From d406cb619c9a9db336f138b58bfde267e573e1ce Mon Sep 17 00:00:00 2001
From: Lovell Fuller <github@lovell.info>
Date: Fri, 28 Aug 2020 21:39:11 +0100
Subject: [PATCH] Improve error messaging for unsupported Node.js versions

---
 install/libvips.js | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/install/libvips.js b/install/libvips.js
index 84eb9955..2d2ac3ee 100644
--- a/install/libvips.js
+++ b/install/libvips.js
@@ -80,6 +80,9 @@ try {
         throw new Error(`Use with glibc ${detectLibc.version} requires manual installation of libvips >= ${minimumLibvipsVersion}`);
       }
     }
+    if (!semver.satisfies(process.versions.node, process.env.npm_package_engines_node)) {
+      throw new Error(`Expected Node.js version ${process.env.npm_package_engines_node} but found ${process.versions.node}`);
+    }
     // Download to per-process temporary file
     const tarFilename = ['libvips', minimumLibvipsVersion, platformAndArch].join('-') + '.tar.br';
     const tarPathCache = path.join(libvips.cachePath(), tarFilename);