feat: Initial clean release of CHM

packages/lib/services/style/cssToTheme.test.ts

@@ -0,0 +1,28 @@
+import cssToTheme from './cssToTheme';
+
+describe('cssToTheme', () => {
+
+	it('should convert a CSS string to a theme', async () => {
+		const input = `
+			:root {
+				--joplin-appearance: light;
+				--joplin-color: #333333;
+				--joplin-background-color: #778899;
+
+				/* Should skip this comment and empty lines */
+
+				--joplin-background-color-transparent: rgba(255,255,255,0.9);
+			}`;
+
+		const expected = {
+			appearance: 'light',
+			color: '#333333',
+			backgroundColor: '#778899',
+			backgroundColorTransparent: 'rgba(255,255,255,0.9)',
+		};
+
+		const actual = cssToTheme(input, 'test.css');
+		expect(actual).toEqual(expected);
+	});
+
+});