From 6d78e745f2a41ba90c5b9eb261b353feb2e2560e Mon Sep 17 00:00:00 2001
From: Argo Zhang <argo@live.ca>
Date: Thu, 18 Dec 2025 12:06:01 +0800
Subject: [PATCH 1/2] feat(PdfReader): getFileSize support stream

---
 .../PdfReader.razor.js                          | 17 +++++++++++++----
 1 file changed, 13 insertions(+), 4 deletions(-)

diff --git a/src/components/BootstrapBlazor.PdfReader/PdfReader.razor.js b/src/components/BootstrapBlazor.PdfReader/PdfReader.razor.js
index 81f6a463..a0496dc8 100644
--- a/src/components/BootstrapBlazor.PdfReader/PdfReader.razor.js
+++ b/src/components/BootstrapBlazor.PdfReader/PdfReader.razor.js
@@ -155,6 +155,9 @@ const loadPdf = async pdf => {
     pdfViewer.setDocument(pdfDocument);
 
     pdfDocument.getMetadata().then(metadata => {
+        if (metadata.contentLength === null) {
+            metadata.contentLength = options.data.length;
+        }
         loadMetadata(el, pdfViewer, metadata);
     });
 
@@ -293,18 +296,24 @@ function parsePdfDate(pdfDateString) {
 
 const getFilesize = metadata => {
     const length = metadata.contentLength;
+    let val = 0;
+    let unit = 'B';
     if (length < 1024) {
-        return `${Math.round(length)}B`;
+        val = length;
     }
     else if (length < 1024 * 1024) {
-        return `${Math.round(length / 1024)}KB`;
+        unit = 'KB';
+        val = length / 1024;
     }
     else if (length < 1024 * 1024 * 1024) {
-        return `${length / 1024 / 1024}MB`;
+        unit = 'MB';
+        val = length / 1024 / 1024;
     }
     else if (length < 1024 * 1024 * 1024 * 1024) {
-        return `${length / 1024 / 1024 / 1024}GB`;
+        unit = 'GB';
+        val = length / 1024 / 1024 / 1024;
     }
+    return `${Math.round(val * 100) / 100}${unit}`;
 }
 
 const setObserver = el => {

From 8c8dd4887132b1564ee8482d57b4862a6f4c0505 Mon Sep 17 00:00:00 2001
From: Argo Zhang <argo@live.ca>
Date: Thu, 18 Dec 2025 12:06:47 +0800
Subject: [PATCH 2/2] =?UTF-8?q?refactor:=20=E6=9B=B4=E6=96=B0=E6=96=B9?=
 =?UTF-8?q?=E6=B3=95=E5=90=8D=E7=A7=B0?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 src/components/BootstrapBlazor.PdfReader/PdfReader.razor.js | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/components/BootstrapBlazor.PdfReader/PdfReader.razor.js b/src/components/BootstrapBlazor.PdfReader/PdfReader.razor.js
index a0496dc8..4bb1ff33 100644
--- a/src/components/BootstrapBlazor.PdfReader/PdfReader.razor.js
+++ b/src/components/BootstrapBlazor.PdfReader/PdfReader.razor.js
@@ -211,7 +211,7 @@ const loadMetadata = (el, pdfViewer, metadata) => {
     }
 
     const filesize = el.querySelector('.bb-view-pdf-dialog-file-size');
-    filesize.textContent = getFilesize(metadata);
+    filesize.textContent = getFileSize(metadata);
 
     const title = el.querySelector('.bb-view-pdf-dialog-title');
     const author = el.querySelector('.bb-view-pdf-dialog-author');
@@ -294,7 +294,7 @@ function parsePdfDate(pdfDateString) {
     return date;
 }
 
-const getFilesize = metadata => {
+const getFileSize = metadata => {
     const length = metadata.contentLength;
     let val = 0;
     let unit = 'B';