Remove a few eslint-disable statements in the web/ folder

These cases could be easily re-written to avoid having to disable ESLint rules.

web/generic_scripting.js

@@ -18,19 +18,13 @@ import { getPdfFilenameFromUrl } from "pdfjs-lib";
 async function docProperties(pdfDocument) {
   const url = "",
     baseUrl = url.split("#", 1)[0];
-  // eslint-disable-next-line prefer-const
+  const { info, metadata, contentDispositionFilename, contentLength } =
-  let { info, metadata, contentDispositionFilename, contentLength } =
     await pdfDocument.getMetadata();
 
-  if (!contentLength) {
-    const { length } = await pdfDocument.getDownloadInfo();
-    contentLength = length;
-  }
-
   return {
     ...info,
     baseURL: baseUrl,
-    filesize: contentLength,
+    filesize: contentLength || (await pdfDocument.getDownloadInfo()).length,
     filename: contentDispositionFilename || getPdfFilenameFromUrl(url),
     metadata: metadata?.getRaw(),
     authors: metadata?.get("dc:creator"),

web/pdf_find_controller.js

@@ -886,9 +886,8 @@ class PDFFindController {
       const { promise, resolve } = Promise.withResolvers();
       this._extractTextPromises[i] = promise;
 
-      // eslint-disable-next-line arrow-body-style
+      deferred = deferred.then(() =>
-      deferred = deferred.then(() => {
+        this._pdfDocument
-        return this._pdfDocument
           .getPage(i + 1)
           .then(pdfPage => pdfPage.getTextContent(textOptions))
           .then(
@@ -921,8 +920,8 @@ class PDFFindController {
               this._hasDiacritics[i] = false;
               resolve();
             }
+          )
       );
-      });
     }
   }
 

web/pdf_print_service.js

@@ -260,28 +260,26 @@ window.print = function () {
       ensureOverlay().then(function () {
         overlayManager.closeIfActive(dialog);
       });
-      return; // eslint-disable-line no-unsafe-finally
+    } else {
-    }
       const activeServiceOnEntry = activeService;
       activeService
         .renderPages()
-      .then(function () {
+        .then(() => activeServiceOnEntry.performPrint())
-        return activeServiceOnEntry.performPrint();
+        .catch(() => {
-      })
-      .catch(function () {
           // Ignore any error messages.
         })
-      .then(function () {
+        .then(() => {
           // aborts acts on the "active" print request, so we need to check
           // whether the print request (activeServiceOnEntry) is still active.
-        // Without the check, an unrelated print request (created after aborting
+          // Without the check, an unrelated print request (created after
-        // this print request while the pages were being generated) would be
+          // aborting this print request while the pages were being generated)
-        // aborted.
+          // would be aborted.
           if (activeServiceOnEntry.active) {
             abort();
           }
         });
     }
+  }
 };
 
 function dispatchEvent(eventType) {