];
var idx = -1;
while (++idx < len) {
var pattern = patterns[idx];
if (typeof pattern === 'string' && pattern.charCodeAt(0) === 33 ) {
omit.push.apply(omit, micromatch.match(list, pattern.slice(1), options));
} else {
keep.push.apply(keep, micromatch.match(list, pattern, options));
}
}
var matches = utils.diff(keep, omit);
if (!options || options.nodupes !== false) {
return utils.unique(matches);
}
return matches;
}
micromatch.match = function(list, pattern, options) {
if (Array.isArray(pattern)) {
throw new TypeError('expected pattern to be a string');
}
var unixify = utils.unixify(options);
var isMatch = memoize('match', pattern, options, micromatch.matcher);
var matches = [];
list = utils.arrayify(list);
var len = list.length;
var idx = -1;
while (++idx < len) {
var ele = list[idx];
if (ele === pattern || isMatch(ele)) {
matches.push(utils.value(ele, unixify, options));
}
}
if (typeof options === 'undefined') {
return utils.unique(matches);
}
if (matches.length === 0) {
if (options.failglob === true) {
throw new Error('no matches found for "' + pattern + '"');
}
if (options.nonull === true || options.nullglob === true) {
return [options.unescape ? utils.unescape(pattern) : pattern];
}
}
if (options.ignore) {
matches = micromatch.not(matches, options.ignore, options);
}
return options.nodupes !== false ? utils.unique(matches) : matches;
};
micromatch.isMatch = function(str, pattern, options) {
if (typeof str !== 'string') {
throw new TypeError('expected a string: "' + util.inspect(str) + '"');
}
if (isEmptyString(str) || isEmptyString(pattern)) {
return false;
}
var equals = utils.equalsPattern(options);
if (equals(str)) {
return true;
}
var isMatch = memoize('isMatch', pattern, options, micromatch.matcher);
return isMatch(str);
};
micromatch.some = function(list, patterns, options) {
if (typeof list === 'string') {
list = [list];
}
for (var i = 0; i < list.length; i++) {
if (micromatch(list[i], patterns, options).length === 1) {
return true;
}
}
return false;
};
micromatch.every = function(list, patterns, options) {
if (typeof list === 'string') {
list = [list];
}
for (var i = 0; i < list.length; i++) {
if (micromatch(list[i], patterns, options).length !== 1) {
return false;
}
}
return true;
};
micromatch.any = function(str, patterns, options) {
if (typeof str !== 'string') {
throw new TypeError('expected a string: "' + util.inspect(str) + '"');
}
if (isEmptyString(str) || isEmptyString(patterns)) {
return false;
}
if (typeof patterns === 'string') {
patterns = [patterns];
}
for (var i = 0; i < patterns.length; i++) {
if (micromatch.isMatch(str, patterns[i], options)) {
return true;
}
}
return false;
};
micromatch.all = function(str, patterns, options) {
if (typeof str !== 'string') {
throw new TypeError('expected a string: "' + util.inspect(str) + '"');
}
if (typeof patterns === 'string') {
patterns = [patterns];
}
for (var i = 0; i < patterns.length; i++) {
if (!micromatch.isMatch(str, patterns[i], options)) {
return false;
}
}
return true;
};
micromatch.not = function(list, patterns, options) {
var opts = extend({}, options);
var ignore = opts.ignore;
delete opts.ignore;
var unixify = utils.unixify(opts);
list = utils.arrayify(list).map(unixify);
var matches = utils.diff(list, micromatch(list, patterns, opts));
if (ignore) {
matches = utils.diff(matches, micromatch(list, ignore));
}
return opts.nodupes !== false ? utils.unique(matches) : matches;
};
micromatch.contains = function(str, patterns, options) {
if (typeof str !== 'string') {
throw new TypeError('expected a string: "' + util.inspect(str) + '"');
}
if (typeof patterns === 'string') {
if (isEmptyString(str) || isEmptyString(patterns)) {
return false;
}
var equals = utils.equalsPattern(patterns, options);
if (equals(str)) {
return true;
}
var contains = utils.containsPattern(patterns, options);
if (contains(str)) {
return true;
}
}
var opts = extend({}, options, {contains: true});
return micromatch.any(str, patterns, opts);
};
micromatch.matchBase = function(pattern, options) {
if (pattern && pattern.indexOf('/') !== -1 || !options) return false;
return options.basename === true || options.matchBase === true;
};
micromatch.matchKeys = function(obj, patterns, options) {
if (!utils.isObject(obj)) {
throw new TypeError('expected the first argument to be an object');
}
var keys = micromatch(Object.keys(obj), patterns, options);
return utils.pick(obj, keys);
};
micromatch.matcher = function matcher(pattern, options) {
if (Array.isArray(pattern)) {
return compose(pattern, options, matcher);
}
if (pattern instanceof RegExp) {
return test(pattern);
}
if (!utils.isString(pattern)) {
throw new TypeError('expected pattern to be an array, string or regex');
}
if (!utils.hasSpecialChars(pattern)) {
if (options && options.nocase === true) {
pattern = pattern.toLowerCase();
}
return utils.matchPath(pattern, options);
}
var re = micromatch.makeRe(pattern, options);
if (micromatch.matchBase(pattern, options)) {
return utils.matchBasename(re, options);
}
function test(regex) {
var equals = utils.equalsPattern(options);
var unixify = utils.unixify(options);
return function(str) {
if (equals(str)) {
return true;
}
if (regex.test(unixify(str))) {
return true;
}
return false;
};
}
var fn = test(re);
Object.defineProperty(fn, 'result', {
configurable: true,
enumerable: false,
value: re.result
});
return fn;
};
micromatch.capture = function(pattern, str, options) {
var re = micromatch.makeRe(pattern, extend({capture: true}, options));
var unixify = utils.unixify(options);
function match() {
return function(string) {
var match = re.exec(unixify(string));
if (!match) {
return null;
}
return match.slice(1);
};
}
var capture = memoize('capture', pattern, options, match);
return capture(str);
};
micromatch.makeRe = function(pattern, options) {
if (typeof pattern !== 'string') {
throw new TypeError('expected pattern to be a string');
}
if (pattern.length > MAX_LENGTH) {
throw new Error('expected pattern to be less than ' + MAX_LENGTH + ' characters');
}
function makeRe() {
var result = micromatch.create(pattern, options);
var ast_array = [];
var output = result.map(function(obj) {
obj.ast.state = obj.state;
ast_array.push(obj.ast);
return obj.output;
});
var regex = toRegex(output.join('|'), options);
Object.defineProperty(regex, 'result', {
configurable: true,
enumerable: false,
value: ast_array
});
return regex;
}
return memoize('makeRe', pattern, options, makeRe);
};
micromatch.braces = function(pattern, options) {
if (typeof pattern !== 'string' && !Array.isArray(pattern)) {
throw new TypeError('expected pattern to be an array or string');
}
function expand() {
if (options && options.nobrace === true || !/\{.*\}/.test(pattern)) {
return utils.arrayify(pattern);
}
return braces(pattern, options);
}
return memoize('braces', pattern, options, expand);
};
micromatch.braceExpand = function(pattern, options) {
var opts = extend({}, options, {expand: true});
return micromatch.braces(pattern, opts);
};
micromatch.create = function(pattern, options) {
return memoize('create', pattern, options, function() {
function create(str, opts) {
return micromatch.compile(micromatch.parse(str, opts), opts);
}
pattern = micromatch.braces(pattern, options);
var len = pattern.length;
var idx = -1;
var res = [];
while (++idx < len) {
res.push(create(pattern[idx], options));
}
return res;
});
};
micromatch.parse = function(pattern, options) {
if (typeof pattern !== 'string') {
throw new TypeError('expected a string');
}
function parse() {
var snapdragon = utils.instantiate(null, options);
parsers(snapdragon, options);
var ast = snapdragon.parse(pattern, options);
utils.define(ast, 'snapdragon', snapdragon);
ast.input = pattern;
return ast;
}
return memoize('parse', pattern, options, parse);
};
micromatch.compile = function(ast, options) {
if (typeof ast === 'string') {
ast = micromatch.parse(ast, options);
}
return memoize('compile', ast.input, options, function() {
var snapdragon = utils.instantiate(ast, options);
compilers(snapdragon, options);
return snapdragon.compile(ast, options);
});
};
micromatch.clearCache = function() {
micromatch.cache.caches = {};
};
function isEmptyString(val) {
return String(val) === '' || String(val) === './';
}
function compose(patterns, options, matcher) {
var matchers;
return memoize('compose', String(patterns), options, function() {
return function(file) {
if (!matchers) {
matchers = [];
for (var i = 0; i < patterns.length; i++) {
matchers.push(matcher(patterns[i], options));
}
}
var len = matchers.length;
while (len--) {
if (matchers[len](file) === true) {
return true;
}
}
return false;
};
});
}
function memoize(type, pattern, options, fn) {
var key = utils.createKey(type + '=' + pattern, options);
if (options && options.cache === false) {
return fn(pattern, options);
}
if (cache.has(type, key)) {
return cache.get(type, key);
}
var val = fn(pattern, options);
cache.set(type, key, val);
return val;
}
micromatch.compilers = compilers;
micromatch.parsers = parsers;
micromatch.caches = cache.caches;
module.exports = micromatch;