fix(files): fix getFilesPathsUnder methods that now return correct contents

Author: Itee

sources/file-system/files.js

@@ -11,6 +11,8 @@
 import fs   from 'fs'
 import {
     isArray,
+    isDirectoryPath,
+    isFilePath,
     isInvalidPath
 }           from 'itee-validators'
 import path from 'path'
@@ -22,9 +24,8 @@ function getPathsUnder ( directoryPath ) {
 /**
  * Allow to search all files under filePaths in a recursive way
  *
- * @param {Array.<string>|string} filePaths - The files paths where search files
+ * @param {Array.<string>|string} paths - The files paths where search files
  * @returns {Array} - The paths of finded files
- * @private
  */
 function getFilesPathsUnder ( paths ) {
 
@@ -36,20 +37,20 @@ function getFilesPathsUnder ( paths ) {
         const localPath = _paths[ pathIndex ]
 
         if ( isInvalidPath( localPath ) ) {
+
             console.error( `The path "${localPath}" is not valid !` )
-            continue
-        }
 
-        const stats = fs.statSync( localPath )
-        if ( stats.isFile() ) {
+        } else if ( isFilePath( localPath ) ) {
 
             files.push( localPath )
 
-        } else if ( stats.isDirectory() ) {
+        } else if ( isDirectoryPath( localPath ) ) {
 
             const subPaths      = getPathsUnder( localPath )
-            const subFilesPaths = subPaths.forEach( ( name ) => { getFilesPathsUnder( path.resolve( localPath, name ) ) } )
-            Array.prototype.push.apply( files, subFilesPaths )
+            const subFilesPaths = subPaths.map( ( subPath ) => { return getFilesPathsUnder( path.resolve( localPath, subPath ) ) } )
+            if ( subFilesPaths ) {
+                files = [].concat( ...subFilesPaths )
+            }
 
         } else {