A lot of temporary changes.

package.json

@@ -34,7 +34,7 @@
     "tslib": "2.3.1",
     "y-protocols": "^1.0.6",
     "y-webrtc": "^10.2.5",
-    "yjs-redux": "^0.9.0"
+    "yjs-redux": "^0.12.0"
   },
   "scripts": {
     "start": "node --max_old_space_size=6096 node_modules/webpack/bin/webpack.js serve --config config/webpack.config.js --port 3002 --hot --server-type https --server-options-pfx dev/squidex-dev.pfx --server-options-passphrase password",

src/core/index.ts

@@ -20,7 +20,6 @@ export * from './utils/color';
 export * from './utils/helpers';
 export * from './utils/immutable-list';
 export * from './utils/immutable-map';
-export * from './utils/immutable-set';
 export * from './utils/math-helper';
 export * from './utils/react';
 export * from './utils/record';

src/core/utils/color.spec.ts

@@ -270,4 +270,13 @@ describe('Color', () => {
     it('should throw error for invalid string', () => {
         expect(() => Color.fromValue('INVALID')).toThrowError('Color is not in a valid format.');
     });
+
+    it('should convert and read from json', () =>{
+        const source = new Color(1, 2, 3);
+        const serialized = source.toJS();
+
+        const deserialized = Color.fromJS(serialized);
+
+        expect(deserialized).toEqual(source);
+    });
 });

src/core/utils/color.ts

@@ -51,11 +51,30 @@ export class Color {
 
     public readonly __typeName = Color.TYPE_NAME;
 
-    public static readonly BLACK = new Color(0, 0, 0);
-    public static readonly WHITE = new Color(1, 1, 1);
-    public static readonly GREEN = new Color(0, 1, 0);
-    public static readonly BLUE = new Color(0, 0, 1);
-    public static readonly RED = new Color(1, 0, 0);
+    public static readonly BLACK = new Color(
+        0,
+        0,
+        0);
+
+    public static readonly WHITE = new Color(
+        1,
+        1,
+        1);
+
+    public static readonly GREEN = new Color(
+        0,
+        1,
+        0);
+
+    public static readonly BLUE = new Color(
+        0,
+        0,
+        1);
+
+    public static readonly RED = new Color(
+        1,
+        0,
+        0);
 
     public readonly r: number;
     public readonly g: number;
@@ -219,4 +238,12 @@ export class Color {
 
         return new Color(r, g, b);
     }
+
+    public toJS() {
+        return { r: this.r, g: this.g, b: this.b };
+    }
+
+    public static fromJS(source: any) {
+        return new Color(source.r, source.g, source.b);
+    }
 }

src/core/utils/immutable-list.spec.ts

@@ -14,12 +14,14 @@ describe('ImmutableList', () => {
         const list = ImmutableList.empty<number>();
 
         expect(list.size).toBe(0);
+        expect(list).not.toBe(ImmutableList.empty());
     });
 
-    it('should cache empty instance', () => {
+    it('should return new empty instance if creating map from empty array', () => {
         const list = ImmutableList.of([]);
 
-        expect(list).toBe(ImmutableList.empty());
+        expect(list.size).toBe(0);
+        expect(list).not.toBe(ImmutableList.empty());
     });
 
     it('should instantiate from array of items', () => {

src/core/utils/immutable-list.ts

@@ -32,10 +32,6 @@ export class ImmutableList<T> {
         return this.items;
     }
 
-    public get raw() {
-        return this.items;
-    }
-
     public at(index: number): T | undefined {
         return this.items[index];
     }

src/core/utils/immutable-map.spec.ts

@@ -14,12 +14,14 @@ describe('ImmutableMap', () => {
         const list = ImmutableMap.empty<number>();
 
         expect(list.size).toBe(0);
+        expect(list).not.toBe(ImmutableMap.empty());
     });
 
-    it('should return empty instance if creating map from empty object', () => {
+    it('should return new empty instance if creating map from empty object', () => {
         const list = ImmutableMap.of({});
 
-        expect(list).toBe(ImmutableMap.empty());
+        expect(list.size).toBe(0);
+        expect(list).not.toBe(ImmutableMap.empty());
     });
 
     it('should add items', () => {