From 63c64b42b5aa6b5d9d013a521886287e6a9f740a Mon Sep 17 00:00:00 2001
From: Niklas Mischkulnig <4586894+mischnic@users.noreply.github.com>
Date: Wed, 27 Oct 2021 23:51:39 +0200
Subject: [PATCH] Add script to sync engines with core version

---
 scripts/update-engines.js | 25 +++++++++++++++++++++++++
 1 file changed, 25 insertions(+)
 create mode 100644 scripts/update-engines.js

diff --git a/scripts/update-engines.js b/scripts/update-engines.js
new file mode 100644
index 00000000000..0c3efe3924b
--- /dev/null
+++ b/scripts/update-engines.js
@@ -0,0 +1,25 @@
+const fs = require('fs');
+const path = require('path');
+const exec = require('child_process').execSync;
+
+let packages = JSON.parse(
+  exec(
+    `${path.join(__dirname, '..', 'node_modules', '.bin', 'lerna')} ls  --json`,
+  ),
+);
+let packageVersions = new Map(
+  packages.map(pkg => [
+    pkg.name,
+    {version: pkg.version, location: pkg.location},
+  ]),
+);
+let coreVersion = packageVersions.get('@parcel/core').version;
+
+for (let [, {location}] of packageVersions) {
+  let pkgPath = path.join(location, 'package.json');
+  let pkg = JSON.parse(fs.readFileSync(pkgPath, 'utf8'));
+  if (pkg.engines?.parcel != null) {
+    pkg.engines.parcel = coreVersion;
+    fs.writeFileSync(pkgPath, JSON.stringify(pkg, null, 2) + '\n');
+  }
+}