Adjustments for IE11

Can't wait to drop IE11. :/
pipwerks · Feb 14, 2024 · ab99e5d · ab99e5d
1 parent f4b7e99
commit ab99e5d
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Showing 4 changed files with 38 additions and 16 deletions.
diff --git a/dev/index.html b/dev/index.html
@@ -121,10 +121,12 @@ <h2>Tests</h2>
 document.getElementById("quicklaunch").addEventListener("click", function(e){
     e.preventDefault();
     let links = document.querySelectorAll("#examples li a");
-    links.forEach(function(link){
-        window.open(link.href, "_blank");
-    });
+    //Can't use forEach because IE11 doesn't support it
+    for(let i=0; i<links.length; i++){
+        window.open(links[i].href, "_blank");
+    };
 });
+
 </script>
 
 </body>

diff --git a/dev/pdfobject.2.3b.js b/dev/pdfobject.2.3b.js
@@ -216,15 +216,33 @@
 
     let convertBase64ToDownloadableLink = function (b64, filename, targetNode, fallbackHTML) {
 
-        fetch(b64).then(response => response.blob()).then(blob => {
-            let link = document.createElement('a');
-            link.innerText = "Download PDF";
-            link.href = URL.createObjectURL(blob);
-            link.download = filename;
-            targetNode.innerHTML = fallbackHTML.replace(/\[pdflink\]/g, link.outerHTML);
-        });
-
-    }    
+        //IE-11 safe version. More verbose than modern fetch()
+        if (window.Blob && window.URL && window.URL.createObjectURL) {
+
+            var xhr = new XMLHttpRequest();
+            xhr.open('GET', b64, true);
+            xhr.responseType = 'blob';
+            xhr.onload = function() {
+
+                if (xhr.status === 200) {
+
+                    var blob = xhr.response;
+                    var link = document.createElement('a');
+                    link.innerText = "Download PDF";
+                    link.href = URL.createObjectURL(blob);
+                    link.setAttribute('download', filename);
+                    targetNode.innerHTML = fallbackHTML.replace(/\[pdflink\]/g, link.outerHTML);
+
+                }
+
+            };
+
+            xhr.send();
+
+        }
+
+    };
+
 
     let generatePDFObjectMarkup = function (embedType, targetNode, url, pdfOpenFragment, width, height, id, title, omitInlineStyles, customAttribute, PDFJS_URL){
 

diff --git a/dev/tests/pdf-open-params.html b/dev/tests/pdf-open-params.html
@@ -258,9 +258,11 @@ <h1>PDFObject Example: PDF Open Parameters</h1>
 
 };
 
-document.querySelectorAll("li a").forEach(function(el){
-	el.addEventListener("click", clickHandler);
-})
+//Can't use forEach because IE11 doesn't support it
+let links = document.querySelectorAll("li a");
+for(let i=0; i<links.length; i++){
+	links[i].addEventListener("click", clickHandler);
+}
 </script>
 
 </body>

diff --git a/dev/tests/pdfjs.html b/dev/tests/pdfjs.html
@@ -42,7 +42,7 @@ <h1>PDFObject Example: PDF.js fallback</h1>
 
 <script src="/dev/pdfobject.2.3b.js"></script>
 <script>
-let myPDF = PDFObject.embed("https://pdfobject.com/pdf/sample-3pp.pdf", "#pdf", {
+let myPDF = PDFObject.embed("/pdf/sample-3pp.pdf", "#pdf", {
 	pdfOpenParams: {
 		navpanes: 0,
 		toolbar: 0,