fix(smartfs): replace smartfile with smartfs, update file reading to use SmartFs, remove GraphicsMagick/Ghostscript dependency checks, bump dev and runtime dependencies, update tests and docs, and adjust npmextra configuration

ts/smartpdf.classes.smartpdf.ts

@@ -3,8 +3,6 @@ import * as paths from './smartpdf.paths.js';
 import { Server } from 'http';
 import { PdfCandidate } from './smartpdf.classes.pdfcandidate.js';
 import { type IPdf } from '@tsclass/tsclass/dist_ts/business/pdf.js';
-import { execFile } from 'child_process';
-
 declare const document: any;
 
 export interface ISmartPdfOptions {
@@ -272,7 +270,9 @@ export class SmartPdf {
   public async readFileToPdfObject(pathArg: string): Promise<plugins.tsclass.business.IPdf> {
     const absolutePath = plugins.smartpath.transform.makeAbsolute(pathArg);
     const parsedPath = plugins.path.parse(absolutePath);
-    const buffer = await plugins.smartfile.fs.toBuffer(absolutePath);
+    const smartfsInstance = new plugins.smartfs.SmartFs(new plugins.smartfs.SmartFsProviderNode());
+    const fileContent = await smartfsInstance.file(absolutePath).read();
+    const buffer = Buffer.from(fileContent);
     return {
       name: parsedPath.base,
       buffer,
@@ -299,31 +299,6 @@ export class SmartPdf {
     return deferred.promise;
   }
 
-  /**
-   * Checks for the presence of required dependencies: GraphicsMagick and Ghostscript.
-   */
-  private async checkDependencies(): Promise<void> {
-    await Promise.all([
-      this.checkCommandExists('gm', ['version']),
-      this.checkCommandExists('gs', ['--version']),
-    ]);
-  }
-
-  /**
-   * Checks if a given command exists by trying to execute it.
-   */
-  private checkCommandExists(command: string, args: string[]): Promise<void> {
-    return new Promise((resolve, reject) => {
-      execFile(command, args, (error, stdout, stderr) => {
-        if (error) {
-          reject(new Error(`Dependency check failed: ${command} is not installed or not in the PATH. ${error.message}`));
-        } else {
-          resolve();
-        }
-      });
-    });
-  }
-
   /**
    * Converts a PDF to PNG bytes for each page using Puppeteer and PDF.js.
    * This method creates a temporary HTML page that loads PDF.js from a CDN,