Gecko [ unitednationsplay.com ]

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assets	[ DIR ]	drwxr-xr-x	2022-01-26 16:43
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Rename

{
 "type": "module",
 "source": "doc/api/cli.md",
 "introduced_in": "v5.9.1",
 "miscs": [
 {
 "textRaw": "Command-line options",
 "name": "Command-line options",
 "introduced_in": "v5.9.1",
 "type": "misc",
 "desc": "Node.js comes with a variety of CLI options. These options expose built-in\ndebugging, multiple ways to execute scripts, and other helpful runtime options.\nTo view this documentation as a manual page in a terminal, run <code>man node</code>.",
 "miscs": [
 {
 "textRaw": "Synopsis",
 "name": "synopsis",
 "desc": "<code>node [options] [V8 options] [script.js | -e \"script\" | -] [--] [arguments]</code>\n<code>node inspect [script.js | -e \"script\" | &#x3C;host>:&#x3C;port>] …</code>\n<code>node --v8-options</code>\nExecute without arguments to start the <a href=\"repl.html\">REPL</a>.\nFor more info about <code>node inspect</code>, see the <a href=\"debugger.html\">debugger</a> documentation.",
 "type": "misc",
 "displayName": "Synopsis"
 },
 {
 "textRaw": "Options",
 "name": "options",
 "meta": {
 "changes": [
 {
 "version": "v10.12.0",
 "pr-url": "https://github.com/nodejs/node/pull/23020",
 "description": "Underscores instead of dashes are now allowed for Node.js options as well, in addition to V8 options."
 }
 ]
 },
 "desc": "All options, including V8 options, allow words to be separated by both\ndashes (<code>-</code>) or underscores (<code>_</code>). For example, <code>--pending-deprecation</code> is\nequivalent to <code>--pending_deprecation</code>.\nIf an option that takes a single value (such as <code>--max-http-header-size</code>) is\npassed more than once, then the last passed value is used. Options from the\ncommand line take precedence over options passed through the <a href=\"#cli_node_options_options\"><code>NODE_OPTIONS</code></a>\nenvironment variable.",
 "modules": [
 {
 "textRaw": "`-`",
 "name": "`-`",
 "meta": {
 "added": [
 "v8.0.0"
 ],
 "changes": []
 },
 "desc": "Alias for stdin. Analogous to the use of <code>-</code> in other command-line utilities,\nmeaning that the script is read from stdin, and the rest of the options\nare passed to that script.",
 "type": "module",
 "displayName": "`-`"
 },
 {
 "textRaw": "`--`",
 "name": "`--`",
 "meta": {
 "added": [
 "v6.11.0"
 ],
 "changes": []
 },
 "desc": "Indicate the end of node options. Pass the rest of the arguments to the script.\nIf no script filename or eval/print script is supplied prior to this, then\nthe next argument is used as a script filename.",
 "type": "module",
 "displayName": "`--`"
 },
 {
 "textRaw": "`--abort-on-uncaught-exception`",
 "name": "`--abort-on-uncaught-exception`",
 "meta": {
 "added": [
 "v0.10.8"
 ],
 "changes": []
 },
 "desc": "Aborting instead of exiting causes a core file to be generated for post-mortem\nanalysis using a debugger (such as <code>lldb</code>, <code>gdb</code>, and <code>mdb</code>).\nIf this flag is passed, the behavior can still be set to not abort through\n<a href=\"process.html#process_process_setuncaughtexceptioncapturecallback_fn\"><code>process.setUncaughtExceptionCaptureCallback()</code></a> (and through usage of the\n<code>domain</code> module that uses it).",
 "type": "module",
 "displayName": "`--abort-on-uncaught-exception`"
 },
 {
 "textRaw": "`--completion-bash`",
 "name": "`--completion-bash`",
 "meta": {
 "added": [
 "v10.12.0"
 ],
 "changes": []
 },
 "desc": "Print source-able bash completion script for Node.js.\n<pre><code class=\"language-console\">$ node --completion-bash > node_bash_completion\n$ source node_bash_completion\n</code></pre>",
 "type": "module",
 "displayName": "`--completion-bash`"
 },
 {
 "textRaw": "`-C=condition`, `--conditions=condition`",
 "name": "`-c=condition`,_`--conditions=condition`",
 "meta": {
 "added": [
 "v14.9.0"
 ],
 "changes": []
 },
 "stability": 1,
 "stabilityText": "Experimental",
 "desc": "Enable experimental support for custom <a href=\"packages.html#packages_conditional_exports\">conditional exports</a> resolution\nconditions.\nAny number of custom string condition names are permitted.\nThe default Node.js conditions of <code>\"node\"</code>, <code>\"default\"</code>, <code>\"import\"</code>, and\n<code>\"require\"</code> will always apply as defined.\nFor example, to run a module with \"development\" resolutions:\n<pre><code class=\"language-console\">$ node -C=development app.js\n</code></pre>",
 "type": "module",
 "displayName": "`-C=condition`, `--conditions=condition`"
 },
 {
 "textRaw": "`--cpu-prof`",
 "name": "`--cpu-prof`",
 "meta": {
 "added": [
 "v12.0.0"
 ],
 "changes": []
 },
 "stability": 1,
 "stabilityText": "Experimental",
 "desc": "Starts the V8 CPU profiler on start up, and writes the CPU profile to disk\nbefore exit.\nIf <code>--cpu-prof-dir</code> is not specified, the generated profile is placed\nin the current working directory.\nIf <code>--cpu-prof-name</code> is not specified, the generated profile is\nnamed <code>CPU.${yyyymmdd}.${hhmmss}.${pid}.${tid}.${seq}.cpuprofile</code>.\n<pre><code class=\"language-console\">$ node --cpu-prof index.js\n$ ls *.cpuprofile\nCPU.20190409.202950.15293.0.0.cpuprofile\n</code></pre>",
 "type": "module",
 "displayName": "`--cpu-prof`"
 },
 {
 "textRaw": "`--cpu-prof-dir`",
 "name": "`--cpu-prof-dir`",
 "meta": {
 "added": [
 "v12.0.0"
 ],
 "changes": []
 },
 "stability": 1,
 "stabilityText": "Experimental",
 "desc": "Specify the directory where the CPU profiles generated by <code>--cpu-prof</code> will\nbe placed.\nThe default value is controlled by the\n<a href=\"#cli_diagnostic_dir_directory\">--diagnostic-dir</a> command-line option.",
 "type": "module",
 "displayName": "`--cpu-prof-dir`"
 },
 {
 "textRaw": "`--cpu-prof-interval`",
 "name": "`--cpu-prof-interval`",
 "meta": {
 "added": [
 "v12.2.0"
 ],
 "changes": []
 },
 "stability": 1,
 "stabilityText": "Experimental",
 "desc": "Specify the sampling interval in microseconds for the CPU profiles generated\nby <code>--cpu-prof</code>. The default is 1000 microseconds.",
 "type": "module",
 "displayName": "`--cpu-prof-interval`"
 },
 {
 "textRaw": "`--cpu-prof-name`",
 "name": "`--cpu-prof-name`",
 "meta": {
 "added": [
 "v12.0.0"
 ],
 "changes": []
 },
 "stability": 1,
 "stabilityText": "Experimental",
 "desc": "Specify the file name of the CPU profile generated by <code>--cpu-prof</code>.",
 "type": "module",
 "displayName": "`--cpu-prof-name`"
 },
 {
 "textRaw": "`--diagnostic-dir=directory`",
 "name": "`--diagnostic-dir=directory`",
 "desc": "Set the directory to which all diagnostic output files are written.\nDefaults to current working directory.\nAffects the default output directory of:\n<ul>\n<li><a href=\"#cli_cpu_prof_dir\">--cpu-prof-dir</a></li>\n<li><a href=\"#cli_heap_prof_dir\">--heap-prof-dir</a></li>\n<li><a href=\"#cli_redirect_warnings_file\">--redirect-warnings</a></li>\n</ul>",
 "type": "module",
 "displayName": "`--diagnostic-dir=directory`"
 },
 {
 "textRaw": "`--disable-proto=mode`",
 "name": "`--disable-proto=mode`",
 "meta": {
 "added": [
 "v13.12.0"
 ],
 "changes": []
 },
 "desc": "Disable the <code>Object.prototype.__proto__</code> property. If <code>mode</code> is <code>delete</code>, the\nproperty is removed entirely. If <code>mode</code> is <code>throw</code>, accesses to the\nproperty throw an exception with the code <code>ERR_PROTO_ACCESS</code>.",
 "type": "module",
 "displayName": "`--disable-proto=mode`"
 },
 {
 "textRaw": "`--disallow-code-generation-from-strings`",
 "name": "`--disallow-code-generation-from-strings`",
 "meta": {
 "added": [
 "v9.8.0"
 ],
 "changes": []
 },
 "desc": "Make built-in language features like <code>eval</code> and <code>new Function</code> that generate\ncode from strings throw an exception instead. This does not affect the Node.js\n<code>vm</code> module.",
 "type": "module",
 "displayName": "`--disallow-code-generation-from-strings`"
 },
 {
 "textRaw": "`--dns-result-order=order`",
 "name": "`--dns-result-order=order`",
 "meta": {
 "added": [
 "v14.18.0"
 ],
 "changes": []
 },
 "desc": "Set the default value of <code>verbatim</code> in <a href=\"dns.html#dns_dns_lookup_hostname_options_callback\"><code>dns.lookup()</code></a> and\n<a href=\"dns.html#dns_dnspromises_lookup_hostname_options\"><code>dnsPromises.lookup()</code></a>. The value could be:\n<ul>\n<li><code>ipv4first</code>: sets default <code>verbatim</code> <code>false</code>.</li>\n<li><code>verbatim</code>: sets default <code>verbatim</code> <code>true</code>.</li>\n</ul>\nThe default is <code>ipv4first</code> and <a href=\"dns.html#dns_dns_setdefaultresultorder_order\"><code>dns.setDefaultResultOrder()</code></a> have higher\npriority than <code>--dns-result-order</code>.",
 "type": "module",
 "displayName": "`--dns-result-order=order`"
 },
 {
 "textRaw": "`--enable-fips`",
 "name": "`--enable-fips`",
 "meta": {
 "added": [
 "v6.0.0"
 ],
 "changes": []
 },
 "desc": "Enable FIPS-compliant crypto at startup. (Requires Node.js to be built with\n<code>./configure --openssl-fips</code>.)",
 "type": "module",
 "displayName": "`--enable-fips`"
 },
 {
 "textRaw": "`--enable-source-maps`",
 "name": "`--enable-source-maps`",
 "meta": {
 "added": [
 "v12.12.0"
 ],
 "changes": [
 {
 "version": "v14.18.0",
 "pr-url": "https://github.com/nodejs/node/pull/37362",
 "description": "This API is no longer experimental."
 }
 ]
 },
 "desc": "Enable <a href=\"https://sourcemaps.info/spec.html\">Source Map v3</a> support for stack traces.\nWhen using a transpiler, such as TypeScript, strack traces thrown by an\napplication reference the transpiled code, not the original source position.\n<code>--enable-source-maps</code> enables caching of Source Maps and makes a best\neffort to report stack traces relative to the original source file.\nOverriding <code>Error.prepareStackTrace</code> prevents <code>--enable-source-maps</code> from\nmodifiying the stack trace.",
 "type": "module",
 "displayName": "`--enable-source-maps`"
 },
 {
 "textRaw": "`--experimental-abortcontroller`",
 "name": "`--experimental-abortcontroller`",
 "meta": {
 "added": [
 "v14.17.0"
 ],
 "changes": []
 },
 "desc": "Enable experimental <code>AbortController</code> and <code>AbortSignal</code> support.",
 "type": "module",
 "displayName": "`--experimental-abortcontroller`"
 },
 {
 "textRaw": "`--experimental-import-meta-resolve`",
 "name": "`--experimental-import-meta-resolve`",
 "meta": {
 "added": [
 "v13.9.0",
 "v12.16.2"
 ],
 "changes": []
 },
 "desc": "Enable experimental <code>import.meta.resolve()</code> support.",
 "type": "module",
 "displayName": "`--experimental-import-meta-resolve`"
 },
 {
 "textRaw": "`--experimental-json-modules`",
 "name": "`--experimental-json-modules`",
 "meta": {
 "added": [
 "v12.9.0"
 ],
 "changes": []
 },
 "desc": "Enable experimental JSON support for the ES Module loader.",
 "type": "module",
 "displayName": "`--experimental-json-modules`"
 },
 {
 "textRaw": "`--experimental-loader=module`",
 "name": "`--experimental-loader=module`",
 "meta": {
 "added": [
 "v9.0.0"
 ],
 "changes": []
 },
 "desc": "Specify the <code>module</code> of a custom experimental <a href=\"esm.html#esm_loaders\">ECMAScript Module loader</a>.\n<code>module</code> may be either a path to a file, or an ECMAScript Module name.",
 "type": "module",
 "displayName": "`--experimental-loader=module`"
 },
 {
 "textRaw": "`--experimental-modules`",
 "name": "`--experimental-modules`",
 "meta": {
 "added": [
 "v8.5.0"
 ],
 "changes": []
 },
 "desc": "Enable latest experimental modules features (deprecated).",
 "type": "module",
 "displayName": "`--experimental-modules`"
 },
 {
 "textRaw": "`--experimental-policy`",
 "name": "`--experimental-policy`",
 "meta": {
 "added": [
 "v11.8.0"
 ],
 "changes": []
 },
 "desc": "Use the specified file as a security policy.",
 "type": "module",
 "displayName": "`--experimental-policy`"
 },
 {
 "textRaw": "`--experimental-repl-await`",
 "name": "`--experimental-repl-await`",
 "meta": {
 "added": [
 "v10.0.0"
 ],
 "changes": []
 },
 "desc": "Enable experimental top-level <code>await</code> keyword support in REPL.",
 "type": "module",
 "displayName": "`--experimental-repl-await`"
 },
 {
 "textRaw": "`--experimental-specifier-resolution=mode`",
 "name": "`--experimental-specifier-resolution=mode`",
 "meta": {
 "added": [
 "v13.4.0",
 "v12.16.0"
 ],
 "changes": []
 },
 "desc": "Sets the resolution algorithm for resolving ES module specifiers. Valid options\nare <code>explicit</code> and <code>node</code>.\nThe default is <code>explicit</code>, which requires providing the full path to a\nmodule. The <code>node</code> mode enables support for optional file extensions and\nthe ability to import a directory that has an index file.\nSee <a href=\"esm.html#esm_customizing_esm_specifier_resolution_algorithm\">customizing ESM specifier resolution</a> for example usage.",
 "type": "module",
 "displayName": "`--experimental-specifier-resolution=mode`"
 },
 {
 "textRaw": "`--experimental-vm-modules`",
 "name": "`--experimental-vm-modules`",
 "meta": {
 "added": [
 "v9.6.0"
 ],
 "changes": []
 },
 "desc": "Enable experimental ES Module support in the <code>vm</code> module.",
 "type": "module",
 "displayName": "`--experimental-vm-modules`"
 },
 {
 "textRaw": "`--experimental-wasi-unstable-preview1`",
 "name": "`--experimental-wasi-unstable-preview1`",
 "meta": {
 "added": [
 "v13.3.0",
 "v12.16.0"
 ],
 "changes": [
 {
 "version": "v13.6.0",
 "pr-url": "https://github.com/nodejs/node/pull/30980",
 "description": "changed from `--experimental-wasi-unstable-preview0` to `--experimental-wasi-unstable-preview1`."
 }
 ]
 },
 "desc": "Enable experimental WebAssembly System Interface (WASI) support.",
 "type": "module",
 "displayName": "`--experimental-wasi-unstable-preview1`"
 },
 {
 "textRaw": "`--experimental-wasm-modules`",
 "name": "`--experimental-wasm-modules`",
 "meta": {
 "added": [
 "v12.3.0"
 ],
 "changes": []
 },
 "desc": "Enable experimental WebAssembly module support.",
 "type": "module",
 "displayName": "`--experimental-wasm-modules`"
 },
 {
 "textRaw": "`--force-context-aware`",
 "name": "`--force-context-aware`",
 "meta": {
 "added": [
 "v12.12.0"
 ],
 "changes": []
 },
 "desc": "Disable loading native addons that are not <a href=\"addons.html#addons_context_aware_addons\">context-aware</a>.",
 "type": "module",
 "displayName": "`--force-context-aware`"
 },
 {
 "textRaw": "`--force-fips`",
 "name": "`--force-fips`",
 "meta": {
 "added": [
 "v6.0.0"
 ],
 "changes": []
 },
 "desc": "Force FIPS-compliant crypto on startup. (Cannot be disabled from script code.)\n(Same requirements as <code>--enable-fips</code>.)",
 "type": "module",
 "displayName": "`--force-fips`"
 },
 {
 "textRaw": "`--frozen-intrinsics`",
 "name": "`--frozen-intrinsics`",
 "meta": {
 "added": [
 "v11.12.0"
 ],
 "changes": []
 },
 "stability": 1,
 "stabilityText": "Experimental",
 "desc": "Enable experimental frozen intrinsics like <code>Array</code> and <code>Object</code>.\nSupport is currently only provided for the root context and no guarantees are\ncurrently provided that <code>global.Array</code> is indeed the default intrinsic\nreference. Code may break under this flag.\n<code>--require</code> runs prior to freezing intrinsics in order to allow polyfills to\nbe added.",
 "type": "module",
 "displayName": "`--frozen-intrinsics`"
 },
 {
 "textRaw": "`--heapsnapshot-near-heap-limit=max_count`",
 "name": "`--heapsnapshot-near-heap-limit=max_count`",
 "meta": {
 "added": [
 "v14.18.0"
 ],
 "changes": []
 },
 "stability": 1,
 "stabilityText": "Experimental",
 "desc": "Writes a V8 heap snapshot to disk when the V8 heap usage is approaching the\nheap limit. <code>count</code> should be a non-negative integer (in which case\nNode.js will write no more than <code>max_count</code> snapshots to disk).\nWhen generating snapshots, garbage collection may be triggered and bring\nthe heap usage down, therefore multiple snapshots may be written to disk\nbefore the Node.js instance finally runs out of memory. These heap snapshots\ncan be compared to determine what objects are being allocated during the\ntime consecutive snapshots are taken. It's not guaranteed that Node.js will\nwrite exactly <code>max_count</code> snapshots to disk, but it will try\nits best to generate at least one and up to <code>max_count</code> snapshots before the\nNode.js instance runs out of memory when <code>max_count</code> is greater than <code>0</code>.\nGenerating V8 snapshots takes time and memory (both memory managed by the\nV8 heap and native memory outside the V8 heap). The bigger the heap is,\nthe more resources it needs. Node.js will adjust the V8 heap to accommondate\nthe additional V8 heap memory overhead, and try its best to avoid using up\nall the memory avialable to the process. When the process uses\nmore memory than the system deems appropriate, the process may be terminated\nabruptly by the system, depending on the system configuration.\n<pre><code class=\"language-console\">$ node --max-old-space-size=100 --heapsnapshot-near-heap-limit=3 index.js\nWrote snapshot to Heap.20200430.100036.49580.0.001.heapsnapshot\nWrote snapshot to Heap.20200430.100037.49580.0.002.heapsnapshot\nWrote snapshot to Heap.20200430.100038.49580.0.003.heapsnapshot\n\n&#x3C;--- Last few GCs --->\n\n[49580:0x110000000] 4826 ms: Mark-sweep 130.6 (147.8) -> 130.5 (147.8) MB, 27.4 / 0.0 ms (average mu = 0.126, current mu = 0.034) allocation failure scavenge might not succeed\n[49580:0x110000000] 4845 ms: Mark-sweep 130.6 (147.8) -> 130.6 (147.8) MB, 18.8 / 0.0 ms (average mu = 0.088, current mu = 0.031) allocation failure scavenge might not succeed\n\n\n&#x3C;--- JS stacktrace --->\n\nFATAL ERROR: Ineffective mark-compacts near heap limit Allocation failed - JavaScript heap out of memory\n....\n</code></pre>",
 "type": "module",
 "displayName": "`--heapsnapshot-near-heap-limit=max_count`"
 },
 {
 "textRaw": "`--heapsnapshot-signal=signal`",
 "name": "`--heapsnapshot-signal=signal`",
 "meta": {
 "added": [
 "v12.0.0"
 ],
 "changes": []
 },
 "desc": "Enables a signal handler that causes the Node.js process to write a heap dump\nwhen the specified signal is received. <code>signal</code> must be a valid signal name.\nDisabled by default.\n<pre><code class=\"language-console\">$ node --heapsnapshot-signal=SIGUSR2 index.js &#x26;\n$ ps aux\nUSER PID %CPU %MEM VSZ RSS TTY STAT START TIME COMMAND\nnode 1 5.5 6.1 787252 247004 ? Ssl 16:43 0:02 node --heapsnapshot-signal=SIGUSR2 index.js\n$ kill -USR2 1\n$ ls\nHeap.20190718.133405.15554.0.001.heapsnapshot\n</code></pre>",
 "type": "module",
 "displayName": "`--heapsnapshot-signal=signal`"
 },
 {
 "textRaw": "`--heap-prof`",
 "name": "`--heap-prof`",
 "meta": {
 "added": [
 "v12.4.0"
 ],
 "changes": []
 },
 "stability": 1,
 "stabilityText": "Experimental",
 "desc": "Starts the V8 heap profiler on start up, and writes the heap profile to disk\nbefore exit.\nIf <code>--heap-prof-dir</code> is not specified, the generated profile is placed\nin the current working directory.\nIf <code>--heap-prof-name</code> is not specified, the generated profile is\nnamed <code>Heap.${yyyymmdd}.${hhmmss}.${pid}.${tid}.${seq}.heapprofile</code>.\n<pre><code class=\"language-console\">$ node --heap-prof index.js\n$ ls *.heapprofile\nHeap.20190409.202950.15293.0.001.heapprofile\n</code></pre>",
 "type": "module",
 "displayName": "`--heap-prof`"
 },
 {
 "textRaw": "`--heap-prof-dir`",
 "name": "`--heap-prof-dir`",
 "meta": {
 "added": [
 "v12.4.0"
 ],
 "changes": []
 },
 "stability": 1,
 "stabilityText": "Experimental",
 "desc": "Specify the directory where the heap profiles generated by <code>--heap-prof</code> will\nbe placed.\nThe default value is controlled by the\n<a href=\"#cli_diagnostic_dir_directory\">--diagnostic-dir</a> command-line option.",
 "type": "module",
 "displayName": "`--heap-prof-dir`"
 },
 {
 "textRaw": "`--heap-prof-interval`",
 "name": "`--heap-prof-interval`",
 "meta": {
 "added": [
 "v12.4.0"
 ],
 "changes": []
 },
 "stability": 1,
 "stabilityText": "Experimental",
 "desc": "Specify the average sampling interval in bytes for the heap profiles generated\nby <code>--heap-prof</code>. The default is 512 * 1024 bytes.",
 "type": "module",
 "displayName": "`--heap-prof-interval`"
 },
 {
 "textRaw": "`--heap-prof-name`",
 "name": "`--heap-prof-name`",
 "meta": {
 "added": [
 "v12.4.0"
 ],
 "changes": []
 },
 "stability": 1,
 "stabilityText": "Experimental",
 "desc": "Specify the file name of the heap profile generated by <code>--heap-prof</code>.",
 "type": "module",
 "displayName": "`--heap-prof-name`"
 },
 {
 "textRaw": "`--icu-data-dir=file`",
 "name": "`--icu-data-dir=file`",
 "meta": {
 "added": [
 "v0.11.15"
 ],
 "changes": []
 },
 "desc": "Specify ICU data load path. (Overrides <code>NODE_ICU_DATA</code>.)",
 "type": "module",
 "displayName": "`--icu-data-dir=file`"
 },
 {
 "textRaw": "`--input-type=type`",
 "name": "`--input-type=type`",
 "meta": {
 "added": [
 "v12.0.0"
 ],
 "changes": []
 },
 "desc": "This configures Node.js to interpret string input as CommonJS or as an ES\nmodule. String input is input via <code>--eval</code>, <code>--print</code>, or <code>STDIN</code>.\nValid values are <code>\"commonjs\"</code> and <code>\"module\"</code>. The default is <code>\"commonjs\"</code>.",
 "type": "module",
 "displayName": "`--input-type=type`"
 },
 {
 "textRaw": "`--inspect-brk[=[host:]port]`",
 "name": "`--inspect-brk[=[host:]port]`",
 "meta": {
 "added": [
 "v7.6.0"
 ],
 "changes": []
 },
 "desc": "Activate inspector on <code>host:port</code> and break at start of user script.\nDefault <code>host:port</code> is <code>127.0.0.1:9229</code>.",
 "type": "module",
 "displayName": "`--inspect-brk[=[host:]port]`"
 },
 {
 "textRaw": "`--inspect-port=[host:]port`",
 "name": "`--inspect-port=[host:]port`",
 "meta": {
 "added": [
 "v7.6.0"
 ],
 "changes": []
 },
 "desc": "Set the <code>host:port</code> to be used when the inspector is activated.\nUseful when activating the inspector by sending the <code>SIGUSR1</code> signal.\nDefault host is <code>127.0.0.1</code>.\nSee the <a href=\"#inspector_security\">security warning</a> below regarding the <code>host</code>\nparameter usage.",
 "type": "module",
 "displayName": "`--inspect-port=[host:]port`"
 },
 {
 "textRaw": "`--inspect[=[host:]port]`",
 "name": "`--inspect[=[host:]port]`",
 "meta": {
 "added": [
 "v6.3.0"
 ],
 "changes": []
 },
 "desc": "Activate inspector on <code>host:port</code>. Default is <code>127.0.0.1:9229</code>.\nV8 inspector integration allows tools such as Chrome DevTools and IDEs to debug\nand profile Node.js instances. The tools attach to Node.js instances via a\ntcp port and communicate using the <a href=\"https://chromedevtools.github.io/devtools-protocol/\">Chrome DevTools Protocol</a>.\n<a id=\"inspector_security\"></a>",
 "modules": [
 {
 "textRaw": "Warning: binding inspector to a public IP:port combination is insecure",
 "name": "warning:_binding_inspector_to_a_public_ip:port_combination_is_insecure",
 "desc": "Binding the inspector to a public IP (including <code>0.0.0.0</code>) with an open port is\ninsecure, as it allows external hosts to connect to the inspector and perform\na <a href=\"https://www.owasp.org/index.php/Code_Injection\">remote code execution</a> attack.\nIf specifying a host, make sure that either:\n<ul>\n<li>The host is not accessible from public networks.</li>\n<li>A firewall disallows unwanted connections on the port.</li>\n</ul>\nMore specifically, <code>--inspect=0.0.0.0</code> is insecure if the port (<code>9229</code> by\ndefault) is not firewall-protected.\nSee the <a href=\"https://nodejs.org/en/docs/guides/debugging-getting-started/#security-implications\">debugging security implications</a> section for more information.",
 "type": "module",
 "displayName": "Warning: binding inspector to a public IP:port combination is insecure"
 }
 ],
 "type": "module",
 "displayName": "`--inspect[=[host:]port]`"
 },
 {
 "textRaw": "`--inspect-publish-uid=stderr,http`",
 "name": "`--inspect-publish-uid=stderr,http`",
 "desc": "Specify ways of the inspector web socket url exposure.\nBy default inspector websocket url is available in stderr and under <code>/json/list</code>\nendpoint on <code>http://host:port/json/list</code>.",
 "type": "module",
 "displayName": "`--inspect-publish-uid=stderr,http`"
 },
 {
 "textRaw": "`--insecure-http-parser`",
 "name": "`--insecure-http-parser`",
 "meta": {
 "added": [
 "v13.4.0",
 "v12.15.0",
 "v10.19.0"
 ],
 "changes": []
 },
 "desc": "Use an insecure HTTP parser that accepts invalid HTTP headers. This may allow\ninteroperability with non-conformant HTTP implementations. It may also allow\nrequest smuggling and other HTTP attacks that rely on invalid headers being\naccepted. Avoid using this option.",
 "type": "module",
 "displayName": "`--insecure-http-parser`"
 },
 {
 "textRaw": "`--jitless`",
 "name": "`--jitless`",
 "meta": {
 "added": [
 "v12.0.0"
 ],
 "changes": []
 },
 "desc": "Disable <a href=\"https://v8.dev/blog/jitless\">runtime allocation of executable memory</a>. This may be\nrequired on some platforms for security reasons. It can also reduce attack\nsurface on other platforms, but the performance impact may be severe.\nThis flag is inherited from V8 and is subject to change upstream. It may\ndisappear in a non-semver-major release.",
 "type": "module",
 "displayName": "`--jitless`"
 },
 {
 "textRaw": "`--max-http-header-size=size`",
 "name": "`--max-http-header-size=size`",
 "meta": {
 "added": [
 "v11.6.0",
 "v10.15.0"
 ],
 "changes": [
 {
 "version": "v14.0.0",
 "pr-url": "https://github.com/nodejs/node/pull/32520",
 "description": "Change maximum default size of HTTP headers from 8KB to 16KB."
 }
 ]
 },
 "desc": "Specify the maximum size, in bytes, of HTTP headers. Defaults to 16KB.",
 "type": "module",
 "displayName": "`--max-http-header-size=size`"
 },
 {
 "textRaw": "`--napi-modules`",
 "name": "`--napi-modules`",
 "meta": {
 "added": [
 "v7.10.0"
 ],
 "changes": []
 },
 "desc": "This option is a no-op. It is kept for compatibility.",
 "type": "module",
 "displayName": "`--napi-modules`"
 },
 {
 "textRaw": "`--no-deprecation`",
 "name": "`--no-deprecation`",
 "meta": {
 "added": [
 "v0.8.0"
 ],
 "changes": []
 },
 "desc": "Silence deprecation warnings.",
 "type": "module",
 "displayName": "`--no-deprecation`"
 },
 {
 "textRaw": "`--no-force-async-hooks-checks`",
 "name": "`--no-force-async-hooks-checks`",
 "meta": {
 "added": [
 "v9.0.0"
 ],
 "changes": []
 },
 "desc": "Disables runtime checks for <code>async_hooks</code>. These will still be enabled\ndynamically when <code>async_hooks</code> is enabled.",
 "type": "module",
 "displayName": "`--no-force-async-hooks-checks`"
 },
 {
 "textRaw": "`--no-warnings`",
 "name": "`--no-warnings`",
 "meta": {
 "added": [
 "v6.0.0"
 ],
 "changes": []
 },
 "desc": "Silence all process warnings (including deprecations).",
 "type": "module",
 "displayName": "`--no-warnings`"
 },
 {
 "textRaw": "`--node-memory-debug`",
 "name": "`--node-memory-debug`",
 "meta": {
 "added": [
 "v14.18.0"
 ],
 "changes": []
 },
 "desc": "Enable extra debug checks for memory leaks in Node.js internals. This is\nusually only useful for developers debugging Node.js itself.",
 "type": "module",
 "displayName": "`--node-memory-debug`"
 },
 {
 "textRaw": "`--openssl-config=file`",
 "name": "`--openssl-config=file`",
 "meta": {
 "added": [
 "v6.9.0"
 ],
 "changes": []
 },
 "desc": "Load an OpenSSL configuration file on startup. Among other uses, this can be\nused to enable FIPS-compliant crypto if Node.js is built with\n<code>./configure --openssl-fips</code>.",
 "type": "module",
 "displayName": "`--openssl-config=file`"
 },
 {
 "textRaw": "`--pending-deprecation`",
 "name": "`--pending-deprecation`",
 "meta": {
 "added": [
 "v8.0.0"
 ],
 "changes": []
 },
 "desc": "Emit pending deprecation warnings.\nPending deprecations are generally identical to a runtime deprecation with the\nnotable exception that they are turned off by default and will not be emitted\nunless either the <code>--pending-deprecation</code> command-line flag, or the\n<code>NODE_PENDING_DEPRECATION=1</code> environment variable, is set. Pending deprecations\nare used to provide a kind of selective \"early warning\" mechanism that\ndevelopers may leverage to detect deprecated API usage.",
 "type": "module",
 "displayName": "`--pending-deprecation`"
 },
 {
 "textRaw": "`--policy-integrity=sri`",
 "name": "`--policy-integrity=sri`",
 "meta": {
 "added": [
 "v12.7.0"
 ],
 "changes": []
 },
 "stability": 1,
 "stabilityText": "Experimental",
 "desc": "Instructs Node.js to error prior to running any code if the policy does not have\nthe specified integrity. It expects a <a href=\"https://developer.mozilla.org/en-US/docs/Web/Security/Subresource_Integrity\">Subresource Integrity</a> string as a\nparameter.",
 "type": "module",
 "displayName": "`--policy-integrity=sri`"
 },
 {
 "textRaw": "`--preserve-symlinks`",
 "name": "`--preserve-symlinks`",
 "meta": {
 "added": [
 "v6.3.0"
 ],
 "changes": []
 },
 "desc": "Instructs the module loader to preserve symbolic links when resolving and\ncaching modules.\nBy default, when Node.js loads a module from a path that is symbolically linked\nto a different on-disk location, Node.js will dereference the link and use the\nactual on-disk \"real path\" of the module as both an identifier and as a root\npath to locate other dependency modules. In most cases, this default behavior\nis acceptable. However, when using symbolically linked peer dependencies, as\nillustrated in the example below, the default behavior causes an exception to\nbe thrown if <code>moduleA</code> attempts to require <code>moduleB</code> as a peer dependency:\n<pre><code class=\"language-text\">{appDir}\n ├── app\n │ ├── index.js\n │ └── node_modules\n │ ├── moduleA -> {appDir}/moduleA\n │ └── moduleB\n │ ├── index.js\n │ └── package.json\n └── moduleA\n ├── index.js\n └── package.json\n</code></pre>\nThe <code>--preserve-symlinks</code> command-line flag instructs Node.js to use the\nsymlink path for modules as opposed to the real path, allowing symbolically\nlinked peer dependencies to be found.\nNote, however, that using <code>--preserve-symlinks</code> can have other side effects.\nSpecifically, symbolically linked native modules can fail to load if those\nare linked from more than one location in the dependency tree (Node.js would\nsee those as two separate modules and would attempt to load the module multiple\ntimes, causing an exception to be thrown).\nThe <code>--preserve-symlinks</code> flag does not apply to the main module, which allows\n<code>node --preserve-symlinks node_module/.bin/&#x3C;foo></code> to work. To apply the same\nbehavior for the main module, also use <code>--preserve-symlinks-main</code>.",
 "type": "module",
 "displayName": "`--preserve-symlinks`"
 },
 {
 "textRaw": "`--preserve-symlinks-main`",
 "name": "`--preserve-symlinks-main`",
 "meta": {
 "added": [
 "v10.2.0"
 ],
 "changes": []
 },
 "desc": "Instructs the module loader to preserve symbolic links when resolving and\ncaching the main module (<code>require.main</code>).\nThis flag exists so that the main module can be opted-in to the same behavior\nthat <code>--preserve-symlinks</code> gives to all other imports; they are separate flags,\nhowever, for backward compatibility with older Node.js versions.\n<code>--preserve-symlinks-main</code> does not imply <code>--preserve-symlinks</code>; use\n<code>--preserve-symlinks-main</code> in addition to\n<code>--preserve-symlinks</code> when it is not desirable to follow symlinks before\nresolving relative paths.\nSee <code>--preserve-symlinks</code> for more information.",
 "type": "module",
 "displayName": "`--preserve-symlinks-main`"
 },
 {
 "textRaw": "`--prof`",
 "name": "`--prof`",
 "meta": {
 "added": [
 "v2.0.0"
 ],
 "changes": []
 },
 "desc": "Generate V8 profiler output.",
 "type": "module",
 "displayName": "`--prof`"
 },
 {
 "textRaw": "`--prof-process`",
 "name": "`--prof-process`",
 "meta": {
 "added": [
 "v5.2.0"
 ],
 "changes": []
 },
 "desc": "Process V8 profiler output generated using the V8 option <code>--prof</code>.",
 "type": "module",
 "displayName": "`--prof-process`"
 },
 {
 "textRaw": "`--redirect-warnings=file`",
 "name": "`--redirect-warnings=file`",
 "meta": {
 "added": [
 "v8.0.0"
 ],
 "changes": []
 },
 "desc": "Write process warnings to the given file instead of printing to stderr. The\nfile will be created if it does not exist, and will be appended to if it does.\nIf an error occurs while attempting to write the warning to the file, the\nwarning will be written to stderr instead.\nThe <code>file</code> name may be an absolute path. If it is not, the default directory it\nwill be written to is controlled by the\n<a href=\"#cli_diagnostic_dir_directory\">--diagnostic-dir</a> command-line option.",
 "type": "module",
 "displayName": "`--redirect-warnings=file`"
 },
 {
 "textRaw": "`--report-compact`",
 "name": "`--report-compact`",
 "meta": {
 "added": [
 "v13.12.0"
 ],
 "changes": []
 },
 "desc": "Write reports in a compact format, single-line JSON, more easily consumable\nby log processing systems than the default multi-line format designed for\nhuman consumption.",
 "type": "module",
 "displayName": "`--report-compact`"
 },
 {
 "textRaw": "`--report-dir=directory`, `report-directory=directory`",
 "name": "`--report-dir=directory`,_`report-directory=directory`",
 "meta": {
 "added": [
 "v11.8.0"
 ],
 "changes": [
 {
 "version": "v13.12.0",
 "pr-url": "https://github.com/nodejs/node/pull/32242",
 "description": "This option is no longer experimental."
 },
 {
 "version": "v12.0.0",
 "pr-url": "https://github.com/nodejs/node/pull/27312",
 "description": "Changed from `--diagnostic-report-directory` to `--report-directory`."
 }
 ]
 },
 "desc": "Location at which the report will be generated.",
 "type": "module",
 "displayName": "`--report-dir=directory`, `report-directory=directory`"
 },
 {
 "textRaw": "`--report-filename=filename`",
 "name": "`--report-filename=filename`",
 "meta": {
 "added": [
 "v11.8.0"
 ],
 "changes": [
 {
 "version": "v13.12.0",
 "pr-url": "https://github.com/nodejs/node/pull/32242",
 "description": "This option is no longer experimental."
 },
 {
 "version": "v12.0.0",
 "pr-url": "https://github.com/nodejs/node/pull/27312",
 "description": "changed from `--diagnostic-report-filename` to `--report-filename`."
 }
 ]
 },
 "desc": "Name of the file to which the report will be written.",
 "type": "module",
 "displayName": "`--report-filename=filename`"
 },
 {
 "textRaw": "`--report-on-fatalerror`",
 "name": "`--report-on-fatalerror`",
 "meta": {
 "added": [
 "v11.8.0"
 ],
 "changes": [
 {
 "version": "v14.0.0",
 "pr-url": "https://github.com/nodejs/node/pull/32496",
 "description": "This option is no longer experimental."
 },
 {
 "version": "v12.0.0",
 "pr-url": "https://github.com/nodejs/node/pull/27312",
 "description": "changed from `--diagnostic-report-on-fatalerror` to `--report-on-fatalerror`."
 }
 ]
 },
 "desc": "Enables the report to be triggered on fatal errors (internal errors within\nthe Node.js runtime such as out of memory) that lead to termination of the\napplication. Useful to inspect various diagnostic data elements such as heap,\nstack, event loop state, resource consumption etc. to reason about the fatal\nerror.",
 "type": "module",
 "displayName": "`--report-on-fatalerror`"
 },
 {
 "textRaw": "`--report-on-signal`",
 "name": "`--report-on-signal`",
 "meta": {
 "added": [
 "v11.8.0"
 ],
 "changes": [
 {
 "version": "v13.12.0",
 "pr-url": "https://github.com/nodejs/node/pull/32242",
 "description": "This option is no longer experimental."
 },
 {
 "version": "v12.0.0",
 "pr-url": "https://github.com/nodejs/node/pull/27312",
 "description": "changed from `--diagnostic-report-on-signal` to `--report-on-signal`."
 }
 ]
 },
 "desc": "Enables report to be generated upon receiving the specified (or predefined)\nsignal to the running Node.js process. The signal to trigger the report is\nspecified through <code>--report-signal</code>.",
 "type": "module",
 "displayName": "`--report-on-signal`"
 },
 {
 "textRaw": "`--report-signal=signal`",
 "name": "`--report-signal=signal`",
 "meta": {
 "added": [
 "v11.8.0"
 ],
 "changes": [
 {
 "version": "v13.12.0",
 "pr-url": "https://github.com/nodejs/node/pull/32242",
 "description": "This option is no longer experimental."
 },
 {
 "version": "v12.0.0",
 "pr-url": "https://github.com/nodejs/node/pull/27312",
 "description": "changed from `--diagnostic-report-signal` to `--report-signal`."
 }
 ]
 },
 "desc": "Sets or resets the signal for report generation (not supported on Windows).\nDefault signal is <code>SIGUSR2</code>.",
 "type": "module",
 "displayName": "`--report-signal=signal`"
 },
 {
 "textRaw": "`--report-uncaught-exception`",
 "name": "`--report-uncaught-exception`",
 "meta": {
 "added": [
 "v11.8.0"
 ],
 "changes": [
 {
 "version": "v13.12.0",
 "pr-url": "https://github.com/nodejs/node/pull/32242",
 "description": "This option is no longer experimental."
 },
 {
 "version": "v12.0.0",
 "pr-url": "https://github.com/nodejs/node/pull/27312",
 "description": "changed from `--diagnostic-report-uncaught-exception` to `--report-uncaught-exception`."
 }
 ]
 },
 "desc": "Enables report to be generated on uncaught exceptions. Useful when inspecting\nthe JavaScript stack in conjunction with native stack and other runtime\nenvironment data.",
 "type": "module",
 "displayName": "`--report-uncaught-exception`"
 },
 {
 "textRaw": "`--throw-deprecation`",
 "name": "`--throw-deprecation`",
 "meta": {
 "added": [
 "v0.11.14"
 ],
 "changes": []
 },
 "desc": "Throw errors for deprecations.",
 "type": "module",
 "displayName": "`--throw-deprecation`"
 },
 {
 "textRaw": "`--title=title`",
 "name": "`--title=title`",
 "meta": {
 "added": [
 "v10.7.0"
 ],
 "changes": []
 },
 "desc": "Set <code>process.title</code> on startup.",
 "type": "module",
 "displayName": "`--title=title`"
 },
 {
 "textRaw": "`--tls-cipher-list=list`",
 "name": "`--tls-cipher-list=list`",
 "meta": {
 "added": [
 "v4.0.0"
 ],
 "changes": []
 },
 "desc": "Specify an alternative default TLS cipher list. Requires Node.js to be built\nwith crypto support (default).",
 "type": "module",
 "displayName": "`--tls-cipher-list=list`"
 },
 {
 "textRaw": "`--tls-keylog=file`",
 "name": "`--tls-keylog=file`",
 "meta": {
 "added": [
 "v13.2.0",
 "v12.16.0"
 ],
 "changes": []
 },
 "desc": "Log TLS key material to a file. The key material is in NSS <code>SSLKEYLOGFILE</code>\nformat and can be used by software (such as Wireshark) to decrypt the TLS\ntraffic.",
 "type": "module",
 "displayName": "`--tls-keylog=file`"
 },
 {
 "textRaw": "`--tls-max-v1.2`",
 "name": "`--tls-max-v1.2`",
 "meta": {
 "added": [
 "v12.0.0",
 "v10.20.0"
 ],
 "changes": []
 },
 "desc": "Set <a href=\"tls.html#tls_tls_default_max_version\"><code>tls.DEFAULT_MAX_VERSION</code></a> to 'TLSv1.2'. Use to disable support for\nTLSv1.3.",
 "type": "module",
 "displayName": "`--tls-max-v1.2`"
 },
 {
 "textRaw": "`--tls-max-v1.3`",
 "name": "`--tls-max-v1.3`",
 "meta": {
 "added": [
 "v12.0.0"
 ],
 "changes": []
 },
 "desc": "Set default <a href=\"tls.html#tls_tls_default_max_version\"><code>tls.DEFAULT_MAX_VERSION</code></a> to 'TLSv1.3'. Use to enable support\nfor TLSv1.3.",
 "type": "module",
 "displayName": "`--tls-max-v1.3`"
 },
 {
 "textRaw": "`--tls-min-v1.0`",
 "name": "`--tls-min-v1.0`",
 "meta": {
 "added": [
 "v12.0.0",
 "v10.20.0"
 ],
 "changes": []
 },
 "desc": "Set default <a href=\"tls.html#tls_tls_default_min_version\"><code>tls.DEFAULT_MIN_VERSION</code></a> to 'TLSv1'. Use for compatibility with\nold TLS clients or servers.",
 "type": "module",
 "displayName": "`--tls-min-v1.0`"
 },
 {
 "textRaw": "`--tls-min-v1.1`",
 "name": "`--tls-min-v1.1`",
 "meta": {
 "added": [
 "v12.0.0",
 "v10.20.0"
 ],
 "changes": []
 },
 "desc": "Set default <a href=\"tls.html#tls_tls_default_min_version\"><code>tls.DEFAULT_MIN_VERSION</code></a> to 'TLSv1.1'. Use for compatibility\nwith old TLS clients or servers.",
 "type": "module",
 "displayName": "`--tls-min-v1.1`"
 },
 {
 "textRaw": "`--tls-min-v1.2`",
 "name": "`--tls-min-v1.2`",
 "meta": {
 "added": [
 "v12.2.0",
 "v10.20.0"
 ],
 "changes": []
 },
 "desc": "Set default <a href=\"tls.html#tls_tls_default_min_version\"><code>tls.DEFAULT_MIN_VERSION</code></a> to 'TLSv1.2'. This is the default for\n12.x and later, but the option is supported for compatibility with older Node.js\nversions.",
 "type": "module",
 "displayName": "`--tls-min-v1.2`"
 },
 {
 "textRaw": "`--tls-min-v1.3`",
 "name": "`--tls-min-v1.3`",
 "meta": {
 "added": [
 "v12.0.0"
 ],
 "changes": []
 },
 "desc": "Set default <a href=\"tls.html#tls_tls_default_min_version\"><code>tls.DEFAULT_MIN_VERSION</code></a> to 'TLSv1.3'. Use to disable support\nfor TLSv1.2, which is not as secure as TLSv1.3.",
 "type": "module",
 "displayName": "`--tls-min-v1.3`"
 },
 {
 "textRaw": "`--trace-atomics-wait`",
 "name": "`--trace-atomics-wait`",
 "meta": {
 "added": [
 "v14.3.0"
 ],
 "changes": []
 },
 "desc": "Print short summaries of calls to <a href=\"https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Atomics/wait\"><code>Atomics.wait()</code></a> to stderr.\nThe output could look like this:\n<pre><code class=\"language-text\">(node:15701) [Thread 0] Atomics.wait(&#x26;lt;address> + 0, 1, inf) started\n(node:15701) [Thread 0] Atomics.wait(&#x26;lt;address> + 0, 1, inf) did not wait because the values mismatched\n(node:15701) [Thread 0] Atomics.wait(&#x26;lt;address> + 0, 0, 10) started\n(node:15701) [Thread 0] Atomics.wait(&#x26;lt;address> + 0, 0, 10) timed out\n(node:15701) [Thread 0] Atomics.wait(&#x26;lt;address> + 4, 0, inf) started\n(node:15701) [Thread 1] Atomics.wait(&#x26;lt;address> + 4, -1, inf) started\n(node:15701) [Thread 0] Atomics.wait(&#x26;lt;address> + 4, 0, inf) was woken up by another thread\n(node:15701) [Thread 1] Atomics.wait(&#x26;lt;address> + 4, -1, inf) was woken up by another thread\n</code></pre>\nThe fields here correspond to:\n<ul>\n<li>The thread id as given by <a href=\"worker_threads.html#worker_threads_worker_threadid\"><code>worker_threads.threadId</code></a></li>\n<li>The base address of the <code>SharedArrayBuffer</code> in question, as well as the\nbyte offset corresponding to the index passed to <code>Atomics.wait()</code></li>\n<li>The expected value that was passed to <code>Atomics.wait()</code></li>\n<li>The timeout passed to <code>Atomics.wait</code></li>\n</ul>",
 "type": "module",
 "displayName": "`--trace-atomics-wait`"
 },
 {
 "textRaw": "`--trace-deprecation`",
 "name": "`--trace-deprecation`",
 "meta": {
 "added": [
 "v0.8.0"
 ],
 "changes": []
 },
 "desc": "Print stack traces for deprecations.",
 "type": "module",
 "displayName": "`--trace-deprecation`"
 },
 {
 "textRaw": "`--trace-event-categories`",
 "name": "`--trace-event-categories`",
 "meta": {
 "added": [
 "v7.7.0"
 ],
 "changes": []
 },
 "desc": "A comma separated list of categories that should be traced when trace event\ntracing is enabled using <code>--trace-events-enabled</code>.",
 "type": "module",
 "displayName": "`--trace-event-categories`"
 },
 {
 "textRaw": "`--trace-event-file-pattern`",
 "name": "`--trace-event-file-pattern`",
 "meta": {
 "added": [
 "v9.8.0"
 ],
 "changes": []
 },
 "desc": "Template string specifying the filepath for the trace event data, it\nsupports <code>${rotation}</code> and <code>${pid}</code>.",
 "type": "module",
 "displayName": "`--trace-event-file-pattern`"
 },
 {
 "textRaw": "`--trace-events-enabled`",
 "name": "`--trace-events-enabled`",
 "meta": {
 "added": [
 "v7.7.0"
 ],
 "changes": []
 },
 "desc": "Enables the collection of trace event tracing information.",
 "type": "module",
 "displayName": "`--trace-events-enabled`"
 },
 {
 "textRaw": "`--trace-exit`",
 "name": "`--trace-exit`",
 "meta": {
 "added": [
 "v13.5.0",
 "v12.16.0"
 ],
 "changes": []
 },
 "desc": "Prints a stack trace whenever an environment is exited proactively,\ni.e. invoking <code>process.exit()</code>.",
 "type": "module",
 "displayName": "`--trace-exit`"
 },
 {
 "textRaw": "`--trace-sigint`",
 "name": "`--trace-sigint`",
 "meta": {
 "added": [
 "v13.9.0"
 ],
 "changes": []
 },
 "desc": "Prints a stack trace on SIGINT.",
 "type": "module",
 "displayName": "`--trace-sigint`"
 },
 {
 "textRaw": "`--trace-sync-io`",
 "name": "`--trace-sync-io`",
 "meta": {
 "added": [
 "v2.1.0"
 ],
 "changes": []
 },
 "desc": "Prints a stack trace whenever synchronous I/O is detected after the first turn\nof the event loop.",
 "type": "module",
 "displayName": "`--trace-sync-io`"
 },
 {
 "textRaw": "`--trace-tls`",
 "name": "`--trace-tls`",
 "meta": {
 "added": [
 "v12.2.0"
 ],
 "changes": []
 },
 "desc": "Prints TLS packet trace information to <code>stderr</code>. This can be used to debug TLS\nconnection problems.",
 "type": "module",
 "displayName": "`--trace-tls`"
 },
 {
 "textRaw": "`--trace-uncaught`",
 "name": "`--trace-uncaught`",
 "meta": {
 "added": [
 "v13.1.0"
 ],
 "changes": []
 },
 "desc": "Print stack traces for uncaught exceptions; usually, the stack trace associated\nwith the creation of an <code>Error</code> is printed, whereas this makes Node.js also\nprint the stack trace associated with throwing the value (which does not need\nto be an <code>Error</code> instance).\nEnabling this option may affect garbage collection behavior negatively.",
 "type": "module",
 "displayName": "`--trace-uncaught`"
 },
 {
 "textRaw": "`--trace-warnings`",
 "name": "`--trace-warnings`",
 "meta": {
 "added": [
 "v6.0.0"
 ],
 "changes": []
 },
 "desc": "Print stack traces for process warnings (including deprecations).",
 "type": "module",
 "displayName": "`--trace-warnings`"
 },
 {
 "textRaw": "`--track-heap-objects`",
 "name": "`--track-heap-objects`",
 "meta": {
 "added": [
 "v2.4.0"
 ],
 "changes": []
 },
 "desc": "Track heap object allocations for heap snapshots.",
 "type": "module",
 "displayName": "`--track-heap-objects`"
 },
 {
 "textRaw": "`--unhandled-rejections=mode`",
 "name": "`--unhandled-rejections=mode`",
 "meta": {
 "added": [
 "v12.0.0",
 "v10.17.0"
 ],
 "changes": []
 },
 "desc": "By default all unhandled rejections trigger a warning plus a deprecation warning\nfor the very first unhandled rejection in case no <a href=\"process.html#process_event_unhandledrejection\"><code>unhandledRejection</code></a> hook\nis used.\nUsing this flag allows to change what should happen when an unhandled rejection\noccurs. One of the following modes can be chosen:\n<ul>\n<li><code>throw</code>: Emit <a href=\"process.html#process_event_unhandledrejection\"><code>unhandledRejection</code></a>. If this hook is not set, raise the\nunhandled rejection as an uncaught exception.</li>\n<li><code>strict</code>: Raise the unhandled rejection as an uncaught exception.</li>\n<li><code>warn</code>: Always trigger a warning, no matter if the <a href=\"process.html#process_event_unhandledrejection\"><code>unhandledRejection</code></a>\nhook is set or not but do not print the deprecation warning.</li>\n<li><code>warn-with-error-code</code>: Emit <a href=\"process.html#process_event_unhandledrejection\"><code>unhandledRejection</code></a>. If this hook is not\nset, trigger a warning, and set the process exit code to 1.</li>\n<li><code>none</code>: Silence all warnings.</li>\n</ul>",
 "type": "module",
 "displayName": "`--unhandled-rejections=mode`"
 },
 {
 "textRaw": "`--use-bundled-ca`, `--use-openssl-ca`",
 "name": "`--use-bundled-ca`,_`--use-openssl-ca`",
 "meta": {
 "added": [
 "v6.11.0"
 ],
 "changes": []
 },
 "desc": "Use bundled Mozilla CA store as supplied by current Node.js version\nor use OpenSSL's default CA store. The default store is selectable\nat build-time.\nThe bundled CA store, as supplied by Node.js, is a snapshot of Mozilla CA store\nthat is fixed at release time. It is identical on all supported platforms.\nUsing OpenSSL store allows for external modifications of the store. For most\nLinux and BSD distributions, this store is maintained by the distribution\nmaintainers and system administrators. OpenSSL CA store location is dependent on\nconfiguration of the OpenSSL library but this can be altered at runtime using\nenvironment variables.\nSee <code>SSL_CERT_DIR</code> and <code>SSL_CERT_FILE</code>.",
 "type": "module",
 "displayName": "`--use-bundled-ca`, `--use-openssl-ca`"
 },
 {
 "textRaw": "`--use-largepages=mode`",
 "name": "`--use-largepages=mode`",
 "meta": {
 "added": [
 "v13.6.0"
 ],
 "changes": []
 },
 "desc": "Re-map the Node.js static code to large memory pages at startup. If supported on\nthe target system, this will cause the Node.js static code to be moved onto 2\nMiB pages instead of 4 KiB pages.\nThe following values are valid for <code>mode</code>:\n<ul>\n<li><code>off</code>: No mapping will be attempted. This is the default.</li>\n<li><code>on</code>: If supported by the OS, mapping will be attempted. Failure to map will\nbe ignored and a message will be printed to standard error.</li>\n<li><code>silent</code>: If supported by the OS, mapping will be attempted. Failure to map\nwill be ignored and will not be reported.</li>\n</ul>",
 "type": "module",
 "displayName": "`--use-largepages=mode`"
 },
 {
 "textRaw": "`--v8-options`",
 "name": "`--v8-options`",
 "meta": {
 "added": [
 "v0.1.3"
 ],
 "changes": []
 },
 "desc": "Print V8 command-line options.",
 "type": "module",
 "displayName": "`--v8-options`"
 },
 {
 "textRaw": "`--v8-pool-size=num`",
 "name": "`--v8-pool-size=num`",
 "meta": {
 "added": [
 "v5.10.0"
 ],
 "changes": []
 },
 "desc": "Set V8's thread pool size which will be used to allocate background jobs.\nIf set to <code>0</code> then V8 will choose an appropriate size of the thread pool based\non the number of online processors.\nIf the value provided is larger than V8's maximum, then the largest value\nwill be chosen.",
 "type": "module",
 "displayName": "`--v8-pool-size=num`"
 },
 {
 "textRaw": "`--zero-fill-buffers`",
 "name": "`--zero-fill-buffers`",
 "meta": {
 "added": [
 "v6.0.0"
 ],
 "changes": []
 },
 "desc": "Automatically zero-fills all newly allocated <a href=\"buffer.html#buffer_class_buffer\"><code>Buffer</code></a> and <a href=\"buffer.html#buffer_class_slowbuffer\"><code>SlowBuffer</code></a>\ninstances.",
 "type": "module",
 "displayName": "`--zero-fill-buffers`"
 },
 {
 "textRaw": "`-c`, `--check`",
 "name": "`-c`,_`--check`",
 "meta": {
 "added": [
 "v5.0.0",
 "v4.2.0"
 ],
 "changes": [
 {
 "version": "v10.0.0",
 "pr-url": "https://github.com/nodejs/node/pull/19600",
 "description": "The `--require` option is now supported when checking a file."
 }
 ]
 },
 "desc": "Syntax check the script without executing.",
 "type": "module",
 "displayName": "`-c`, `--check`"
 },
 {
 "textRaw": "`-e`, `--eval \"script\"`",
 "name": "`-e`,_`--eval_\"script\"`",
 "meta": {
 "added": [
 "v0.5.2"
 ],
 "changes": [
 {
 "version": "v5.11.0",
 "pr-url": "https://github.com/nodejs/node/pull/5348",
 "description": "Built-in libraries are now available as predefined variables."
 }
 ]
 },
 "desc": "Evaluate the following argument as JavaScript. The modules which are\npredefined in the REPL can also be used in <code>script</code>.\nOn Windows, using <code>cmd.exe</code> a single quote will not work correctly because it\nonly recognizes double <code>\"</code> for quoting. In Powershell or Git bash, both <code>'</code>\nand <code>\"</code> are usable.",
 "type": "module",
 "displayName": "`-e`, `--eval \"script\"`"
 },
 {
 "textRaw": "`-h`, `--help`",
 "name": "`-h`,_`--help`",
 "meta": {
 "added": [
 "v0.1.3"
 ],
 "changes": []
 },
 "desc": "Print node command-line options.\nThe output of this option is less detailed than this document.",
 "type": "module",
 "displayName": "`-h`, `--help`"
 },
 {
 "textRaw": "`-i`, `--interactive`",
 "name": "`-i`,_`--interactive`",
 "meta": {
 "added": [
 "v0.7.7"
 ],
 "changes": []
 },
 "desc": "Opens the REPL even if stdin does not appear to be a terminal.",
 "type": "module",
 "displayName": "`-i`, `--interactive`"
 },
 {
 "textRaw": "`-p`, `--print \"script\"`",
 "name": "`-p`,_`--print_\"script\"`",
 "meta": {
 "added": [
 "v0.6.4"
 ],
 "changes": [
 {
 "version": "v5.11.0",
 "pr-url": "https://github.com/nodejs/node/pull/5348",
 "description": "Built-in libraries are now available as predefined variables."
 }
 ]
 },
 "desc": "Identical to <code>-e</code> but prints the result.",
 "type": "module",
 "displayName": "`-p`, `--print \"script\"`"
 },
 {
 "textRaw": "`-r`, `--require module`",
 "name": "`-r`,_`--require_module`",
 "meta": {
 "added": [
 "v1.6.0"
 ],
 "changes": []
 },
 "desc": "Preload the specified module at startup.\nFollows <code>require()</code>'s module resolution\nrules. <code>module</code> may be either a path to a file, or a node module name.\nOnly CommonJS modules are supported. Attempting to preload a\nES6 Module using <code>--require</code> will fail with an error.",
 "type": "module",
 "displayName": "`-r`, `--require module`"
 },
 {
 "textRaw": "`-v`, `--version`",
 "name": "`-v`,_`--version`",
 "meta": {
 "added": [
 "v0.1.3"
 ],
 "changes": []
 },
 "desc": "Print node's version.",
 "type": "module",
 "displayName": "`-v`, `--version`"
 }
 ],
 "type": "misc",
 "displayName": "Options"
 },
 {
 "textRaw": "Environment variables",
 "name": "environment_variables",
 "modules": [
 {
 "textRaw": "`FORCE_COLOR=[1, 2, 3]`",
 "name": "`force_color=[1,_2,_3]`",
 "desc": "The <code>FORCE_COLOR</code> environment variable is used to\nenable ANSI colorized output. The value may be:\n<ul>\n<li><code>1</code>, <code>true</code>, or the empty string <code>''</code> indicate 16-color support,</li>\n<li><code>2</code> to indicate 256-color support, or</li>\n<li><code>3</code> to indicate 16 million-color support.</li>\n</ul>\nWhen <code>FORCE_COLOR</code> is used and set to a supported value, both the <code>NO_COLOR</code>,\nand <code>NODE_DISABLE_COLORS</code> environment variables are ignored.\nAny other value will result in colorized output being disabled.",
 "type": "module",
 "displayName": "`FORCE_COLOR=[1, 2, 3]`"
 },
 {
 "textRaw": "`NODE_DEBUG=module[,…]`",
 "name": "`node_debug=module[,…]`",
 "meta": {
 "added": [
 "v0.1.32"
 ],
 "changes": []
 },
 "desc": "<code>','</code>-separated list of core modules that should print debug information.",
 "type": "module",
 "displayName": "`NODE_DEBUG=module[,…]`"
 },
 {
 "textRaw": "`NODE_DEBUG_NATIVE=module[,…]`",
 "name": "`node_debug_native=module[,…]`",
 "desc": "<code>','</code>-separated list of core C++ modules that should print debug information.",
 "type": "module",
 "displayName": "`NODE_DEBUG_NATIVE=module[,…]`"
 },
 {
 "textRaw": "`NODE_DISABLE_COLORS=1`",
 "name": "`node_disable_colors=1`",
 "meta": {
 "added": [
 "v0.3.0"
 ],
 "changes": []
 },
 "desc": "When set, colors will not be used in the REPL.",
 "type": "module",
 "displayName": "`NODE_DISABLE_COLORS=1`"
 },
 {
 "textRaw": "`NODE_EXTRA_CA_CERTS=file`",
 "name": "`node_extra_ca_certs=file`",
 "meta": {
 "added": [
 "v7.3.0"
 ],
 "changes": []
 },
 "desc": "When set, the well known \"root\" CAs (like VeriSign) will be extended with the\nextra certificates in <code>file</code>. The file should consist of one or more trusted\ncertificates in PEM format. A message will be emitted (once) with\n<a href=\"process.html#process_process_emitwarning_warning_type_code_ctor\"><code>process.emitWarning()</code></a> if the file is missing or\nmalformed, but any errors are otherwise ignored.\nNeither the well known nor extra certificates are used when the <code>ca</code>\noptions property is explicitly specified for a TLS or HTTPS client or server.\nThis environment variable is ignored when <code>node</code> runs as setuid root or\nhas Linux file capabilities set.\nThe <code>NODE_EXTRA_CA_CERTS</code> environment variable is only read when the Node.js\nprocess is first launched. Changing the value at runtime using\n<code>process.env.NODE_EXTRA_CA_CERTS</code> has no effect on the current process.",
 "type": "module",
 "displayName": "`NODE_EXTRA_CA_CERTS=file`"
 },
 {
 "textRaw": "`NODE_ICU_DATA=file`",
 "name": "`node_icu_data=file`",
 "meta": {
 "added": [
 "v0.11.15"
 ],
 "changes": []
 },
 "desc": "Data path for ICU (<code>Intl</code> object) data. Will extend linked-in data when compiled\nwith small-icu support.",
 "type": "module",
 "displayName": "`NODE_ICU_DATA=file`"
 },
 {
 "textRaw": "`NODE_NO_WARNINGS=1`",
 "name": "`node_no_warnings=1`",
 "meta": {
 "added": [
 "v6.11.0"
 ],
 "changes": []
 },
 "desc": "When set to <code>1</code>, process warnings are silenced.",
 "type": "module",
 "displayName": "`NODE_NO_WARNINGS=1`"
 },
 {
 "textRaw": "`NODE_OPTIONS=options...`",
 "name": "`node_options=options...`",
 "meta": {
 "added": [
 "v8.0.0"
 ],
 "changes": []
 },
 "desc": "A space-separated list of command-line options. <code>options...</code> are interpreted\nbefore command-line options, so command-line options will override or\ncompound after anything in <code>options...</code>. Node.js will exit with an error if\nan option that is not allowed in the environment is used, such as <code>-p</code> or a\nscript file.\nIf an option value contains a space, it can be escaped using double quotes:\n<pre><code class=\"language-bash\">NODE_OPTIONS='--require \"./my path/file.js\"'\n</code></pre>\nA singleton flag passed as a command-line option will override the same flag\npassed into <code>NODE_OPTIONS</code>:\n<pre><code class=\"language-bash\"># The inspector will be available on port 5555\nNODE_OPTIONS='--inspect=localhost:4444' node --inspect=localhost:5555\n</code></pre>\nA flag that can be passed multiple times will be treated as if its\n<code>NODE_OPTIONS</code> instances were passed first, and then its command-line\ninstances afterwards:\n<pre><code class=\"language-bash\">NODE_OPTIONS='--require \"./a.js\"' node --require \"./b.js\"\n# is equivalent to:\nnode --require \"./a.js\" --require \"./b.js\"\n</code></pre>\nNode.js options that are allowed are:\n\n<ul>\n<li><code>--conditions</code>, <code>-C</code></li>\n<li><code>--diagnostic-dir</code></li>\n<li><code>--disable-proto</code></li>\n<li><code>--dns-result-order</code></li>\n<li><code>--enable-fips</code></li>\n<li><code>--enable-source-maps</code></li>\n<li><code>--experimental-abortcontroller</code></li>\n<li><code>--experimental-import-meta-resolve</code></li>\n<li><code>--experimental-json-modules</code></li>\n<li><code>--experimental-loader</code></li>\n<li><code>--experimental-modules</code></li>\n<li><code>--experimental-policy</code></li>\n<li><code>--experimental-repl-await</code></li>\n<li><code>--experimental-specifier-resolution</code></li>\n<li><code>--experimental-top-level-await</code></li>\n<li><code>--experimental-vm-modules</code></li>\n<li><code>--experimental-wasi-unstable-preview1</code></li>\n<li><code>--experimental-wasm-modules</code></li>\n<li><code>--force-context-aware</code></li>\n<li><code>--force-fips</code></li>\n<li><code>--frozen-intrinsics</code></li>\n<li><code>--heapsnapshot-near-heap-limit</code></li>\n<li><code>--heapsnapshot-signal</code></li>\n<li><code>--http-parser</code></li>\n<li><code>--icu-data-dir</code></li>\n<li><code>--input-type</code></li>\n<li><code>--insecure-http-parser</code></li>\n<li><code>--inspect-brk</code></li>\n<li><code>--inspect-port</code>, <code>--debug-port</code></li>\n<li><code>--inspect-publish-uid</code></li>\n<li><code>--inspect</code></li>\n<li><code>--max-http-header-size</code></li>\n<li><code>--napi-modules</code></li>\n<li><code>--no-deprecation</code></li>\n<li><code>--no-force-async-hooks-checks</code></li>\n<li><code>--no-warnings</code></li>\n<li><code>--node-memory-debug</code></li>\n<li><code>--openssl-config</code></li>\n<li><code>--pending-deprecation</code></li>\n<li><code>--policy-integrity</code></li>\n<li><code>--preserve-symlinks-main</code></li>\n<li><code>--preserve-symlinks</code></li>\n<li><code>--prof-process</code></li>\n<li><code>--redirect-warnings</code></li>\n<li><code>--report-compact</code></li>\n<li><code>--report-dir</code>, <code>--report-directory</code></li>\n<li><code>--report-filename</code></li>\n<li><code>--report-on-fatalerror</code></li>\n<li><code>--report-on-signal</code></li>\n<li><code>--report-signal</code></li>\n<li><code>--report-uncaught-exception</code></li>\n<li><code>--require</code>, <code>-r</code></li>\n<li><code>--throw-deprecation</code></li>\n<li><code>--title</code></li>\n<li><code>--tls-cipher-list</code></li>\n<li><code>--tls-keylog</code></li>\n<li><code>--tls-max-v1.2</code></li>\n<li><code>--tls-max-v1.3</code></li>\n<li><code>--tls-min-v1.0</code></li>\n<li><code>--tls-min-v1.1</code></li>\n<li><code>--tls-min-v1.2</code></li>\n<li><code>--tls-min-v1.3</code></li>\n<li><code>--trace-atomics-wait</code></li>\n<li><code>--trace-deprecation</code></li>\n<li><code>--trace-event-categories</code></li>\n<li><code>--trace-event-file-pattern</code></li>\n<li><code>--trace-events-enabled</code></li>\n<li><code>--trace-exit</code></li>\n<li><code>--trace-sigint</code></li>\n<li><code>--trace-sync-io</code></li>\n<li><code>--trace-tls</code></li>\n<li><code>--trace-uncaught</code></li>\n<li><code>--trace-warnings</code></li>\n<li><code>--track-heap-objects</code></li>\n<li><code>--unhandled-rejections</code></li>\n<li><code>--use-bundled-ca</code></li>\n<li><code>--use-largepages</code></li>\n<li><code>--use-openssl-ca</code></li>\n<li><code>--v8-pool-size</code></li>\n<li><code>--zero-fill-buffers</code></li>\n</ul>\n\nV8 options that are allowed are:\n\n<ul>\n<li><code>--abort-on-uncaught-exception</code></li>\n<li><code>--disallow-code-generation-from-strings</code></li>\n<li><code>--huge-max-old-generation-size</code></li>\n<li><code>--interpreted-frames-native-stack</code></li>\n<li><code>--jitless</code></li>\n<li><code>--max-old-space-size</code></li>\n<li><code>--perf-basic-prof-only-functions</code></li>\n<li><code>--perf-basic-prof</code></li>\n<li><code>--perf-prof-unwinding-info</code></li>\n<li><code>--perf-prof</code></li>\n<li><code>--stack-trace-limit</code></li>\n</ul>\n\n<code>--perf-basic-prof-only-functions</code>, <code>--perf-basic-prof</code>,\n<code>--perf-prof-unwinding-info</code>, and <code>--perf-prof</code> are only available on Linux.",
 "type": "module",
 "displayName": "`NODE_OPTIONS=options...`"
 },
 {
 "textRaw": "`NODE_PATH=path[:…]`",
 "name": "`node_path=path[:…]`",
 "meta": {
 "added": [
 "v0.1.32"
 ],
 "changes": []
 },
 "desc": "<code>':'</code>-separated list of directories prefixed to the module search path.\nOn Windows, this is a <code>';'</code>-separated list instead.",
 "type": "module",
 "displayName": "`NODE_PATH=path[:…]`"
 },
 {
 "textRaw": "`NODE_PENDING_DEPRECATION=1`",
 "name": "`node_pending_deprecation=1`",
 "meta": {
 "added": [
 "v8.0.0"
 ],
 "changes": []
 },
 "desc": "When set to <code>1</code>, emit pending deprecation warnings.\nPending deprecations are generally identical to a runtime deprecation with the\nnotable exception that they are turned off by default and will not be emitted\nunless either the <code>--pending-deprecation</code> command-line flag, or the\n<code>NODE_PENDING_DEPRECATION=1</code> environment variable, is set. Pending deprecations\nare used to provide a kind of selective \"early warning\" mechanism that\ndevelopers may leverage to detect deprecated API usage.",
 "type": "module",
 "displayName": "`NODE_PENDING_DEPRECATION=1`"
 },
 {
 "textRaw": "`NODE_PENDING_PIPE_INSTANCES=instances`",
 "name": "`node_pending_pipe_instances=instances`",
 "desc": "Set the number of pending pipe instance handles when the pipe server is waiting\nfor connections. This setting applies to Windows only.",
 "type": "module",
 "displayName": "`NODE_PENDING_PIPE_INSTANCES=instances`"
 },
 {
 "textRaw": "`NODE_PRESERVE_SYMLINKS=1`",
 "name": "`node_preserve_symlinks=1`",
 "meta": {
 "added": [
 "v7.1.0"
 ],
 "changes": []
 },
 "desc": "When set to <code>1</code>, instructs the module loader to preserve symbolic links when\nresolving and caching modules.",
 "type": "module",
 "displayName": "`NODE_PRESERVE_SYMLINKS=1`"
 },
 {
 "textRaw": "`NODE_REDIRECT_WARNINGS=file`",
 "name": "`node_redirect_warnings=file`",
 "meta": {
 "added": [
 "v8.0.0"
 ],
 "changes": []
 },
 "desc": "When set, process warnings will be emitted to the given file instead of\nprinting to stderr. The file will be created if it does not exist, and will be\nappended to if it does. If an error occurs while attempting to write the\nwarning to the file, the warning will be written to stderr instead. This is\nequivalent to using the <code>--redirect-warnings=file</code> command-line flag.",
 "type": "module",
 "displayName": "`NODE_REDIRECT_WARNINGS=file`"
 },
 {
 "textRaw": "`NODE_REPL_HISTORY=file`",
 "name": "`node_repl_history=file`",
 "meta": {
 "added": [
 "v3.0.0"
 ],
 "changes": []
 },
 "desc": "Path to the file used to store the persistent REPL history. The default path is\n<code>~/.node_repl_history</code>, which is overridden by this variable. Setting the value\nto an empty string (<code>''</code> or <code>' '</code>) disables persistent REPL history.",
 "type": "module",
 "displayName": "`NODE_REPL_HISTORY=file`"
 },
 {
 "textRaw": "`NODE_REPL_EXTERNAL_MODULE=file`",
 "name": "`node_repl_external_module=file`",
 "meta": {
 "added": [
 "v13.0.0",
 "v12.16.0"
 ],
 "changes": []
 },
 "desc": "Path to a Node.js module which will be loaded in place of the built-in REPL.\nOverriding this value to an empty string (<code>''</code>) will use the built-in REPL.",
 "type": "module",
 "displayName": "`NODE_REPL_EXTERNAL_MODULE=file`"
 },
 {
 "textRaw": "`NODE_SKIP_PLATFORM_CHECK=value`",
 "name": "`node_skip_platform_check=value`",
 "meta": {
 "added": [
 "v14.5.0"
 ],
 "changes": []
 },
 "desc": "If <code>value</code> equals <code>'1'</code>, the check for a supported platform is skipped during\nNode.js startup. Node.js might not execute correctly. Any issues encountered\non unsupported platforms will not be fixed.",
 "type": "module",
 "displayName": "`NODE_SKIP_PLATFORM_CHECK=value`"
 },
 {
 "textRaw": "`NODE_TLS_REJECT_UNAUTHORIZED=value`",
 "name": "`node_tls_reject_unauthorized=value`",
 "desc": "If <code>value</code> equals <code>'0'</code>, certificate validation is disabled for TLS connections.\nThis makes TLS, and HTTPS by extension, insecure. The use of this environment\nvariable is strongly discouraged.",
 "type": "module",
 "displayName": "`NODE_TLS_REJECT_UNAUTHORIZED=value`"
 },
 {
 "textRaw": "`NODE_V8_COVERAGE=dir`",
 "name": "`node_v8_coverage=dir`",
 "desc": "When set, Node.js will begin outputting <a href=\"https://v8project.blogspot.com/2017/12/javascript-code-coverage.html\">V8 JavaScript code coverage</a> and\n<a href=\"https://sourcemaps.info/spec.html\">Source Map</a> data to the directory provided as an argument (coverage\ninformation is written as JSON to files with a <code>coverage</code> prefix).\n<code>NODE_V8_COVERAGE</code> will automatically propagate to subprocesses, making it\neasier to instrument applications that call the <code>child_process.spawn()</code> family\nof functions. <code>NODE_V8_COVERAGE</code> can be set to an empty string, to prevent\npropagation.",
 "modules": [
 {
 "textRaw": "Coverage output",
 "name": "coverage_output",
 "desc": "Coverage is output as an array of <a href=\"https://chromedevtools.github.io/devtools-protocol/tot/Profiler#type-ScriptCoverage\">ScriptCoverage</a> objects on the top-level\nkey <code>result</code>:\n<pre><code class=\"language-json\">{\n \"result\": [\n {\n \"scriptId\": \"67\",\n \"url\": \"internal/tty.js\",\n \"functions\": []\n }\n ]\n}\n</code></pre>",
 "type": "module",
 "displayName": "Coverage output"
 },
 {
 "textRaw": "Source map cache",
 "name": "source_map_cache",
 "stability": 1,
 "stabilityText": "Experimental",
 "desc": "If found, source map data is appended to the top-level key <code>source-map-cache</code>\non the JSON coverage object.\n<code>source-map-cache</code> is an object with keys representing the files source maps\nwere extracted from, and values which include the raw source-map URL\n(in the key <code>url</code>), the parsed Source Map v3 information (in the key <code>data</code>),\nand the line lengths of the source file (in the key <code>lineLengths</code>).\n<pre><code class=\"language-json\">{\n \"result\": [\n {\n \"scriptId\": \"68\",\n \"url\": \"file:///absolute/path/to/source.js\",\n \"functions\": []\n }\n ],\n \"source-map-cache\": {\n \"file:///absolute/path/to/source.js\": {\n \"url\": \"./path-to-map.json\",\n \"data\": {\n \"version\": 3,\n \"sources\": [\n \"file:///absolute/path/to/original.js\"\n ],\n \"names\": [\n \"Foo\",\n \"console\",\n \"info\"\n ],\n \"mappings\": \"MAAMA,IACJC,YAAaC\",\n \"sourceRoot\": \"./\"\n },\n \"lineLengths\": [\n 13,\n 62,\n 38,\n 27\n ]\n }\n }\n}\n</code></pre>",
 "type": "module",
 "displayName": "Source map cache"
 }
 ],
 "type": "module",
 "displayName": "`NODE_V8_COVERAGE=dir`"
 },
 {
 "textRaw": "`NO_COLOR=<any>`",
 "name": "`no_color=<any>`",
 "desc": "<a href=\"https://no-color.org\"><code>NO_COLOR</code></a> is an alias for <code>NODE_DISABLE_COLORS</code>. The value of the\nenvironment variable is arbitrary.",
 "type": "module",
 "displayName": "`NO_COLOR=<any>`"
 },
 {
 "textRaw": "`OPENSSL_CONF=file`",
 "name": "`openssl_conf=file`",
 "meta": {
 "added": [
 "v6.11.0"
 ],
 "changes": []
 },
 "desc": "Load an OpenSSL configuration file on startup. Among other uses, this can be\nused to enable FIPS-compliant crypto if Node.js is built with <code>./configure --openssl-fips</code>.\nIf the <a href=\"#cli_openssl_config_file\"><code>--openssl-config</code></a> command-line option is used, the environment\nvariable is ignored.",
 "type": "module",
 "displayName": "`OPENSSL_CONF=file`"
 },
 {
 "textRaw": "`SSL_CERT_DIR=dir`",
 "name": "`ssl_cert_dir=dir`",
 "meta": {
 "added": [
 "v7.7.0"
 ],
 "changes": []
 },
 "desc": "If <code>--use-openssl-ca</code> is enabled, this overrides and sets OpenSSL's directory\ncontaining trusted certificates.\nBe aware that unless the child environment is explicitly set, this environment\nvariable will be inherited by any child processes, and if they use OpenSSL, it\nmay cause them to trust the same CAs as node.",
 "type": "module",
 "displayName": "`SSL_CERT_DIR=dir`"
 },
 {
 "textRaw": "`SSL_CERT_FILE=file`",
 "name": "`ssl_cert_file=file`",
 "meta": {
 "added": [
 "v7.7.0"
 ],
 "changes": []
 },
 "desc": "If <code>--use-openssl-ca</code> is enabled, this overrides and sets OpenSSL's file\ncontaining trusted certificates.\nBe aware that unless the child environment is explicitly set, this environment\nvariable will be inherited by any child processes, and if they use OpenSSL, it\nmay cause them to trust the same CAs as node.",
 "type": "module",
 "displayName": "`SSL_CERT_FILE=file`"
 },
 {
 "textRaw": "`UV_THREADPOOL_SIZE=size`",
 "name": "`uv_threadpool_size=size`",
 "desc": "Set the number of threads used in libuv's threadpool to <code>size</code> threads.\nAsynchronous system APIs are used by Node.js whenever possible, but where they\ndo not exist, libuv's threadpool is used to create asynchronous node APIs based\non synchronous system APIs. Node.js APIs that use the threadpool are:\n<ul>\n<li>all <code>fs</code> APIs, other than the file watcher APIs and those that are explicitly\nsynchronous</li>\n<li>asynchronous crypto APIs such as <code>crypto.pbkdf2()</code>, <code>crypto.scrypt()</code>,\n<code>crypto.randomBytes()</code>, <code>crypto.randomFill()</code>, <code>crypto.generateKeyPair()</code></li>\n<li><code>dns.lookup()</code></li>\n<li>all <code>zlib</code> APIs, other than those that are explicitly synchronous</li>\n</ul>\nBecause libuv's threadpool has a fixed size, it means that if for whatever\nreason any of these APIs takes a long time, other (seemingly unrelated) APIs\nthat run in libuv's threadpool will experience degraded performance. In order to\nmitigate this issue, one potential solution is to increase the size of libuv's\nthreadpool by setting the <code>'UV_THREADPOOL_SIZE'</code> environment variable to a value\ngreater than <code>4</code> (its current default value). For more information, see the\n<a href=\"https://docs.libuv.org/en/latest/threadpool.html\">libuv threadpool documentation</a>.",
 "type": "module",
 "displayName": "`UV_THREADPOOL_SIZE=size`"
 }
 ],
 "type": "misc",
 "displayName": "Environment variables"
 },
 {
 "textRaw": "Useful V8 options",
 "name": "useful_v8_options",
 "desc": "V8 has its own set of CLI options. Any V8 CLI option that is provided to <code>node</code>\nwill be passed on to V8 to handle. V8's options have no stability guarantee.\nThe V8 team themselves don't consider them to be part of their formal API,\nand reserve the right to change them at any time. Likewise, they are not\ncovered by the Node.js stability guarantees. Many of the V8\noptions are of interest only to V8 developers. Despite this, there is a small\nset of V8 options that are widely applicable to Node.js, and they are\ndocumented here:",
 "modules": [
 {
 "textRaw": "`--max-old-space-size=SIZE` (in megabytes)",
 "name": "`--max-old-space-size=size`_(in_megabytes)",
 "desc": "Sets the max memory size of V8's old memory section. As memory\nconsumption approaches the limit, V8 will spend more time on\ngarbage collection in an effort to free unused memory.\nOn a machine with 2GB of memory, consider setting this to\n1536 (1.5GB) to leave some memory for other uses and avoid swapping.\n<pre><code class=\"language-console\">$ node --max-old-space-size=1536 index.js\n</code></pre>",
 "type": "module",
 "displayName": "`--max-old-space-size=SIZE` (in megabytes)"
 }
 ],
 "type": "misc",
 "displayName": "Useful V8 options"
 }
 ]
 }
 ]
}