neo4j
diff --git a/‎package.json
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+1-1Lines changed: 1 addition & 1 deletion b/‎package.json
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+1-1Lines changed: 1 addition & 1 deletion
diff --git a/‎packages/neo4j-driver-deno/.gitignore
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+1-1Lines changed: 1 addition & 1 deletion b/‎packages/neo4j-driver-deno/.gitignore
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+1-1Lines changed: 1 addition & 1 deletion
diff --git a/‎packages/neo4j-driver-deno/generate.ts
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+2-2Lines changed: 2 additions & 2 deletions b/‎packages/neo4j-driver-deno/generate.ts
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+2-2Lines changed: 2 additions & 2 deletions
diff --git a/‎packages/neo4j-driver-deno/lib/bolt-connection/bolt/bolt-protocol-util.js
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+82Lines changed: 82 additions & 0 deletions b/‎packages/neo4j-driver-deno/lib/bolt-connection/bolt/bolt-protocol-util.js
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+82Lines changed: 82 additions & 0 deletions
@@ -40,7 +40,7 @@
   "scripts": {
     "clean": "lerna clean -y && lerna run clean",
     "build": "lerna bootstrap --ci",
-    "build::deno": "(cd ./packages/neo4j-driver-deno && deno run --allow-read --allow-write --allow-net ./generate.ts --version=5.0.0-dev)",
+    "build::deno": "cd ./packages/neo4j-driver-deno && deno run --allow-read --allow-write --allow-net ./generate.ts --version=5.0.0-dev",
     "build::notci": "lerna bootstrap",
     "docs": "lerna run docs --stream --concurrency 1",
     "test::unit": "lerna run test::unit --stream",
 
@@ -1,2 +1,2 @@
-lib/
 .vscode/
+lib2/
@@ -27,7 +27,7 @@ const isDir = (path: string) => {
 ////////////////////////////////////////////////////////////////////////////////
 // Parse arguments
 const parsedArgs = parse(Deno.args, {
-  string: ["version"],
+  string: ["version", "output"],
   boolean: ["transform"], // Pass --no-transform to disable
   default: { transform: true },
   unknown: (arg) => {
@@ -42,7 +42,7 @@ const version = parsedArgs.version ?? "0.0.0dev";
 
 ////////////////////////////////////////////////////////////////////////////////
 // Clear out the destination folder
-const rootOutDir = "lib/";
+const rootOutDir = parsedArgs.output ?? "lib/";
 await ensureDir(rootOutDir); // Make sure it exists
 for await (const existingFile of Deno.readDir(rootOutDir)) {
   await Deno.remove(`${rootOutDir}${existingFile.name}`, { recursive: true });
 
@@ -0,0 +1,82 @@
+/**
+ * Copyright (c) "Neo4j"
+ * Neo4j Sweden AB [https://neo4j.com]
+ *
+ * This file is part of Neo4j.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+import { newError } from '../../core/index.ts'
+// eslint-disable-next-line no-unused-vars
+import { ResultStreamObserver } from './stream-observers.js'
+
+/**
+ * @param {TxConfig} txConfig the auto-commit transaction configuration.
+ * @param {function(error: string)} onProtocolError called when the txConfig is not empty.
+ * @param {ResultStreamObserver} observer the response observer.
+ */
+function assertTxConfigIsEmpty (txConfig, onProtocolError = () => {}, observer) {
+  if (txConfig && !txConfig.isEmpty()) {
+    const error = newError(
+      'Driver is connected to the database that does not support transaction configuration. ' +
+        'Please upgrade to neo4j 3.5.0 or later in order to use this functionality'
+    )
+
+    // unsupported API was used, consider this a fatal error for the current connection
+    onProtocolError(error.message)
+    observer.onError(error)
+    throw error
+  }
+}
+
+/**
+ * Asserts that the passed-in database name is empty.
+ * @param {string} database
+ * @param {fuction(err: String)} onProtocolError Called when it doesn't have database set
+ */
+function assertDatabaseIsEmpty (database, onProtocolError = () => {}, observer) {
+  if (database) {
+    const error = newError(
+      'Driver is connected to the database that does not support multiple databases. ' +
+        'Please upgrade to neo4j 4.0.0 or later in order to use this functionality'
+    )
+
+    // unsupported API was used, consider this a fatal error for the current connection
+    onProtocolError(error.message)
+    observer.onError(error)
+    throw error
+  }
+}
+
+/**
+ * Asserts that the passed-in impersonated user is empty
+ * @param {string} impersonatedUser
+ * @param {function (err:Error)} onProtocolError Called when it does have impersonated user set
+ * @param {any} observer
+ */
+function assertImpersonatedUserIsEmpty (impersonatedUser, onProtocolError = () => {}, observer) {
+  if (impersonatedUser) {
+    const error = newError(
+      'Driver is connected to the database that does not support user impersonation. ' +
+        'Please upgrade to neo4j 4.4.0 or later in order to use this functionality. ' +
+        `Trying to impersonate ${impersonatedUser}.`
+    )
+
+    // unsupported API was used, consider this a fatal error for the current connection
+    onProtocolError(error.message)
+    observer.onError(error)
+    throw error
+  }
+}
+
+export { assertDatabaseIsEmpty, assertTxConfigIsEmpty, assertImpersonatedUserIsEmpty }