package/package.json000644 001750 001750 0000001174 12500677067013034 0ustar00000000 000000 { "name": "commondir", "version": "1.0.1", "description": "compute the closest common parent for file paths", "main": "index.js", "dependencies": {}, "devDependencies": { "tape": "^3.5.0" }, "scripts": { "test": "tape test/*.js" }, "repository": { "type": "git", "url": "http://github.com/substack/node-commondir.git" }, "keywords": [ "common", "path", "directory", "file", "parent", "root" ], "author": { "name": "James Halliday", "email": "mail@substack.net", "url": "http://substack.net" }, "license": "MIT", "engine": { "node": ">=0.4" } } package/LICENSE000644 001750 001750 0000002125 12500673262011541 0ustar00000000 000000 The MIT License Copyright (c) 2013 James Halliday (mail@substack.net) Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.package/index.js000644 001750 001750 0000001442 12500674123012177 0ustar00000000 000000 var path = require('path'); module.exports = function (basedir, relfiles) { if (relfiles) { var files = relfiles.map(function (r) { return path.resolve(basedir, r); }); } else { var files = basedir; } var res = files.slice(1).reduce(function (ps, file) { if (!file.match(/^([A-Za-z]:)?\/|\\/)) { throw new Error('relative path without a basedir'); } var xs = file.split(/\/+|\\+/); for ( var i = 0; ps[i] === xs[i] && i < Math.min(ps.length, xs.length); i++ ); return ps.slice(0, i); }, files[0].split(/\/+|\\+/)); // Windows correctly handles paths with forward-slashes return res.length > 1 ? res.join('/') : '/' }; package/example/dir.js000644 001750 001750 0000000136 12500673410013276 0ustar00000000 000000 var commondir = require('../'); var dir = commondir(process.argv.slice(2)); console.log(dir); package/readme.markdown000644 001750 001750 0000001414 12500673633013537 0ustar00000000 000000 # commondir compute the closest common parent directory among an array of directories # example ``` js var commondir = require('commondir'); var dir = commondir(process.argv.slice(2)) console.log(dir); ``` output: ``` $ node dir.js /x/y/z /x/y /x/y/w/q /x/y $ node ../baz ../../foo/quux ./bizzy /foo ``` # methods ``` js var commondir = require('commondir'); ``` ## commondir(absolutePaths) Compute the closest common parent directory for an array `absolutePaths`. ## commondir(basedir, relativePaths) Compute the closest common parent directory for an array `relativePaths` which will be resolved for each `dir` in `relativePaths` according to: `path.resolve(basedir, dir)`. # install With [npm](https://npmjs.org) do: ``` npm install commondir ``` # license MIT package/test/dirs.js000644 001750 001750 0000002525 12500676726013026 0ustar00000000 000000 var test = require('tape'); var commondir = require('../'); test('common', function (t) { t.equal( commondir([ '/foo', '//foo/bar', '/foo//bar/baz' ]), '/foo' ); t.equal( commondir([ '/a/b/c', '/a/b', '/a/b/c/d/e' ]), '/a/b' ); t.equal( commondir([ '/x/y/z/w', '/xy/z', '/x/y/z' ]), '/' ); t.equal( commondir([ 'X:\\foo', 'X:\\\\foo\\bar', 'X://foo/bar/baz' ]), 'X:/foo' ); t.equal( commondir([ 'X:\\a\\b\\c', 'X:\\a\\b', 'X:\\a\\b\\c\\d\\e' ]), 'X:/a/b' ); t.equal( commondir([ 'X:\\x\\y\\z\\w', '\\\\xy\\z', '\\x\\y\\z' ]), '/' ); t.throws(function () { commondir([ '/x/y/z/w', 'qrs', '/x/y/z' ]); }); t.end(); }); test('base', function (t) { t.equal( commondir('/foo/bar', [ 'baz', './quux', '../bar/bazzy' ]), '/foo/bar' ); t.equal( commondir('/a/b', [ 'c', '../b/.', '../../a/b/e' ]), '/a/b' ); t.equal( commondir('/a/b/c', [ '..', '../d', '../../a/z/e' ]), '/a' ); t.equal( commondir('/foo/bar', [ 'baz', '.\\quux', '..\\bar\\bazzy' ]), '/foo/bar' ); // Tests including X:\ basedirs must wait until path.resolve supports // Windows-style paths, starting in Node.js v0.5.X t.end(); });