Bugfix for multiple callback inside async system like 'async' for nodejs

Author: joinsrl

ftpm-module.js

@@ -2,33 +2,38 @@ var ftpm = require('./lib/ftpm');
 
 var ftpmModule = {
 	installOsFont: function(fontName, cb) {
-		ftpm.callbackFunction = cb;
+		ftpm.callbackLink = cb;
 		ftpm.emit('runDriver', 'osfont', 'install', fontName);
 	},
 	uninstallOsFont: function(fontName, cb) {
 		fontName = fontName.toTitleCase();
-		ftpm.callbackFunction = cb;
+        ftpm.callbackAlreadyFired = false;
+		ftpm.callbackLink = cb;
 		if (existsSync(ftpm.path.getFontPath(ftpm.platform) + fontName.removeSpaces() + '.ftpm.ttf')) {
 			ftpm.emit('runDriver', 'osfont', 'uninstall', fontName);
 		}
 	},
 	listIntalledFonts: function(cb) {
-		ftpm.callbackFunction = cb;
+        ftpm.callbackAlreadyFired = false;
+		ftpm.callbackLink = cb;
 		ftpm.emit('runDriver', 'osfont', 'local', '');
 	},
 	downloadWebFont: function(fontName, fontPath, cb) {
-		ftpm.callbackFunction = cb;
+        ftpm.callbackAlreadyFired = false;
+		ftpm.callbackLink = cb;
 		ftpm.outputPath = fontPath;
 		ftpm.emit('runDriver', 'webfont', 'web', fontName);
 	},
 	getCssFont: function(fontName, fontPath, cb) {
-		ftpm.callbackFunction = cb;
+        ftpm.callbackAlreadyFired = false;
+		ftpm.callbackLink = cb;
 		ftpm.outputPath = fontPath;
 		ftpm.showContent = (!fontPath) ? true : false;
 		ftpm.emit('runDriver', 'cssfont', 'css', fontName);
 	},
 	getDataURI: function(fontName, fontPath, cb) {
-		ftpm.callbackFunction = cb;
+        ftpm.callbackAlreadyFired = false;
+		ftpm.callbackLink = cb;
 		ftpm.outputPath = fontPath;
 		ftpm.showContent = (!fontPath) ? true : false;
 		ftpm.emit('runDriver', 'cssfont', 'datauri', fontName);

lib/ftpm.js

@@ -11,7 +11,14 @@ ftpm = _.extend(ftpm, {
     platform: 	process.platform,
     file: 		require('./utils/file'),
     path: 		require('./utils/path'),
-	callbackFunction: function(type, msg) {},
+	callbackFunction: function(type, msg) {
+        if(!ftpm.callbackAlreadyFired) {
+            ftpm.callbackAlreadyFired = true;
+            ftpm.callbackLink(type, msg);
+        }
+    },
+    callbackLink: function (type, msg) {},
+    callbackAlreadyFired: false,
 	outputPath: false,
 	showContent:false
 });

package.json

@@ -1,6 +1,6 @@
 {
   "name": "ftpm-module",
-  "version": "0.0.6",
+  "version": "0.0.7",
   "description": "Porting of ftpm library can be used as a class within nodejs.",
   "main": "ftpm-module.js",
   "dependencies": {
@@ -32,13 +32,13 @@
     "fonts"
   ],
   "author": {
-    "name": "Marco Bicchi"
+    "name": "Marco Bicchi, Daniele Sassoli"
   },
   "license": "MIT",
   "bugs": {
     "url": "https://github.com/alanmastro/ftpm-module/issues"
   },
   "homepage": "https://github.com/alanmastro/ftpm-module",
-  "_id": "ftpm-module@0.0.6",
-  "_resolved": "https://github.com/alanmastro/ftpm-module/archive/0.0.6.tar.gz"
+  "_id": "ftpm-module@0.0.7",
+  "_resolved": "https://github.com/alanmastro/ftpm-module/archive/0.0.7.tar.gz"
 }