Toolbox => Add some files functions

helpers/Toolbox.ts

+import fs   from 'fs/promises';
+import path from 'path';
+
+
 class Toolbox {
     public urlToPath(url: string): string {
         return url.replace(/^([a-z]{3,5}:\/{2})?[a-z.@]+(:[0-9]{1,5})?.(.*)/, '$3').replace('.git', '');
     }
+
+    /*
+     Source of getAllFiles and getTotalSize (modified for this project): https://coderrocketfuel.com/article/get-the-total-size-of-all-files-in-a-directory-using-node-js
+     */
+    private async getAllFiles(dirPath: string, arrayOfFiles: Array<string> = []): Promise<Array<string>> {
+        let files = await fs.readdir(dirPath);
+
+        await Promise.all(files.map(async file => {
+            if ( (await fs.stat(dirPath + '/' + file)).isDirectory() ) {
+                arrayOfFiles = await this.getAllFiles(dirPath + '/' + file, arrayOfFiles);
+            } else {
+                arrayOfFiles.push(path.join(dirPath, file));
+            }
+        }));
+
+        return arrayOfFiles;
+    };
+
+    private async getTotalSize(directoryPath: string): Promise<number> {
+        const arrayOfFiles = await this.getAllFiles(directoryPath);
+
+        let totalSize = 0;
+
+        for ( const filePath of arrayOfFiles ) {
+            totalSize += (await fs.stat(filePath)).size;
+        }
+
+        return totalSize;
+    };
+
+    get fs() {
+        return {
+            getAllFiles : this.getAllFiles.bind(this),
+            getTotalSize: this.getTotalSize.bind(this)
+        };
+    }
 }