From 300634deb1b33998a4a7cced5150faba3273662b Mon Sep 17 00:00:00 2001
From: amit <amitksingh1490@gmail.com>
Date: Fri, 17 Nov 2023 13:56:43 +0530
Subject: [PATCH] feat: use neos code from
 https://github.com/tailcallhq/tailcall/pull/634

---
 npm/gen-root.ts     |  3 +++
 npm/post-install.js | 27 +++++++++++++++++++++++++++
 npm/pre-install.js  |  3 +--
 3 files changed, 31 insertions(+), 2 deletions(-)
 create mode 100644 npm/post-install.js

diff --git a/npm/gen-root.ts b/npm/gen-root.ts
index 18a5a82e77..1e79274d67 100644
--- a/npm/gen-root.ts
+++ b/npm/gen-root.ts
@@ -63,11 +63,14 @@ async function genServerPackage(buildDefinitions: string[]) {
     await fs.mkdir(scriptsPath, { recursive: true })
     await fs.mkdir(directoryPath, { recursive: true })
 
+    const postInstallScript = await fs.readFile(resolve(__dirname, "./post-install.js"), "utf8")
     const preInstallScript = await fs.readFile(resolve(__dirname, "./pre-install.js"), "utf8")
 
+    const postInstallScriptContent = `const version = "${packageVersion}";\n${postInstallScript}`
     const preInstallScriptContent = `const optionalDependencies = ${JSON.stringify(optionalDependencies)};\n${preInstallScript}`
 
 
+    await fs.writeFile(resolve(scriptsPath, "post-install.js"), postInstallScriptContent, "utf8")
     await fs.writeFile(resolve(scriptsPath, "pre-install.js"), preInstallScriptContent, "utf8")
     await fs.writeFile(resolve(directoryPath, "./package.json"), JSON.stringify(tailcallPackage, null, 2), "utf8")
 
diff --git a/npm/post-install.js b/npm/post-install.js
new file mode 100644
index 0000000000..40f6471ed7
--- /dev/null
+++ b/npm/post-install.js
@@ -0,0 +1,27 @@
+// @ts-check
+// @ts-ignore
+import { familySync, GLIBC, MUSL } from "detect-libc"
+import { exec } from 'child_process'
+import util from 'util'
+
+const execa = util.promisify(exec)
+const platform = process.platform
+const arch = process.arch
+
+const libcFamily = familySync()
+let libc
+if (platform === "win32") {
+  libc = "-msvc"
+} else {
+  libc = libcFamily === GLIBC ? "-gnu" : libcFamily === MUSL ? "-musl" : ""
+}
+
+const pkg = `@tailcallhq/core-${platform}-${arch}${libc}`
+
+try {
+  // @ts-ignore
+  const { stdout, stderr } = await execa(`npm install ${pkg}@${version} --no-save`)
+  stderr ? console.log(stderr) : console.log(`Successfully installed optional dependency: ${pkg}`, stdout)
+} catch (error) {
+  console.error(`Failed to install optional dependency: ${pkg}`, error.stderr)
+}
\ No newline at end of file
diff --git a/npm/pre-install.js b/npm/pre-install.js
index f3d242291f..6d008b256b 100644
--- a/npm/pre-install.js
+++ b/npm/pre-install.js
@@ -1,8 +1,7 @@
 const os = process.platform
 const arch = process.arch
-const libc = process.libc
 
-const dependency = libc ? Object.keys(optionalDependencies).find((name) => name.includes(`${os}-${arch}-${libc}`)) : Object.keys(optionalDependencies).find((name) => name.includes(`${os}-${arch}`))
+const dependency = Object.keys(optionalDependencies).find((name) => name.includes(`${os}-${arch}`))
 if (!dependency) {
   const redColor = "\x1b[31m"
   const resetColor = "\x1b[0m"