mirror of
https://github.com/denoland/deno.git
synced 2024-11-21 15:04:11 -05:00
perf: warm expensive init code at snapshot time (#22714)
Slightly different approach to similar changes in #22386 Note that this doesn't use a warmup script -- we are actually just doing more work at snapshot time.
This commit is contained in:
Matt Mastracci
GitHub
parent
9c2f9f14e7
commit
08ec6e5831
4 changed files with 401 additions and 360 deletions
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@ -16,38 +16,32 @@ function initialize(
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runningOnMainThread,
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workerId,
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maybeWorkerMetadata,
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warmup = false,
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) {
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if (initialized) {
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throw Error("Node runtime already initialized");
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}
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initialized = true;
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if (usesLocalNodeModulesDir) {
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requireImpl.setUsesLocalNodeModulesDir();
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}
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const nativeModuleExports = requireImpl.nativeModuleExports;
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nodeGlobals.Buffer = nativeModuleExports["buffer"].Buffer;
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nodeGlobals.clearImmediate = nativeModuleExports["timers"].clearImmediate;
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nodeGlobals.clearInterval = nativeModuleExports["timers"].clearInterval;
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nodeGlobals.clearTimeout = nativeModuleExports["timers"].clearTimeout;
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nodeGlobals.console = nativeModuleExports["console"];
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nodeGlobals.global = globalThis;
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nodeGlobals.process = nativeModuleExports["process"];
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nodeGlobals.setImmediate = nativeModuleExports["timers"].setImmediate;
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nodeGlobals.setInterval = nativeModuleExports["timers"].setInterval;
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nodeGlobals.setTimeout = nativeModuleExports["timers"].setTimeout;
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nodeGlobals.performance = nativeModuleExports["perf_hooks"].performance;
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if (!warmup) {
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if (initialized) {
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throw Error("Node runtime already initialized");
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}
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initialized = true;
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if (usesLocalNodeModulesDir) {
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requireImpl.setUsesLocalNodeModulesDir();
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}
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// FIXME(bartlomieju): not nice to depend on `Deno` namespace here
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// but it's the only way to get `args` and `version` and this point.
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internals.__bootstrapNodeProcess(argv0, Deno.args, Deno.version);
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internals.__initWorkerThreads(
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runningOnMainThread,
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workerId,
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maybeWorkerMetadata,
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);
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internals.__setupChildProcessIpcChannel();
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// `Deno[Deno.internal].requireImpl` will be unreachable after this line.
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delete internals.requireImpl;
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// FIXME(bartlomieju): not nice to depend on `Deno` namespace here
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// but it's the only way to get `args` and `version` and this point.
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internals.__bootstrapNodeProcess(argv0, Deno.args, Deno.version);
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internals.__initWorkerThreads(
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runningOnMainThread,
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workerId,
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maybeWorkerMetadata,
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);
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internals.__setupChildProcessIpcChannel();
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// `Deno[Deno.internal].requireImpl` will be unreachable after this line.
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delete internals.requireImpl;
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} else {
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// Warm up the process module
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internals.__bootstrapNodeProcess(undefined, undefined, undefined, true);
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}
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}
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function loadCjsModule(moduleName, isMain, inspectBrk) {
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@ -63,3 +57,16 @@ internals.node = {
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initialize,
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loadCjsModule,
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};
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const nativeModuleExports = requireImpl.nativeModuleExports;
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nodeGlobals.Buffer = nativeModuleExports["buffer"].Buffer;
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nodeGlobals.clearImmediate = nativeModuleExports["timers"].clearImmediate;
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nodeGlobals.clearInterval = nativeModuleExports["timers"].clearInterval;
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nodeGlobals.clearTimeout = nativeModuleExports["timers"].clearTimeout;
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nodeGlobals.console = nativeModuleExports["console"];
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nodeGlobals.global = globalThis;
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nodeGlobals.process = nativeModuleExports["process"];
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nodeGlobals.setImmediate = nativeModuleExports["timers"].setImmediate;
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nodeGlobals.setInterval = nativeModuleExports["timers"].setInterval;
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nodeGlobals.setTimeout = nativeModuleExports["timers"].setTimeout;
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nodeGlobals.performance = nativeModuleExports["perf_hooks"].performance;
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@ -16,7 +16,7 @@ import * as io from "ext:deno_io/12_io.js";
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import { guessHandleType } from "ext:deno_node/internal_binding/util.ts";
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// https://github.com/nodejs/node/blob/00738314828074243c9a52a228ab4c68b04259ef/lib/internal/bootstrap/switches/is_main_thread.js#L41
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export function createWritableStdioStream(writer, name) {
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export function createWritableStdioStream(writer, name, warmup = false) {
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const stream = new Writable({
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emitClose: false,
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write(buf, enc, cb) {
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@ -73,7 +73,9 @@ export function createWritableStdioStream(writer, name) {
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},
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});
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if (writer?.isTerminal()) {
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// If we're warming up, create a stdout/stderr stream that assumes a terminal (the most likely case).
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// If we're wrong at boot time, we'll recreate it.
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if (warmup || writer?.isTerminal()) {
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// These belong on tty.WriteStream(), but the TTY streams currently have
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// following problems:
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// 1. Using them here introduces a circular dependency.
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@ -123,10 +125,11 @@ export function setReadStream(s) {
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/** https://nodejs.org/api/process.html#process_process_stdin */
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// https://github.com/nodejs/node/blob/v18.12.1/lib/internal/bootstrap/switches/is_main_thread.js#L189
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/** Create process.stdin */
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export const initStdin = () => {
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export const initStdin = (warmup = false) => {
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const fd = io.stdin ? io.STDIN_RID : undefined;
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let stdin;
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const stdinType = _guessStdinType(fd);
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// Warmup assumes a TTY for all stdio
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const stdinType = warmup ? "TTY" : _guessStdinType(fd);
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switch (stdinType) {
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case "FILE": {
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@ -142,6 +145,11 @@ export const initStdin = () => {
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break;
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}
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case "TTY": {
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// If it's a TTY, we know that the stdin we created during warmup is the correct one and
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// just return null to re-use it.
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if (!warmup) {
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return null;
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}
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stdin = new readStream(fd);
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break;
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}
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@ -68,7 +68,7 @@ const notImplementedEvents = [
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"worker",
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];
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export const argv: string[] = [];
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export const argv: string[] = ["", ""];
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let globalProcessExitCode: number | undefined = undefined;
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/** https://nodejs.org/api/process.html#process_process_exit_code */
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@ -868,69 +868,91 @@ function synchronizeListeners() {
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}
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}
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// Overwrites the 1st and 2nd items with getters.
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Object.defineProperty(argv, "0", { get: () => argv0 });
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Object.defineProperty(argv, "1", {
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get: () => {
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if (Deno.mainModule?.startsWith("file:")) {
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return pathFromURL(new URL(Deno.mainModule));
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} else {
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return join(Deno.cwd(), "$deno$node.js");
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}
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},
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});
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// Should be called only once, in `runtime/js/99_main.js` when the runtime is
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// bootstrapped.
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internals.__bootstrapNodeProcess = function (
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argv0Val: string | undefined,
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args: string[],
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denoVersions: Record<string, string>,
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warmup = false,
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) {
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// Overwrites the 1st item with getter.
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if (typeof argv0Val === "string") {
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argv0 = argv0Val;
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Object.defineProperty(argv, "0", {
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get: () => {
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return argv0Val;
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},
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});
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if (!warmup) {
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argv0 = argv0Val || "";
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// Manually concatenate these arrays to avoid triggering the getter
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for (let i = 0; i < args.length; i++) {
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argv[i + 2] = args[i];
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}
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for (const [key, value] of Object.entries(denoVersions)) {
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versions[key] = value;
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}
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core.setNextTickCallback(processTicksAndRejections);
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core.setMacrotaskCallback(runNextTicks);
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enableNextTick();
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// Replace stdin if it is not a terminal
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const newStdin = initStdin();
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if (newStdin) {
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stdin = process.stdin = newStdin;
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}
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// Replace stdout/stderr if they are not terminals
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if (!io.stdout.isTerminal()) {
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/** https://nodejs.org/api/process.html#process_process_stdout */
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stdout = process.stdout = createWritableStdioStream(
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io.stdout,
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"stdout",
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);
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}
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if (!io.stderr.isTerminal()) {
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/** https://nodejs.org/api/process.html#process_process_stderr */
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stderr = process.stderr = createWritableStdioStream(
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io.stderr,
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"stderr",
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);
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}
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process.setStartTime(Date.now());
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arch = arch_();
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platform = isWindows ? "win32" : Deno.build.os;
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pid = Deno.pid;
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// @ts-ignore Remove setStartTime and #startTime is not modifiable
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delete process.setStartTime;
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delete internals.__bootstrapNodeProcess;
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} else {
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Object.defineProperty(argv, "0", { get: () => argv0 });
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// Warmup, assuming stdin/stdout/stderr are all terminals
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stdin = process.stdin = initStdin(true);
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/** https://nodejs.org/api/process.html#process_process_stdout */
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stdout = process.stdout = createWritableStdioStream(
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io.stdout,
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"stdout",
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true,
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);
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/** https://nodejs.org/api/process.html#process_process_stderr */
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stderr = process.stderr = createWritableStdioStream(
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io.stderr,
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"stderr",
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true,
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);
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}
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// Overwrites the 2st item with getter.
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Object.defineProperty(argv, "1", {
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get: () => {
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if (Deno.mainModule?.startsWith("file:")) {
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return pathFromURL(new URL(Deno.mainModule));
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} else {
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return join(Deno.cwd(), "$deno$node.js");
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}
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},
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});
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for (let i = 0; i < args.length; i++) {
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argv[i + 2] = args[i];
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}
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for (const [key, value] of Object.entries(denoVersions)) {
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versions[key] = value;
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}
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core.setNextTickCallback(processTicksAndRejections);
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core.setMacrotaskCallback(runNextTicks);
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enableNextTick();
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stdin = process.stdin = initStdin();
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/** https://nodejs.org/api/process.html#process_process_stdout */
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stdout = process.stdout = createWritableStdioStream(
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io.stdout,
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"stdout",
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);
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/** https://nodejs.org/api/process.html#process_process_stderr */
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stderr = process.stderr = createWritableStdioStream(
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io.stderr,
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"stderr",
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);
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process.setStartTime(Date.now());
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arch = arch_();
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platform = isWindows ? "win32" : Deno.build.os;
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pid = Deno.pid;
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// @ts-ignore Remove setStartTime and #startTime is not modifiable
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delete process.setStartTime;
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delete internals.__bootstrapNodeProcess;
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};
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export default process;
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@ -628,6 +628,28 @@ const finalDenoNs = {
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bench: () => {},
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};
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ObjectDefineProperties(finalDenoNs, {
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pid: core.propGetterOnly(opPid),
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// `ppid` should not be memoized.
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// https://github.com/denoland/deno/issues/23004
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ppid: core.propGetterOnly(() => op_ppid()),
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noColor: core.propGetterOnly(() => op_bootstrap_no_color()),
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args: core.propGetterOnly(opArgs),
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mainModule: core.propGetterOnly(() => op_main_module()),
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// TODO(kt3k): Remove this export at v2
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// See https://github.com/denoland/deno/issues/9294
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customInspect: {
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get() {
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warnOnDeprecatedApi(
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"Deno.customInspect",
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new Error().stack,
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'Use `Symbol.for("Deno.customInspect")` instead.',
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);
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return customInspect;
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},
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},
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});
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const {
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denoVersion,
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tsVersion,
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@ -635,155 +657,130 @@ const {
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target,
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} = op_snapshot_options();
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function bootstrapMainRuntime(runtimeOptions) {
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if (hasBootstrapped) {
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throw new Error("Worker runtime already bootstrapped");
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}
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const nodeBootstrap = globalThis.nodeBootstrap;
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const {
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0: location_,
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1: unstableFlag,
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2: unstableFeatures,
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3: inspectFlag,
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5: hasNodeModulesDir,
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6: argv0,
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7: shouldDisableDeprecatedApiWarning,
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8: shouldUseVerboseDeprecatedApiWarning,
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9: future,
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} = runtimeOptions;
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removeImportedOps();
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deprecatedApiWarningDisabled = shouldDisableDeprecatedApiWarning;
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verboseDeprecatedApiWarning = shouldUseVerboseDeprecatedApiWarning;
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performance.setTimeOrigin(DateNow());
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globalThis_ = globalThis;
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// Remove bootstrapping data from the global scope
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delete globalThis.__bootstrap;
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delete globalThis.bootstrap;
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delete globalThis.nodeBootstrap;
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hasBootstrapped = true;
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// If the `--location` flag isn't set, make `globalThis.location` `undefined` and
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// writable, so that they can mock it themselves if they like. If the flag was
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// set, define `globalThis.location`, using the provided value.
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if (location_ == null) {
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mainRuntimeGlobalProperties.location = {
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writable: true,
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};
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} else {
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location.setLocationHref(location_);
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}
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exposeUnstableFeaturesForWindowOrWorkerGlobalScope({
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unstableFlag,
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unstableFeatures,
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});
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ObjectDefineProperties(globalThis, mainRuntimeGlobalProperties);
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ObjectDefineProperties(globalThis, {
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// TODO(bartlomieju): in the future we might want to change the
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// behavior of setting `name` to actually update the process name.
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// Empty string matches what browsers do.
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name: core.propWritable(""),
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close: core.propWritable(windowClose),
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closed: core.propGetterOnly(() => windowIsClosing),
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});
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ObjectSetPrototypeOf(globalThis, Window.prototype);
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if (inspectFlag) {
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const consoleFromDeno = globalThis.console;
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core.wrapConsole(consoleFromDeno, core.v8Console);
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}
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event.setEventTargetData(globalThis);
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event.saveGlobalThisReference(globalThis);
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event.defineEventHandler(globalThis, "error");
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event.defineEventHandler(globalThis, "load");
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event.defineEventHandler(globalThis, "beforeunload");
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event.defineEventHandler(globalThis, "unload");
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event.defineEventHandler(globalThis, "unhandledrejection");
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runtimeStart(
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denoVersion,
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v8Version,
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tsVersion,
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target,
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);
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ObjectDefineProperties(finalDenoNs, {
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pid: core.propGetterOnly(opPid),
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// `ppid` should not be memoized.
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// https://github.com/denoland/deno/issues/23004
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ppid: core.propGetterOnly(() => op_ppid()),
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noColor: core.propGetterOnly(() => op_bootstrap_no_color()),
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args: core.propGetterOnly(opArgs),
|
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mainModule: core.propGetterOnly(() => op_main_module()),
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// TODO(kt3k): Remove this export at v2
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// See https://github.com/denoland/deno/issues/9294
|
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customInspect: {
|
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get() {
|
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warnOnDeprecatedApi(
|
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"Deno.customInspect",
|
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new Error().stack,
|
||||
'Use `Symbol.for("Deno.customInspect")` instead.',
|
||||
);
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return customInspect;
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||||
},
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||||
},
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||||
});
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// TODO(bartlomieju): deprecate --unstable
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if (unstableFlag) {
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ObjectAssign(finalDenoNs, denoNsUnstable);
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// TODO(bartlomieju): this is not ideal, but because we use `ObjectAssign`
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// above any properties that are defined elsewhere using `Object.defineProperty`
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// are lost.
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let jupyterNs = undefined;
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ObjectDefineProperty(finalDenoNs, "jupyter", {
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get() {
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if (jupyterNs) {
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return jupyterNs;
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}
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throw new Error(
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"Deno.jupyter is only available in `deno jupyter` subcommand.",
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);
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},
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set(val) {
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jupyterNs = val;
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},
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});
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} else {
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for (let i = 0; i <= unstableFeatures.length; i++) {
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const id = unstableFeatures[i];
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ObjectAssign(finalDenoNs, denoNsUnstableById[id]);
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function bootstrapMainRuntime(runtimeOptions, warmup = false) {
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if (!warmup) {
|
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if (hasBootstrapped) {
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throw new Error("Worker runtime already bootstrapped");
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}
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}
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if (!ArrayPrototypeIncludes(unstableFeatures, unstableIds.unsafeProto)) {
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// Removes the `__proto__` for security reasons.
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// https://tc39.es/ecma262/#sec-get-object.prototype.__proto__
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delete Object.prototype.__proto__;
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}
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const {
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0: location_,
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1: unstableFlag,
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2: unstableFeatures,
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3: inspectFlag,
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5: hasNodeModulesDir,
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6: argv0,
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7: shouldDisableDeprecatedApiWarning,
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8: shouldUseVerboseDeprecatedApiWarning,
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9: future,
|
||||
} = runtimeOptions;
|
||||
|
||||
if (!ArrayPrototypeIncludes(unstableFeatures, unstableIds.temporal)) {
|
||||
// Removes the `Temporal` API.
|
||||
delete globalThis.Temporal;
|
||||
delete globalThis.Date.prototype.toTemporalInstant;
|
||||
}
|
||||
removeImportedOps();
|
||||
|
||||
// Setup `Deno` global - we're actually overriding already existing global
|
||||
// `Deno` with `Deno` namespace from "./deno.ts".
|
||||
ObjectDefineProperty(globalThis, "Deno", core.propReadOnly(finalDenoNs));
|
||||
deprecatedApiWarningDisabled = shouldDisableDeprecatedApiWarning;
|
||||
verboseDeprecatedApiWarning = shouldUseVerboseDeprecatedApiWarning;
|
||||
performance.setTimeOrigin(DateNow());
|
||||
globalThis_ = globalThis;
|
||||
|
||||
if (nodeBootstrap) {
|
||||
nodeBootstrap(hasNodeModulesDir, argv0, /* runningOnMainThread */ true);
|
||||
}
|
||||
// Remove bootstrapping data from the global scope
|
||||
delete globalThis.__bootstrap;
|
||||
delete globalThis.bootstrap;
|
||||
hasBootstrapped = true;
|
||||
|
||||
if (future) {
|
||||
delete globalThis.window;
|
||||
// If the `--location` flag isn't set, make `globalThis.location` `undefined` and
|
||||
// writable, so that they can mock it themselves if they like. If the flag was
|
||||
// set, define `globalThis.location`, using the provided value.
|
||||
if (location_ == null) {
|
||||
mainRuntimeGlobalProperties.location = {
|
||||
writable: true,
|
||||
};
|
||||
} else {
|
||||
location.setLocationHref(location_);
|
||||
}
|
||||
|
||||
exposeUnstableFeaturesForWindowOrWorkerGlobalScope({
|
||||
unstableFlag,
|
||||
unstableFeatures,
|
||||
});
|
||||
ObjectDefineProperties(globalThis, mainRuntimeGlobalProperties);
|
||||
ObjectDefineProperties(globalThis, {
|
||||
// TODO(bartlomieju): in the future we might want to change the
|
||||
// behavior of setting `name` to actually update the process name.
|
||||
// Empty string matches what browsers do.
|
||||
name: core.propWritable(""),
|
||||
close: core.propWritable(windowClose),
|
||||
closed: core.propGetterOnly(() => windowIsClosing),
|
||||
});
|
||||
ObjectSetPrototypeOf(globalThis, Window.prototype);
|
||||
|
||||
if (inspectFlag) {
|
||||
const consoleFromDeno = globalThis.console;
|
||||
core.wrapConsole(consoleFromDeno, core.v8Console);
|
||||
}
|
||||
|
||||
event.defineEventHandler(globalThis, "error");
|
||||
event.defineEventHandler(globalThis, "load");
|
||||
event.defineEventHandler(globalThis, "beforeunload");
|
||||
event.defineEventHandler(globalThis, "unload");
|
||||
|
||||
runtimeStart(
|
||||
denoVersion,
|
||||
v8Version,
|
||||
tsVersion,
|
||||
target,
|
||||
);
|
||||
|
||||
// TODO(bartlomieju): deprecate --unstable
|
||||
if (unstableFlag) {
|
||||
ObjectAssign(finalDenoNs, denoNsUnstable);
|
||||
// TODO(bartlomieju): this is not ideal, but because we use `ObjectAssign`
|
||||
// above any properties that are defined elsewhere using `Object.defineProperty`
|
||||
// are lost.
|
||||
let jupyterNs = undefined;
|
||||
ObjectDefineProperty(finalDenoNs, "jupyter", {
|
||||
get() {
|
||||
if (jupyterNs) {
|
||||
return jupyterNs;
|
||||
}
|
||||
throw new Error(
|
||||
"Deno.jupyter is only available in `deno jupyter` subcommand.",
|
||||
);
|
||||
},
|
||||
set(val) {
|
||||
jupyterNs = val;
|
||||
},
|
||||
});
|
||||
} else {
|
||||
for (let i = 0; i <= unstableFeatures.length; i++) {
|
||||
const id = unstableFeatures[i];
|
||||
ObjectAssign(finalDenoNs, denoNsUnstableById[id]);
|
||||
}
|
||||
}
|
||||
|
||||
if (!ArrayPrototypeIncludes(unstableFeatures, unstableIds.unsafeProto)) {
|
||||
// Removes the `__proto__` for security reasons.
|
||||
// https://tc39.es/ecma262/#sec-get-object.prototype.__proto__
|
||||
delete Object.prototype.__proto__;
|
||||
}
|
||||
|
||||
if (!ArrayPrototypeIncludes(unstableFeatures, unstableIds.temporal)) {
|
||||
// Removes the `Temporal` API.
|
||||
delete globalThis.Temporal;
|
||||
delete globalThis.Date.prototype.toTemporalInstant;
|
||||
}
|
||||
|
||||
// Setup `Deno` global - we're actually overriding already existing global
|
||||
// `Deno` with `Deno` namespace from "./deno.ts".
|
||||
ObjectDefineProperty(globalThis, "Deno", core.propReadOnly(finalDenoNs));
|
||||
|
||||
if (nodeBootstrap) {
|
||||
nodeBootstrap(hasNodeModulesDir, argv0, /* runningOnMainThread */ true);
|
||||
}
|
||||
if (future) {
|
||||
delete globalThis.window;
|
||||
}
|
||||
} else {
|
||||
// Warmup
|
||||
}
|
||||
}
|
||||
|
||||
|
|
@ -793,146 +790,153 @@ function bootstrapWorkerRuntime(
|
|||
internalName,
|
||||
workerId,
|
||||
maybeWorkerMetadata,
|
||||
warmup = false,
|
||||
) {
|
||||
if (hasBootstrapped) {
|
||||
throw new Error("Worker runtime already bootstrapped");
|
||||
}
|
||||
|
||||
const nodeBootstrap = globalThis.nodeBootstrap;
|
||||
|
||||
const {
|
||||
0: location_,
|
||||
1: unstableFlag,
|
||||
2: unstableFeatures,
|
||||
4: enableTestingFeaturesFlag,
|
||||
5: hasNodeModulesDir,
|
||||
6: argv0,
|
||||
7: shouldDisableDeprecatedApiWarning,
|
||||
8: shouldUseVerboseDeprecatedApiWarning,
|
||||
9: _future,
|
||||
} = runtimeOptions;
|
||||
|
||||
deprecatedApiWarningDisabled = shouldDisableDeprecatedApiWarning;
|
||||
verboseDeprecatedApiWarning = shouldUseVerboseDeprecatedApiWarning;
|
||||
performance.setTimeOrigin(DateNow());
|
||||
globalThis_ = globalThis;
|
||||
|
||||
removeImportedOps();
|
||||
|
||||
// Remove bootstrapping data from the global scope
|
||||
delete globalThis.__bootstrap;
|
||||
delete globalThis.bootstrap;
|
||||
delete globalThis.nodeBootstrap;
|
||||
hasBootstrapped = true;
|
||||
|
||||
exposeUnstableFeaturesForWindowOrWorkerGlobalScope({
|
||||
unstableFlag,
|
||||
unstableFeatures,
|
||||
});
|
||||
ObjectDefineProperties(globalThis, workerRuntimeGlobalProperties);
|
||||
ObjectDefineProperties(globalThis, {
|
||||
name: core.propWritable(name),
|
||||
// TODO(bartlomieju): should be readonly?
|
||||
close: core.propNonEnumerable(workerClose),
|
||||
postMessage: core.propWritable(postMessage),
|
||||
});
|
||||
if (enableTestingFeaturesFlag) {
|
||||
ObjectDefineProperty(
|
||||
globalThis,
|
||||
"importScripts",
|
||||
core.propWritable(importScripts),
|
||||
);
|
||||
}
|
||||
ObjectSetPrototypeOf(globalThis, DedicatedWorkerGlobalScope.prototype);
|
||||
|
||||
const consoleFromDeno = globalThis.console;
|
||||
core.wrapConsole(consoleFromDeno, core.v8Console);
|
||||
|
||||
event.setEventTargetData(globalThis);
|
||||
event.saveGlobalThisReference(globalThis);
|
||||
|
||||
event.defineEventHandler(self, "message");
|
||||
event.defineEventHandler(self, "error", undefined, true);
|
||||
event.defineEventHandler(self, "unhandledrejection");
|
||||
|
||||
// `Deno.exit()` is an alias to `self.close()`. Setting and exit
|
||||
// code using an op in worker context is a no-op.
|
||||
os.setExitHandler((_exitCode) => {
|
||||
workerClose();
|
||||
});
|
||||
|
||||
runtimeStart(
|
||||
denoVersion,
|
||||
v8Version,
|
||||
tsVersion,
|
||||
target,
|
||||
internalName ?? name,
|
||||
);
|
||||
|
||||
location.setLocationHref(location_);
|
||||
|
||||
globalThis.pollForMessages = pollForMessages;
|
||||
globalThis.hasMessageEventListener = hasMessageEventListener;
|
||||
|
||||
// TODO(bartlomieju): deprecate --unstable
|
||||
if (unstableFlag) {
|
||||
ObjectAssign(finalDenoNs, denoNsUnstable);
|
||||
} else {
|
||||
for (let i = 0; i <= unstableFeatures.length; i++) {
|
||||
const id = unstableFeatures[i];
|
||||
ObjectAssign(finalDenoNs, denoNsUnstableById[id]);
|
||||
if (!warmup) {
|
||||
if (hasBootstrapped) {
|
||||
throw new Error("Worker runtime already bootstrapped");
|
||||
}
|
||||
}
|
||||
|
||||
if (!ArrayPrototypeIncludes(unstableFeatures, unstableIds.unsafeProto)) {
|
||||
// Removes the `__proto__` for security reasons.
|
||||
// https://tc39.es/ecma262/#sec-get-object.prototype.__proto__
|
||||
delete Object.prototype.__proto__;
|
||||
}
|
||||
const {
|
||||
0: location_,
|
||||
1: unstableFlag,
|
||||
2: unstableFeatures,
|
||||
4: enableTestingFeaturesFlag,
|
||||
5: hasNodeModulesDir,
|
||||
6: argv0,
|
||||
7: shouldDisableDeprecatedApiWarning,
|
||||
8: shouldUseVerboseDeprecatedApiWarning,
|
||||
9: _future,
|
||||
} = runtimeOptions;
|
||||
|
||||
if (!ArrayPrototypeIncludes(unstableFeatures, unstableIds.temporal)) {
|
||||
// Removes the `Temporal` API.
|
||||
delete globalThis.Temporal;
|
||||
delete globalThis.Date.prototype.toTemporalInstant;
|
||||
}
|
||||
deprecatedApiWarningDisabled = shouldDisableDeprecatedApiWarning;
|
||||
verboseDeprecatedApiWarning = shouldUseVerboseDeprecatedApiWarning;
|
||||
performance.setTimeOrigin(DateNow());
|
||||
globalThis_ = globalThis;
|
||||
|
||||
ObjectDefineProperties(finalDenoNs, {
|
||||
pid: core.propGetterOnly(opPid),
|
||||
noColor: core.propGetterOnly(() => op_bootstrap_no_color()),
|
||||
args: core.propGetterOnly(opArgs),
|
||||
// TODO(kt3k): Remove this export at v2
|
||||
// See https://github.com/denoland/deno/issues/9294
|
||||
customInspect: {
|
||||
get() {
|
||||
warnOnDeprecatedApi(
|
||||
"Deno.customInspect",
|
||||
new Error().stack,
|
||||
'Use `Symbol.for("Deno.customInspect")` instead.',
|
||||
);
|
||||
return customInspect;
|
||||
},
|
||||
},
|
||||
});
|
||||
// Setup `Deno` global - we're actually overriding already
|
||||
// existing global `Deno` with `Deno` namespace from "./deno.ts".
|
||||
ObjectDefineProperty(globalThis, "Deno", core.propReadOnly(finalDenoNs));
|
||||
// Remove bootstrapping data from the global scope
|
||||
delete globalThis.__bootstrap;
|
||||
delete globalThis.bootstrap;
|
||||
hasBootstrapped = true;
|
||||
|
||||
const workerMetadata = maybeWorkerMetadata
|
||||
? messagePort.deserializeJsMessageData(maybeWorkerMetadata)
|
||||
: undefined;
|
||||
exposeUnstableFeaturesForWindowOrWorkerGlobalScope({
|
||||
unstableFlag,
|
||||
unstableFeatures,
|
||||
});
|
||||
ObjectDefineProperties(globalThis, workerRuntimeGlobalProperties);
|
||||
ObjectDefineProperties(globalThis, {
|
||||
name: core.propWritable(name),
|
||||
// TODO(bartlomieju): should be readonly?
|
||||
close: core.propNonEnumerable(workerClose),
|
||||
postMessage: core.propWritable(postMessage),
|
||||
});
|
||||
if (enableTestingFeaturesFlag) {
|
||||
ObjectDefineProperty(
|
||||
globalThis,
|
||||
"importScripts",
|
||||
core.propWritable(importScripts),
|
||||
);
|
||||
}
|
||||
ObjectSetPrototypeOf(globalThis, DedicatedWorkerGlobalScope.prototype);
|
||||
|
||||
if (nodeBootstrap) {
|
||||
nodeBootstrap(
|
||||
hasNodeModulesDir,
|
||||
argv0,
|
||||
/* runningOnMainThread */ false,
|
||||
workerId,
|
||||
workerMetadata,
|
||||
const consoleFromDeno = globalThis.console;
|
||||
core.wrapConsole(consoleFromDeno, core.v8Console);
|
||||
|
||||
event.defineEventHandler(self, "message");
|
||||
event.defineEventHandler(self, "error", undefined, true);
|
||||
|
||||
// `Deno.exit()` is an alias to `self.close()`. Setting and exit
|
||||
// code using an op in worker context is a no-op.
|
||||
os.setExitHandler((_exitCode) => {
|
||||
workerClose();
|
||||
});
|
||||
|
||||
runtimeStart(
|
||||
denoVersion,
|
||||
v8Version,
|
||||
tsVersion,
|
||||
target,
|
||||
internalName ?? name,
|
||||
);
|
||||
|
||||
location.setLocationHref(location_);
|
||||
|
||||
globalThis.pollForMessages = pollForMessages;
|
||||
globalThis.hasMessageEventListener = hasMessageEventListener;
|
||||
|
||||
// TODO(bartlomieju): deprecate --unstable
|
||||
if (unstableFlag) {
|
||||
ObjectAssign(finalDenoNs, denoNsUnstable);
|
||||
} else {
|
||||
for (let i = 0; i <= unstableFeatures.length; i++) {
|
||||
const id = unstableFeatures[i];
|
||||
ObjectAssign(finalDenoNs, denoNsUnstableById[id]);
|
||||
}
|
||||
}
|
||||
|
||||
// Not available in workers
|
||||
delete finalDenoNs.mainModule;
|
||||
|
||||
if (!ArrayPrototypeIncludes(unstableFeatures, unstableIds.unsafeProto)) {
|
||||
// Removes the `__proto__` for security reasons.
|
||||
// https://tc39.es/ecma262/#sec-get-object.prototype.__proto__
|
||||
delete Object.prototype.__proto__;
|
||||
}
|
||||
|
||||
if (!ArrayPrototypeIncludes(unstableFeatures, unstableIds.temporal)) {
|
||||
// Removes the `Temporal` API.
|
||||
delete globalThis.Temporal;
|
||||
delete globalThis.Date.prototype.toTemporalInstant;
|
||||
}
|
||||
|
||||
// Setup `Deno` global - we're actually overriding already existing global
|
||||
// `Deno` with `Deno` namespace from "./deno.ts".
|
||||
ObjectDefineProperty(globalThis, "Deno", core.propReadOnly(finalDenoNs));
|
||||
|
||||
const workerMetadata = maybeWorkerMetadata
|
||||
? messagePort.deserializeJsMessageData(maybeWorkerMetadata)
|
||||
: undefined;
|
||||
|
||||
if (nodeBootstrap) {
|
||||
nodeBootstrap(
|
||||
hasNodeModulesDir,
|
||||
argv0,
|
||||
/* runningOnMainThread */ false,
|
||||
workerId,
|
||||
workerMetadata,
|
||||
);
|
||||
}
|
||||
} else {
|
||||
// Warmup
|
||||
return;
|
||||
}
|
||||
}
|
||||
|
||||
const nodeBootstrap = globalThis.nodeBootstrap;
|
||||
delete globalThis.nodeBootstrap;
|
||||
|
||||
globalThis.bootstrap = {
|
||||
mainRuntime: bootstrapMainRuntime,
|
||||
workerRuntime: bootstrapWorkerRuntime,
|
||||
};
|
||||
|
||||
event.setEventTargetData(globalThis);
|
||||
event.saveGlobalThisReference(globalThis);
|
||||
event.defineEventHandler(globalThis, "unhandledrejection");
|
||||
|
||||
// Nothing listens to this, but it warms up the code paths for event dispatch
|
||||
(new event.EventTarget()).dispatchEvent(new Event("warmup"));
|
||||
|
||||
removeImportedOps();
|
||||
|
||||
// Run the warmup path through node and runtime/worker bootstrap functions
|
||||
bootstrapMainRuntime(undefined, true);
|
||||
bootstrapWorkerRuntime(
|
||||
undefined,
|
||||
undefined,
|
||||
undefined,
|
||||
undefined,
|
||||
undefined,
|
||||
true,
|
||||
);
|
||||
nodeBootstrap(undefined, undefined, undefined, undefined, undefined, true);
|
||||
|
|
|
|||
Loading…
Reference in a new issue