1 files changed, 272 insertions, 0 deletions
diff --git a/ext/node/polyfills/internal/process/per_thread.mjs b/ext/node/polyfills/internal/process/per_thread.mjs
new file mode 100644
index 000000000..3146083d1
--- /dev/null
+++ b/ext/node/polyfills/internal/process/per_thread.mjs
@@ -0,0 +1,272 @@
+// Copyright 2018-2023 the Deno authors. All rights reserved. MIT license.
+// Copyright Joyent, Inc. and Node.js contributors. All rights reserved. MIT license.
+
+const kInternal = Symbol("internal properties");
+
+const replaceUnderscoresRegex = /_/g;
+const leadingDashesRegex = /^--?/;
+const trailingValuesRegex = /=.*$/;
+
+// This builds the initial process.allowedNodeEnvironmentFlags
+// from data in the config binding.
+export function buildAllowedFlags() {
+  const allowedNodeEnvironmentFlags = [
+    "--track-heap-objects",
+    "--no-track-heap-objects",
+    "--node-snapshot",
+    "--no-node-snapshot",
+    "--require",
+    "--max-old-space-size",
+    "--trace-exit",
+    "--no-trace-exit",
+    "--disallow-code-generation-from-strings",
+    "--experimental-json-modules",
+    "--no-experimental-json-modules",
+    "--interpreted-frames-native-stack",
+    "--inspect-brk",
+    "--no-inspect-brk",
+    "--trace-tls",
+    "--no-trace-tls",
+    "--stack-trace-limit",
+    "--experimental-repl-await",
+    "--no-experimental-repl-await",
+    "--preserve-symlinks",
+    "--no-preserve-symlinks",
+    "--report-uncaught-exception",
+    "--no-report-uncaught-exception",
+    "--experimental-modules",
+    "--no-experimental-modules",
+    "--report-signal",
+    "--jitless",
+    "--inspect-port",
+    "--heapsnapshot-near-heap-limit",
+    "--tls-keylog",
+    "--force-context-aware",
+    "--no-force-context-aware",
+    "--napi-modules",
+    "--abort-on-uncaught-exception",
+    "--diagnostic-dir",
+    "--verify-base-objects",
+    "--no-verify-base-objects",
+    "--unhandled-rejections",
+    "--perf-basic-prof",
+    "--trace-atomics-wait",
+    "--no-trace-atomics-wait",
+    "--deprecation",
+    "--no-deprecation",
+    "--perf-basic-prof-only-functions",
+    "--perf-prof",
+    "--max-http-header-size",
+    "--report-on-signal",
+    "--no-report-on-signal",
+    "--throw-deprecation",
+    "--no-throw-deprecation",
+    "--warnings",
+    "--no-warnings",
+    "--force-fips",
+    "--no-force-fips",
+    "--pending-deprecation",
+    "--no-pending-deprecation",
+    "--input-type",
+    "--tls-max-v1.3",
+    "--no-tls-max-v1.3",
+    "--tls-min-v1.2",
+    "--no-tls-min-v1.2",
+    "--inspect",
+    "--no-inspect",
+    "--heapsnapshot-signal",
+    "--trace-warnings",
+    "--no-trace-warnings",
+    "--trace-event-categories",
+    "--experimental-worker",
+    "--tls-max-v1.2",
+    "--no-tls-max-v1.2",
+    "--perf-prof-unwinding-info",
+    "--preserve-symlinks-main",
+    "--no-preserve-symlinks-main",
+    "--policy-integrity",
+    "--experimental-wasm-modules",
+    "--no-experimental-wasm-modules",
+    "--node-memory-debug",
+    "--inspect-publish-uid",
+    "--tls-min-v1.3",
+    "--no-tls-min-v1.3",
+    "--experimental-specifier-resolution",
+    "--secure-heap",
+    "--tls-min-v1.0",
+    "--no-tls-min-v1.0",
+    "--redirect-warnings",
+    "--experimental-report",
+    "--trace-event-file-pattern",
+    "--trace-uncaught",
+    "--no-trace-uncaught",
+    "--experimental-loader",
+    "--http-parser",
+    "--dns-result-order",
+    "--trace-sigint",
+    "--no-trace-sigint",
+    "--secure-heap-min",
+    "--enable-fips",
+    "--no-enable-fips",
+    "--enable-source-maps",
+    "--no-enable-source-maps",
+    "--insecure-http-parser",
+    "--no-insecure-http-parser",
+    "--use-openssl-ca",
+    "--no-use-openssl-ca",
+    "--tls-cipher-list",
+    "--experimental-top-level-await",
+    "--no-experimental-top-level-await",
+    "--openssl-config",
+    "--icu-data-dir",
+    "--v8-pool-size",
+    "--report-on-fatalerror",
+    "--no-report-on-fatalerror",
+    "--title",
+    "--tls-min-v1.1",
+    "--no-tls-min-v1.1",
+    "--report-filename",
+    "--trace-deprecation",
+    "--no-trace-deprecation",
+    "--report-compact",
+    "--no-report-compact",
+    "--experimental-policy",
+    "--experimental-import-meta-resolve",
+    "--no-experimental-import-meta-resolve",
+    "--zero-fill-buffers",
+    "--no-zero-fill-buffers",
+    "--report-dir",
+    "--use-bundled-ca",
+    "--no-use-bundled-ca",
+    "--experimental-vm-modules",
+    "--no-experimental-vm-modules",
+    "--force-async-hooks-checks",
+    "--no-force-async-hooks-checks",
+    "--frozen-intrinsics",
+    "--no-frozen-intrinsics",
+    "--huge-max-old-generation-size",
+    "--disable-proto",
+    "--debug-arraybuffer-allocations",
+    "--no-debug-arraybuffer-allocations",
+    "--conditions",
+    "--experimental-wasi-unstable-preview1",
+    "--no-experimental-wasi-unstable-preview1",
+    "--trace-sync-io",
+    "--no-trace-sync-io",
+    "--use-largepages",
+    "--experimental-abortcontroller",
+    "--debug-port",
+    "--es-module-specifier-resolution",
+    "--prof-process",
+    "-C",
+    "--loader",
+    "--report-directory",
+    "-r",
+    "--trace-events-enabled",
+  ];
+
+  /*
+  function isAccepted(to) {
+    if (!to.startsWith("-") || to === "--") return true;
+    const recursiveExpansion = aliases.get(to);
+    if (recursiveExpansion) {
+      if (recursiveExpansion[0] === to) {
+        recursiveExpansion.splice(0, 1);
+      }
+      return recursiveExpansion.every(isAccepted);
+    }
+    return options.get(to).envVarSettings === kAllowedInEnvironment;
+  }
+  for (const { 0: from, 1: expansion } of aliases) {
+    if (expansion.every(isAccepted)) {
+      let canonical = from;
+      if (canonical.endsWith("=")) {
+        canonical = canonical.slice(0, canonical.length - 1);
+      }
+      if (canonical.endsWith(" <arg>")) {
+        canonical = canonical.slice(0, canonical.length - 4);
+      }
+      allowedNodeEnvironmentFlags.push(canonical);
+    }
+  }
+  */
+
+  const trimLeadingDashes = (flag) => flag.replace(leadingDashesRegex, "");
+
+  // Save these for comparison against flags provided to
+  // process.allowedNodeEnvironmentFlags.has() which lack leading dashes.
+  const nodeFlags = allowedNodeEnvironmentFlags.map(trimLeadingDashes);
+
+  class NodeEnvironmentFlagsSet extends Set {
+    constructor(array) {
+      super();
+      this[kInternal] = { array };
+    }
+
+    add() {
+      // No-op, `Set` API compatible
+      return this;
+    }
+
+    delete() {
+      // No-op, `Set` API compatible
+      return false;
+    }
+
+    clear() {
+      // No-op, `Set` API compatible
+    }
+
+    has(key) {
+      // This will return `true` based on various possible
+      // permutations of a flag, including present/missing leading
+      // dash(es) and/or underscores-for-dashes.
+      // Strips any values after `=`, inclusive.
+      // TODO(addaleax): It might be more flexible to run the option parser
+      // on a dummy option set and see whether it rejects the argument or
+      // not.
+      if (typeof key === "string") {
+        key = key.replace(replaceUnderscoresRegex, "-");
+        if (leadingDashesRegex.test(key)) {
+          key = key.replace(trailingValuesRegex, "");
+          return this[kInternal].array.includes(key);
+        }
+        return nodeFlags.includes(key);
+      }
+      return false;
+    }
+
+    entries() {
+      this[kInternal].set ??= new Set(this[kInternal].array);
+      return this[kInternal].set.entries();
+    }
+
+    forEach(callback, thisArg = undefined) {
+      this[kInternal].array.forEach((v) =>
+        Reflect.apply(callback, thisArg, [v, v, this])
+      );
+    }
+
+    get size() {
+      return this[kInternal].array.length;
+    }
+
+    values() {
+      this[kInternal].set ??= new Set(this[kInternal].array);
+      return this[kInternal].set.values();
+    }
+  }
+  NodeEnvironmentFlagsSet.prototype.keys =
+    NodeEnvironmentFlagsSet
+      .prototype[Symbol.iterator] =
+      NodeEnvironmentFlagsSet.prototype.values;
+
+  Object.freeze(NodeEnvironmentFlagsSet.prototype.constructor);
+  Object.freeze(NodeEnvironmentFlagsSet.prototype);
+
+  return Object.freeze(
+    new NodeEnvironmentFlagsSet(
+      allowedNodeEnvironmentFlags,
+    ),
+  );
+}