chore(scripts): add unit tests for toCamelCase utility (#359)

Author: metonym

scripts/build-languages.ts

@@ -2,7 +2,7 @@ import { $ } from "bun";
 import hljs from "highlight.js";
 import type { ModuleNames } from "./build-styles";
 import { createMarkdown } from "./utils/create-markdown";
-import { toCamelCase } from "./utils/to-pascal-case";
+import { toCamelCase } from "./utils/to-camel-case";
 import { writeTo } from "./utils/write-to";
 
 export async function buildLanguages() {

scripts/build-styles.ts

@@ -3,7 +3,7 @@ import path from "node:path";
 import postcss from "postcss";
 import { createMarkdown } from "./utils/create-markdown";
 import { minifyCss } from "./utils/minify-css";
-import { toCamelCase } from "./utils/to-pascal-case";
+import { toCamelCase } from "./utils/to-camel-case";
 import { writeTo } from "./utils/write-to";
 
 const createScopedStyles = (props: { source: string; moduleName: string }) => {

scripts/utils/index.ts

@@ -1,3 +1,3 @@
 export { createMarkdown } from "./create-markdown";
-export { toCamelCase } from "./to-pascal-case";
+export { toCamelCase } from "./to-camel-case";
 export { writeTo } from "./write-to";

scripts/utils/to-pascal-case.ts renamed to scripts/utils/to-camel-case.ts

@@ -2,6 +2,7 @@
  * Converts a dash/period separated string into pascal case
  * @example
  * "one-two-three" --> "oneTwoThree"
+ * "one.two.three" --> "oneTwoThree"
  */
 export const toCamelCase = (str: string) =>
   str

tests/to-camel-case.test.ts

@@ -0,0 +1,33 @@
+import { describe, expect, it } from "bun:test";
+import { toCamelCase } from "../scripts/utils/to-camel-case";
+
+describe("toCamelCase", () => {
+  it("should convert dash-separated strings to camelCase", () => {
+    expect(toCamelCase("one-two-three")).toBe("oneTwoThree");
+    expect(toCamelCase("hello-world")).toBe("helloWorld");
+    expect(toCamelCase("first-name")).toBe("firstName");
+  });
+
+  it("should convert period-separated strings to camelCase", () => {
+    expect(toCamelCase("one.two.three")).toBe("oneTwoThree");
+    expect(toCamelCase("hello.world")).toBe("helloWorld");
+    expect(toCamelCase("first.name")).toBe("firstName");
+  });
+
+  it("should handle mixed dash and period separators", () => {
+    expect(toCamelCase("one.two-three")).toBe("oneTwoThree");
+    expect(toCamelCase("hello-world.example")).toBe("helloWorldExample");
+  });
+
+  it("should handle single word inputs", () => {
+    expect(toCamelCase("word")).toBe("word");
+    expect(toCamelCase("hello")).toBe("hello");
+  });
+
+  it("should preserve existing casing", () => {
+    expect(toCamelCase("already-Capitalized-Word")).toBe(
+      "alreadyCapitalizedWord",
+    );
+    expect(toCamelCase("UPPER.case.words")).toBe("UPPERCaseWords");
+  });
+});