release: WRNexusJS 0.8.0

packages/compiler/test/optimization.test.ts

@@ -0,0 +1,23 @@
+import { expect, test } from "bun:test";
+import { analyzeOptimizations, generate, optimizeAst, parse } from "../src/index.ts";
+
+test("compiler folds literal branches and reports optimization opportunities", () => {
+  const ast = parse(`component Optimized {
+    props { title: string = "Hello" }
+    state count = 0
+    state unused = 1
+    functions {
+      client function increment(): void { count++ }
+      client function orphan(): void { unused++ }
+    }
+    style { .used { color: red } .unused-css { color: blue } }
+    view { <section class="used"><h1>{title}</h1>{#if false}<p>dead</p>{:else}<button @click="increment">{count}</button>{/if}</section> }
+  }`);
+  const report = analyzeOptimizations(ast);
+  expect(report.eliminatedBranches).toBeGreaterThan(0);
+  expect(report.unusedHandlers).toContain("orphan");
+  expect(report.unusedLocalCssClasses).toContain("unused-css");
+  expect(report.constantProps).toContain("title");
+  expect(optimizeAst(ast).ast.view).not.toEqual(ast.view);
+  expect(generate(ast)).not.toContain("dead");
+});