Bump cookie to 1.0.2 and add server-api tests

.changeset/popular-hounds-rescue.md

@@ -0,0 +1,5 @@
+---
+"import-map-overrides": patch
+---
+
+Bump cookie to 1.0.2 and add server-api tests

package.json

@@ -74,7 +74,7 @@
     "serve": "^14.2.3"
   },
   "dependencies": {
-    "cookie": "^0.6.0"
+    "cookie": "^1.0.2"
   },
   "packageManager": "[email protected]"
 }

src/server/server-api.js

@@ -1,4 +1,4 @@
-import cookie from "cookie";
+import { parse } from "cookie";
 
 const cookiePrefix = "import-map-override:";
 const portRegex = /^\d+$/g;
@@ -34,7 +34,7 @@ export function getOverridesFromCookies(
   req,
   getUrlFromPort = defaultGetUrlFromPort,
 ) {
-  const parsedCookies = cookie.parse(req.headers["cookie"] || "");
+  const parsedCookies = parse(req.headers["cookie"] || "");
 
   const overrides = {};
 

src/server/server-api.test.js

@@ -0,0 +1,168 @@
+import { applyOverrides, getOverridesFromCookies } from "../server/server-api";
+import http from "http";
+import { serialize } from "cookie";
+
+describe("applyOverrides", () => {
+  it("should apply overrides to the import map", () => {
+    // Arrange
+    const importMap = {
+      imports: {
+        package1: "https://cdn.skypack.dev/package1",
+      },
+    };
+    const overrides = {
+      package1: "https://unpkg.com/package1",
+      package2: "https://unpkg.com/package2",
+    };
+
+    // Act
+    const result = applyOverrides(importMap, overrides);
+
+    // Assert
+    expect(importMap.imports.package1).toBe("https://cdn.skypack.dev/package1");
+    expect(result.imports.package1).toBe("https://unpkg.com/package1");
+    expect(result.imports.package2).toBe("https://unpkg.com/package2");
+    expect(result.scopes).toEqual({});
+  });
+
+  it("should handle empty overrides", () => {
+    // Arrange
+    const importMap = {
+      imports: {
+        package1: "https://cdn.skypack.dev/package1",
+      },
+    };
+    const overrides = {};
+
+    // Act
+    const result = applyOverrides(importMap, overrides);
+
+    // Assert
+    expect(result.imports.package1).toBe("https://cdn.skypack.dev/package1");
+    expect(result.scopes).toEqual({});
+  });
+
+  it("should handle overrides with scopes", () => {
+    // Arrange
+    const importMap = {
+      imports: {
+        package1: "https://cdn.skypack.dev/package1",
+      },
+      scopes: {
+        "https://example.com/": {
+          package2: "https://cdn.skypack.dev/package2",
+        },
+      },
+    };
+    const overrides = {
+      package2: "https://unpkg.com/package2",
+    };
+
+    // Act
+    const result = applyOverrides(importMap, overrides);
+
+    // Assert
+    expect(result.scopes["https://example.com/"].package2).toBe(
+      "https://cdn.skypack.dev/package2",
+    );
+  });
+});
+
+describe("getOverridesFromCookies", () => {
+  const req = new http.IncomingMessage();
+
+  beforeEach(() => {
+    req.headers = {};
+  });
+
+  it("should return an empty object if no cookies are set", () => {
+    // Act
+    const result = getOverridesFromCookies(req);
+
+    // Assert
+    expect(result).toEqual({});
+  });
+
+  it("should return overrides from cookies", () => {
+    // Arrange
+    req.headers.cookie = serialize(
+      "import-map-override:package1",
+      "https://unpkg.com/package1",
+    );
+
+    // Act
+    const result = getOverridesFromCookies(req);
+
+    // Assert
+    expect(result.package1).toBe("https://unpkg.com/package1");
+  });
+
+  it("should handle multiple overrides from cookies", () => {
+    // Arrange
+    req.headers.cookie = [
+      serialize("import-map-override:package1", "https://unpkg.com/package1"),
+      serialize("import-map-override:package2", "https://unpkg.com/package2"),
+    ].join("; ");
+
+    // Act
+    const result = getOverridesFromCookies(req);
+
+    // Assert
+    expect(result.package1).toBe("https://unpkg.com/package1");
+    expect(result.package2).toBe("https://unpkg.com/package2");
+  });
+
+  it("should handle port numbers in cookies", () => {
+    // Arrange
+    req.headers.cookie = serialize("import-map-override:package1", "8080");
+
+    // Act
+    const result = getOverridesFromCookies(
+      req,
+      (port, moduleName) => `http://localhost:${port}/${moduleName}.js`,
+    );
+
+    // Assert
+    expect(result.package1).toBe("http://localhost:8080/package1.js");
+  });
+
+  it("should handle protocol-relative URLs in cookies", () => {
+    // Arrange
+    req.protocol = "https";
+    req.headers.cookie = serialize(
+      "import-map-override:package1",
+      "//unpkg.com/package1",
+    );
+
+    // Act
+    const result = getOverridesFromCookies(req);
+
+    // Assert
+    expect(result.package1).toBe("https://unpkg.com/package1");
+  });
+
+  it("should ignore cookies that do not start with the correct prefix", () => {
+    // Arrange
+    req.headers.cookie = serialize("some-other-cookie", "some-value");
+
+    // Act
+    const result = getOverridesFromCookies(req);
+
+    // Assert
+    expect(result).toEqual({});
+  });
+
+  it("should handle cookies with empty module names", () => {
+    // Arrange
+    req.headers.cookie = serialize(
+      "import-map-override:",
+      "https://unpkg.com/package1",
+    );
+
+    // Act
+    const result = getOverridesFromCookies(req);
+
+    // Assert
+    expect(result).toEqual({});
+  });
+});