one/dist/esm/utils/getPathnameFromFilePath.test.mjs

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

import { describe, expect, it } from "vitest";
import { getPathnameFromFilePath } from "./getPathnameFromFilePath.mjs";
describe("getPathnameFromFilePath", () => {
  it("index route", () => {
    expect(getPathnameFromFilePath("/index+spa.tsx")).toBe("/");
  });
  it("simple page", () => {
    expect(getPathnameFromFilePath("/about+ssg.tsx")).toBe("/about");
  });
  it("dynamic param", () => {
    expect(getPathnameFromFilePath("/[serverId]/index+spa.tsx")).toBe("/:serverId/");
  });
  it("nested dynamic params", () => {
    expect(getPathnameFromFilePath("/[serverId]/[channelId]/index+spa.tsx")).toBe("/:serverId/:channelId/");
  });
  it("catch-all route without params", () => {
    expect(getPathnameFromFilePath("/docs/[...slug]+ssg.tsx")).toBe("/docs/*");
  });
  it("catch-all route with params", () => {
    expect(getPathnameFromFilePath("/docs/[...slug]+ssg.tsx", {
      slug: "intro/basics"
    })).toBe("/docs/intro/basics");
  });
  it("route groups are stripped", () => {
    expect(getPathnameFromFilePath("/(site)/(legal)/terms+ssg.tsx")).toBe("/terms");
  });
  it("nested path", () => {
    expect(getPathnameFromFilePath("/dashboard/settings/index+ssr.tsx")).toBe("/dashboard/settings/");
  });
  it("folder render mode suffix stripped", () => {
    expect(getPathnameFromFilePath("/folder+ssr/page+ssg.tsx")).toBe("/folder/page");
  });
  it("+not-found route", () => {
    expect(getPathnameFromFilePath("/not-found/+not-found+ssg.tsx")).toBe("/not-found/+not-found");
  });
  it("dynamic param with +not-found", () => {
    expect(getPathnameFromFilePath("/[slug]/+not-found+ssr.tsx")).toBe("/:slug/+not-found");
  });
  it("underscore-prefixed path segment", () => {
    expect(getPathnameFromFilePath("/_/home/index+spa.tsx")).toBe("/_/home/");
  });
  describe("input must start with / not ./", () => {
    it('"./" prefix produces wrong keys', () => {
      const broken = getPathnameFromFilePath("./[serverId]/index+spa.tsx");
      expect(broken).toBe("./:serverId/");
      expect(broken).not.toBe("/:serverId/");
    });
    it('"/" prefix produces correct keys', () => {
      expect(getPathnameFromFilePath("/[serverId]/index+spa.tsx")).toBe("/:serverId/");
    });
    it('"./" root produces wrong key', () => {
      const broken = getPathnameFromFilePath("./index+spa.tsx");
      expect(broken).toBe("./");
      expect(broken).not.toBe("/");
    });
    it('"/" root produces correct key', () => {
      expect(getPathnameFromFilePath("/index+spa.tsx")).toBe("/");
    });
  });
  describe("with params substitution", () => {
    it("substitutes dynamic param", () => {
      expect(getPathnameFromFilePath("/ssr/[param]+ssr.tsx", {
        param: "hello"
      })).toBe("/ssr/hello");
    });
    it("substitutes params in both dirname and filename", () => {
      expect(getPathnameFromFilePath("/servers/[serverId]/[channelId]+spa.tsx", {
        serverId: "abc",
        channelId: "123"
      })).toBe("/servers/abc/123");
    });
    it("substitutes dirname params for SSG dynamic routes", () => {
      expect(getPathnameFromFilePath("/[lang]/index+ssg.tsx", {
        lang: "en"
      }, true)).toBe("/en/");
      expect(getPathnameFromFilePath("/[lang]/index+ssg.tsx", {
        lang: "ko"
      }, true)).toBe("/ko/");
    });
    it("substitutes nested dirname params", () => {
      expect(getPathnameFromFilePath("/[lang]/[region]/index+ssg.tsx", {
        lang: "en",
        region: "us"
      }, true)).toBe("/en/us/");
    });
  });
  describe("strict mode", () => {
    it("throws on missing param in strict mode", () => {
      expect(() => getPathnameFromFilePath("/[id]+ssr.tsx", {}, true)).toThrow("Params doesn't fit route");
    });
    it("returns placeholder in non-strict mode", () => {
      expect(getPathnameFromFilePath("/[id]+ssr.tsx", {}, false)).toBe("/:id");
    });
  });
});
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