remove upath dependency because of unintended introduction breaking changes (#154)

Author: bj00rn

package.json

@@ -30,7 +30,6 @@
     "mocha": "^3.0.2",
     "power-assert": "^1.4.1",
     "rimraf": "^2.4.3",
-    "upath": "^1.1.0",
     "uuid": "^3.3.2"
   },
   "scripts": {

src/index.js

@@ -4,7 +4,7 @@
  * See the accompanying LICENSE file for terms.
  */
 
-import * as p from 'upath';
+import * as p from 'path';
 import {writeFileSync} from 'fs';
 import {sync as mkdirpSync} from 'mkdirp';
 import printICUMessage from './print-icu-message';
@@ -152,7 +152,7 @@ export default function ({types: t}) {
         let loc;
         if (opts.extractSourceLocation) {
             loc = {
-                file: p.toUnix(p.relative(process.cwd(), file.opts.filename)),
+                file: p.relative(process.cwd(), file.opts.filename),
                 ...path.node.loc,
             };
         }

yarn.lock

@@ -2991,7 +2991,7 @@ unset-value@^1.0.0:
     has-value "^0.3.1"
     isobject "^3.0.0"
 
-upath@^1.0.5, upath@^1.1.0:
+upath@^1.0.5:
   version "1.1.0"
   resolved "https://registry.yarnpkg.com/upath/-/upath-1.1.0.tgz#35256597e46a581db4793d0ce47fa9aebfc9fabd"