[haxe] fixes for windows compatibility

haxetool/sdk.js

@@ -1,4 +1,5 @@
 const os = require('os');
+const path = require('path');
 const fs = require('fs');
 const ps = require('promise-streams');
 const got = require('got');
@@ -41,11 +42,11 @@ class Sdk {
     }
 
     static get dir() {
-        return Sdk._dir || `${os.homedir()}/sdk`;
+        return Sdk._dir || path.join(os.homedir(), 'sdk');
     }
 
     static path(name, version) {
-        return `${this.dir}/${name}/${version}`;
+        return path.join(this.dir, name, version);
     }
 
     constructor(name, version) {
@@ -85,14 +86,13 @@ class Sdk {
             let stream = got.stream(this.link);
             stream = stream.on('downloadProgress', (p) => bar.update(p.percent));
             if (this.link.endsWith('.zip')) {
-                const sep = '/';
                 stream = stream.pipe(unzip.Parse()).on('entry', (entry) => {
-                    const filePath = entry.path.split(sep).slice(1).join(sep);
+                    const filePath = entry.path.split('/').slice(1).join(path.sep);
                     if (filePath.length > 0) {
                         if (entry.type === 'Directory') {
-                            mkdirp(this.path + sep + filePath);
+                            mkdirp(path.join(this.path, path.normalize(filePath)));
                         } else if (entry.type === 'File') {
-                            entry.pipe(fs.createWriteStream(this.path + sep + filePath));
+                            entry.pipe(fs.createWriteStream(path.join(this.path, path.normalize(filePath))));
                         }
                     } else {
                         entry.autodrain();