one/dist/esm/vite/plugins/criticalCSSPlugin.test.native.js

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

import { afterEach, beforeEach, describe, expect, it, vi } from "vitest";
describe("criticalCSSPlugin", function () {
  beforeEach(function () {
    vi.resetModules();
  });
  afterEach(function () {
    vi.clearAllMocks();
  });
  describe("resolveId", function () {
    it("should return null for non-inline CSS imports", async function () {
      var {
        criticalCSSPlugin
      } = await import("./criticalCSSPlugin.native.js");
      var plugin = criticalCSSPlugin();
      plugin.configResolved({
        root: "/project"
      });
      var result = await plugin.resolveId.call({
        resolve: vi.fn()
      }, "./styles.css", "/project/src/App.tsx");
      expect(result).toBeNull();
    });
    it("should return null for non-css imports", async function () {
      var {
        criticalCSSPlugin
      } = await import("./criticalCSSPlugin.native.js");
      var plugin = criticalCSSPlugin();
      plugin.configResolved({
        root: "/project"
      });
      var result = await plugin.resolveId.call({
        resolve: vi.fn()
      }, "./data.json", "/project/src/App.tsx");
      expect(result).toBeNull();
    });
    it("should resolve .inline.css and track it", async function () {
      var {
        criticalCSSPlugin
      } = await import("./criticalCSSPlugin.native.js");
      var plugin = criticalCSSPlugin();
      plugin.configResolved({
        root: "/project"
      });
      var mockResolve = vi.fn().mockResolvedValue({
        id: "/project/src/styles.inline.css"
      });
      var result = await plugin.resolveId.call({
        resolve: mockResolve
      }, "./styles.inline.css", "/project/src/App.tsx");
      expect(mockResolve).toHaveBeenCalledWith("./styles.inline.css", "/project/src/App.tsx", {
        skipSelf: true
      });
      expect(result).toEqual({
        id: "/project/src/styles.inline.css"
      });
    });
    it("should track inline CSS source paths", async function () {
      var {
        criticalCSSPlugin,
        getCriticalCSSSources
      } = await import("./criticalCSSPlugin.native.js");
      var plugin = criticalCSSPlugin();
      plugin.configResolved({
        root: "/project"
      });
      var mockResolve = vi.fn().mockResolvedValue({
        id: "/project/src/layout.inline.css"
      });
      await plugin.resolveId.call({
        resolve: mockResolve
      }, "./layout.inline.css", "/project/src/App.tsx");
      var sources = getCriticalCSSSources();
      expect(sources.has("src/layout.inline.css")).toBe(true);
    });
    it("should return null when resolve fails", async function () {
      var {
        criticalCSSPlugin
      } = await import("./criticalCSSPlugin.native.js");
      var plugin = criticalCSSPlugin();
      plugin.configResolved({
        root: "/project"
      });
      var mockResolve = vi.fn().mockResolvedValue(null);
      var result = await plugin.resolveId.call({
        resolve: mockResolve
      }, "./nonexistent.inline.css", "/project/src/App.tsx");
      expect(result).toBeNull();
    });
  });
  describe("getCriticalCSSOutputPaths", function () {
    it("should map inline CSS source to output paths via manifest", async function () {
      var {
        criticalCSSPlugin,
        getCriticalCSSSources,
        getCriticalCSSOutputPaths
      } = await import("./criticalCSSPlugin.native.js");
      var plugin = criticalCSSPlugin();
      plugin.configResolved({
        root: "/project"
      });
      var mockResolve = vi.fn().mockResolvedValue({
        id: "/project/app/layout.inline.css"
      });
      await plugin.resolveId.call({
        resolve: mockResolve
      }, "./layout.inline.css", "/project/app/_layout.tsx");
      var manifest = {
        "app/layout.inline.css": {
          file: "assets/layout-abc123.css",
          src: "app/layout.inline.css"
        },
        "app/_layout.tsx": {
          file: "assets/layout-def456.js",
          css: ["assets/layout-abc123.css"],
          imports: [],
          name: "_layout"
        }
      };
      var outputPaths = getCriticalCSSOutputPaths(manifest);
      expect(outputPaths.has("/assets/layout-abc123.css")).toBe(true);
    });
    it("should return empty set when no inline CSS exists", async function () {
      var {
        getCriticalCSSOutputPaths
      } = await import("./criticalCSSPlugin.native.js");
      var manifest = {
        "app/styles.css": {
          file: "assets/styles-abc.css"
        }
      };
      var outputPaths = getCriticalCSSOutputPaths(manifest);
      expect(outputPaths).toBeDefined();
    });
  });
  describe("plugin metadata", function () {
    it("should have correct name", async function () {
      var {
        criticalCSSPlugin
      } = await import("./criticalCSSPlugin.native.js");
      var plugin = criticalCSSPlugin();
      expect(plugin.name).toBe("one:critical-css");
    });
    it("should enforce pre", async function () {
      var {
        criticalCSSPlugin
      } = await import("./criticalCSSPlugin.native.js");
      var plugin = criticalCSSPlugin();
      expect(plugin.enforce).toBe("pre");
    });
  });
});
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