Add react i18next to console

Signed-off-by: Jonathan <contact@grafikart.fr>

packages/i18n/index.test.ts

@@ -0,0 +1,50 @@
+// Copyright (c) 2025-2026 Probo Inc <hello@probo.com>.
+//
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files (the "Software"), to deal
+// in the Software without restriction, including without limitation the rights
+// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+// copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+//
+// The above copyright notice and this permission notice shall be included in
+// all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+// SOFTWARE.
+
+import { describe, expect, it } from "vitest";
+
+import { fileSize, humanizeSeconds } from "./index";
+
+describe("fileSize", () => {
+  it("formats byte counts with translated units", () => {
+    const t = (key: string) => key.replace("size.", "");
+
+    expect(fileSize(4911, t)).toBe("4.8 KB");
+    expect(fileSize(20, t)).toBe("20 B");
+  });
+});
+
+describe("humanizeSeconds", () => {
+  const t = (key: string, options?: { count?: number }) => {
+    const unit = key.replace("duration.", "");
+    if (unit === "session" || unit === "persistent") return unit;
+    return options?.count === 1 ? unit.slice(0, -1) : unit;
+  };
+
+  it("formats durations with translated plural units", () => {
+    expect(humanizeSeconds(4570, t)).toBe("1 hour, 16 minutes, 10 seconds");
+    expect(humanizeSeconds(120, t)).toBe("2 minutes");
+  });
+
+  it("formats trackers without a max age as session or persistent", () => {
+    expect(humanizeSeconds(null, t)).toBe("session");
+    expect(humanizeSeconds(0, t, "LOCAL_STORAGE")).toBe("persistent");
+  });
+});