Misc improvements

.gitignore

@@ -11,7 +11,6 @@ src/**/*.js
 c_bridges/*.o
 
 # Generated files
-src/codegen/stdlib/embedded-dts.ts
 lib/*.js
 lib/*.js.map
 lib/*.d.ts

docs/.vitepress/theme/ExampleTabs.vue

@@ -19,15 +19,14 @@ const examples = [
   {
     label: 'HTTP Server',
     file: 'server.ts',
-    code: `function handleRequest(req: HttpRequest): HttpResponse {
-  if (req.path == "/") {
-    return { status: 200, body: "Hello, world!" };
-  }
-  return { status: 404, body: "Not Found" };
+    code: `ChadScript.embedDir("./public");
+
+function handleRequest(req: HttpRequest): HttpResponse {
+  return ChadScript.serveEmbedded(req.path);
 }
 
 httpServe(3000, handleRequest);`,
-    run: '$ chad run server.ts',
+    run: '$ chad build server.ts -o server && ./server',
     output: `listening on port 3000`,
   },
   {
@@ -53,36 +52,23 @@ sqlite.close(db);`,
   },
   {
     label: 'Async',
-    file: 'parallel.ts',
-    code: `async function main() {
-  const a = fetch("https://api.example.com/users");
-  const b = fetch("https://api.example.com/posts");
-  const [users, posts] = await Promise.all([a, b]);
-  console.log("users: " + users.status);
-  console.log("posts: " + posts.status);
-}
-
-main();`,
-    run: '$ chad run parallel.ts',
-    output: `users: 200\nposts: 200`,
-  },
-  {
-    label: 'Single-Binary Webapp',
-    file: 'app.ts',
-    code: `// HTML & CSS are embedded into the binary at compile time
-ChadScript.embedDir("./public");
+    file: 'stars.ts',
+    code: `interface Repo { stargazers_count: number }
 
-function handleRequest(req: HttpRequest): HttpResponse {
-  if (req.path == "/")
-    return { status: 200, body: ChadScript.getEmbeddedFile("index.html") };
-  if (req.path == "/style.css")
-    return { status: 200, body: ChadScript.getEmbeddedFile("style.css") };
-  return { status: 404, body: "Not Found" };
+async function main() {
+  const results = await Promise.all([
+    fetch("https://api.github.com/repos/cs01/ChadScript"),
+    fetch("https://api.github.com/repos/facebook/react"),
+  ]);
+  const cs = JSON.parse<Repo>(results[0].text());
+  const react = JSON.parse<Repo>(results[1].text());
+  console.log("ChadScript: " + cs.stargazers_count + " stars");
+  console.log("React: " + react.stargazers_count + " stars");
 }
 
-httpServe(3000, handleRequest);`,
-    run: '$ chad build app.ts -o webapp && ./webapp',
-    output: `listening on port 3000`,
+main();`,
+    run: '$ chad run stars.ts',
+    output: `ChadScript: mass stars\nReact: 235k stars`,
   },
 ]
 

examples/hackernews/app.ts

@@ -127,11 +127,6 @@ function handleRequest(req: HttpRequest): HttpResponse {
     return { status: 200, body: body };
   }
 
-  if (req.method === "GET" && req.path === "/style.css") {
-    const css = ChadScript.getEmbeddedFile("style.css");
-    return { status: 200, body: css };
-  }
-
   if (req.method === "POST" && req.path.startsWith("/upvote/")) {
     const idStr = req.path.substring(8, req.path.length);
     sqlite.exec(db, "UPDATE posts SET points = points + 1 WHERE id = ?", [idStr]);
@@ -140,7 +135,8 @@ function handleRequest(req: HttpRequest): HttpResponse {
     return { status: 200, body: redirectHtml };
   }
 
-  return { status: 404, body: "Not Found" };
+  // Serve all other embedded files (CSS, images, etc.) with a single line
+  return ChadScript.serveEmbedded(req.path);
 }
 
 console.log("Hacker News Clone");

examples/parallel.ts

@@ -1,17 +1,20 @@
 // Parallel HTTP Fetches - demonstrates async/await with Promise.all
 
-console.log("Parallel Fetch Demo");
-console.log("  fetching two URLs concurrently with Promise.all...");
-console.log("");
+interface Repo {
+  stargazers_count: number;
+}
 
 async function main(): Promise<void> {
-  const a = fetch("https://api.example.com/users");
-  const b = fetch("https://api.example.com/posts");
-  const [users, posts] = await Promise.all([a, b]);
+  const results = await Promise.all([
+    fetch("https://api.github.com/repos/cs01/ChadScript"),
+    fetch("https://api.github.com/repos/facebook/react"),
+  ]);
+
+  const cs = JSON.parse<Repo>(results[0].text());
+  const react = JSON.parse<Repo>(results[1].text());
 
-  console.log("Results:");
-  console.log("  https://api.example.com/users -> " + users.status);
-  console.log("  https://api.example.com/posts -> " + posts.status);
+  console.log("ChadScript: " + cs.stargazers_count + " stars");
+  console.log("React: " + react.stargazers_count + " stars");
 }
 
 main();

package.json

@@ -9,7 +9,6 @@
   },
   "scripts": {
     "compile": "tsx src/chad-node.ts build",
-    "prebuild": "node scripts/embed-dts.js",
     "build": "tsc",
     "test": "node scripts/test.js",
     "test:fast": "npm run build && node --import tsx --test tests/smoke.test.ts",

src/chad-native.ts

@@ -9,7 +9,8 @@ import {
   addLinkLib,
   addLinkPath,
 } from "./native-compiler-lib.js";
-import { getDtsContent } from "./codegen/stdlib/embedded-dts.js";
+// d.ts content is embedded at compile time via ChadScript.embedFile
+const dtsContent = ChadScript.embedFile("../chadscript.d.ts");
 import { ArgumentParser } from "./argparse.js";
 
 declare const fs: {
@@ -97,7 +98,6 @@ if (parser.getFlag("version")) {
 const command = parser.getSubcommand();
 
 if (command === "init") {
-  const dtsContent = getDtsContent();
   if (fs.existsSync("chadscript.d.ts")) {
     console.log("  skip chadscript.d.ts (already exists)");
   } else {

src/codegen/expressions/method-calls/string-methods.ts

@@ -317,12 +317,19 @@ export function handleStringArrayIndexOf(
 ): string {
   const arrayPtr = ctx.generateExpression(expr.object, params);
 
-  if (expr.args.length !== 1) {
-    return ctx.emitError(`indexOf() expects 1 argument, got ${expr.args.length}`, expr.loc);
+  if (expr.args.length < 1 || expr.args.length > 2) {
+    return ctx.emitError(`indexOf() expects 1 or 2 arguments, got ${expr.args.length}`, expr.loc);
   }
 
   const searchValue = ctx.generateExpression(expr.args[0], params);
 
+  // Optional fromIndex (2nd arg) — defaults to 0
+  let fromIndex = "0";
+  if (expr.args.length === 2) {
+    const fromRaw = ctx.generateExpression(expr.args[1], params);
+    fromIndex = convertToI32(ctx, fromRaw);
+  }
+
   const checkLabel = ctx.nextLabel("indexof_check");
   const bodyLabel = ctx.nextLabel("indexof_body");
   const foundLabel = ctx.nextLabel("indexof_found");
@@ -351,7 +358,7 @@ export function handleStringArrayIndexOf(
   ctx.emitLabel(`${checkLabel}_start`);
   const counterPtr = ctx.nextTemp();
   ctx.emit(`${counterPtr} = alloca i32`);
-  ctx.emitStore("i32", "0", counterPtr);
+  ctx.emitStore("i32", fromIndex, counterPtr);
 
   ctx.emitBr(checkLabel);
 

src/codegen/stdlib/init-templates.ts

@@ -1,5 +1,13 @@
 import * as fs from "fs";
-import { getDtsContent } from "./embedded-dts.js";
+import * as path from "path";
+import { fileURLToPath } from "url";
+
+const __dirname = path.dirname(fileURLToPath(import.meta.url));
+
+function getDtsContent(): string {
+  // Read the canonical chadscript.d.ts from the repo root
+  return fs.readFileSync(path.join(__dirname, "../../../chadscript.d.ts"), "utf8");
+}
 
 const TSCONFIG_CONTENT = `{
   "compilerOptions": {