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Diffstat (limited to 'node_modules/parse-glob/index.js')
-rw-r--r-- | node_modules/parse-glob/index.js | 156 |
1 files changed, 156 insertions, 0 deletions
diff --git a/node_modules/parse-glob/index.js b/node_modules/parse-glob/index.js new file mode 100644 index 000000000..4ab691afc --- /dev/null +++ b/node_modules/parse-glob/index.js @@ -0,0 +1,156 @@ +/*! + * parse-glob <https://github.com/jonschlinkert/parse-glob> + * + * Copyright (c) 2015, Jon Schlinkert. + * Licensed under the MIT License. + */ + +'use strict'; + +var isGlob = require('is-glob'); +var findBase = require('glob-base'); +var extglob = require('is-extglob'); +var dotfile = require('is-dotfile'); + +/** + * Expose `cache` + */ + +var cache = module.exports.cache = {}; + +/** + * Parse a glob pattern into tokens. + * + * When no paths or '**' are in the glob, we use a + * different strategy for parsing the filename, since + * file names can contain braces and other difficult + * patterns. such as: + * + * - `*.{a,b}` + * - `(**|*.js)` + */ + +module.exports = function parseGlob(glob) { + if (cache.hasOwnProperty(glob)) { + return cache[glob]; + } + + var tok = {}; + tok.orig = glob; + tok.is = {}; + + // unescape dots and slashes in braces/brackets + glob = escape(glob); + + var parsed = findBase(glob); + tok.is.glob = parsed.isGlob; + + tok.glob = parsed.glob; + tok.base = parsed.base; + var segs = /([^\/]*)$/.exec(glob); + + tok.path = {}; + tok.path.dirname = ''; + tok.path.basename = segs[1] || ''; + tok.path.dirname = glob.split(tok.path.basename).join('') || ''; + var basename = (tok.path.basename || '').split('.') || ''; + tok.path.filename = basename[0] || ''; + tok.path.extname = basename.slice(1).join('.') || ''; + tok.path.ext = ''; + + if (isGlob(tok.path.dirname) && !tok.path.basename) { + if (!/\/$/.test(tok.glob)) { + tok.path.basename = tok.glob; + } + tok.path.dirname = tok.base; + } + + if (glob.indexOf('/') === -1 && !tok.is.globstar) { + tok.path.dirname = ''; + tok.path.basename = tok.orig; + } + + var dot = tok.path.basename.indexOf('.'); + if (dot !== -1) { + tok.path.filename = tok.path.basename.slice(0, dot); + tok.path.extname = tok.path.basename.slice(dot); + } + + if (tok.path.extname.charAt(0) === '.') { + var exts = tok.path.extname.split('.'); + tok.path.ext = exts[exts.length - 1]; + } + + // unescape dots and slashes in braces/brackets + tok.glob = unescape(tok.glob); + tok.path.dirname = unescape(tok.path.dirname); + tok.path.basename = unescape(tok.path.basename); + tok.path.filename = unescape(tok.path.filename); + tok.path.extname = unescape(tok.path.extname); + + // Booleans + var is = (glob && tok.is.glob); + tok.is.negated = glob && glob.charAt(0) === '!'; + tok.is.extglob = glob && extglob(glob); + tok.is.braces = has(is, glob, '{'); + tok.is.brackets = has(is, glob, '[:'); + tok.is.globstar = has(is, glob, '**'); + tok.is.dotfile = dotfile(tok.path.basename) || dotfile(tok.path.filename); + tok.is.dotdir = dotdir(tok.path.dirname); + return (cache[glob] = tok); +} + +/** + * Returns true if the glob matches dot-directories. + * + * @param {Object} `tok` The tokens object + * @param {Object} `path` The path object + * @return {Object} + */ + +function dotdir(base) { + if (base.indexOf('/.') !== -1) { + return true; + } + if (base.charAt(0) === '.' && base.charAt(1) !== '/') { + return true; + } + return false; +} + +/** + * Returns true if the pattern has the given `ch`aracter(s) + * + * @param {Object} `glob` The glob pattern. + * @param {Object} `ch` The character to test for + * @return {Object} + */ + +function has(is, glob, ch) { + return is && glob.indexOf(ch) !== -1; +} + +/** + * Escape/unescape utils + */ + +function escape(str) { + var re = /\{([^{}]*?)}|\(([^()]*?)\)|\[([^\[\]]*?)\]/g; + return str.replace(re, function (outter, braces, parens, brackets) { + var inner = braces || parens || brackets; + if (!inner) { return outter; } + return outter.split(inner).join(esc(inner)); + }); +} + +function esc(str) { + str = str.split('/').join('__SLASH__'); + str = str.split('.').join('__DOT__'); + return str; +} + +function unescape(str) { + str = str.split('__SLASH__').join('/'); + str = str.split('__DOT__').join('.'); + return str; +} |