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denoland-deno/ext/node/polyfills/internal/process/per_thread.mjs

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JavaScript

// Copyright 2018-2024 the Deno authors. All rights reserved. MIT license.
// Copyright Joyent, Inc. and Node.js contributors. All rights reserved. MIT license.
// TODO(petamoriken): enable prefer-primordials for node polyfills
// deno-lint-ignore-file prefer-primordials
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,
),
);
}