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/table-of-contents-node.ts
+++ b/src/js/workflow/nodes/table-of-contents-node.ts
@@ -0,0 +1,121 @@
+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 { WasmProvider } from '../../utils/wasm-provider.js';
+
+export class TableOfContentsNode extends BaseWorkflowNode {
+  readonly category = 'Organize & Manage' as const;
+  readonly icon = 'ph-list';
+  readonly description = 'Generate table of contents from bookmarks';
+
+  constructor() {
+    super('Table of Contents');
+    this.addInput('pdf', new ClassicPreset.Input(pdfSocket, 'PDF'));
+    this.addOutput('pdf', new ClassicPreset.Output(pdfSocket, 'PDF with TOC'));
+    this.addControl(
+      'title',
+      new ClassicPreset.InputControl('text', { initial: 'Table of Contents' })
+    );
+    this.addControl(
+      'fontSize',
+      new ClassicPreset.InputControl('number', { initial: 12 })
+    );
+    this.addControl(
+      'fontFamily',
+      new ClassicPreset.InputControl('number', { initial: 0 })
+    );
+    this.addControl(
+      'addBookmark',
+      new ClassicPreset.InputControl('text', { initial: 'true' })
+    );
+  }
+
+  async data(
+    inputs: Record<string, SocketData[]>
+  ): Promise<Record<string, SocketData>> {
+    const pdfInputs = requirePdfInput(inputs, 'Table of Contents');
+
+    const titleCtrl = this.controls['title'] as
+      | ClassicPreset.InputControl<'text'>
+      | undefined;
+    const fontSizeCtrl = this.controls['fontSize'] as
+      | ClassicPreset.InputControl<'number'>
+      | undefined;
+    const fontFamilyCtrl = this.controls['fontFamily'] as
+      | ClassicPreset.InputControl<'number'>
+      | undefined;
+    const addBookmarkCtrl = this.controls['addBookmark'] as
+      | ClassicPreset.InputControl<'text'>
+      | undefined;
+
+    const title = titleCtrl?.value ?? 'Table of Contents';
+    const fontSize = fontSizeCtrl?.value ?? 12;
+    const fontFamily = fontFamilyCtrl?.value ?? 0;
+    const addBookmark = (addBookmarkCtrl?.value ?? 'true') === 'true';
+
+    const cpdfUrl = WasmProvider.getUrl('cpdf');
+    if (!cpdfUrl)
+      throw new Error(
+        'CoherentPDF is not configured. Please configure it in Advanced Settings.'
+      );
+
+    return {
+      pdf: await processBatch(pdfInputs, async (input) => {
+        const resultBytes = await new Promise<Uint8Array>((resolve, reject) => {
+          const worker = new Worker(
+            import.meta.env.BASE_URL + 'workers/table-of-contents.worker.js'
+          );
+
+          worker.onmessage = (e: MessageEvent) => {
+            worker.terminate();
+            if (e.data.status === 'success') {
+              resolve(new Uint8Array(e.data.pdfBytes));
+            } else {
+              reject(
+                new Error(
+                  e.data.message || 'Failed to generate table of contents'
+                )
+              );
+            }
+          };
+
+          worker.onerror = (err) => {
+            worker.terminate();
+            reject(new Error('Worker error: ' + err.message));
+          };
+
+          const arrayBuffer = input.bytes.buffer.slice(
+            input.bytes.byteOffset,
+            input.bytes.byteOffset + input.bytes.byteLength
+          );
+
+          worker.postMessage(
+            {
+              command: 'generate-toc',
+              pdfData: arrayBuffer,
+              title,
+              fontSize,
+              fontFamily,
+              addBookmark,
+              cpdfUrl: cpdfUrl + 'coherentpdf.browser.min.js',
+            },
+            [arrayBuffer]
+          );
+        });
+
+        const bytes = new Uint8Array(resultBytes);
+        const document = await PDFDocument.load(bytes);
+
+        return {
+          type: 'pdf',
+          document,
+          bytes,
+          filename: input.filename.replace(/\.pdf$/i, '_toc.pdf'),
+        };
+      }),
+    };
+  }
+}