Refactor: Implement SmartCube renderer, improve UI styling, and fix gaps

node_modules/@gkucmierz/utils/spec/SetCnt.spec.mjs

@@ -0,0 +1,58 @@
+
+import {
+  SetCnt,
+} from '../src/SetCnt.mjs';
+
+const set = new Set([1,2,3,5])
+const map = new Map([[1,2],[3,5]])
+// console.log([...sc.entries()]);
+
+describe('SetCnt', () => {
+  it('has', () => {
+    const sc = new SetCnt([1,2,5,6,1,1]);
+    expect(sc.has(1)).toBe(true);
+    expect(sc.has(2)).toBe(true);
+    expect(sc.has(5)).toBe(true);
+  });
+
+  it('add', () => {
+    const sc = new SetCnt([1,2,5,6,1,1]);
+    expect(sc.add(123)).toBe(sc);
+    expect(sc.has(123)).toBe(true);
+  });
+
+  it('delete', () => {
+    const sc = new SetCnt();
+    expect(sc.add(123)).toBe(sc);
+    expect(sc.add(123)).toBe(sc);
+
+    expect(sc.delete(123)).toBe(true);
+    expect(sc.has(123)).toBe(true);
+
+    expect(sc.delete(123)).toBe(true);
+    expect(sc.has(123)).toBe(false);
+
+    expect(sc.delete(123)).toBe(false);
+  });
+
+  it('deleteAll', () => {
+    const sc = new SetCnt();
+    expect(sc.add(123)).toBe(sc);
+    expect(sc.add(123)).toBe(sc);
+
+    expect(sc.deleteAll(123)).toBe(true);
+    expect(sc.has(123)).toBe(false);
+  });
+
+  it('cnt', () => {
+    const sc = new SetCnt();
+    expect(sc.cnt(123)).toBe(0);
+
+    expect(sc.add(123)).toBe(sc);
+    expect(sc.add(123)).toBe(sc);
+
+    expect(sc.cnt(123)).toBe(2);
+    expect(sc.deleteAll(123)).toBe(true);
+    expect(sc.cnt(123)).toBe(0);
+  });
+});