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+'use strict';
+
+const path = require('path');
+const scan = require('./scan');
+const parse = require('./parse');
+const utils = require('./utils');
+const constants = require('./constants');
+const isObject = val => val && typeof val === 'object' && !Array.isArray(val);
+
+/**
+ * Creates a matcher function from one or more glob patterns. The
+ * returned function takes a string to match as its first argument,
+ * and returns true if the string is a match. The returned matcher
+ * function also takes a boolean as the second argument that, when true,
+ * returns an object with additional information.
+ *
+ * ```js
+ * const picomatch = require('picomatch');
+ * // picomatch(glob[, options]);
+ *
+ * const isMatch = picomatch('*.!(*a)');
+ * console.log(isMatch('a.a')); //=> false
+ * console.log(isMatch('a.b')); //=> true
+ * ```
+ * @name picomatch
+ * @param {String|Array} `globs` One or more glob patterns.
+ * @param {Object=} `options`
+ * @return {Function=} Returns a matcher function.
+ * @api public
+ */
+
+const picomatch = (glob, options, returnState = false) => {
+ if (Array.isArray(glob)) {
+ const fns = glob.map(input => picomatch(input, options, returnState));
+ const arrayMatcher = str => {
+ for (const isMatch of fns) {
+ const state = isMatch(str);
+ if (state) return state;
+ }
+ return false;
+ };
+ return arrayMatcher;
+ }
+
+ const isState = isObject(glob) && glob.tokens && glob.input;
+
+ if (glob === '' || (typeof glob !== 'string' && !isState)) {
+ throw new TypeError('Expected pattern to be a non-empty string');
+ }
+
+ const opts = options || {};
+ const posix = utils.isWindows(options);
+ const regex = isState
+ ? picomatch.compileRe(glob, options)
+ : picomatch.makeRe(glob, options, false, true);
+
+ const state = regex.state;
+ delete regex.state;
+
+ let isIgnored = () => false;
+ if (opts.ignore) {
+ const ignoreOpts = { ...options, ignore: null, onMatch: null, onResult: null };
+ isIgnored = picomatch(opts.ignore, ignoreOpts, returnState);
+ }
+
+ const matcher = (input, returnObject = false) => {
+ const { isMatch, match, output } = picomatch.test(input, regex, options, { glob, posix });
+ const result = { glob, state, regex, posix, input, output, match, isMatch };
+
+ if (typeof opts.onResult === 'function') {
+ opts.onResult(result);
+ }
+
+ if (isMatch === false) {
+ result.isMatch = false;
+ return returnObject ? result : false;
+ }
+
+ if (isIgnored(input)) {
+ if (typeof opts.onIgnore === 'function') {
+ opts.onIgnore(result);
+ }
+ result.isMatch = false;
+ return returnObject ? result : false;
+ }
+
+ if (typeof opts.onMatch === 'function') {
+ opts.onMatch(result);
+ }
+ return returnObject ? result : true;
+ };
+
+ if (returnState) {
+ matcher.state = state;
+ }
+
+ return matcher;
+};
+
+/**
+ * Test `input` with the given `regex`. This is used by the main
+ * `picomatch()` function to test the input string.
+ *
+ * ```js
+ * const picomatch = require('picomatch');
+ * // picomatch.test(input, regex[, options]);
+ *
+ * console.log(picomatch.test('foo/bar', /^(?:([^/]*?)\/([^/]*?))$/));
+ * // { isMatch: true, match: [ 'foo/', 'foo', 'bar' ], output: 'foo/bar' }
+ * ```
+ * @param {String} `input` String to test.
+ * @param {RegExp} `regex`
+ * @return {Object} Returns an object with matching info.
+ * @api public
+ */
+
+picomatch.test = (input, regex, options, { glob, posix } = {}) => {
+ if (typeof input !== 'string') {
+ throw new TypeError('Expected input to be a string');
+ }
+
+ if (input === '') {
+ return { isMatch: false, output: '' };
+ }
+
+ const opts = options || {};
+ const format = opts.format || (posix ? utils.toPosixSlashes : null);
+ let match = input === glob;
+ let output = (match && format) ? format(input) : input;
+
+ if (match === false) {
+ output = format ? format(input) : input;
+ match = output === glob;
+ }
+
+ if (match === false || opts.capture === true) {
+ if (opts.matchBase === true || opts.basename === true) {
+ match = picomatch.matchBase(input, regex, options, posix);
+ } else {
+ match = regex.exec(output);
+ }
+ }
+
+ return { isMatch: Boolean(match), match, output };
+};
+
+/**
+ * Match the basename of a filepath.
+ *
+ * ```js
+ * const picomatch = require('picomatch');
+ * // picomatch.matchBase(input, glob[, options]);
+ * console.log(picomatch.matchBase('foo/bar.js', '*.js'); // true
+ * ```
+ * @param {String} `input` String to test.
+ * @param {RegExp|String} `glob` Glob pattern or regex created by [.makeRe](#makeRe).
+ * @return {Boolean}
+ * @api public
+ */
+
+picomatch.matchBase = (input, glob, options, posix = utils.isWindows(options)) => {
+ const regex = glob instanceof RegExp ? glob : picomatch.makeRe(glob, options);
+ return regex.test(path.basename(input));
+};
+
+/**
+ * Returns true if **any** of the given glob `patterns` match the specified `string`.
+ *
+ * ```js
+ * const picomatch = require('picomatch');
+ * // picomatch.isMatch(string, patterns[, options]);
+ *
+ * console.log(picomatch.isMatch('a.a', ['b.*', '*.a'])); //=> true
+ * console.log(picomatch.isMatch('a.a', 'b.*')); //=> false
+ * ```
+ * @param {String|Array} str The string to test.
+ * @param {String|Array} patterns One or more glob patterns to use for matching.
+ * @param {Object} [options] See available [options](#options).
+ * @return {Boolean} Returns true if any patterns match `str`
+ * @api public
+ */
+
+picomatch.isMatch = (str, patterns, options) => picomatch(patterns, options)(str);
+
+/**
+ * Parse a glob pattern to create the source string for a regular
+ * expression.
+ *
+ * ```js
+ * const picomatch = require('picomatch');
+ * const result = picomatch.parse(pattern[, options]);
+ * ```
+ * @param {String} `pattern`
+ * @param {Object} `options`
+ * @return {Object} Returns an object with useful properties and output to be used as a regex source string.
+ * @api public
+ */
+
+picomatch.parse = (pattern, options) => {
+ if (Array.isArray(pattern)) return pattern.map(p => picomatch.parse(p, options));
+ return parse(pattern, { ...options, fastpaths: false });
+};
+
+/**
+ * Scan a glob pattern to separate the pattern into segments.
+ *
+ * ```js
+ * const picomatch = require('picomatch');
+ * // picomatch.scan(input[, options]);
+ *
+ * const result = picomatch.scan('!./foo/*.js');
+ * console.log(result);
+ * { prefix: '!./',
+ * input: '!./foo/*.js',
+ * start: 3,
+ * base: 'foo',
+ * glob: '*.js',
+ * isBrace: false,
+ * isBracket: false,
+ * isGlob: true,
+ * isExtglob: false,
+ * isGlobstar: false,
+ * negated: true }
+ * ```
+ * @param {String} `input` Glob pattern to scan.
+ * @param {Object} `options`
+ * @return {Object} Returns an object with
+ * @api public
+ */
+
+picomatch.scan = (input, options) => scan(input, options);
+
+/**
+ * Compile a regular expression from the `state` object returned by the
+ * [parse()](#parse) method.
+ *
+ * @param {Object} `state`
+ * @param {Object} `options`
+ * @param {Boolean} `returnOutput` Intended for implementors, this argument allows you to return the raw output from the parser.
+ * @param {Boolean} `returnState` Adds the state to a `state` property on the returned regex. Useful for implementors and debugging.
+ * @return {RegExp}
+ * @api public
+ */
+
+picomatch.compileRe = (state, options, returnOutput = false, returnState = false) => {
+ if (returnOutput === true) {
+ return state.output;
+ }
+
+ const opts = options || {};
+ const prepend = opts.contains ? '' : '^';
+ const append = opts.contains ? '' : '$';
+
+ let source = `${prepend}(?:${state.output})${append}`;
+ if (state && state.negated === true) {
+ source = `^(?!${source}).*$`;
+ }
+
+ const regex = picomatch.toRegex(source, options);
+ if (returnState === true) {
+ regex.state = state;
+ }
+
+ return regex;
+};
+
+/**
+ * Create a regular expression from a parsed glob pattern.
+ *
+ * ```js
+ * const picomatch = require('picomatch');
+ * const state = picomatch.parse('*.js');
+ * // picomatch.compileRe(state[, options]);
+ *
+ * console.log(picomatch.compileRe(state));
+ * //=> /^(?:(?!\.)(?=.)[^/]*?\.js)$/
+ * ```
+ * @param {String} `state` The object returned from the `.parse` method.
+ * @param {Object} `options`
+ * @param {Boolean} `returnOutput` Implementors may use this argument to return the compiled output, instead of a regular expression. This is not exposed on the options to prevent end-users from mutating the result.
+ * @param {Boolean} `returnState` Implementors may use this argument to return the state from the parsed glob with the returned regular expression.
+ * @return {RegExp} Returns a regex created from the given pattern.
+ * @api public
+ */
+
+picomatch.makeRe = (input, options = {}, returnOutput = false, returnState = false) => {
+ if (!input || typeof input !== 'string') {
+ throw new TypeError('Expected a non-empty string');
+ }
+
+ let parsed = { negated: false, fastpaths: true };
+
+ if (options.fastpaths !== false && (input[0] === '.' || input[0] === '*')) {
+ parsed.output = parse.fastpaths(input, options);
+ }
+
+ if (!parsed.output) {
+ parsed = parse(input, options);
+ }
+
+ return picomatch.compileRe(parsed, options, returnOutput, returnState);
+};
+
+/**
+ * Create a regular expression from the given regex source string.
+ *
+ * ```js
+ * const picomatch = require('picomatch');
+ * // picomatch.toRegex(source[, options]);
+ *
+ * const { output } = picomatch.parse('*.js');
+ * console.log(picomatch.toRegex(output));
+ * //=> /^(?:(?!\.)(?=.)[^/]*?\.js)$/
+ * ```
+ * @param {String} `source` Regular expression source string.
+ * @param {Object} `options`
+ * @return {RegExp}
+ * @api public
+ */
+
+picomatch.toRegex = (source, options) => {
+ try {
+ const opts = options || {};
+ return new RegExp(source, opts.flags || (opts.nocase ? 'i' : ''));
+ } catch (err) {
+ if (options && options.debug === true) throw err;
+ return /$^/;
+ }
+};
+
+/**
+ * Picomatch constants.
+ * @return {Object}
+ */
+
+picomatch.constants = constants;
+
+/**
+ * Expose "picomatch"
+ */
+
+module.exports = picomatch;