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1148 lines
No EOL
33 KiB
Markdown
# nanomatch [](https://www.npmjs.com/package/nanomatch) [](https://npmjs.org/package/nanomatch) [](https://npmjs.org/package/nanomatch) [](https://travis-ci.org/micromatch/nanomatch) [](https://ci.appveyor.com/project/micromatch/nanomatch)
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> Fast, minimal glob matcher for node.js. Similar to micromatch, minimatch and multimatch, but complete Bash 4.3 wildcard support only (no support for exglobs, posix brackets or braces)
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Please consider following this project's author, [Jon Schlinkert](https://github.com/jonschlinkert), and consider starring the project to show your :heart: and support.
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## Table of Contents
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<details>
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<summary><strong>Details</strong></summary>
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- [Install](#install)
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- [What is nanomatch?](#what-is-nanomatch)
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- [Getting started](#getting-started)
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* [Installing nanomatch](#installing-nanomatch)
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* [Usage](#usage)
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- [Documentation](#documentation)
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* [Escaping](#escaping)
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- [API](#api)
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- [Options](#options)
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* [options.basename](#optionsbasename)
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* [options.bash](#optionsbash)
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* [options.cache](#optionscache)
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* [options.dot](#optionsdot)
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* [options.failglob](#optionsfailglob)
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* [options.ignore](#optionsignore)
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* [options.matchBase](#optionsmatchbase)
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* [options.nocase](#optionsnocase)
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* [options.nodupes](#optionsnodupes)
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* [options.noglobstar](#optionsnoglobstar)
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* [options.nonegate](#optionsnonegate)
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* [options.nonull](#optionsnonull)
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* [options.nullglob](#optionsnullglob)
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* [options.slash](#optionsslash)
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* [options.star](#optionsstar)
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* [options.snapdragon](#optionssnapdragon)
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* [options.sourcemap](#optionssourcemap)
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* [options.unescape](#optionsunescape)
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* [options.unixify](#optionsunixify)
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- [Features](#features)
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- [Bash expansion libs](#bash-expansion-libs)
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- [Benchmarks](#benchmarks)
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* [Running benchmarks](#running-benchmarks)
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* [Nanomatch vs. Minimatch vs. Multimatch](#nanomatch-vs-minimatch-vs-multimatch)
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- [About](#about)
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</details>
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## Install
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Install with [npm](https://www.npmjs.com/):
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```sh
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$ npm install --save nanomatch
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```
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<details>
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<summary><strong>Release history</strong></summary>
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## History
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### key
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Changelog entries are classified using the following labels _(from [keep-a-changelog](https://github.com/olivierlacan/keep-a-changelog)_):
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* `added`: for new features
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* `changed`: for changes in existing functionality
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* `deprecated`: for once-stable features removed in upcoming releases
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* `removed`: for deprecated features removed in this release
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* `fixed`: for any bug fixes
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* `bumped`: updated dependencies, only minor or higher will be listed.
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### [1.1.0](https://github.com/micromatch/nanomatch/compare/1.0.4...1.1.0) - 2017-04-11
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**Fixed**
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* adds support for unclosed quotes
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**Added**
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* adds support for `options.noglobstar`
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### [1.0.4](https://github.com/micromatch/nanomatch/compare/1.0.3...1.0.4) - 2017-04-06
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Housekeeping updates. Adds documentation section about escaping, cleans up utils.
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### [1.0.3](https://github.com/micromatch/nanomatch/compare/1.0.1...1.0.3) - 2017-04-06
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This release includes fixes for windows path edge cases and other improvements for stricter adherence to bash spec.
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**Fixed**
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* More windows path edge cases
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**Added**
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* Support for bash-like quoted strings for escaping sequences of characters, such as `foo/"**"/bar` where `**` should be matched literally and not evaluated as special characters.
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### [1.0.1](https://github.com/micromatch/nanomatch/compare/1.0.0...1.0.1) - 2016-12-12
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**Added**
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* Support for windows path edge cases where backslashes are used in brackets or other unusual combinations.
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### [1.0.0](https://github.com/micromatch/nanomatch/compare/0.1.0...1.0.0) - 2016-12-12
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Stable release.
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### [0.1.0] - 2016-10-08
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First release.
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</details>
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## What is nanomatch?
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Nanomatch is a fast and accurate glob matcher with full support for standard Bash glob features, including the following "metacharacters": `*`, `**`, `?` and `[...]`.
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**Learn more**
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* [Getting started](#getting-started): learn how to install and begin using nanomatch
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* [Features](#features): jump to info about supported patterns, and a glob matching reference
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* [API documentation](#api): jump to available options and methods
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* [Unit tests](test): visit unit tests. there is no better way to learn a code library than spending time the unit tests. Nanomatch has 36,000 unit tests - go become a glob matching ninja!
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<details>
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<summary><strong>How is this different?</strong></summary>
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**Speed and accuracy**
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Nanomatch uses [snapdragon](https://github.com/jonschlinkert/snapdragon) for parsing and compiling globs, which results in:
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* Granular control over the entire conversion process in a way that is easy to understand, reason about, and customize.
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* Faster matching, from a combination of optimized glob patterns and (optional) caching.
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* Much greater accuracy than minimatch. In fact, nanomatch passes _all of the spec tests_ from bash, including some that bash still fails. However, since there is no real specification for globs, if you encounter a pattern that yields unexpected match results [after researching previous issues](../../issues), [please let us know](../../issues/new).
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**Basic globbing only**
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Nanomatch supports [basic globbing only](#features), which is limited to `*`, `**`, `?` and regex-like brackets.
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If you need support for the other [bash "expansion" types](#bash-expansion-libs) (in addition to the wildcard matching provided by nanomatch), consider using [micromatch](https://github.com/micromatch/micromatch) instead. _(micromatch >=3.0.0 uses the nanomatch parser and compiler for basic glob matching)_
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</details>
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## Getting started
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### Installing nanomatch
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**Install with [yarn](https://yarnpkg.com/)**
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```sh
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$ yarn add nanomatch
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```
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**Install with [npm](https://npmjs.com)**
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```sh
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$ npm install nanomatch
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```
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### Usage
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Add nanomatch to your project using node's `require()` system:
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```js
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var nanomatch = require('nanomatch');
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// the main export is a function that takes an array of strings to match
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// and a string or array of patterns to use for matching
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nanomatch(list, patterns[, options]);
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```
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**Params**
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* `list` **{String|Array}**: List of strings to perform matches against. This is often a list of file paths.
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* `patterns` **{String|Array}**: One or more [glob paterns](#features) to use for matching.
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* `options` **{Object}**: Any [supported options](#options) may be passed
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**Examples**
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```js
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var nm = require('nanomatch');
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console.log(nm(['a', 'b/b', 'c/c/c'], '*'));
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//=> ['a']
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console.log(nm(['a', 'b/b', 'c/c/c'], '*/*'));
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//=> ['b/b']
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console.log(nm(['a', 'b/b', 'c/c/c'], '**'));
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//=> ['a', 'b/b', 'c/c/c']
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```
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See the [API documentation](#api) for available methods and [options](https://github.com/einaros/options.js).
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## Documentation
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### Escaping
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_Backslashes and quotes_ can be used to escape characters, forcing nanomatch to regard those characters as a literal characters.
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**Backslashes**
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Use backslashes to escape single characters. For example, the following pattern would match `foo/*/bar` exactly:
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```js
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'foo/\*/bar'
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```
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The following pattern would match `foo/` followed by a literal `*`, followed by zero or more of any characters besides `/`, followed by `/bar`.
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```js
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'foo/\**/bar'
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```
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**Quoted strings**
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Use single or double quotes to escape sequences of characters. For example, the following patterns would match `foo/**/bar` exactly:
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```js
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'foo/"**"/bar'
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'foo/\'**\'/bar'
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"foo/'**'/bar"
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```
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**Matching literal quotes**
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If you need to match quotes literally, you can escape them as well. For example, the following will match `foo/"*"/bar`, `foo/"a"/bar`, `foo/"b"/bar`, or `foo/"c"/bar`:
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```js
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'foo/\\"*\\"/bar'
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```
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And the following will match `foo/'*'/bar`, `foo/'a'/bar`, `foo/'b'/bar`, or `foo/'c'/bar`:
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```js
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'foo/\\\'*\\\'/bar'
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```
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## API
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### [nanomatch](index.js#L40)
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The main function takes a list of strings and one or more glob patterns to use for matching.
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**Params**
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* `list` **{Array}**: A list of strings to match
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* `patterns` **{String|Array}**: One or more glob patterns to use for matching.
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* `options` **{Object}**: See available [options](#options) for changing how matches are performed
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* `returns` **{Array}**: Returns an array of matches
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**Example**
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```js
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var nm = require('nanomatch');
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nm(list, patterns[, options]);
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console.log(nm(['a.js', 'a.txt'], ['*.js']));
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//=> [ 'a.js' ]
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```
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### [.match](index.js#L106)
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Similar to the main function, but `pattern` must be a string.
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**Params**
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* `list` **{Array}**: Array of strings to match
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* `pattern` **{String}**: Glob pattern to use for matching.
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* `options` **{Object}**: See available [options](#options) for changing how matches are performed
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* `returns` **{Array}**: Returns an array of matches
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**Example**
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```js
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var nm = require('nanomatch');
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nm.match(list, pattern[, options]);
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console.log(nm.match(['a.a', 'a.aa', 'a.b', 'a.c'], '*.a'));
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//=> ['a.a', 'a.aa']
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```
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### [.isMatch](index.js#L167)
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Returns true if the specified `string` matches the given glob `pattern`.
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**Params**
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* `string` **{String}**: String to match
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* `pattern` **{String}**: Glob pattern to use for matching.
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* `options` **{Object}**: See available [options](#options) for changing how matches are performed
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* `returns` **{Boolean}**: Returns true if the string matches the glob pattern.
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**Example**
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```js
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var nm = require('nanomatch');
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nm.isMatch(string, pattern[, options]);
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console.log(nm.isMatch('a.a', '*.a'));
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//=> true
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console.log(nm.isMatch('a.b', '*.a'));
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//=> false
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```
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### [.some](index.js#L205)
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Returns true if some of the elements in the given `list` match any of the given glob `patterns`.
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**Params**
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* `list` **{String|Array}**: The string or array of strings to test. Returns as soon as the first match is found.
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* `patterns` **{String|Array}**: One or more glob patterns to use for matching.
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* `options` **{Object}**: See available [options](#options) for changing how matches are performed
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* `returns` **{Boolean}**: Returns true if any patterns match `str`
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**Example**
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```js
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var nm = require('nanomatch');
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nm.some(list, patterns[, options]);
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console.log(nm.some(['foo.js', 'bar.js'], ['*.js', '!foo.js']));
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// true
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console.log(nm.some(['foo.js'], ['*.js', '!foo.js']));
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// false
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```
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### [.every](index.js#L243)
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Returns true if every element in the given `list` matches at least one of the given glob `patterns`.
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**Params**
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* `list` **{String|Array}**: The string or array of strings to test.
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* `patterns` **{String|Array}**: One or more glob patterns to use for matching.
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* `options` **{Object}**: See available [options](#options) for changing how matches are performed
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* `returns` **{Boolean}**: Returns true if any patterns match `str`
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**Example**
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```js
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var nm = require('nanomatch');
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nm.every(list, patterns[, options]);
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console.log(nm.every('foo.js', ['foo.js']));
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// true
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console.log(nm.every(['foo.js', 'bar.js'], ['*.js']));
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// true
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console.log(nm.every(['foo.js', 'bar.js'], ['*.js', '!foo.js']));
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// false
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console.log(nm.every(['foo.js'], ['*.js', '!foo.js']));
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// false
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```
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### [.any](index.js#L277)
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Returns true if **any** of the given glob `patterns` match the specified `string`.
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**Params**
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* `str` **{String|Array}**: The string to test.
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* `patterns` **{String|Array}**: One or more glob patterns to use for matching.
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* `options` **{Object}**: See available [options](#options) for changing how matches are performed
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* `returns` **{Boolean}**: Returns true if any patterns match `str`
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**Example**
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```js
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var nm = require('nanomatch');
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nm.any(string, patterns[, options]);
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console.log(nm.any('a.a', ['b.*', '*.a']));
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//=> true
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console.log(nm.any('a.a', 'b.*'));
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//=> false
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```
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### [.all](index.js#L325)
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Returns true if **all** of the given `patterns` match the specified string.
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**Params**
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* `str` **{String|Array}**: The string to test.
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* `patterns` **{String|Array}**: One or more glob patterns to use for matching.
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* `options` **{Object}**: See available [options](#options) for changing how matches are performed
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* `returns` **{Boolean}**: Returns true if any patterns match `str`
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**Example**
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```js
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var nm = require('nanomatch');
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nm.all(string, patterns[, options]);
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console.log(nm.all('foo.js', ['foo.js']));
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// true
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console.log(nm.all('foo.js', ['*.js', '!foo.js']));
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// false
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console.log(nm.all('foo.js', ['*.js', 'foo.js']));
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// true
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console.log(nm.all('foo.js', ['*.js', 'f*', '*o*', '*o.js']));
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// true
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```
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### [.not](index.js#L359)
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Returns a list of strings that _**do not match any**_ of the given `patterns`.
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**Params**
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* `list` **{Array}**: Array of strings to match.
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* `patterns` **{String|Array}**: One or more glob pattern to use for matching.
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* `options` **{Object}**: See available [options](#options) for changing how matches are performed
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* `returns` **{Array}**: Returns an array of strings that **do not match** the given patterns.
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**Example**
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```js
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var nm = require('nanomatch');
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nm.not(list, patterns[, options]);
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console.log(nm.not(['a.a', 'b.b', 'c.c'], '*.a'));
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//=> ['b.b', 'c.c']
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```
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### [.contains](index.js#L394)
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Returns true if the given `string` contains the given pattern. Similar to [.isMatch](#isMatch) but the pattern can match any part of the string.
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**Params**
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* `str` **{String}**: The string to match.
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* `patterns` **{String|Array}**: Glob pattern to use for matching.
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* `options` **{Object}**: See available [options](#options) for changing how matches are performed
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* `returns` **{Boolean}**: Returns true if the patter matches any part of `str`.
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**Example**
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```js
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var nm = require('nanomatch');
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nm.contains(string, pattern[, options]);
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console.log(nm.contains('aa/bb/cc', '*b'));
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//=> true
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console.log(nm.contains('aa/bb/cc', '*d'));
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//=> false
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```
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### [.matchKeys](index.js#L450)
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Filter the keys of the given object with the given `glob` pattern and `options`. Does not attempt to match nested keys. If you need this feature, use [glob-object](https://github.com/jonschlinkert/glob-object) instead.
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**Params**
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* `object` **{Object}**: The object with keys to filter.
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* `patterns` **{String|Array}**: One or more glob patterns to use for matching.
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* `options` **{Object}**: See available [options](#options) for changing how matches are performed
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* `returns` **{Object}**: Returns an object with only keys that match the given patterns.
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**Example**
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```js
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var nm = require('nanomatch');
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nm.matchKeys(object, patterns[, options]);
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var obj = { aa: 'a', ab: 'b', ac: 'c' };
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console.log(nm.matchKeys(obj, '*b'));
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//=> { ab: 'b' }
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```
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### [.matcher](index.js#L479)
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Returns a memoized matcher function from the given glob `pattern` and `options`. The returned function takes a string to match as its only argument and returns true if the string is a match.
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**Params**
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* `pattern` **{String}**: Glob pattern
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* `options` **{Object}**: See available [options](#options) for changing how matches are performed.
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* `returns` **{Function}**: Returns a matcher function.
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**Example**
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```js
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var nm = require('nanomatch');
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nm.matcher(pattern[, options]);
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var isMatch = nm.matcher('*.!(*a)');
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console.log(isMatch('a.a'));
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//=> false
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console.log(isMatch('a.b'));
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//=> true
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```
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### [.capture](index.js#L560)
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Returns an array of matches captured by `pattern` in `string, or`null` if the pattern did not match.
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**Params**
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* `pattern` **{String}**: Glob pattern to use for matching.
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* `string` **{String}**: String to match
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* `options` **{Object}**: See available [options](#options) for changing how matches are performed
|
|
* `returns` **{Boolean}**: Returns an array of captures if the string matches the glob pattern, otherwise `null`.
|
|
|
|
**Example**
|
|
|
|
```js
|
|
var nm = require('nanomatch');
|
|
nm.capture(pattern, string[, options]);
|
|
|
|
console.log(nm.capture('test/*.js', 'test/foo.js'));
|
|
//=> ['foo']
|
|
console.log(nm.capture('test/*.js', 'foo/bar.css'));
|
|
//=> null
|
|
```
|
|
|
|
### [.makeRe](index.js#L595)
|
|
|
|
Create a regular expression from the given glob `pattern`.
|
|
|
|
**Params**
|
|
|
|
* `pattern` **{String}**: A glob pattern to convert to regex.
|
|
* `options` **{Object}**: See available [options](#options) for changing how matches are performed.
|
|
* `returns` **{RegExp}**: Returns a regex created from the given pattern.
|
|
|
|
**Example**
|
|
|
|
```js
|
|
var nm = require('nanomatch');
|
|
nm.makeRe(pattern[, options]);
|
|
|
|
console.log(nm.makeRe('*.js'));
|
|
//=> /^(?:(\.[\\\/])?(?!\.)(?=.)[^\/]*?\.js)$/
|
|
```
|
|
|
|
### [.create](index.js#L658)
|
|
|
|
Parses the given glob `pattern` and returns an object with the compiled `output` and optional source `map`.
|
|
|
|
**Params**
|
|
|
|
* `pattern` **{String}**: Glob pattern to parse and compile.
|
|
* `options` **{Object}**: Any [options](#options) to change how parsing and compiling is performed.
|
|
* `returns` **{Object}**: Returns an object with the parsed AST, compiled string and optional source map.
|
|
|
|
**Example**
|
|
|
|
```js
|
|
var nm = require('nanomatch');
|
|
nm.create(pattern[, options]);
|
|
|
|
console.log(nm.create('abc/*.js'));
|
|
// { options: { source: 'string', sourcemap: true },
|
|
// state: {},
|
|
// compilers:
|
|
// { ... },
|
|
// output: '(\\.[\\\\\\/])?abc\\/(?!\\.)(?=.)[^\\/]*?\\.js',
|
|
// ast:
|
|
// { type: 'root',
|
|
// errors: [],
|
|
// nodes:
|
|
// [ ... ],
|
|
// dot: false,
|
|
// input: 'abc/*.js' },
|
|
// parsingErrors: [],
|
|
// map:
|
|
// { version: 3,
|
|
// sources: [ 'string' ],
|
|
// names: [],
|
|
// mappings: 'AAAA,GAAG,EAAC,kBAAC,EAAC,EAAE',
|
|
// sourcesContent: [ 'abc/*.js' ] },
|
|
// position: { line: 1, column: 28 },
|
|
// content: {},
|
|
// files: {},
|
|
// idx: 6 }
|
|
```
|
|
|
|
### [.parse](index.js#L697)
|
|
|
|
Parse the given `str` with the given `options`.
|
|
|
|
**Params**
|
|
|
|
* `str` **{String}**
|
|
* `options` **{Object}**
|
|
* `returns` **{Object}**: Returns an AST
|
|
|
|
**Example**
|
|
|
|
```js
|
|
var nm = require('nanomatch');
|
|
nm.parse(pattern[, options]);
|
|
|
|
var ast = nm.parse('a/{b,c}/d');
|
|
console.log(ast);
|
|
// { type: 'root',
|
|
// errors: [],
|
|
// input: 'a/{b,c}/d',
|
|
// nodes:
|
|
// [ { type: 'bos', val: '' },
|
|
// { type: 'text', val: 'a/' },
|
|
// { type: 'brace',
|
|
// nodes:
|
|
// [ { type: 'brace.open', val: '{' },
|
|
// { type: 'text', val: 'b,c' },
|
|
// { type: 'brace.close', val: '}' } ] },
|
|
// { type: 'text', val: '/d' },
|
|
// { type: 'eos', val: '' } ] }
|
|
```
|
|
|
|
### [.compile](index.js#L745)
|
|
|
|
Compile the given `ast` or string with the given `options`.
|
|
|
|
**Params**
|
|
|
|
* `ast` **{Object|String}**
|
|
* `options` **{Object}**
|
|
* `returns` **{Object}**: Returns an object that has an `output` property with the compiled string.
|
|
|
|
**Example**
|
|
|
|
```js
|
|
var nm = require('nanomatch');
|
|
nm.compile(ast[, options]);
|
|
|
|
var ast = nm.parse('a/{b,c}/d');
|
|
console.log(nm.compile(ast));
|
|
// { options: { source: 'string' },
|
|
// state: {},
|
|
// compilers:
|
|
// { eos: [Function],
|
|
// noop: [Function],
|
|
// bos: [Function],
|
|
// brace: [Function],
|
|
// 'brace.open': [Function],
|
|
// text: [Function],
|
|
// 'brace.close': [Function] },
|
|
// output: [ 'a/(b|c)/d' ],
|
|
// ast:
|
|
// { ... },
|
|
// parsingErrors: [] }
|
|
```
|
|
|
|
### [.clearCache](index.js#L768)
|
|
|
|
Clear the regex cache.
|
|
|
|
**Example**
|
|
|
|
```js
|
|
nm.clearCache();
|
|
```
|
|
|
|
## Options
|
|
|
|
<details>
|
|
<summary><strong>basename</strong></summary>
|
|
|
|
### options.basename
|
|
|
|
Allow glob patterns without slashes to match a file path based on its basename. Same behavior as [minimatch](https://github.com/isaacs/minimatch) option `matchBase`.
|
|
|
|
Type: `boolean`
|
|
|
|
Default: `false`
|
|
|
|
**Example**
|
|
|
|
```js
|
|
nm(['a/b.js', 'a/c.md'], '*.js');
|
|
//=> []
|
|
|
|
nm(['a/b.js', 'a/c.md'], '*.js', {matchBase: true});
|
|
//=> ['a/b.js']
|
|
```
|
|
|
|
</details>
|
|
|
|
<details>
|
|
<summary><strong>bash</strong></summary>
|
|
|
|
### options.bash
|
|
|
|
Enabled by default, this option enforces bash-like behavior with stars immediately following a bracket expression. Bash bracket expressions are similar to regex character classes, but unlike regex, a star following a bracket expression **does not repeat the bracketed characters**. Instead, the star is treated the same as an other star.
|
|
|
|
Type: `boolean`
|
|
|
|
Default: `true`
|
|
|
|
**Example**
|
|
|
|
```js
|
|
var files = ['abc', 'ajz'];
|
|
console.log(nm(files, '[a-c]*'));
|
|
//=> ['abc', 'ajz']
|
|
|
|
console.log(nm(files, '[a-c]*', {bash: false}));
|
|
```
|
|
|
|
</details>
|
|
|
|
<details>
|
|
<summary><strong>cache</strong></summary>
|
|
|
|
### options.cache
|
|
|
|
Disable regex and function memoization.
|
|
|
|
Type: `boolean`
|
|
|
|
Default: `undefined`
|
|
|
|
</details>
|
|
|
|
<details>
|
|
<summary><strong>dot</strong></summary>
|
|
|
|
### options.dot
|
|
|
|
Match dotfiles. Same behavior as [minimatch](https://github.com/isaacs/minimatch) option `dot`.
|
|
|
|
Type: `boolean`
|
|
|
|
Default: `false`
|
|
|
|
</details>
|
|
|
|
<details>
|
|
<summary><strong>failglob</strong></summary>
|
|
|
|
### options.failglob
|
|
|
|
Similar to the `--failglob` behavior in Bash, throws an error when no matches are found.
|
|
|
|
Type: `boolean`
|
|
|
|
Default: `undefined`
|
|
|
|
</details>
|
|
|
|
<details>
|
|
<summary><strong>ignore</strong></summary>
|
|
|
|
### options.ignore
|
|
|
|
String or array of glob patterns to match files to ignore.
|
|
|
|
Type: `String|Array`
|
|
|
|
Default: `undefined`
|
|
|
|
</details>
|
|
|
|
<details>
|
|
<summary><strong>matchBase</strong></summary>
|
|
|
|
### options.matchBase
|
|
|
|
Alias for [options.basename](#options-basename).
|
|
|
|
</details>
|
|
|
|
<details>
|
|
<summary><strong>nocase</strong></summary>
|
|
|
|
### options.nocase
|
|
|
|
Use a case-insensitive regex for matching files. Same behavior as [minimatch](https://github.com/isaacs/minimatch).
|
|
|
|
Type: `boolean`
|
|
|
|
Default: `undefined`
|
|
|
|
</details>
|
|
|
|
<details>
|
|
<summary><strong>nodupes</strong></summary>
|
|
|
|
### options.nodupes
|
|
|
|
Remove duplicate elements from the result array.
|
|
|
|
Type: `boolean`
|
|
|
|
Default: `true` (enabled by default)
|
|
|
|
**Example**
|
|
|
|
Example of using the `unescape` and `nodupes` options together:
|
|
|
|
```js
|
|
nm.match(['a/b/c', 'a/b/c'], '**');
|
|
//=> ['abc']
|
|
|
|
nm.match(['a/b/c', 'a/b/c'], '**', {nodupes: false});
|
|
//=> ['a/b/c', 'a/b/c']
|
|
```
|
|
|
|
</details>
|
|
|
|
<details>
|
|
<summary><strong>nonegate</strong></summary>
|
|
|
|
### options.noglobstar
|
|
|
|
Disable matching with globstars (`**`).
|
|
|
|
Type: `boolean`
|
|
|
|
Default: `undefined`
|
|
|
|
```js
|
|
nm(['a/b', 'a/b/c', 'a/b/c/d'], 'a/**');
|
|
//=> ['a/b', 'a/b/c', 'a/b/c/d']
|
|
|
|
nm(['a/b', 'a/b/c', 'a/b/c/d'], 'a/**', {noglobstar: true});
|
|
//=> ['a/b']
|
|
```
|
|
|
|
</details>
|
|
|
|
<details>
|
|
<summary><strong>nonegate</strong></summary>
|
|
|
|
### options.nonegate
|
|
|
|
Disallow negation (`!`) patterns, and treat leading `!` as a literal character to match.
|
|
|
|
Type: `boolean`
|
|
|
|
Default: `undefined`
|
|
|
|
</details>
|
|
|
|
<details>
|
|
<summary><strong>nonull</strong></summary>
|
|
|
|
### options.nonull
|
|
|
|
Alias for [options.nullglob](#options-nullglob).
|
|
|
|
</details>
|
|
|
|
<details>
|
|
<summary><strong>nullglob</strong></summary>
|
|
|
|
### options.nullglob
|
|
|
|
If `true`, when no matches are found the actual (arrayified) glob pattern is returned instead of an empty array. Same behavior as [minimatch](https://github.com/isaacs/minimatch) option `nonull`.
|
|
|
|
Type: `boolean`
|
|
|
|
Default: `undefined`
|
|
|
|
</details>
|
|
|
|
<details>
|
|
<summary><strong><a name="slash">slash</a></strong></summary>
|
|
|
|
### options.slash
|
|
|
|
Customize the slash character(s) to use for matching.
|
|
|
|
Type: `string|function`
|
|
|
|
Default: `[/\\]` (forward slash and backslash)
|
|
|
|
</details>
|
|
|
|
<details>
|
|
<summary><strong><a name="star">star</a></strong></summary>
|
|
|
|
### options.star
|
|
|
|
Customize the star character(s) to use for matching. It's not recommended that you modify this unless you have advanced knowledge of the compiler and matching rules.
|
|
|
|
Type: `string|function`
|
|
|
|
Default: `[^/\\]*?`
|
|
|
|
</details>
|
|
|
|
<details>
|
|
<summary><strong><a name="snapdragon">snapdragon</a></strong></summary>
|
|
|
|
### options.snapdragon
|
|
|
|
Pass your own instance of [snapdragon](https://github.com/jonschlinkert/snapdragon) to customize parsers or compilers.
|
|
|
|
Type: `object`
|
|
|
|
Default: `undefined`
|
|
|
|
</details>
|
|
|
|
<details>
|
|
<summary><strong>snapdragon</strong></summary>
|
|
|
|
### options.sourcemap
|
|
|
|
Generate a source map by enabling the `sourcemap` option with the `.parse`, `.compile`, or `.create` methods.
|
|
|
|
**Examples**
|
|
|
|
```js
|
|
var nm = require('nanomatch');
|
|
|
|
var res = nm.create('abc/*.js', {sourcemap: true});
|
|
console.log(res.map);
|
|
// { version: 3,
|
|
// sources: [ 'string' ],
|
|
// names: [],
|
|
// mappings: 'AAAA,GAAG,EAAC,iBAAC,EAAC,EAAE',
|
|
// sourcesContent: [ 'abc/*.js' ] }
|
|
|
|
var ast = nm.parse('abc/**/*.js');
|
|
var res = nm.compile(ast, {sourcemap: true});
|
|
console.log(res.map);
|
|
// { version: 3,
|
|
// sources: [ 'string' ],
|
|
// names: [],
|
|
// mappings: 'AAAA,GAAG,EAAC,2BAAE,EAAC,iBAAC,EAAC,EAAE',
|
|
// sourcesContent: [ 'abc/**/*.js' ] }
|
|
```
|
|
|
|
</details>
|
|
|
|
<details>
|
|
<summary><strong>unescape</strong></summary>
|
|
|
|
### options.unescape
|
|
|
|
Remove backslashes from returned matches.
|
|
|
|
Type: `boolean`
|
|
|
|
Default: `undefined`
|
|
|
|
**Example**
|
|
|
|
In this example we want to match a literal `*`:
|
|
|
|
```js
|
|
nm.match(['abc', 'a\\*c'], 'a\\*c');
|
|
//=> ['a\\*c']
|
|
|
|
nm.match(['abc', 'a\\*c'], 'a\\*c', {unescape: true});
|
|
//=> ['a*c']
|
|
```
|
|
|
|
</details>
|
|
|
|
<details>
|
|
<summary><strong>unixify</strong></summary>
|
|
|
|
### options.unixify
|
|
|
|
Convert path separators on returned files to posix/unix-style forward slashes.
|
|
|
|
Type: `boolean`
|
|
|
|
Default: `true`
|
|
|
|
**Example**
|
|
|
|
```js
|
|
nm.match(['a\\b\\c'], 'a/**');
|
|
//=> ['a/b/c']
|
|
|
|
nm.match(['a\\b\\c'], {unixify: false});
|
|
//=> ['a\\b\\c']
|
|
```
|
|
|
|
</details>
|
|
|
|
## Features
|
|
|
|
Nanomatch has full support for standard Bash glob features, including the following "metacharacters": `*`, `**`, `?` and `[...]`.
|
|
|
|
Here are some examples of how they work:
|
|
|
|
| **Pattern** | **Description** |
|
|
| --- | --- |
|
|
| `*` | Matches any string except for `/`, leading `.`, or `/.` inside a path |
|
|
| `**` | Matches any string including `/`, but not a leading `.` or `/.` inside a path. More than two stars (e.g. `***` is treated the same as one star, and `**` loses its special meaning | when it's not the only thing in a path segment, per Bash specifications) |
|
|
| `foo*` | Matches any string beginning with `foo` |
|
|
| `*bar*` | Matches any string containing `bar` (beginning, middle or end) |
|
|
| `*.min.js` | Matches any string ending with `.min.js` |
|
|
| `[abc]*.js` | Matches any string beginning with `a`, `b`, or `c` and ending with `.js` |
|
|
| `abc?` | Matches `abcd` or `abcz` but not `abcde` |
|
|
|
|
The exceptions noted for `*` apply to all patterns that contain a `*`.
|
|
|
|
**Not supported**
|
|
|
|
The following extended-globbing features are not supported:
|
|
|
|
* [brace expansion](https://github.com/jonschlinkert/braces) (e.g. `{a,b,c}`)
|
|
* [extglobs](https://github.com/jonschlinkert/extglob) (e.g. `@(a|!(c|d))`)
|
|
* [POSIX brackets](https://github.com/jonschlinkert/expand-brackets) (e.g. `[[:alpha:][:digit:]]`)
|
|
|
|
If you need any of these features consider using [micromatch](https://github.com/micromatch/micromatch) instead.
|
|
|
|
## Bash expansion libs
|
|
|
|
Nanomatch is part of a suite of libraries aimed at bringing the power and expressiveness of [Bash's](https://www.gnu.org/software/bash/) matching and expansion capabilities to JavaScript, _and - as you can see by the [benchmarks](#benchmarks) - without sacrificing speed_.
|
|
|
|
| **Related library** | **Matching Type** | **Example** | **Description** |
|
|
| --- | --- | --- | --- |
|
|
| `nanomatch` (you are here) | Wildcards | `*` | [Filename expansion](https://www.gnu.org/software/bash/manual/html_node/Filename-Expansion.html#Filename-Expansion), also referred to as globbing and pathname expansion, allows the use of [wildcards](#features) for matching. |
|
|
| [expand-tilde](https://github.com/jonschlinkert/expand-tilde) | Tildes | `~` | [Tilde expansion](https://www.gnu.org/software/bash/manual/html_node/Tilde-Expansion.html#Tilde-Expansion) converts the leading tilde in a file path to the user home directory. |
|
|
| [braces](https://github.com/jonschlinkert/braces) | Braces | `{a,b,c}` | [Brace expansion](https://www.gnu.org/software/bash/manual/html_node/Brace-Expansion.html) |
|
|
| [expand-brackets](https://github.com/jonschlinkert/expand-brackets) | Brackets | `[[:alpha:]]` | [POSIX character classes](https://www.gnu.org/software/grep/manual/html_node/Character-Classes-and-Bracket-Expressions.html) (also referred to as POSIX brackets, or POSIX character classes) |
|
|
| [extglob](https://github.com/jonschlinkert/extglob) | Parens | `!(a\ | b)` | [Extglobs](https://www.gnu.org/software/bash/manual/html_node/Pattern-Matching.html#Pattern-Matching) |
|
|
| [micromatch](https://github.com/micromatch/micromatch) | All | all | Micromatch is built on top of the other libraries. |
|
|
|
|
There are many resources available on the web if you want to dive deeper into how these features work in Bash.
|
|
|
|
## Benchmarks
|
|
|
|
### Running benchmarks
|
|
|
|
Install dev dependencies:
|
|
|
|
```bash
|
|
npm i -d && node benchmark
|
|
```
|
|
|
|
### Nanomatch vs. Minimatch vs. Multimatch
|
|
|
|
```bash
|
|
# globstar-basic (182 bytes)
|
|
minimatch x 69,512 ops/sec ±1.92% (88 runs sampled)
|
|
multimatch x 63,376 ops/sec ±1.41% (89 runs sampled)
|
|
nanomatch x 432,451 ops/sec ±0.92% (88 runs sampled)
|
|
|
|
fastest is nanomatch (by 651% avg)
|
|
|
|
# large-list-globstar (485686 bytes)
|
|
minimatch x 34.02 ops/sec ±1.42% (59 runs sampled)
|
|
multimatch x 33.58 ops/sec ±1.97% (58 runs sampled)
|
|
nanomatch x 483 ops/sec ±1.06% (86 runs sampled)
|
|
|
|
fastest is nanomatch (by 1429% avg)
|
|
|
|
# long-list-globstar (194085 bytes)
|
|
minimatch x 383 ops/sec ±0.74% (90 runs sampled)
|
|
multimatch x 378 ops/sec ±0.59% (89 runs sampled)
|
|
nanomatch x 990 ops/sec ±1.14% (85 runs sampled)
|
|
|
|
fastest is nanomatch (by 260% avg)
|
|
|
|
# negation-basic (132 bytes)
|
|
minimatch x 242,145 ops/sec ±1.17% (89 runs sampled)
|
|
multimatch x 76,403 ops/sec ±0.78% (92 runs sampled)
|
|
nanomatch x 537,253 ops/sec ±1.44% (86 runs sampled)
|
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fastest is nanomatch (by 337% avg)
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# not-glob-basic (93 bytes)
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minimatch x 252,402 ops/sec ±1.33% (89 runs sampled)
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multimatch x 209,954 ops/sec ±1.30% (90 runs sampled)
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nanomatch x 1,716,468 ops/sec ±1.13% (86 runs sampled)
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fastest is nanomatch (by 742% avg)
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# star-basic (93 bytes)
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minimatch x 182,780 ops/sec ±1.41% (91 runs sampled)
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multimatch x 153,210 ops/sec ±0.72% (89 runs sampled)
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nanomatch x 599,621 ops/sec ±1.22% (90 runs sampled)
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fastest is nanomatch (by 357% avg)
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|
```
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## About
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<details>
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<summary><strong>Contributing</strong></summary>
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|
Pull requests and stars are always welcome. For bugs and feature requests, [please create an issue](../../issues/new).
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|
|
Please read the [contributing guide](.github/contributing.md) for advice on opening issues, pull requests, and coding standards.
|
|
|
|
</details>
|
|
|
|
<details>
|
|
<summary><strong>Running Tests</strong></summary>
|
|
|
|
Running and reviewing unit tests is a great way to get familiarized with a library and its API. You can install dependencies and run tests with the following command:
|
|
|
|
```sh
|
|
$ npm install && npm test
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|
```
|
|
|
|
</details>
|
|
|
|
<details>
|
|
<summary><strong>Building docs</strong></summary>
|
|
|
|
_(This project's readme.md is generated by [verb](https://github.com/verbose/verb-generate-readme), please don't edit the readme directly. Any changes to the readme must be made in the [.verb.md](.verb.md) readme template.)_
|
|
|
|
To generate the readme, run the following command:
|
|
|
|
```sh
|
|
$ npm install -g verbose/verb#dev verb-generate-readme && verb
|
|
```
|
|
|
|
</details>
|
|
|
|
### Related projects
|
|
|
|
You might also be interested in these projects:
|
|
|
|
* [extglob](https://www.npmjs.com/package/extglob): Extended glob support for JavaScript. Adds (almost) the expressive power of regular expressions to glob… [more](https://github.com/micromatch/extglob) | [homepage](https://github.com/micromatch/extglob "Extended glob support for JavaScript. Adds (almost) the expressive power of regular expressions to glob patterns.")
|
|
* [is-extglob](https://www.npmjs.com/package/is-extglob): Returns true if a string has an extglob. | [homepage](https://github.com/jonschlinkert/is-extglob "Returns true if a string has an extglob.")
|
|
* [is-glob](https://www.npmjs.com/package/is-glob): Returns `true` if the given string looks like a glob pattern or an extglob pattern… [more](https://github.com/jonschlinkert/is-glob) | [homepage](https://github.com/jonschlinkert/is-glob "Returns `true` if the given string looks like a glob pattern or an extglob pattern. This makes it easy to create code that only uses external modules like node-glob when necessary, resulting in much faster code execution and initialization time, and a bet")
|
|
* [micromatch](https://www.npmjs.com/package/micromatch): Glob matching for javascript/node.js. A drop-in replacement and faster alternative to minimatch and multimatch. | [homepage](https://github.com/micromatch/micromatch "Glob matching for javascript/node.js. A drop-in replacement and faster alternative to minimatch and multimatch.")
|
|
|
|
### Contributors
|
|
|
|
| **Commits** | **Contributor** |
|
|
| --- | --- |
|
|
| 164 | [jonschlinkert](https://github.com/jonschlinkert) |
|
|
| 1 | [devongovett](https://github.com/devongovett) |
|
|
|
|
### Author
|
|
|
|
**Jon Schlinkert**
|
|
|
|
* [linkedin/in/jonschlinkert](https://linkedin.com/in/jonschlinkert)
|
|
* [github/jonschlinkert](https://github.com/jonschlinkert)
|
|
* [twitter/jonschlinkert](https://twitter.com/jonschlinkert)
|
|
|
|
### License
|
|
|
|
Copyright © 2018, [Jon Schlinkert](https://github.com/jonschlinkert).
|
|
Released under the [MIT License](LICENSE).
|
|
|
|
***
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|
|
|
_This file was generated by [verb-generate-readme](https://github.com/verbose/verb-generate-readme), v0.6.0, on February 18, 2018._ |