Draft

components/font-call.ts

@@ -1,7 +1,9 @@
 import { GeneratedData } from "./main-app";
 import rtlSubsets from "../data/rtl.json";
 
-function fontCallVariant(variants: GeneratedData[number]["variants"]): string {
+export function fontCallVariant(
+  variants: GeneratedData[number]["variants"],
+): string {
   const [firstVariant] = variants;
   if (/\d+/g.test(firstVariant)) {
     return `:wght@${firstVariant}`;

test/font-call.test.ts

@@ -0,0 +1,21 @@
+import { fontCallVariant } from "../components/font-call";
+
+describe("fontCallVariant", () => {
+  it("should return weight variant when first variant is a number", () => {
+    const variants = ["400", "italic"];
+    const result = fontCallVariant(variants);
+    expect(result).toBe(":wght@400");
+  });
+
+  it('should return italic variant when first variant includes "italic"', () => {
+    const variants = ["italic", "400"];
+    const result = fontCallVariant(variants);
+    expect(result).toBe(":ital@1");
+  });
+
+  it('should return empty string when first variant is neither a number nor "italic"', () => {
+    const variants = ["regular", "bold"];
+    const result = fontCallVariant(variants);
+    expect(result).toBe("");
+  });
+});