Fix collection functions missing return values

* Fixed `collection.removeByKeys(keys, options)` missing return value
* Fixed `collection.replaceByExample(example, newValue, opts)` missing return value
* Fixed `collection.updateByExample(example, newValue, opts)` missing return value

Author: mpv1989

CHANGELOG.md

@@ -10,6 +10,9 @@ and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.
 ### Fixed
 
 * Fixed `collection.update(documentHandle, newValue, opts)` missing return value
+* Fixed `collection.removeByKeys(keys, options)` missing return value
+* Fixed `collection.replaceByExample(example, newValue, opts)` missing return value
+* Fixed `collection.updateByExample(example, newValue, opts)` missing return value
 
 ## [6.2.2] - 2018-03-21
 

src/collection.ts

@@ -392,7 +392,7 @@ export abstract class BaseCollection implements ArangoCollection {
   }
 
   replaceByExample(example: any, newValue: any, opts?: any) {
-    this._connection.request(
+    return this._connection.request(
       {
         method: "PUT",
         path: "/_api/simple/replace-by-example",
@@ -408,7 +408,7 @@ export abstract class BaseCollection implements ArangoCollection {
   }
 
   updateByExample(example: any, newValue: any, opts?: any) {
-    this._connection.request(
+    return this._connection.request(
       {
         method: "PUT",
         path: "/_api/simple/update-by-example",
@@ -438,7 +438,7 @@ export abstract class BaseCollection implements ArangoCollection {
   }
 
   removeByKeys(keys: string[], options: any) {
-    this._connection.request(
+    return this._connection.request(
       {
         method: "PUT",
         path: "/_api/simple/remove-by-keys",