From a1181a6f15b845952d54bcae25f4fd73d9d465b1 Mon Sep 17 00:00:00 2001
From: Warren James <warren.james@mongodb.com>
Date: Thu, 8 Jul 2021 12:47:50 -0400
Subject: [PATCH 1/2] feat: Add new Error classess

Add:

- MongoBatchReExecutionError
- MongoNotConnectedError
- MongoCursorError
  - MongoCursorExhaustedError
  - MongoTailableCursorError
  - MongoCursorInUseError
---
 src/error.ts | 106 +++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 106 insertions(+)

diff --git a/src/error.ts b/src/error.ts
index 6e721b39f0..4294e2c9e3 100644
--- a/src/error.ts
+++ b/src/error.ts
@@ -198,6 +198,112 @@ export class MongoRuntimeError extends MongoDriverError {
   }
 }
 
+/**
+ * An error generated when a batch command is reexecuted after one of the commands in the batch
+ * has failed
+ *
+ *
+ * @public
+ * @category Error
+ */
+export class MongoBatchReExecutionError extends MongoRuntimeError {
+  constructor(message: string) {
+    super(message);
+  }
+
+  get name(): string {
+    return 'MongoBatchReExecutionError';
+  }
+}
+
+/**
+ * An Error thrown when the user attempts to operate on a database or collection through a MongoClient
+ * that has not yet successfully called the "connect" method
+ *
+ *
+ * @public
+ * @category Error
+ */
+export class MongoNotConnectedError extends MongoRuntimeError {
+  constructor(message: string) {
+    super(message);
+  }
+
+  get name(): string {
+    return 'MongoNotConnectedError';
+  }
+}
+
+/**
+ * An error thrown when the user attempts to operate on a cursor that is in a state which does not
+ * support the attempted operation.
+ *
+ *
+ * @public
+ * @category Error
+ */
+export class MongoCursorError extends MongoRuntimeError {
+  constructor(message: string) {
+    super(message);
+  }
+
+  get name(): string {
+    return 'MongoCursorError';
+  }
+}
+
+/**
+ * An error thrown when the user calls a function or method not supported on a tailable cursor
+ *
+ *
+ * @public
+ * @category Error
+ */
+export class MongoTailableCursorError extends MongoCursorError {
+  constructor(message: string) {
+    super(message);
+  }
+
+  get name(): string {
+    return 'MongoTailableCursorError';
+  }
+}
+
+/**
+ * An error thrown when the user attempts to add options to a cursor that has already been
+ * initialized
+ *
+ *
+ * @public
+ * @category Error
+ */
+export class MongoCursorInUseError extends MongoCursorError {
+  constructor(message: string) {
+    super(message);
+  }
+
+  get name(): string {
+    return 'MongoCursorInUseError';
+  }
+}
+
+/**
+ * An error thrown when an attempt is made to read from a cursor that has been exhausted
+ *
+ *
+ * @public
+ * @category Error
+ */
+export class MongoCursorExhaustedError extends MongoCursorError {
+  constructor(message: string) {
+    super(message);
+  }
+
+  get name(): string {
+    return 'MongoCursorExhaustedError';
+  }
+}
+
 /** @internal */
 const kBeforeHandshake = Symbol('beforeHandshake');
 export function isNetworkErrorBeforeHandshake(err: MongoNetworkError): boolean {

From 98e00051566a59b645540ec12279d33a2eea7211 Mon Sep 17 00:00:00 2001
From: Andy Mina <andy.mina@macaulay.cuny.edu>
Date: Fri, 9 Jul 2021 14:00:18 -0400
Subject: [PATCH 2/2] docs(NODE-3403): fixes typo in MongoNotConnectedError

Co-authored-by: Eric Adum <eric.adum@mongodb.com>
---
 src/error.ts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/error.ts b/src/error.ts
index 4294e2c9e3..7d96dc49ac 100644
--- a/src/error.ts
+++ b/src/error.ts
@@ -217,7 +217,7 @@ export class MongoBatchReExecutionError extends MongoRuntimeError {
 }
 
 /**
- * An Error thrown when the user attempts to operate on a database or collection through a MongoClient
+ * An error thrown when the user attempts to operate on a database or collection through a MongoClient
  * that has not yet successfully called the "connect" method
  *
  *