feat: Async spawn (#1)

README.md

@@ -1,5 +1,7 @@
 # windows-shortcut-maker
-Native and lightweight module to make file shortcuts on Windows using Node.js
+Native and lightweight module to make file shortcuts on Windows using Node.js.
+
+Based on https://github.com/phtdacosta/windows-shortcut-maker.
 
 [![npm](https://img.shields.io/npm/dy/windows-shortcut-maker.svg)](https://www.npmjs.com/package/windows-shortcut-maker)
 [![npm version](https://badge.fury.io/js/windows-shortcut-maker.svg)](https://badge.fury.io/js/windows-shortcut-maker)
@@ -35,6 +37,13 @@ try {
 } catch (error) {
     console.log(error)
 }
+
+// It asynchronously creates a "GIMP" shortcut file in the desktop
+sm
+    .make(options)
+    .catch((error) => {
+        console.log(error)
+    }
 ```
 
 # Documentation
@@ -48,6 +57,8 @@ try {
 
 **Optional:** **`options.lnkName`** is the name given for the new shortcut file which obeys the same name rules as a regular file does.
 
+**Optional:** **`options.force`** create the shortcut even if the original file cannot be found.
+
 **Optional:** **`options.lnkArgs`** are the arguments passed to the original file when the new shortcut is executed.
 
 **Optional:** **`options.lnkDes`** is the description message shown when the cursor stands over the new shortcut without clicking it.
@@ -64,6 +75,5 @@ try {
 This project exists under the [GPL-3.0 license](https://github.com/phtdacosta/windows-shortcut-maker/blob/master/LICENSE).
 
 # Development
-1. Add an **asynchronous** function version of `makeSync`.
-2. Let developers to make shortcuts anywhere.
-3. Add support for making internet shortcuts.   
+1. Let developers to make shortcuts anywhere.
+2. Add support for making internet shortcuts.

index.js

@@ -11,17 +11,17 @@ const getName = (path) => {
 }
 
 const makeSync = (options) => {
-    if (fs.existsSync(options.filepath) === false) return new Error('File "'+ options.filepath +'" does not exist')
+    if (options.force || fs.existsSync(options.filepath) === false) return new Error('File "'+ options.filepath +'" does not exist')
     const rawName = getName(options.filepath).split('.')[0]
     if (isString(options.lnkName) === false) options.lnkName = rawName
     if (isString(options.lnkArgs) === false) options.lnkArgs = ''
     if (isString(options.lnkDes) === false) options.lnkDes = rawName
     if (isString(options.lnkCwd) === false) options.lnkCwd = ''
-    if (isString(options.lnkIco) === false) options.lnkIco = filepath
+    if (isString(options.lnkIco) === false) options.lnkIco = options.filepath
     if (isString(options.lnkWin) === false) options.lnkWin = 4
     if (isString(options.lnkHtk) === false) options.lnkHtk = ''
     child_process.spawnSync(
-        'wscript', 
+        'wscript',
         [__dirname + '\\scripts\\lnk.vbs',
         options.filepath,
         options.lnkName,
@@ -35,6 +35,42 @@ const makeSync = (options) => {
     )
 }
 
+const make = (options) => {
+    return new Promise((resolve, reject) => {
+        return fs.exists(options.filepath, exists => {
+            return exists || options.force ? resolve() : reject(new Error('File "'+ options.filepath +'" does not exist'));
+        });
+    }).then(() => {
+        const rawName = getName(options.filepath).split('.')[0]
+        if (isString(options.lnkName) === false) options.lnkName = rawName
+        if (isString(options.lnkArgs) === false) options.lnkArgs = ''
+        if (isString(options.lnkDes) === false) options.lnkDes = rawName
+        if (isString(options.lnkCwd) === false) options.lnkCwd = ''
+        if (isString(options.lnkIco) === false) options.lnkIco = options.filepath
+        if (isString(options.lnkWin) === false) options.lnkWin = 4
+        if (isString(options.lnkHtk) === false) options.lnkHtk = ''
+
+        return new Promise((resolve, reject) => {
+            child_process.spawn(
+                'wscript',
+                [__dirname + '\\scripts\\lnk.vbs',
+                options.filepath,
+                options.lnkName,
+                options.lnkArgs,
+                options.lnkDes,
+                options.lnkCwd,
+                options.lnkIco,
+                options.lnkWin,
+                options.lnkHtk
+                ],
+            )
+            .on('error', error => reject(error))
+            .on('exit', () => resolve())
+        });
+    });
+}
+
 module.exports = {
+    make: make,
     makeSync: makeSync
-}
+}