From 437bce69223df51c842484c3c0db9937bd363d19 Mon Sep 17 00:00:00 2001
From: Jonas Jenwald <jonas.jenwald@gmail.com>
Date: Thu, 29 Oct 2026 13:25:40 +0100
Subject: [PATCH] Prevent errors when extracting textContent with zero initial
 font size (issue 22381)

---
 src/core/evaluator.js    |   2 +-
 test/pdfs/.gitignore     |   1 +
 test/pdfs/issue22381.pdf | Bin 0 -> 612 bytes
 test/unit/api_spec.js    |  13 +++++++++++++
 4 files changed, 15 insertions(+), 1 deletion(-)
 create mode 100644 test/pdfs/issue22381.pdf

diff --git a/src/core/evaluator.js b/src/core/evaluator.js
index d974b75a593c0..27522fdae97dd 100644
--- a/src/core/evaluator.js
+++ b/src/core/evaluator.js
@@ -2982,7 +2982,7 @@ class PartialEvaluator {
         currentTextState !== textState &&
         (currentTextState.fontSize !== textState.fontSize ||
           (currentTextState.fontName !== textState.fontName &&
-            (currentTextState.font.name !== textState.font.name ||
+            (currentTextState.font?.name !== textState.font.name ||
               currentTextState.font.vertical !== textState.font.vertical)))
       ) {
         flushTextContentItem();
diff --git a/test/pdfs/.gitignore b/test/pdfs/.gitignore
index 6db7cfe8b5073..a2e1bee608caa 100644
--- a/test/pdfs/.gitignore
+++ b/test/pdfs/.gitignore
@@ -157,6 +157,7 @@
 !issue14023.pdf
 !issue14438.pdf
 !issue14999_reduced.pdf
+!issue22381.pdf
 !bad-PageLabels.pdf
 !decodeACSuccessive.pdf
 !issue13003.pdf
diff --git a/test/pdfs/issue22381.pdf b/test/pdfs/issue22381.pdf
new file mode 100644
index 0000000000000000000000000000000000000000..54fa43b5c00fe2d5ce2d3fb8715390ec6054e3b7
GIT binary patch
literal 612
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z-5HPFnLSKz<(&#72(YVtFdRadet#l__uA{+ZXulMEjs8CVGg5FfJMec-v4c=dEt}E
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zh*^<z_#@fE(=-RFL0j9rZ`Gf%*!mqL19s<piTWcLr!<wrNH@^knJmNN2GTuD(zeu7
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ZLN{V9UvTp}oY$qVe5yzUozCQS`U`2dpvM3J

literal 0
HcmV?d00001

diff --git a/test/unit/api_spec.js b/test/unit/api_spec.js
index a9b4cd9a28cf1..b5b9646ec011a 100644
--- a/test/unit/api_spec.js
+++ b/test/unit/api_spec.js
@@ -5600,6 +5600,19 @@ have written that much by now. So, here’s to squashing bugs.`);
       await loadingTask.destroy();
     });
 
+    it("gets text content with zero initial font size (issue 22381)", async function () {
+      const loadingTask = getDocument(buildGetDocumentParams("issue22381.pdf"));
+      const pdfDoc = await loadingTask.promise;
+      const pdfPage = await pdfDoc.getPage(1);
+      const { items } = await pdfPage.getTextContent({
+        disableNormalization: true,
+      });
+      const text = mergeText(items);
+      expect(text).toEqual("hiddenVisible text");
+
+      await loadingTask.destroy();
+    });
+
     it("gets empty structure tree", async function () {
       const tree = await page.getStructTree();