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+# upath v1.1.0
+
+[![Build Status](https://travis-ci.org/anodynos/upath.svg?branch=master)](https://travis-ci.org/anodynos/upath)
+[![Up to date Status](https://david-dm.org/anodynos/upath.png)](https://david-dm.org/anodynos/upath)
+
+A drop-in replacement / proxy to nodejs's `path` that:
+
+ * Replaces the windows `\` with the unix `/` in all string params & results. This has significant positives - see below.
+
+ * Adds **filename extensions** functions `addExt`, `trimExt`, `removeExt`, `changeExt`, and `defaultExt`.
+
+ * Add a `normalizeSafe` function to preserve any meaningful leading `./` & a `normalizeTrim` which additionally trims any useless ending `/`.
+
+ * Plus a helper `toUnix` that simply converts `\` to `/` and consolidates duplicates.
+
+**Useful note: these docs are actually auto generated from [specs](https://github.com/anodynos/upath/blob/master/source/spec/upath-spec.coffee), running on Linux.**
+
+Notes:
+
+ * `upath.sep` is set to `'/'` for seamless replacement (as of 1.0.3).
+
+ * upath has no runtime dependencies, except built-in `path` (as of 1.0.4)
+
+ * travis-ci tested in node versions 4 to 10
+
+## Why ?
+
+Normal `path` doesn't convert paths to a unified format (ie `/`) before calculating paths (`normalize`, `join`), which can lead to numerous problems.
+Also path joining, normalization etc on the two formats is not consistent, depending on where it runs. Running `path` on Windows yields different results than when it runs on Linux / Mac.
+
+In general, if you code your paths logic while developing on Unix/Mac and it runs on Windows, you may run into problems when using `path`.
+
+Note that using **Unix `/` on Windows** works perfectly inside nodejs (and other languages), so there's no reason to stick to the Windows legacy at all.
+
+##### Examples / specs
+
+
+Check out the different (improved) behavior to vanilla `path`:
+
+ `upath.normalize(path)` --returns-->
+
+ ✓ `'c:/windows/nodejs/path'` ---> `'c:/windows/nodejs/path'` // equal to `path.normalize()`
+ ✓ `'c:/windows/../nodejs/path'` ---> `'c:/nodejs/path'` // equal to `path.normalize()`
+ ✓ `'c:\\windows\\nodejs\\path'` ---> `'c:/windows/nodejs/path'` // `path.normalize()` gives `'c:\windows\nodejs\path'`
+ ✓ `'c:\\windows\\..\\nodejs\\path'` ---> `'c:/nodejs/path'` // `path.normalize()` gives `'c:\windows\..\nodejs\path'`
+ ✓ `'//windows\\unix/mixed'` ---> `'/windows/unix/mixed'` // `path.normalize()` gives `'/windows\unix/mixed'`
+ ✓ `'\\windows//unix/mixed'` ---> `'/windows/unix/mixed'` // `path.normalize()` gives `'\windows/unix/mixed'`
+ ✓ `'////\\windows\\..\\unix/mixed/'` ---> `'/unix/mixed/'` // `path.normalize()` gives `'/\windows\..\unix/mixed/'`
+
+
+Joining paths can also be a problem:
+
+ `upath.join(paths...)` --returns-->
+
+ ✓ `'some/nodejs/deep', '../path'` ---> `'some/nodejs/path'` // equal to `path.join()`
+ ✓ `'some/nodejs\\windows', '../path'` ---> `'some/nodejs/path'` // `path.join()` gives `'some/path'`
+ ✓ `'some\\windows\\only', '..\\path'` ---> `'some/windows/path'` // `path.join()` gives `'some\windows\only/..\path'`
+
+
+Parsing with `path.parse()` should also be consistent across OSes:
+
+ `upath.parse(path)` --returns-->
+
+ ✓ `'c:\Windows\Directory\somefile.ext'` ---> `{ root: '', dir: 'c:/Windows/Directory', base: 'somefile.ext', ext: '.ext', name: 'somefile' }`
+ // `path.parse()` gives `'{ root: '', dir: '', base: 'c:\\Windows\\Directory\\somefile.ext', ext: '.ext', name: 'c:\\Windows\\Directory\\somefile' }'`
+ ✓ `'/root/of/unix/somefile.ext'` ---> `{ root: '/', dir: '/root/of/unix', base: 'somefile.ext', ext: '.ext', name: 'somefile' }` // equal to `path.parse()`
+
+
+## Added functions
+
+
+#### `upath.toUnix(path)`
+
+Just converts all `` to `/` and consolidates duplicates, without performing any normalization.
+
+##### Examples / specs
+
+ `upath.toUnix(path)` --returns-->
+
+ ✓ `'.//windows\//unix//mixed////'` ---> `'./windows/unix/mixed/'`
+ ✓ `'..///windows\..\\unix/mixed'` ---> `'../windows/../unix/mixed'`
+
+
+#### `upath.normalizeSafe(path)`
+
+Exactly like `path.normalize(path)`, but it keeps the first meaningful `./`.
+
+Note that the unix `/` is returned everywhere, so windows `\` is always converted to unix `/`.
+
+##### Examples / specs & how it differs from vanilla `path`
+
+ `upath.normalizeSafe(path)` --returns-->
+
+ ✓ `''` ---> `'.'` // equal to `path.normalize()`
+ ✓ `'.'` ---> `'.'` // equal to `path.normalize()`
+ ✓ `'./'` ---> `'./'` // equal to `path.normalize()`
+ ✓ `'.//'` ---> `'./'` // equal to `path.normalize()`
+ ✓ `'.\\'` ---> `'./'` // `path.normalize()` gives `'.\'`
+ ✓ `'.\\//'` ---> `'./'` // `path.normalize()` gives `'.\/'`
+ ✓ `'./..'` ---> `'..'` // equal to `path.normalize()`
+ ✓ `'.//..'` ---> `'..'` // equal to `path.normalize()`
+ ✓ `'./../'` ---> `'../'` // equal to `path.normalize()`
+ ✓ `'.\\..\\'` ---> `'../'` // `path.normalize()` gives `'.\..\'`
+ ✓ `'./../dep'` ---> `'../dep'` // equal to `path.normalize()`
+ ✓ `'../dep'` ---> `'../dep'` // equal to `path.normalize()`
+ ✓ `'../path/dep'` ---> `'../path/dep'` // equal to `path.normalize()`
+ ✓ `'../path/../dep'` ---> `'../dep'` // equal to `path.normalize()`
+ ✓ `'dep'` ---> `'dep'` // equal to `path.normalize()`
+ ✓ `'path//dep'` ---> `'path/dep'` // equal to `path.normalize()`
+ ✓ `'./dep'` ---> `'./dep'` // `path.normalize()` gives `'dep'`
+ ✓ `'./path/dep'` ---> `'./path/dep'` // `path.normalize()` gives `'path/dep'`
+ ✓ `'./path/../dep'` ---> `'./dep'` // `path.normalize()` gives `'dep'`
+ ✓ `'.//windows\\unix/mixed/'` ---> `'./windows/unix/mixed/'` // `path.normalize()` gives `'windows\unix/mixed/'`
+ ✓ `'..//windows\\unix/mixed'` ---> `'../windows/unix/mixed'` // `path.normalize()` gives `'../windows\unix/mixed'`
+ ✓ `'windows\\unix/mixed/'` ---> `'windows/unix/mixed/'` // `path.normalize()` gives `'windows\unix/mixed/'`
+ ✓ `'..//windows\\..\\unix/mixed'` ---> `'../unix/mixed'` // `path.normalize()` gives `'../windows\..\unix/mixed'`
+
+
+#### `upath.normalizeTrim(path)`
+
+Exactly like `path.normalizeSafe(path)`, but it trims any useless ending `/`.
+
+##### Examples / specs
+
+ `upath.normalizeTrim(path)` --returns-->
+
+ ✓ `'./'` ---> `'.'` // `upath.normalizeSafe()` gives `'./'`
+ ✓ `'./../'` ---> `'..'` // `upath.normalizeSafe()` gives `'../'`
+ ✓ `'./../dep/'` ---> `'../dep'` // `upath.normalizeSafe()` gives `'../dep/'`
+ ✓ `'path//dep\\'` ---> `'path/dep'` // `upath.normalizeSafe()` gives `'path/dep/'`
+ ✓ `'.//windows\\unix/mixed/'` ---> `'./windows/unix/mixed'` // `upath.normalizeSafe()` gives `'./windows/unix/mixed/'`
+
+
+#### `upath.joinSafe([path1][, path2][, ...])`
+
+Exactly like `path.join()`, but it keeps the first meaningful `./`.
+
+Note that the unix `/` is returned everywhere, so windows `\` is always converted to unix `/`.
+
+##### Examples / specs & how it differs from vanilla `path`
+
+ `upath.joinSafe(path)` --returns-->
+
+ ✓ `'some/nodejs/deep', '../path'` ---> `'some/nodejs/path'` // equal to `path.join()`
+ ✓ `'./some/local/unix/', '../path'` ---> `'./some/local/path'` // `path.join()` gives `'some/local/path'`
+ ✓ `'./some\\current\\mixed', '..\\path'` ---> `'./some/current/path'` // `path.join()` gives `'some\current\mixed/..\path'`
+ ✓ `'../some/relative/destination', '..\\path'` ---> `'../some/relative/path'` // `path.join()` gives `'../some/relative/destination/..\path'`
+
+
+## Added functions for *filename extension* manipulation.
+
+**Happy notes:**
+
+ In all functions you can:
+
+ * use both `.ext` & `ext` - the dot `.` on the extension is always adjusted correctly.
+
+ * omit the `ext` param (pass null/undefined/empty string) and the common sense thing will happen.
+
+ * ignore specific extensions from being considered as valid ones (eg `.min`, `.dev` `.aLongExtIsNotAnExt` etc), hence no trimming or replacement takes place on them.
+
+
+
+#### `upath.addExt(filename, [ext])`
+
+Adds `.ext` to `filename`, but only if it doesn't already have the exact extension.
+
+##### Examples / specs
+
+ `upath.addExt(filename, 'js')` --returns-->
+
+ ✓ `'myfile/addExt'` ---> `'myfile/addExt.js'`
+ ✓ `'myfile/addExt.txt'` ---> `'myfile/addExt.txt.js'`
+ ✓ `'myfile/addExt.js'` ---> `'myfile/addExt.js'`
+ ✓ `'myfile/addExt.min.'` ---> `'myfile/addExt.min..js'`
+
+
+It adds nothing if no `ext` param is passed.
+
+ `upath.addExt(filename)` --returns-->
+
+ ✓ `'myfile/addExt'` ---> `'myfile/addExt'`
+ ✓ `'myfile/addExt.txt'` ---> `'myfile/addExt.txt'`
+ ✓ `'myfile/addExt.js'` ---> `'myfile/addExt.js'`
+ ✓ `'myfile/addExt.min.'` ---> `'myfile/addExt.min.'`
+
+
+#### `upath.trimExt(filename, [ignoreExts], [maxSize=7])`
+
+Trims a filename's extension.
+
+ * Extensions are considered to be up to `maxSize` chars long, counting the dot (defaults to 7).
+
+ * An `Array` of `ignoreExts` (eg `['.min']`) prevents these from being considered as extension, thus are not trimmed.
+
+##### Examples / specs
+
+ `upath.trimExt(filename)` --returns-->
+
+ ✓ `'my/trimedExt.txt'` ---> `'my/trimedExt'`
+ ✓ `'my/trimedExt'` ---> `'my/trimedExt'`
+ ✓ `'my/trimedExt.min'` ---> `'my/trimedExt'`
+ ✓ `'my/trimedExt.min.js'` ---> `'my/trimedExt.min'`
+ ✓ `'../my/trimedExt.longExt'` ---> `'../my/trimedExt.longExt'`
+
+
+It is ignoring `.min` & `.dev` as extensions, and considers exts with up to 8 chars.
+
+ `upath.removeExt(filename, ['min', '.dev'], 8)` --returns-->
+
+ ✓ `'my/trimedExt.txt'` ---> `'my/trimedExt'`
+ ✓ `'my/trimedExt.min'` ---> `'my/trimedExt.min'`
+ ✓ `'my/trimedExt.dev'` ---> `'my/trimedExt.dev'`
+ ✓ `'../my/trimedExt.longExt'` ---> `'../my/trimedExt'`
+ ✓ `'../my/trimedExt.longRExt'` ---> `'../my/trimedExt.longRExt'`
+
+
+#### `upath.removeExt(filename, ext)`
+
+Removes the specific `ext` extension from filename, if it has it. Otherwise it leaves it as is.
+As in all upath functions, it be `.ext` or `ext`.
+
+##### Examples / specs
+
+ `upath.removeExt(filename, '.js')` --returns-->
+
+ ✓ `'removedExt.js'` ---> `'removedExt'`
+ ✓ `'removedExt.txt.js'` ---> `'removedExt.txt'`
+ ✓ `'notRemoved.txt'` ---> `'notRemoved.txt'`
+
+
+#### `upath.changeExt(filename, [ext], [ignoreExts], [maxSize=7])`
+
+Changes a filename's extension to `ext`. If it has no (valid) extension, it adds it.
+
+ * Valid extensions are considered to be up to `maxSize` chars long, counting the dot (defaults to 7).
+
+ * An `Array` of `ignoreExts` (eg `['.min']`) prevents these from being considered as extension, thus are not changed - the new extension is added instead.
+
+##### Examples / specs
+
+ `upath.changeExt(filename, '.js')` --returns-->
+
+ ✓ `'my/module.min'` ---> `'my/module.js'`
+ ✓ `'my/module.coffee'` ---> `'my/module.js'`
+ ✓ `'my/module'` ---> `'my/module.js'`
+ ✓ `'file/withDot.'` ---> `'file/withDot.js'`
+ ✓ `'file/change.longExt'` ---> `'file/change.longExt.js'`
+
+
+If no `ext` param is given, it trims the current extension (if any).
+
+ `upath.changeExt(filename)` --returns-->
+
+ ✓ `'my/module.min'` ---> `'my/module'`
+ ✓ `'my/module.coffee'` ---> `'my/module'`
+ ✓ `'my/module'` ---> `'my/module'`
+ ✓ `'file/withDot.'` ---> `'file/withDot'`
+ ✓ `'file/change.longExt'` ---> `'file/change.longExt'`
+
+
+It is ignoring `.min` & `.dev` as extensions, and considers exts with up to 8 chars.
+
+ `upath.changeExt(filename, 'js', ['min', '.dev'], 8)` --returns-->
+
+ ✓ `'my/module.coffee'` ---> `'my/module.js'`
+ ✓ `'file/notValidExt.min'` ---> `'file/notValidExt.min.js'`
+ ✓ `'file/notValidExt.dev'` ---> `'file/notValidExt.dev.js'`
+ ✓ `'file/change.longExt'` ---> `'file/change.js'`
+ ✓ `'file/change.longRExt'` ---> `'file/change.longRExt.js'`
+
+
+#### `upath.defaultExt(filename, [ext], [ignoreExts], [maxSize=7])`
+
+Adds `.ext` to `filename`, only if it doesn't already have _any_ *old* extension.
+
+ * (Old) extensions are considered to be up to `maxSize` chars long, counting the dot (defaults to 7).
+
+ * An `Array` of `ignoreExts` (eg `['.min']`) will force adding default `.ext` even if one of these is present.
+
+##### Examples / specs
+
+ `upath.defaultExt(filename, 'js')` --returns-->
+
+ ✓ `'fileWith/defaultExt'` ---> `'fileWith/defaultExt.js'`
+ ✓ `'fileWith/defaultExt.js'` ---> `'fileWith/defaultExt.js'`
+ ✓ `'fileWith/defaultExt.min'` ---> `'fileWith/defaultExt.min'`
+ ✓ `'fileWith/defaultExt.longExt'` ---> `'fileWith/defaultExt.longExt.js'`
+
+
+If no `ext` param is passed, it leaves filename intact.
+
+ `upath.defaultExt(filename)` --returns-->
+
+ ✓ `'fileWith/defaultExt'` ---> `'fileWith/defaultExt'`
+ ✓ `'fileWith/defaultExt.js'` ---> `'fileWith/defaultExt.js'`
+ ✓ `'fileWith/defaultExt.min'` ---> `'fileWith/defaultExt.min'`
+ ✓ `'fileWith/defaultExt.longExt'` ---> `'fileWith/defaultExt.longExt'`
+
+
+It is ignoring `.min` & `.dev` as extensions, and considers exts with up to 8 chars.
+
+ `upath.defaultExt(filename, 'js', ['min', '.dev'], 8)` --returns-->
+
+ ✓ `'fileWith/defaultExt'` ---> `'fileWith/defaultExt.js'`
+ ✓ `'fileWith/defaultExt.min'` ---> `'fileWith/defaultExt.min.js'`
+ ✓ `'fileWith/defaultExt.dev'` ---> `'fileWith/defaultExt.dev.js'`
+ ✓ `'fileWith/defaultExt.longExt'` ---> `'fileWith/defaultExt.longExt'`
+ ✓ `'fileWith/defaultExt.longRext'` ---> `'fileWith/defaultExt.longRext.js'`
+
+
+Copyright(c) 2014-2017 Angelos Pikoulas ([email protected])
+
+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.
+
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