From e11c970b3066f6579962dd26410af2b71f16058f Mon Sep 17 00:00:00 2001
From: Tyler Barnes <tylerdbarnes@gmail.com>
Date: Thu, 16 Apr 2020 14:34:53 -0700
Subject: [PATCH] =?UTF-8?q?fix(gatsby-plugin-sharp):=20error=20if=20we=20c?=
 =?UTF-8?q?an't=20determine=20dimensio=E2=80=A6=20(#23156)?=
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* error if we can't determine dimensions for image

* chore: format

Co-authored-by: gatsbybot <mathews.kyle+gatsbybot@gmail.com>
---
 packages/gatsby-plugin-sharp/src/index.js | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/packages/gatsby-plugin-sharp/src/index.js b/packages/gatsby-plugin-sharp/src/index.js
index f59a5993c2082..37d8275035d67 100644
--- a/packages/gatsby-plugin-sharp/src/index.js
+++ b/packages/gatsby-plugin-sharp/src/index.js
@@ -30,6 +30,14 @@ const getImageSize = file => {
     const dimensions = imageSize.sync(
       toArray(fs.readFileSync(file.absolutePath))
     )
+
+    if (!dimensions) {
+      reportError(
+        `gatsby-plugin-sharp couldn't determine dimensions for file:\n${file.absolutePath}\nThis file is unusable and is most likely corrupt.`,
+        ``
+      )
+    }
+
     imageSizeCache.set(file.internal.contentDigest, dimensions)
     return dimensions
   }