Add sortByNumericValue function

We want to be able to sort by the number of open issues too.
To keep things DRY it makes sense to add a function that allows us to
sort by any property of a repo that has a numeric value.

utils/sorting.js

@@ -18,3 +18,18 @@ export const sortByOpenPrs = (repos, sortDirection) => {
   }
   return repos.sort((a, b) => b.openPrsCount - a.openPrsCount);
 };
+
+/**
+ * Sorts repos by the a numeric value
+ * @param {UiRepo[]} repos
+ * @param {SortDirection} sortDirection
+ * @param {string} key - The key to sort by
+ * @returns {UiRepo[]}
+ */
+export const sortByNumericValue = (repos, sortDirection, key) => {
+  if (!sortDirection) return repos;
+  if (sortDirection === "asc") {
+    return repos.sort((a, b) => a[key] - b[key]);
+  }
+  return repos.sort((a, b) => b[key] - a[key]);
+};

utils/sorting.test.js

@@ -1,6 +1,6 @@
 import { describe, it } from "node:test";
 import expect from "node:assert";
-import { sortByOpenPrs } from "./sorting.js";
+import { sortByOpenPrs, sortByNumericValue } from "./sorting.js";
 
 describe("sortByOpenPrs", () => {
   it("returns the original array if sortDirection is not provided", () => {
@@ -47,3 +47,49 @@ describe("sortByOpenPrs", () => {
     ]);
   });
 });
+
+describe("sortByNumericValue", () => {
+  it("returns the original array if sortDirection is not provided", () => {
+    const repos = [
+      { name: "Repo 1", value: 5 },
+      { name: "Repo 2", value: 3 },
+      { name: "Repo 3", value: 7 },
+    ];
+
+    const result = sortByNumericValue(repos, null, "value");
+
+    expect.deepEqual(result, repos);
+  });
+
+  it("sorts the array in ascending order by the specified key if sortDirection is 'asc'", () => {
+    const repos = [
+      { name: "Repo 1", value: 5 },
+      { name: "Repo 2", value: 3 },
+      { name: "Repo 3", value: 7 },
+    ];
+
+    const result = sortByNumericValue(repos, "asc", "value");
+
+    expect.deepEqual(result, [
+      { name: "Repo 2", value: 3 },
+      { name: "Repo 1", value: 5 },
+      { name: "Repo 3", value: 7 },
+    ]);
+  });
+
+  it("sorts the array in descending order by the specified key if sortDirection is 'desc'", () => {
+    const repos = [
+      { name: "Repo 1", value: 5 },
+      { name: "Repo 2", value: 3 },
+      { name: "Repo 3", value: 7 },
+    ];
+
+    const result = sortByNumericValue(repos, "desc", "value");
+
+    expect.deepEqual(result, [
+      { name: "Repo 3", value: 7 },
+      { name: "Repo 1", value: 5 },
+      { name: "Repo 2", value: 3 },
+    ]);
+  });
+});