one/dist/esm/views/PreloadLinks.test.mjs

One is a new React Framework that makes Vite serve both native and web.

import { describe, expect, it } from "vitest";
import { getPrefetchableHref } from "./PreloadLinks.mjs";
function createMockAnchor(attrs) {
  const el = {
    getAttribute(name) {
      if (name === "href") return attrs.href ?? null;
      if (name === "rel") return attrs.rel ?? null;
      return null;
    },
    hasAttribute(name) {
      if (name === "download") return !!attrs.download;
      return false;
    },
    target: attrs.target ?? ""
  };
  return el;
}
describe("getPrefetchableHref", () => {
  const baseUrl = "https://tamagui.dev";
  it("returns clean href for valid internal routes", () => {
    const anchor = createMockAnchor({
      href: "/ui/button"
    });
    expect(getPrefetchableHref(anchor, baseUrl)).toBe("/ui/button");
  });
  it("returns clean href for absolute urls matching baseUrl", () => {
    const anchor = createMockAnchor({
      href: "https://tamagui.dev/docs/intro"
    });
    expect(getPrefetchableHref(anchor, baseUrl)).toBe("/docs/intro");
  });
  it('returns null for target="_blank"', () => {
    const anchor = createMockAnchor({
      href: "/docs/intro",
      target: "_blank"
    });
    expect(getPrefetchableHref(anchor, baseUrl)).toBeNull();
  });
  it("returns null for download attribute", () => {
    const anchor = createMockAnchor({
      href: "/archive.zip",
      download: true
    });
    expect(getPrefetchableHref(anchor, baseUrl)).toBeNull();
  });
  it('returns null for rel="external"', () => {
    const anchor = createMockAnchor({
      href: "/docs",
      rel: "external"
    });
    expect(getPrefetchableHref(anchor, baseUrl)).toBeNull();
  });
  it("returns null for file extensions (.md, .txt, .png, etc.)", () => {
    expect(getPrefetchableHref(createMockAnchor({
      href: "/ui/button.md"
    }), baseUrl)).toBeNull();
    expect(getPrefetchableHref(createMockAnchor({
      href: "/llms.txt"
    }), baseUrl)).toBeNull();
    expect(getPrefetchableHref(createMockAnchor({
      href: "https://tamagui.dev/ui/button.md"
    }), baseUrl)).toBeNull();
    expect(getPrefetchableHref(createMockAnchor({
      href: "https://tamagui.dev/llms.txt"
    }), baseUrl)).toBeNull();
  });
  it("returns null for external urls", () => {
    const anchor = createMockAnchor({
      href: "https://google.com/about"
    });
    expect(getPrefetchableHref(anchor, baseUrl)).toBeNull();
  });
});
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