Buid and package EmbedPDF.js using Github workflow

src/js/handlers/fileHandler.ts

@@ -23,6 +23,11 @@ import * as pdfjsLib from 'pdfjs-dist';
 
 pdfjsLib.GlobalWorkerOptions.workerSrc = new URL('pdfjs-dist/build/pdf.worker.min.mjs', import.meta.url).toString();
 
+const embedPdfWasmUrl = new URL(
+  'embedpdf-snippet/dist/pdfium.wasm',
+  import.meta.url
+).href;
+
 // Re-export rotation state utilities
 export { getRotationState, updateRotationState, resetRotationState, initializeRotationState } from '../utils/rotation-state.js';
 
@@ -821,6 +826,40 @@ export function setupFileInputHandler(toolId) {
           }
         };
       }
+    } else if (toolId === 'edit') {
+      const file = state.files[0];
+      if (!file) return;
+
+      const pdfWrapper = document.getElementById('embed-pdf-wrapper');
+      const pdfContainer = document.getElementById('embed-pdf-container');
+
+      if (!pdfContainer) return;
+
+      pdfContainer.textContent = ''; // Clear safely
+
+      if (state.currentPdfUrl) {
+        URL.revokeObjectURL(state.currentPdfUrl);
+      }
+      pdfWrapper.classList.remove('hidden');
+      const fileURL = URL.createObjectURL(file);
+      state.currentPdfUrl = fileURL;
+
+      const { default: EmbedPDF } = await import('embedpdf-snippet');
+      EmbedPDF.init({
+        type: 'container',
+        target: pdfContainer,
+        src: fileURL,
+        worker: true,
+        wasmUrl: embedPdfWasmUrl,
+      });
+
+      const backBtn = document.getElementById('back-to-grid');
+      const urlRevoker = () => {
+        URL.revokeObjectURL(fileURL);
+        state.currentPdfUrl = null;
+        backBtn.removeEventListener('click', urlRevoker);
+      };
+      backBtn.addEventListener('click', urlRevoker);
     }
   };