🔢 Adds math function to convert to uint8

app/test/specs/toUint8.spec.ts

@@ -0,0 +1,24 @@
+import { describe, it, expect } from 'vitest';
+import { toUint8 } from '../../src/lib/utilities';
+
+describe('toUint8', () => {
+  it('min interval value should get 0', () => {
+    expect(toUint8(-1, -1, 1)).toBe(0);
+  });
+
+  it('middle interval value should get 128', () => {
+    expect(toUint8(0, -1, 1)).toBe(128);
+  });
+
+  it('max interval value should get 255', () => {
+    expect(toUint8(1, -1, 1)).toBe(255);
+  });
+
+  it('min value should be clamped', () => {
+    expect(toUint8(-2, -1, 1)).toBe(0);
+  });
+
+  it('max value should be clamped', () => {
+    expect(toUint8(2, -1, 1)).toBe(255);
+  });
+});