reimplements id of node as a concatenated string

models/DeviceNode.ts

@@ -12,12 +12,17 @@ import Device from '@/models/Device'
 export class DeviceNode implements IConfigurationsTreeNode<Device> {
   private node: Device
 
+  static readonly ID_PREFIX = 'DeviceNode-'
+
   constructor (node: Device) {
     this.node = node
   }
 
-  get id (): number | null {
-    return this.node.id
+  get id (): string | null {
+    if (!this.node.id) {
+      return null
+    }
+    return DeviceNode.ID_PREFIX + this.node.id
   }
 
   get name (): string {

models/IConfigurationsTreeNode.ts

@@ -7,7 +7,7 @@
  * an interface to implement wrapper classes for the usage in a ConfigurationsTreeNode
  */
 export interface IConfigurationsTreeNode<T> {
-  id: number | null
+  id: string | null
   name: string
   disabled: boolean
 

models/PlatformNode.ts

@@ -15,12 +15,17 @@ export class PlatformNode implements IConfigurationsTreeNode<Platform> {
   private node: Platform
   private tree: ConfigurationsTree = new ConfigurationsTree()
 
+  static readonly ID_PREFIX = 'PlatformNode-'
+
   constructor (node: Platform) {
     this.node = node
   }
 
-  get id (): number | null {
-    return this.node.id
+  get id (): string | null {
+    if (!this.node.id) {
+      return null
+    }
+    return PlatformNode.ID_PREFIX + this.node.id
   }
 
   get name (): string {

test/models/DeviceNode.test.ts

@@ -8,7 +8,7 @@ describe('DeviceNode', () => {
 
     const node = new DeviceNode(device)
     expect(Object.is(node.unpack(), device)).toBeTruthy()
-    expect(node).toHaveProperty('id', 1)
+    expect(node).toHaveProperty('id', DeviceNode.ID_PREFIX + device.id)
   })
 
   it('should create a DeviceNode from another one', () => {

test/models/PlatformNode.test.ts

@@ -8,7 +8,7 @@ describe('PlatformNode', () => {
 
     const node = new PlatformNode(platform)
     expect(Object.is(node.unpack(), platform)).toBeTruthy()
-    expect(node).toHaveProperty('id', 1)
+    expect(node).toHaveProperty('id', PlatformNode.ID_PREFIX + platform.id)
   })
 
   it('should create a PlatformNode from another one', () => {