chore: import upstream snapshot with attribution

scripts/verify-packed-manifests.mjs

@@ -0,0 +1,296 @@
+#!/usr/bin/env node
+
+import { execFileSync } from "node:child_process";
+import { existsSync, mkdtempSync, readdirSync, readFileSync, rmSync } from "node:fs";
+import { extname, join, posix } from "node:path";
+import { tmpdir } from "node:os";
+import { fileURLToPath } from "node:url";
+
+const ROOT = join(import.meta.dirname, "..");
+const PACKAGES_DIR = join(ROOT, "packages");
+const DEP_FIELDS = ["dependencies", "devDependencies", "peerDependencies", "optionalDependencies"];
+const RUNTIME_IMPORT_EXTENSIONS = new Set([".js", ".mjs", ".cjs", ".json", ".wasm", ".node"]);
+const PACKED_JAVASCRIPT_FILE_PATTERN = /\.(?:js|mjs|cjs)$/;
+
+function listWorkspacePackageDirs() {
+  return readdirSync(PACKAGES_DIR)
+    .map((dir) => join("packages", dir))
+    .filter((dir) => existsSync(join(ROOT, dir, "package.json")));
+}
+
+function listWorkspaceRefs(pkg) {
+  return DEP_FIELDS.flatMap((field) =>
+    Object.entries(pkg[field] || {})
+      .filter(([, spec]) => String(spec).startsWith("workspace:"))
+      .map(([depName, spec]) => `${field}:${depName}=${spec}`),
+  );
+}
+
+function listMissingPublishedExports(pkg) {
+  if (!pkg.exports || !pkg.publishConfig?.exports) return [];
+
+  return Object.keys(pkg.exports).filter((exportKey) => !(exportKey in pkg.publishConfig.exports));
+}
+
+function normalizePackagePath(path) {
+  return path.replace(/^\.\//, "");
+}
+
+function isPackageLocalPath(path) {
+  return path.startsWith("./") || path.startsWith("dist/") || path.startsWith("src/");
+}
+
+function isPublishedSourceEntrypoint(path) {
+  return /^src\/.*\.(?:ts|tsx|mts|cts)$/.test(normalizePackagePath(path));
+}
+
+function appendManifestEntry(entries, trail, path) {
+  entries.push({ field: trail.join(".") || "<root>", path });
+}
+
+function collectStringEntrypoint(value, trail, entries) {
+  appendManifestEntry(entries, trail, value);
+  return entries;
+}
+
+function collectArrayEntrypoints(value, trail, entries) {
+  value.forEach((item, index) =>
+    collectManifestEntrypoints(item, [...trail, String(index)], entries),
+  );
+  return entries;
+}
+
+function collectObjectEntrypoints(value, trail, entries) {
+  Object.entries(value).forEach(([key, nested]) =>
+    collectManifestEntrypoints(nested, [...trail, key], entries),
+  );
+  return entries;
+}
+
+function isStringEntrypoint(value) {
+  return typeof value === "string";
+}
+
+function isArrayEntrypoint(value) {
+  return Array.isArray(value);
+}
+
+function isObjectEntrypoint(value) {
+  return Boolean(value) && typeof value === "object";
+}
+
+const MANIFEST_ENTRY_COLLECTORS = [
+  [isStringEntrypoint, collectStringEntrypoint],
+  [isArrayEntrypoint, collectArrayEntrypoints],
+  [isObjectEntrypoint, collectObjectEntrypoints],
+];
+
+function collectManifestEntrypoints(value, trail = [], entries = []) {
+  const collector = MANIFEST_ENTRY_COLLECTORS.find(([matches]) => matches(value));
+  return collector ? collector[1](value, trail, entries) : entries;
+}
+
+function listPackedEntrypoints(pkg) {
+  const entries = [];
+
+  for (const field of ["main", "module", "types", "typings"]) {
+    if (typeof pkg[field] === "string") {
+      entries.push({ field, path: pkg[field] });
+    }
+  }
+
+  if (pkg.exports != null) {
+    entries.push(...collectManifestEntrypoints(pkg.exports, ["exports"]));
+  }
+
+  return entries.filter((entry) => isPackageLocalPath(entry.path));
+}
+
+function listPackedFiles(filename) {
+  const output = execFileSync("tar", ["-tf", filename], {
+    cwd: ROOT,
+    encoding: "utf8",
+  });
+
+  return new Set(
+    output
+      .split("\n")
+      .filter(Boolean)
+      .map((path) => path.replace(/^package\//, "")),
+  );
+}
+
+function stripSpecifierQuery(specifier) {
+  return specifier.replace(/[?#].*$/, "");
+}
+
+function hasExplicitRuntimeExtension(specifier) {
+  return RUNTIME_IMPORT_EXTENSIONS.has(extname(stripSpecifierQuery(specifier)));
+}
+
+function listRelativeImportSpecifiers(source) {
+  const patterns = [
+    /^\s*import\s+["'](\.\.?\/[^"']+)["']/gm,
+    /^\s*(?:import|export)\b(?:(?!;)[\s\S])*?\s+from\s+["'](\.\.?\/[^"']+)["']/gm,
+    /\bimport\s*\(\s*["'](\.\.?\/[^"']+)["']\s*\)/gm,
+    /\brequire\s*\(\s*["'](\.\.?\/[^"']+)["']\s*\)/gm,
+  ];
+  const specifiers = [];
+
+  for (const pattern of patterns) {
+    for (const match of source.matchAll(pattern)) {
+      specifiers.push({ index: match.index, specifier: match[1] });
+    }
+  }
+
+  return specifiers;
+}
+
+function lineNumberAt(source, index) {
+  return source.slice(0, index).split("\n").length;
+}
+
+function readPackedFile(filename, file) {
+  return execFileSync("tar", ["-xOf", filename, `package/${file}`], {
+    cwd: ROOT,
+    encoding: "utf8",
+    maxBuffer: 64 * 1024 * 1024,
+  });
+}
+
+function verifyPackedEntrypoints(workspace, packedPackage, packedFiles) {
+  const entries = listPackedEntrypoints(packedPackage);
+  const sourceEntries = entries.filter((entry) => isPublishedSourceEntrypoint(entry.path));
+  if (sourceEntries.length > 0) {
+    throw new Error(
+      `Packed manifest for ${workspace} exposes source TypeScript entrypoints: ` +
+        sourceEntries.map((entry) => `${entry.field}:${entry.path}`).join(", "),
+    );
+  }
+
+  const missingEntries = entries.filter((entry) => {
+    const normalized = normalizePackagePath(entry.path);
+    return !normalized.includes("*") && !packedFiles.has(normalized);
+  });
+
+  if (missingEntries.length > 0) {
+    throw new Error(
+      `Packed manifest for ${workspace} points at missing files: ` +
+        missingEntries.map((entry) => `${entry.field}:${entry.path}`).join(", "),
+    );
+  }
+}
+
+function resolvePackedRelativeImport(fromFile, specifier) {
+  return posix.normalize(posix.join(posix.dirname(fromFile), stripSpecifierQuery(specifier)));
+}
+
+export function listPackedJavaScriptImportIssues(filename, packedFiles) {
+  return [...packedFiles]
+    .filter((file) => PACKED_JAVASCRIPT_FILE_PATTERN.test(file))
+    .flatMap((file) => {
+      const source = readPackedFile(filename, file);
+      return listRelativeImportSpecifiers(source).flatMap(({ index, specifier }) => {
+        if (!hasExplicitRuntimeExtension(specifier)) {
+          return [`${file}:${lineNumberAt(source, index)} imports ${specifier}`];
+        }
+
+        const target = resolvePackedRelativeImport(file, specifier);
+        if (!packedFiles.has(target)) {
+          return [`${file}:${lineNumberAt(source, index)} imports missing ${specifier}`];
+        }
+
+        return [];
+      });
+    });
+}
+
+function verifyPackedJavaScriptImports(workspace, filename, packedFiles) {
+  const importIssues = listPackedJavaScriptImportIssues(filename, packedFiles);
+  if (importIssues.length > 0) {
+    throw new Error(
+      `Packed JavaScript for ${workspace} contains Node-incompatible relative imports: ` +
+        importIssues.slice(0, 10).join(", "),
+    );
+  }
+}
+
+function parsePackJson(output, workspace) {
+  try {
+    const parsed = JSON.parse(output);
+    return Array.isArray(parsed) ? parsed : [parsed];
+  } catch {
+    throw new Error(`Could not parse pnpm pack JSON output for ${workspace}`);
+  }
+}
+
+function readWorkspacePackage(workspace) {
+  return JSON.parse(readFileSync(join(ROOT, workspace, "package.json"), "utf8"));
+}
+
+function assertPublishedExportsMatchSource(workspace, sourcePackageJson) {
+  const missingPublishedExports = listMissingPublishedExports(sourcePackageJson);
+  if (missingPublishedExports.length === 0) return;
+
+  throw new Error(
+    `${workspace} publishConfig.exports is missing source exports: ${missingPublishedExports.join(", ")}`,
+  );
+}
+
+function packWorkspace(workspace, packDir) {
+  const packOutput = execFileSync("pnpm", ["pack", "--json", "--pack-destination", packDir], {
+    cwd: join(ROOT, workspace),
+    encoding: "utf8",
+  });
+  const [{ filename }] = parsePackJson(packOutput, workspace);
+  return filename;
+}
+
+function readPackedPackage(filename) {
+  const packedPackageJson = execFileSync("tar", ["-xOf", filename, "package/package.json"], {
+    cwd: ROOT,
+    encoding: "utf8",
+  });
+  return JSON.parse(packedPackageJson);
+}
+
+function assertNoWorkspaceRefs(workspace, packedPackage) {
+  const packedRefs = listWorkspaceRefs(packedPackage);
+  if (packedRefs.length === 0) return;
+
+  throw new Error(
+    `Packed manifest for ${workspace} still contains workspace refs: ${packedRefs.join(", ")}`,
+  );
+}
+
+function verifyPackedWorkspace(workspace, filename) {
+  const packedPackage = readPackedPackage(filename);
+  const packedFiles = listPackedFiles(filename);
+
+  assertNoWorkspaceRefs(workspace, packedPackage);
+  verifyPackedEntrypoints(workspace, packedPackage, packedFiles);
+  verifyPackedJavaScriptImports(workspace, filename, packedFiles);
+}
+
+function verifyWorkspace(workspace) {
+  const sourcePackageJson = readWorkspacePackage(workspace);
+  if (sourcePackageJson.private) return;
+
+  assertPublishedExportsMatchSource(workspace, sourcePackageJson);
+
+  const packDir = mkdtempSync(join(tmpdir(), "hyperframes-pack-"));
+  try {
+    verifyPackedWorkspace(workspace, packWorkspace(workspace, packDir));
+    console.log(`Verified ${workspace}: packed manifest is publish-safe.`);
+  } finally {
+    rmSync(packDir, { force: true, recursive: true });
+  }
+}
+
+function main() {
+  listWorkspacePackageDirs().forEach(verifyWorkspace);
+}
+
+if (process.argv[1] === fileURLToPath(import.meta.url)) {
+  main();
+}