adds optional generic parameter to Node and Relationship

Author: Artemiy Vereshchinskiy

test/types/graph-types.test.ts

@@ -32,54 +32,92 @@ import {
   isUnboundRelationship
 } from 'neo4j-driver-core'
 
-const node1: Node = new Node(int(1), ['Person', 'Employee'], { name: 'Alice' })
+type NodeProperties = { name: string }
+type RelationshipProperties = { since: number }
+
+const node1: Node<Integer, NodeProperties> = new Node(
+  int(1),
+  ['Person', 'Employee'],
+  { name: 'Alice' }
+)
 const node1String: string = node1.toString()
 const node1Id: Integer = node1.identity
 const node1Labels: string[] = node1.labels
-const node1Props: object = node1.properties
+const node1Props: NodeProperties = node1.properties
+const node1PropertyName: string = node1.properties.name
 const isNode1: boolean = node1 instanceof Node
 const isNode1B: boolean = isNode(node1)
 
-const node2: Node<number> = new Node(2, ['Person', 'Employee'], {
-  name: 'Alice'
-})
+const node2: Node<number, NodeProperties> = new Node(
+  2,
+  ['Person', 'Employee'],
+  {
+    name: 'Alice'
+  }
+)
 const node2Id: number = node2.identity
+const node2Props: NodeProperties = node2.properties
+const node2PropertyName: string = node2.properties.name
 
-const rel1: Relationship = new Relationship(int(1), int(2), int(3), 'KNOWS', {
-  since: 12345
-})
+const rel1: Relationship<Integer, RelationshipProperties> = new Relationship(
+  int(1),
+  int(2),
+  int(3),
+  'KNOWS',
+  {
+    since: 12345
+  }
+)
 const rel1String: string = rel1.toString()
 const rel1Id: Integer = rel1.identity
 const rel1Start: Integer = rel1.start
 const rel1End: Integer = rel1.end
 const rel1Type: string = rel1.type
-const rel1Props: object = rel1.properties
+const rel1Props: RelationshipProperties = rel1.properties
+const rel1PropertySince: number = rel1.properties.since
 const isRel1: boolean = rel1 instanceof Relationship
 const isRel1B: boolean = isRelationship(rel1)
 
-const rel2: UnboundRelationship = new UnboundRelationship(int(1), 'KNOWS', {
+const rel2: UnboundRelationship<
+  Integer,
+  RelationshipProperties
+> = new UnboundRelationship(int(1), 'KNOWS', {
   since: 12345
 })
 const rel2String: string = rel2.toString()
 const rel3: Relationship = rel2.bind(int(1), int(2))
 const rel2Id: Integer = rel2.identity
 const rel2Type: string = rel2.type
-const rel2Props: object = rel2.properties
+const rel2Props: RelationshipProperties = rel2.properties
+const rel2PropertySince: number = rel2.properties.since
 const isRel2: boolean = rel2 instanceof UnboundRelationship
 const isRel2B: boolean = isUnboundRelationship(rel2)
 
-const rel4: Relationship<number> = new Relationship(2, 3, 4, 'KNOWS', {
-  since: 12345
-})
+const rel4: Relationship<number, RelationshipProperties> = new Relationship(
+  2,
+  3,
+  4,
+  'KNOWS',
+  {
+    since: 12345
+  }
+)
 const rel4Id: number = rel4.identity
 const rel4Start: number = rel4.start
 const rel4End: number = rel4.end
 const isRel4: boolean = rel4 instanceof Relationship
+const rel4Props: RelationshipProperties = rel4.properties
+const rel4PropertySince: number = rel4.properties.since
 
-const rel5: UnboundRelationship<number> = new UnboundRelationship(5, 'KNOWS', {
+const rel5: UnboundRelationship<
+  number,
+  RelationshipProperties
+> = new UnboundRelationship(5, 'KNOWS', {
   since: 12345
 })
 const rel5Id: number = rel5.identity
+const rel5Props: RelationshipProperties = rel5.properties
+const rel5PropertySince: number = rel5.properties.since
 const rel6 = rel5.bind(24, 42)
 const rel6Id: number = rel6.identity
 const rel6Start: number = rel6.start