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// Copyright 2018-2024 the Deno authors. All rights reserved. MIT license.// This module is browser compatible.
import type { GlobOptions } from "./_common/glob_to_reg_exp.ts";import { isWindows, type OSType } from "./_os.ts";
import { globToRegExp as posixGlobToRegExp } from "./posix/glob_to_regexp.ts";import {  globToRegExp as windowsGlobToRegExp,} from "./windows/glob_to_regexp.ts";
export type { GlobOptions };
export type GlobToRegExpOptions = GlobOptions & {  os?: OSType;};
/** Convert a glob string to a regular expression. * * Tries to match bash glob expansion as closely as possible. * * Basic glob syntax: * - `*` - Matches everything without leaving the path segment. * - `?` - Matches any single character. * - `{foo,bar}` - Matches `foo` or `bar`. * - `[abcd]` - Matches `a`, `b`, `c` or `d`. * - `[a-d]` - Matches `a`, `b`, `c` or `d`. * - `[!abcd]` - Matches any single character besides `a`, `b`, `c` or `d`. * - `[[:<class>:]]` - Matches any character belonging to `<class>`. *     - `[[:alnum:]]` - Matches any digit or letter. *     - `[[:digit:]abc]` - Matches any digit, `a`, `b` or `c`. *     - See https://facelessuser.github.io/wcmatch/glob/#posix-character-classes *       for a complete list of supported character classes. * - `\` - Escapes the next character for an `os` other than `"windows"`. * - \` - Escapes the next character for `os` set to `"windows"`. * - `/` - Path separator. * - `\` - Additional path separator only for `os` set to `"windows"`. * * Extended syntax: * - Requires `{ extended: true }`. * - `?(foo|bar)` - Matches 0 or 1 instance of `{foo,bar}`. * - `@(foo|bar)` - Matches 1 instance of `{foo,bar}`. They behave the same. * - `*(foo|bar)` - Matches _n_ instances of `{foo,bar}`. * - `+(foo|bar)` - Matches _n > 0_ instances of `{foo,bar}`. * - `!(foo|bar)` - Matches anything other than `{foo,bar}`. * - See https://www.linuxjournal.com/content/bash-extended-globbing. * * Globstar syntax: * - Requires `{ globstar: true }`. * - `**` - Matches any number of any path segments. *     - Must comprise its entire path segment in the provided glob. * - See https://www.linuxjournal.com/content/globstar-new-bash-globbing-option. * * Note the following properties: * - The generated `RegExp` is anchored at both start and end. * - Repeating and trailing separators are tolerated. Trailing separators in the *   provided glob have no meaning and are discarded. * - Absolute globs will only match absolute paths, etc. * - Empty globs will match nothing. * - Any special glob syntax must be contained to one path segment. For example, *   `?(foo|bar/baz)` is invalid. The separator will take precedence and the *   first segment ends with an unclosed group. * - If a path segment ends with unclosed groups or a dangling escape prefix, a *   parse error has occurred. Every character for that segment is taken *   literally in this event. * * Limitations: * - A negative group like `!(foo|bar)` will wrongly be converted to a negative *   look-ahead followed by a wildcard. This means that `!(foo).js` will wrongly *   fail to match `foobar.js`, even though `foobar` is not `foo`. Effectively, *   `!(foo|bar)` is treated like `!(@(foo|bar)*)`. This will work correctly if *   the group occurs not nested at the end of the segment. */export function globToRegExp(  glob: string,  options: GlobToRegExpOptions = {},): RegExp {  return options.os === "windows" || (!options.os && isWindows)    ? windowsGlobToRegExp(glob, options)    : posixGlobToRegExp(glob, options);}