diff --git a/build-components.mjs b/build-components.mjs
index ae30074..193e5ac 100644
--- a/build-components.mjs
+++ b/build-components.mjs
@@ -3,6 +3,7 @@ import fs from "node:fs/promises";
 import path from "node:path";
 import { createHash } from "node:crypto";
 import { execFileSync } from "node:child_process";
+import { pathToFileURL } from "node:url";
 const digest = (bytes) => createHash("sha256").update(bytes).digest("hex");
 export async function buildComponents({ config, compiler, plan, pkg, output, recordFile, generated }) {
   const settings = config.components;
@@ -158,6 +159,9 @@ export async function buildComponents({ config, compiler, plan, pkg, output, rec
       `\nexport {};\ndeclare module ${JSON.stringify("./" + bindingPath.replace(/\.ts$/, ".js"))} { interface ModuleProps {${propsMembers.join("\n")}} }\n`,
   );
   const components = [];
+  const { checkControls } = await import(pathToFileURL(path.join(settings.sdk, "lint-controls.mjs")));
+  const { default: ts } = await import(pathToFileURL(path.resolve(path.dirname(config.tsc), "../lib/typescript.js")));
+  const checkedControls = new Set();
   for (const [id, entry] of entries) {
     const declaration = declarations.find((component) => component.id === id),
       source = compiler.artifactPath(entry.entry);
@@ -225,6 +229,12 @@ export async function buildComponents({ config, compiler, plan, pkg, output, rec
     );
     const meta = JSON.parse(await fs.readFile(metadata, "utf8")),
       outputs = Object.entries(meta.outputs);
+    for (const file of Object.keys(meta.inputs)) {
+      if (!/\.[cm]?[jt]sx?$/.test(file) || file.includes("node_modules/") || checkedControls.has(file)) continue;
+      checkedControls.add(file);
+      const errors = checkControls(ts, await fs.readFile(path.resolve(work, file), "utf8"), file);
+      if (errors.length) throw Error(errors.join("\n"));
+    }
     const main = outputs.find(([file]) => file.endsWith("/module.mjs"))?.[1];
     if (!main?.exports.includes(entry.export)) throw Error("Component bundle lacks declared export");
     if (