Merge pull request #12607 from CesiumGS/no-playwright-in-ci

Do not install playwright in CI

Author: ggetz

package.json

@@ -104,7 +104,7 @@
     "yargs": "^17.0.1"
   },
   "scripts": {
-    "prepare": "gulp prepare && husky && playwright install --with-deps",
+    "prepare": "gulp prepare && husky && node scripts/isCI.js || playwright install --with-deps",
     "start": "node server.js",
     "start-public": "node server.js --public",
     "build": "gulp build",

scripts/isCI.js

@@ -0,0 +1,12 @@
+// Logic and values based on is-ci https://github.com/watson/is-ci/blob/master/bin.js
+// which uses ci-info under the hood https://github.com/watson/ci-info/blob/master/index.js
+// This just extracts the specific parts we need without adding more dependencies
+
+const { env } = process;
+
+const isCI = !!(
+  env.CI !== "false" && // Bypass all checks if CI env is explicitly set to 'false'
+  env.CI // GitHub CI
+);
+
+process.exit(isCI ? 0 : 1);