Add visual workflow builder, fix critical bugs, and add Arabic i18n support

2026-02-08 17:05:40 +05:30
parent 36ebb3b429
commit 5d8b83e105
118 changed files with 14151 additions and 2357 deletions
--- a/src/js/workflow/nodes/compress-node.ts
+++ b/src/js/workflow/nodes/compress-node.ts
@@ -0,0 +1,129 @@
+import { ClassicPreset } from 'rete';
+import { BaseWorkflowNode } from './base-node';
+import { pdfSocket } from '../sockets';
+import type { SocketData } from '../types';
+import { requirePdfInput, processBatch } from '../types';
+import { PDFDocument } from 'pdf-lib';
+import {
+  performCondenseCompression,
+  performPhotonCompression,
+} from '../../utils/compress.js';
+import type { CondenseCustomSettings } from '../../utils/compress.js';
+import { isPyMuPDFAvailable } from '../../utils/pymupdf-loader.js';
+
+export class CompressNode extends BaseWorkflowNode {
+  readonly category = 'Optimize & Repair' as const;
+  readonly icon = 'ph-lightning';
+  readonly description = 'Reduce PDF file size';
+
+  constructor() {
+    super('Compress');
+    this.addInput('pdf', new ClassicPreset.Input(pdfSocket, 'PDF'));
+    this.addOutput(
+      'pdf',
+      new ClassicPreset.Output(pdfSocket, 'Compressed PDF')
+    );
+    this.addControl(
+      'algorithm',
+      new ClassicPreset.InputControl('text', { initial: 'condense' })
+    );
+    this.addControl(
+      'compressionLevel',
+      new ClassicPreset.InputControl('text', { initial: 'balanced' })
+    );
+    this.addControl(
+      'imageQuality',
+      new ClassicPreset.InputControl('number', { initial: 75 })
+    );
+    this.addControl(
+      'dpiTarget',
+      new ClassicPreset.InputControl('number', { initial: 96 })
+    );
+    this.addControl(
+      'dpiThreshold',
+      new ClassicPreset.InputControl('number', { initial: 150 })
+    );
+    this.addControl(
+      'removeMetadata',
+      new ClassicPreset.InputControl('text', { initial: 'true' })
+    );
+    this.addControl(
+      'subsetFonts',
+      new ClassicPreset.InputControl('text', { initial: 'true' })
+    );
+    this.addControl(
+      'convertToGrayscale',
+      new ClassicPreset.InputControl('text', { initial: 'false' })
+    );
+    this.addControl(
+      'removeThumbnails',
+      new ClassicPreset.InputControl('text', { initial: 'true' })
+    );
+  }
+
+  private getTextControl(key: string, fallback: string): string {
+    const ctrl = this.controls[key] as
+      | ClassicPreset.InputControl<'text'>
+      | undefined;
+    return ctrl?.value ?? fallback;
+  }
+
+  private getNumberControl(key: string, fallback: number): number {
+    const ctrl = this.controls[key] as
+      | ClassicPreset.InputControl<'number'>
+      | undefined;
+    return ctrl?.value ?? fallback;
+  }
+
+  async data(
+    inputs: Record<string, SocketData[]>
+  ): Promise<Record<string, SocketData>> {
+    const pdfInputs = requirePdfInput(inputs, 'Compress');
+
+    const algorithm = this.getTextControl('algorithm', 'condense');
+    const level = this.getTextControl('compressionLevel', 'balanced');
+    const customSettings: CondenseCustomSettings = {
+      imageQuality: this.getNumberControl('imageQuality', 75),
+      dpiTarget: this.getNumberControl('dpiTarget', 96),
+      dpiThreshold: this.getNumberControl('dpiThreshold', 150),
+      removeMetadata: this.getTextControl('removeMetadata', 'true') === 'true',
+      subsetFonts: this.getTextControl('subsetFonts', 'true') === 'true',
+      convertToGrayscale:
+        this.getTextControl('convertToGrayscale', 'false') === 'true',
+      removeThumbnails:
+        this.getTextControl('removeThumbnails', 'true') === 'true',
+    };
+
+    return {
+      pdf: await processBatch(pdfInputs, async (input) => {
+        const arrayBuffer = input.bytes.buffer.slice(
+          input.bytes.byteOffset,
+          input.bytes.byteOffset + input.bytes.byteLength
+        ) as ArrayBuffer;
+
+        let pdfBytes: Uint8Array;
+
+        if (algorithm === 'condense' && isPyMuPDFAvailable()) {
+          const blob = new Blob([arrayBuffer], { type: 'application/pdf' });
+          const result = await performCondenseCompression(
+            blob,
+            level,
+            customSettings
+          );
+          pdfBytes = new Uint8Array(await result.blob.arrayBuffer());
+        } else {
+          pdfBytes = await performPhotonCompression(arrayBuffer, level);
+        }
+
+        const document = await PDFDocument.load(pdfBytes);
+
+        return {
+          type: 'pdf',
+          document,
+          bytes: pdfBytes,
+          filename: input.filename.replace(/\.pdf$/i, '_compressed.pdf'),
+        };
+      }),
+    };
+  }
+}