104 lines
2.6 KiB
JavaScript
104 lines
2.6 KiB
JavaScript
/*!
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* parse-glob <https://github.com/jonschlinkert/parse-glob>
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*
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* Copyright (c) 2015 Jon Schlinkert.
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* Licensed under the MIT license.
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*/
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'use strict';
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var pathRe = require('glob-path-regex');
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var isGlob = require('is-glob');
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/**
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* Parse a glob pattern into sections
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*
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* When no paths or '**' are in the glob, we use a
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* different strategy for parsing the filename, since
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* file names can contain braces and other difficult
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* patterns. such as:
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*
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* - `*.{a,b}`
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* - `(**|*.js)`
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*/
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module.exports = function parseGlob(pattern) {
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// leave `pattern` unmodified
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var glob = pattern;
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var tok = {};
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tok.pattern = pattern;
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tok.isGlob = isGlob(pattern);
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tok.isNegated = pattern.charAt(0) === '!';
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var braces = pattern.indexOf('{') !== -1;
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if (braces) {
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glob = glob.substr(0, braces) + escape(glob.substr(braces));
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}
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if (!/(\/|\*\*)/.test(glob)) {
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tok.dirname = '';
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tok.filename = pattern;
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var basename = /^([^.]*)/.exec(glob);
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if (basename) {
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tok.basename = basename[0];
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tok.extname = glob.substr(tok.basename.length);
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} else {
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tok.basename = glob;
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tok.extname = '';
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}
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} else {
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var m = pathRe().exec(glob) || [];
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tok.dirname = m[1];
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tok.filename = glob.substr(tok.dirname.length);
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var dot = tok.filename.indexOf('.', 1);
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if (dot !== -1) {
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tok.basename = tok.filename.substr(0, dot);
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tok.extname = tok.filename.substr(dot);
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tok.ext = tok.extname.substr(tok.extname.indexOf('.', 1));
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} else if (tok.filename.charAt(0) === '.') {
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tok.basename = '';
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tok.extname = tok.filename;
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} else {
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tok.basename = tok.filename;
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tok.extname = '';
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}
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}
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tok.ext = tok.extname.split('.').slice(-1)[0];
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if (braces) {
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tok.dirname = tok.dirname ? unescape(tok.dirname) : '';
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tok.filename = tok.filename ? unescape(tok.filename) : '';
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tok.basename = tok.basename ? unescape(tok.basename) : '';
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tok.extname = tok.extname ? unescape(tok.extname) : '';
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tok.ext = tok.ext ? unescape(tok.ext) : '';
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}
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tok.dotfiles = tok.filename.charAt(0) === '.';
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tok.dotdirs = tok.dirname.indexOf('/.') !== -1
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|| tok.dirname.charAt(0) === '.';
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return tok;
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};
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function escape(str) {
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return str.replace(/.*\{([^}]*?)}.*$/g, function (match, inner) {
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if (!inner) { return match; }
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return match.split(inner).join(esc(inner));
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});
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}
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function esc(str) {
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str = str.split('/').join('__ESC_SLASH__');
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str = str.split('.').join('__ESC_DOT__');
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return str;
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}
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function unescape(str) {
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str = str.split('__ESC_SLASH__').join('/');
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str = str.split('__ESC_DOT__').join('.');
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return str;
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}
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