test: add tests for declarationSignatureToHtml

Author: velut

lib/declaration-signature-to-html.test.ts

@@ -0,0 +1,57 @@
+import { expect, test } from "vitest";
+import { declarationSignatureToHtml } from "./declaration-signature-to-html";
+
+test("variable", async () => {
+	await expect(
+		declarationSignatureToHtml(
+			{
+				kind: "variable",
+				id: "foo",
+				name: "foo",
+				docs: [],
+				file: "foo.ts",
+				line: 123,
+				signature: "const foo: Bar;",
+			},
+			(s) => (s === "Bar" ? "bar.ts#L789" : undefined),
+		),
+	).resolves.toMatchInlineSnapshot(
+		`"<pre class="shiki shiki-themes github-light github-dark" style="background-color:#f7f7f7;--shiki-dark-bg:#24292e;color:#24292e;--shiki-dark:#e1e4e8" tabindex="0"><code><span class="line"><span style="color:#D73A49;--shiki-dark:#F97583">const</span><span style="color:#24292E;--shiki-dark:#E1E4E8"> </span><span style="color:#005CC5;--shiki-dark:#79B8FF">foo</span><span style="color:#D73A49;--shiki-dark:#F97583">:</span><span style="color:#24292E;--shiki-dark:#E1E4E8"> </span><a style="color:#6F42C1;--shiki-dark:#B392F0" href="bar.ts#L789">Bar</a><span style="color:#24292E;--shiki-dark:#E1E4E8">;</span></span></code></pre>"`,
+	);
+});
+
+test("class property", async () => {
+	await expect(
+		declarationSignatureToHtml(
+			{
+				kind: "class-property",
+				id: "Foo.bar",
+				name: "bar",
+				docs: [],
+				file: "foo.ts",
+				line: 123,
+				signature: "readonly bar: Bar;",
+			},
+			(s) => (s === "Bar" ? "bar.ts#L789" : undefined),
+		),
+	).resolves.toMatchInlineSnapshot(`"<pre class="shiki shiki-themes github-light github-dark" style="background-color:#f7f7f7;--shiki-dark-bg:#24292e;color:#24292e;--shiki-dark:#e1e4e8" tabindex="0"><code><span class="line"><span style="color:#D73A49;--shiki-dark:#F97583">readonly</span><span style="color:#24292E;--shiki-dark:#E1E4E8"> </span><span style="color:#E36209;--shiki-dark:#FFAB70">bar</span><span style="color:#D73A49;--shiki-dark:#F97583">:</span><span style="color:#24292E;--shiki-dark:#E1E4E8"> </span><a style="color:#6F42C1;--shiki-dark:#B392F0" href="bar.ts#L789">Bar</a><span style="color:#24292E;--shiki-dark:#E1E4E8">;</span></span></code></pre>"`);
+});
+
+test("don't link from function parameter name", async () => {
+	await expect(
+		declarationSignatureToHtml(
+			{
+				kind: "function",
+				id: "foo",
+				name: "foo",
+				docs: [],
+				file: "foo.ts",
+				line: 123,
+				signature: "(bar: Bar) => Bar;",
+			},
+			(s) => (s.toLowerCase() === "bar" ? "bar.ts#L789" : undefined),
+		),
+	).resolves.toMatchInlineSnapshot(
+		`"<pre class="shiki shiki-themes github-light github-dark" style="background-color:#f7f7f7;--shiki-dark-bg:#24292e;color:#24292e;--shiki-dark:#e1e4e8" tabindex="0"><code><span class="line"><span style="color:#24292E;--shiki-dark:#E1E4E8">(</span><span style="color:#E36209;--shiki-dark:#FFAB70">bar</span><span style="color:#D73A49;--shiki-dark:#F97583">:</span><span style="color:#24292E;--shiki-dark:#E1E4E8"> </span><a style="color:#6F42C1;--shiki-dark:#B392F0" href="bar.ts#L789">Bar</a><span style="color:#24292E;--shiki-dark:#E1E4E8">) </span><span style="color:#D73A49;--shiki-dark:#F97583">=&gt;</span><span style="color:#24292E;--shiki-dark:#E1E4E8"> </span><a style="color:#6F42C1;--shiki-dark:#B392F0" href="bar.ts#L789">Bar</a><span style="color:#24292E;--shiki-dark:#E1E4E8">;</span></span></code></pre>"`,
+	);
+});