feat(arangojs): upgrade to arangojs 7.0.1

BREAKING CHANGE: arangojs 7+ has quite a few breaking changes. We've addressed the issues that look like they need to be addressed but more testing is likely necessary to make sure.

edge-manager.js

@@ -11,7 +11,7 @@ class EdgeManager extends DataSource {
   /**
    * Creates an instance of EdgeManager.
    * @param {Database} db An instance of an ArangoDb Database
-   * @param {EdgeCollection} collection An instance of an ArangoDb EdgeCollection
+   * @param {Collection} collection An instance of an ArangoDb Collection
    * @memberof EdgeManager
    */
   constructor(db, collection) {
@@ -30,9 +30,12 @@ class EdgeManager extends DataSource {
    * @memberof EdgeManager
    */
   async create(from, to, properties = {}) {
-    const { new: edge } = await this.collection.save(properties, from, to, {
-      returnNew: true,
-    });
+    const { new: edge } = await this.collection.save(
+      { _from: from, _to: to, ...properties },
+      {
+        returnNew: true,
+      }
+    );
     return { new: edge };
   }
 

edge-manager.test.js

@@ -32,16 +32,16 @@ describe(`EdgeManager`, () => {
 
   describe(`EdgeManager.create`, () => {
     test(`it calls collection.save()`, async () => {
-      const doc = { name: 'abc' };
       const from = 'abc';
       const to = 'xyz';
       const properties = { test: true };
+      const doc = { _from: from, _to: to, ...properties };
       collectionMock.save.mockResolvedValue({ new: doc });
 
       const output = await manager.create(from, to, properties);
       expect(output).toEqual({ new: doc });
       expect(collectionMock.save).toHaveBeenCalledTimes(1);
-      expect(collectionMock.save).toHaveBeenCalledWith(properties, from, to, {
+      expect(collectionMock.save).toHaveBeenCalledWith(doc, {
         returnNew: true,
       });
     });

package.json

@@ -26,7 +26,7 @@
   "homepage": "https://github.com/danwkennedy/arango-datasouce#readme",
   "dependencies": {
     "apollo-datasource": "^0.7.0",
-    "arangojs": "^6.14.1",
+    "arangojs": "^7.0.1",
     "dataloader": "^2.0.0",
     "object-hash": "^2.0.3"
   },