Initial Commit

packages/foundation/data/serialize/tests/no-disallowed.test.ts

@@ -0,0 +1,69 @@
+import { readdirSync, readFileSync, statSync } from "node:fs";
+import { join } from "node:path";
+import { describe, expect, it } from "@suaveplan/testing/runner";
+
+const DISALLOWED_PATTERNS = [
+    "node:fs",
+    "node:path",
+    "node:url",
+    "process.env",
+    "Buffer",
+    "document.",
+    "window.",
+];
+
+// Allow ReadableStream (Web Streams API — explicitly permitted)
+
+function walkDir(dir: string, results: string[] = []): string[] {
+    for (const entry of readdirSync(dir)) {
+        const full = join(dir, entry);
+        if (statSync(full).isDirectory()) {
+            if (
+                entry !== "__benchmarks__" &&
+                entry !== "node_modules" &&
+                entry !== "dist"
+            ) {
+                walkDir(full, results);
+            }
+        } else if (
+            full.endsWith(".ts") &&
+            !full.endsWith(".test.ts") &&
+            !full.endsWith(".bench.ts") &&
+            !full.endsWith(".types.ts")
+        ) {
+            results.push(full);
+        }
+    }
+    return results;
+}
+
+describe("no-disallowed: source files must not use banned APIs", () => {
+    it("source files do not use node:fs, node:path, node:url, process.env, Buffer, document, window", {
+        timeout: 10000,
+    }, () => {
+        const srcDir = join(import.meta.dirname, "..", "src");
+        const files = walkDir(srcDir);
+
+        const violations: string[] = [];
+
+        for (const file of files) {
+            const content = readFileSync(file, "utf-8");
+            const relativePath = file.split("/src/")[1] ?? file;
+
+            for (const pattern of DISALLOWED_PATTERNS) {
+                if (content.includes(pattern)) {
+                    violations.push(`${relativePath}: contains "${pattern}"`);
+                }
+            }
+        }
+
+        if (violations.length > 0) {
+            throw new Error(
+                `Disallowed patterns found in source:\n${violations.join("\n")}`
+            );
+        }
+
+        // At least checked one file
+        expect(files.length).toBeGreaterThan(0);
+    });
+});