🐛 Fixed typescript configuration (#17)

package.json

@@ -16,7 +16,7 @@
  "dev": "bun run src/index.ts",
  "build": "bun run build:bun && bun run build:emitDeclarations",
  "build:bun": "bun build ./src/index.ts --outdir dist --target bun --minify --sourcemap=external",
- "build:emitDeclarations": "tsc --emitDeclarationOnly --project tsconfig.json --tsBuildInfoFile './dist/.tsbuildinfo'",
+ "build:emitDeclarations": "tsc --emitDeclarationOnly --project tsconfig.build.json --tsBuildInfoFile './dist/.tsbuildinfo'",
  "sandbox": "bun run ./sandbox/index.ts",
  "test": "bun test --coverage",
  "lint": "bunx biome lint --write ./src ./tests",
@@ -41,4 +41,4 @@
  "testing",
  "unit-testing"
  ]
-}
+}

src/utils.ts

@@ -76,7 +76,7 @@ export const makeResponse = (
  status,
  statusText: status,
  url,
- headers: response?.headers ?? headers,
+ headers: new Headers(response?.headers ?? headers),
  text: () => Promise.resolve(body),
  json: () => Promise.resolve(body),
  redirected: false,

tests/mock.test.ts

@@ -40,7 +40,10 @@ describe("Mock", () => {
  },
  };
  expect(mock(request, options)).toBe(true);
- expect(mock(request, options)).toBe(undefined);
+
+ // for some reason the expect function fails to infer the return type correctly and only infers
+ // it as boolean so we specify the type of expect explicitly as the return type of the function
+ expect<ReturnType<typeof mock>>(mock(request, options)).toBe(undefined);
  await fetch(`${API_URL}/users`);
  });
 
@@ -192,7 +195,8 @@ describe("Mock", () => {
  const response = await fetch(`${API_URL}/users`, {
  headers: { "x-foo-bar": "baz" },
  });
- expect(response.headers).toEqual({ "x-baz-qux": "quux" });
+
+ expect(response.headers).toEqual(new Headers({ "x-baz-qux": "quux" }));
  });
 
  test("mock: should not mock a request if it is not registered", async () => {

tsconfig.base.json

@@ -0,0 +1,22 @@
+{
+ "compilerOptions": {
+ "lib": ["ESNext"],
+ "module": "esnext",
+ "target": "esnext",
+ "moduleResolution": "node",
+ "moduleDetection": "force",
+ "noEmit": false,
+ "declaration": true,
+ "composite": true,
+ "strict": true,
+ "downlevelIteration": true,
+ "skipLibCheck": true,
+ "jsx": "react-jsx",
+ "allowSyntheticDefaultImports": true,
+ "forceConsistentCasingInFileNames": true,
+ "allowJs": true,
+ "types": [
+ "bun-types" // add Bun global
+ ]
+ }
+}

tsconfig.build.json

@@ -0,0 +1,9 @@
+{
+ "extends": "./tsconfig.base.json",
+ "compilerOptions": {
+ "rootDir": "src",
+ "outDir": "dist"
+ },
+ "include": ["src/**/*.ts"],
+ "exclude": ["node_modules", "dist", "sandbox", "tests"]
+}

tsconfig.json

@@ -1,26 +1,8 @@
 {
- "compilerOptions": {
- "lib": ["ESNext"],
- "module": "esnext",
- "target": "esnext",
- "moduleResolution": "node",
- "moduleDetection": "force",
- "outDir": "dist",
- "rootDir": "src",
- "noEmit": false,
- "declaration": true,
- "composite": true,
- "strict": true,
- "downlevelIteration": true,
- "skipLibCheck": true,
- "jsx": "react-jsx",
- "allowSyntheticDefaultImports": true,
- "forceConsistentCasingInFileNames": true,
- "allowJs": true,
- "types": [
- "bun-types" // add Bun global
- ]
- },
- "include": ["src/**/*.ts"],
- "exclude": ["node_modules", "dist", "tests", "sandbox"]
+ "extends": "./tsconfig.base.json",
+ "compilerOptions": {
+ "rootDirs": ["src", "tests"]
+ },
+ "include": ["src/**/*.ts", "tests/**/*.ts"],
+ "exclude": ["node_modules", "dist", "sandbox"]
 }