initial project setup

test/header.test.ts

@@ -0,0 +1,26 @@
+import { assert, describe, it } from "vitest";
+import { parseHeaderValueParameters } from "../src/helpers/header.js";
+
+describe("headers", () => {
+  it("parses header values with parameters", () => {
+    const { value, params } = parseHeaderValueParameters("text/html; charset=utf-8");
+
+    assert.equal(value, "text/html");
+    assert.equal(params.charset, "utf-8");
+  });
+
+  it("parses a header value with a quoted parameter", () => {
+    const { value, params } = parseHeaderValueParameters('text/html; charset="utf-8"');
+
+    assert.equal(value, "text/html");
+    assert.equal(params.charset, "utf-8");
+  });
+
+  it("parses a header value with multiple parameters", () => {
+    const { value, params } = parseHeaderValueParameters('text/html; charset="utf-8"; foo=bar');
+
+    assert.equal(value, "text/html");
+    assert.equal(params.charset, "utf-8");
+    assert.equal(params.foo, "bar");
+  });
+});