Fix check package availability (#6029)

Author: hectormmg

release-scripts/checkIfPackageShouldBePublished.js

@@ -6,13 +6,14 @@
 const execSync = require("child_process").execSync;
 
 function checkVersion(packageName, version) {
-	return execSync(`npm view ${packageName}@${version}`).toString().trim();
+	// It is expected npm view will fail for packages that are about to be published. 2> dev/null/ is used to suppress the error.
+	return execSync(`npm view ${packageName}@${version} 2> /dev/null`).toString().trim();
 }
 
 const path = require("path");
 const libPath = path.join(__dirname, '..', process.argv[2]);
 
-const {name, version} = require(`${libPath}/package.json`);
+const { name, version } = require(`${libPath}/package.json`);
 
 const versionIsPublished = checkVersion(name, version);
 

release-scripts/checkPackageAvailability.js

@@ -6,7 +6,7 @@
 const execSync = require("child_process").execSync;
 
 function getPublishedVersion(packageName) {
-    return execSync(`npm view ${packageName} version`).toString().trim();
+    return execSync(`npm view ${packageName}@${version}`).toString().trim();
 }
 
 const path = require("path");