Bump pdfjs-dist from 5.4.149 to 5.6.205

package.json

@@ -4,6 +4,6 @@
     "@stylistic/eslint-plugin": "^5.10.0",
     "esbuild": "^0.27.4",
     "eslint": "^9.39.2",
-    "pdfjs-dist": "^5.4.149"
+    "pdfjs-dist": "^5.6.205"
   }
 }

viewer/css/text_layer.css

@@ -12,6 +12,9 @@
     forced-color-adjust: none;
     caret-color: CanvasText;
     z-index: 0;
+    --min-font-size: 1;
+    --text-scale-factor: calc(var(--total-scale-factor) * var(--min-font-size));
+    --min-font-size-inv: calc(1 / var(--min-font-size));
 }
 
 .textLayer.highlighting {
@@ -28,6 +31,12 @@
 
 .textLayer  > :not(.markedContent),.textLayer .markedContent span:not(.markedContent) {
     z-index: 1;
+    --font-height: 0;
+    font-size: calc(var(--text-scale-factor) * var(--font-height));
+    --scale-x: 1;
+    --rotate: 0deg;
+    transform: rotate(var(--rotate)) scaleX(var(--scale-x))
+        scale(var(--min-font-size-inv));
 }
 
 .textLayer span.markedContent {

viewer/js/index.js

@@ -1,3 +1,4 @@
+import "./polyfill.js";
 import {
     GlobalWorkerOptions,
     PasswordResponses,

viewer/js/polyfill.js

@@ -0,0 +1,21 @@
+// Uint8Array.prototype.toHex
+// Shipped in Chromium v140 (https://chromestatus.com/feature/6281131254874112)
+if (!Uint8Array.prototype.toHex) {
+    const hexNumbers = Array.from({ length: 256 }, (_, i) =>
+        i.toString(16).padStart(2, "0")
+    );
+    Uint8Array.prototype.toHex = function () {
+        return Array.from(this, num => hexNumbers[num]).join("");
+    };
+}
+
+// Map.prototype.getOrInsertComputed
+// Shipped in Chromium v145 (https://chromestatus.com/feature/5201653661827072)
+if (!Map.prototype.getOrInsertComputed) {
+    Map.prototype.getOrInsertComputed = function (key, callbackFunction) {
+        if (!this.has(key)) {
+            this.set(key, callbackFunction(key));
+        }
+        return this.get(key);
+    };
+}

viewer/js/worker.js

@@ -1 +1,2 @@
+import "./polyfill.js";
 import "pdfjs-dist/build/pdf.worker.mjs";