From d347632046f50403d56580d0393c1bcc4418cb11 Mon Sep 17 00:00:00 2001
From: Samuel Attard <sam@electronjs.org>
Date: Mon, 30 Jun 2025 15:01:09 -0700
Subject: [PATCH] build: write abi version to published npm package (#47598)

---
 script/release/bin/publish-to-npm.ts | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/script/release/bin/publish-to-npm.ts b/script/release/bin/publish-to-npm.ts
index 484bece93c61..43ae273552d1 100644
--- a/script/release/bin/publish-to-npm.ts
+++ b/script/release/bin/publish-to-npm.ts
@@ -136,6 +136,20 @@ new Promise<string>((resolve, reject) => {
 
     return release;
   })
+  .then(async (release) => {
+    const gnArgs = await fs.promises.readFile(path.resolve(ELECTRON_DIR, 'build/args/all.gn'), 'utf8');
+
+    const abiVersionLine = gnArgs.split('\n').find((line) => line.startsWith('node_module_version = '));
+    const abiVersion = abiVersionLine ? abiVersionLine.split('=')[1].trim() : null;
+    if (!abiVersion) {
+      throw new Error('Could not find node_module_version in GN args');
+    }
+
+    const abiVersionFile = path.join(tempDir, 'abi_version');
+    await fs.promises.writeFile(abiVersionFile, abiVersion);
+
+    return release;
+  })
   .then(async (release) => {
     const currentBranch = await getCurrentBranch();