Import/export chat styles

ts/test-node/util/rgbToHSL_test.ts

@@ -0,0 +1,42 @@
+// Copyright 2024 Signal Messenger, LLC
+// SPDX-License-Identifier: AGPL-3.0-only
+
+import { assert } from 'chai';
+
+import { rgbToHSL } from '../../util/rgbToHSL';
+
+describe('rgbToHSL', () => {
+  it('converts pure rgb colors', () => {
+    assert.deepStrictEqual(rgbToHSL(255, 0, 0), {
+      h: 0,
+      s: 1,
+      l: 0.5,
+    });
+
+    assert.deepStrictEqual(rgbToHSL(0, 255, 0), {
+      h: 120,
+      s: 1,
+      l: 0.5,
+    });
+
+    assert.deepStrictEqual(rgbToHSL(0, 0, 255), {
+      h: 240,
+      s: 1,
+      l: 0.5,
+    });
+  });
+
+  it('converts random sampled rgb colors', () => {
+    assert.deepStrictEqual(rgbToHSL(27, 132, 116), {
+      h: 170.85714285714283,
+      s: 0.6603773584905662,
+      l: 0.31176470588235294,
+    });
+
+    assert.deepStrictEqual(rgbToHSL(27, 175, 82), {
+      h: 142.2972972972973,
+      s: 0.7326732673267328,
+      l: 0.396078431372549,
+    });
+  });
+});