feat: add helper to camelCase the keys in an object

package.json

@@ -16,6 +16,7 @@
     "postpublish": "pinst --enable"
   },
   "dependencies": {
+    "camelcase": "^5.3.1",
     "got": "^11.8.2"
   },
   "devDependencies": {

src/helper/util.ts

@@ -0,0 +1,10 @@
+import type { Data } from "./types";
+import camelCase from "camelcase";
+
+export function camelCaseKeys<T>(obj: Data): T {
+  const out: Data = {};
+  for (const key in obj) {
+    out[camelCase(key)] = obj[key];
+  }
+  return out as T;
+}

test/helper/util.test.ts

@@ -0,0 +1,17 @@
+import * as util from "../../src/helper/util";
+
+describe("camelCaseKeys()", () => {
+  it("should convert keys to camel case", () => {
+    const a = { foo_bar: "a", bar_foo: "b" };
+    const b = { fooBar: "a", barFoo: "b" };
+
+    expect(util.camelCaseKeys(a)).toStrictEqual(b);
+  });
+
+  it("should preserve camel cased keys", () => {
+    const a = { fooBar: "a", barFoo: "b" };
+    const b = { fooBar: "a", barFoo: "b" };
+
+    expect(util.camelCaseKeys(a)).toStrictEqual(b);
+  });
+});