// Copyright 2018-2024 the Deno authors. All rights reserved. MIT license. // Remove Intl.v8BreakIterator because it is a non-standard API. delete Intl.v8BreakIterator; import { core, internals, primordials } from "ext:core/mod.js"; const ops = core.ops; import { op_bootstrap_args, op_bootstrap_is_tty, op_bootstrap_no_color, op_bootstrap_pid, op_main_module, op_ppid, op_set_format_exception_callback, op_snapshot_options, op_worker_close, op_worker_get_type, op_worker_post_message, op_worker_recv_message, op_worker_sync_fetch, } from "ext:core/ops"; const { ArrayPrototypeFilter, ArrayPrototypeIncludes, ArrayPrototypeMap, ArrayPrototypePop, ArrayPrototypeShift, DateNow, Error, ErrorPrototype, FunctionPrototypeBind, FunctionPrototypeCall, ObjectAssign, ObjectDefineProperties, ObjectDefineProperty, ObjectKeys, ObjectPrototypeIsPrototypeOf, ObjectSetPrototypeOf, ObjectValues, PromisePrototypeThen, PromiseResolve, SafeSet, StringPrototypeIncludes, StringPrototypeSplit, StringPrototypeTrim, Symbol, SymbolIterator, TypeError, } = primordials; const { isNativeError, } = core; import * as event from "ext:deno_web/02_event.js"; import * as location from "ext:deno_web/12_location.js"; import * as version from "ext:runtime/01_version.ts"; import * as os from "ext:runtime/30_os.js"; import * as timers from "ext:deno_web/02_timers.js"; import { customInspect, getDefaultInspectOptions, getNoColor, inspectArgs, quoteString, setNoColorFn, } from "ext:deno_console/01_console.js"; import * as performance from "ext:deno_web/15_performance.js"; import * as url from "ext:deno_url/00_url.js"; import * as fetch from "ext:deno_fetch/26_fetch.js"; import * as messagePort from "ext:deno_web/13_message_port.js"; import { denoNs, denoNsUnstable, denoNsUnstableById, unstableIds, } from "ext:runtime/90_deno_ns.js"; import { errors } from "ext:runtime/01_errors.js"; import * as webidl from "ext:deno_webidl/00_webidl.js"; import { DOMException } from "ext:deno_web/01_dom_exception.js"; import { unstableForWindowOrWorkerGlobalScope, windowOrWorkerGlobalScope, } from "ext:runtime/98_global_scope_shared.js"; import { mainRuntimeGlobalProperties, memoizeLazy, } from "ext:runtime/98_global_scope_window.js"; import { workerRuntimeGlobalProperties, } from "ext:runtime/98_global_scope_worker.js"; import { SymbolAsyncDispose, SymbolDispose, SymbolMetadata, } from "ext:deno_web/00_infra.js"; // deno-lint-ignore prefer-primordials if (Symbol.dispose) throw "V8 supports Symbol.dispose now, no need to shim it!"; // deno-lint-ignore prefer-primordials if (Symbol.asyncDispose) { throw "V8 supports Symbol.asyncDispose now, no need to shim it!"; } // deno-lint-ignore prefer-primordials if (Symbol.metadata) { throw "V8 supports Symbol.metadata now, no need to shim it!"; } ObjectDefineProperties(Symbol, { dispose: { value: SymbolDispose, enumerable: false, writable: false, configurable: false, }, asyncDispose: { value: SymbolAsyncDispose, enumerable: false, writable: false, configurable: false, }, metadata: { value: SymbolMetadata, enumerable: false, writable: false, configurable: false, }, }); let windowIsClosing = false; let globalThis_; let verboseDeprecatedApiWarning = false; let deprecatedApiWarningDisabled = false; const ALREADY_WARNED_DEPRECATED = new SafeSet(); function warnOnDeprecatedApi(apiName, stack, ...suggestions) { if (deprecatedApiWarningDisabled) { return; } if (!verboseDeprecatedApiWarning) { if (ALREADY_WARNED_DEPRECATED.has(apiName)) { return; } ALREADY_WARNED_DEPRECATED.add(apiName); console.error( `%cwarning: %cUse of deprecated "${apiName}" API. This API will be removed in Deno 2. Run again with DENO_VERBOSE_WARNINGS=1 to get more details.`, "color: yellow;", "font-weight: bold;", ); return; } if (ALREADY_WARNED_DEPRECATED.has(apiName + stack)) { return; } // If we haven't warned yet, let's do some processing of the stack trace // to make it more useful. const stackLines = StringPrototypeSplit(stack, "\n"); ArrayPrototypeShift(stackLines); while (stackLines.length > 0) { // Filter out internal frames at the top of the stack - they are not useful // to the user. if ( StringPrototypeIncludes(stackLines[0], "(ext:") || StringPrototypeIncludes(stackLines[0], "(node:") || StringPrototypeIncludes(stackLines[0], "") ) { ArrayPrototypeShift(stackLines); } else { break; } } // Now remove the last frame if it's coming from "ext:core" - this is most likely // event loop tick or promise handler calling a user function - again not // useful to the user. if ( stackLines.length > 0 && StringPrototypeIncludes(stackLines[stackLines.length - 1], "(ext:core/") ) { ArrayPrototypePop(stackLines); } let isFromRemoteDependency = false; const firstStackLine = stackLines[0]; if (firstStackLine && !StringPrototypeIncludes(firstStackLine, "file:")) { isFromRemoteDependency = true; } ALREADY_WARNED_DEPRECATED.add(apiName + stack); console.error( `%cwarning: %cUse of deprecated "${apiName}" API. This API will be removed in Deno 2.`, "color: yellow;", "font-weight: bold;", ); console.error(); console.error( "See the Deno 1 to 2 Migration Guide for more information at https://docs.deno.com/runtime/manual/advanced/migrate_deprecations", ); console.error(); if (stackLines.length > 0) { console.error("Stack trace:"); for (let i = 0; i < stackLines.length; i++) { console.error(` ${StringPrototypeTrim(stackLines[i])}`); } console.error(); } for (let i = 0; i < suggestions.length; i++) { const suggestion = suggestions[i]; console.error( `%chint: ${suggestion}`, "font-weight: bold;", ); } if (isFromRemoteDependency) { console.error( `%chint: It appears this API is used by a remote dependency. Try upgrading to the latest version of that dependency.`, "font-weight: bold;", ); } console.error(); } function windowClose() { if (!windowIsClosing) { windowIsClosing = true; // Push a macrotask to exit after a promise resolve. // This is not perfect, but should be fine for first pass. PromisePrototypeThen( PromiseResolve(), () => FunctionPrototypeCall(timers.setTimeout, null, () => { // This should be fine, since only Window/MainWorker has .close() os.exit(0); }, 0), ); } } function workerClose() { if (isClosing) { return; } isClosing = true; op_worker_close(); } function postMessage(message, transferOrOptions = {}) { const prefix = "Failed to execute 'postMessage' on 'DedicatedWorkerGlobalScope'"; webidl.requiredArguments(arguments.length, 1, prefix); message = webidl.converters.any(message); let options; if ( webidl.type(transferOrOptions) === "Object" && transferOrOptions !== undefined && transferOrOptions[SymbolIterator] !== undefined ) { const transfer = webidl.converters["sequence"]( transferOrOptions, prefix, "Argument 2", ); options = { transfer }; } else { options = webidl.converters.StructuredSerializeOptions( transferOrOptions, prefix, "Argument 2", ); } const { transfer } = options; const data = messagePort.serializeJsMessageData(message, transfer); op_worker_post_message(data); } let isClosing = false; let globalDispatchEvent; function hasMessageEventListener() { return event.listenerCount(globalThis, "message") > 0; } async function pollForMessages() { if (!globalDispatchEvent) { globalDispatchEvent = FunctionPrototypeBind( globalThis.dispatchEvent, globalThis, ); } while (!isClosing) { const data = await op_worker_recv_message(); if (data === null) break; const v = messagePort.deserializeJsMessageData(data); const message = v[0]; const transferables = v[1]; const msgEvent = new event.MessageEvent("message", { cancelable: false, data: message, ports: ArrayPrototypeFilter( transferables, (t) => ObjectPrototypeIsPrototypeOf(messagePort.MessagePortPrototype, t), ), }); event.setIsTrusted(msgEvent, true); try { globalDispatchEvent(msgEvent); } catch (e) { const errorEvent = new event.ErrorEvent("error", { cancelable: true, message: e.message, lineno: e.lineNumber ? e.lineNumber + 1 : undefined, colno: e.columnNumber ? e.columnNumber + 1 : undefined, filename: e.fileName, error: e, }); event.setIsTrusted(errorEvent, true); globalDispatchEvent(errorEvent); if (!errorEvent.defaultPrevented) { throw e; } } } } let loadedMainWorkerScript = false; function importScripts(...urls) { if (op_worker_get_type() === "module") { throw new TypeError("Can't import scripts in a module worker."); } const baseUrl = location.getLocationHref(); const parsedUrls = ArrayPrototypeMap(urls, (scriptUrl) => { try { return new url.URL(scriptUrl, baseUrl ?? undefined).href; } catch { throw new DOMException( "Failed to parse URL.", "SyntaxError", ); } }); // A classic worker's main script has looser MIME type checks than any // imported scripts, so we use `loadedMainWorkerScript` to distinguish them. // TODO(andreubotella) Refactor worker creation so the main script isn't // loaded with `importScripts()`. const scripts = op_worker_sync_fetch( parsedUrls, !loadedMainWorkerScript, ); loadedMainWorkerScript = true; for (let i = 0; i < scripts.length; ++i) { const { url, script } = scripts[i]; const err = core.evalContext(script, url)[1]; if (err !== null) { throw err.thrown; } } } const opArgs = memoizeLazy(() => op_bootstrap_args()); const opPid = memoizeLazy(() => op_bootstrap_pid()); setNoColorFn(() => op_bootstrap_no_color() || !op_bootstrap_is_tty()); function formatException(error) { if ( isNativeError(error) || ObjectPrototypeIsPrototypeOf(ErrorPrototype, error) ) { return null; } else if (typeof error == "string") { return `Uncaught ${ inspectArgs([quoteString(error, getDefaultInspectOptions())], { colors: !getNoColor(), }) }`; } else { return `Uncaught ${inspectArgs([error], { colors: !getNoColor() })}`; } } core.registerErrorClass("NotFound", errors.NotFound); core.registerErrorClass("PermissionDenied", errors.PermissionDenied); core.registerErrorClass("ConnectionRefused", errors.ConnectionRefused); core.registerErrorClass("ConnectionReset", errors.ConnectionReset); core.registerErrorClass("ConnectionAborted", errors.ConnectionAborted); core.registerErrorClass("NotConnected", errors.NotConnected); core.registerErrorClass("AddrInUse", errors.AddrInUse); core.registerErrorClass("AddrNotAvailable", errors.AddrNotAvailable); core.registerErrorClass("BrokenPipe", errors.BrokenPipe); core.registerErrorClass("AlreadyExists", errors.AlreadyExists); core.registerErrorClass("InvalidData", errors.InvalidData); core.registerErrorClass("TimedOut", errors.TimedOut); core.registerErrorClass("WouldBlock", errors.WouldBlock); core.registerErrorClass("WriteZero", errors.WriteZero); core.registerErrorClass("UnexpectedEof", errors.UnexpectedEof); core.registerErrorClass("Http", errors.Http); core.registerErrorClass("Busy", errors.Busy); core.registerErrorClass("NotSupported", errors.NotSupported); core.registerErrorClass("FilesystemLoop", errors.FilesystemLoop); core.registerErrorClass("IsADirectory", errors.IsADirectory); core.registerErrorClass("NetworkUnreachable", errors.NetworkUnreachable); core.registerErrorClass("NotADirectory", errors.NotADirectory); core.registerErrorBuilder( "DOMExceptionOperationError", function DOMExceptionOperationError(msg) { return new DOMException(msg, "OperationError"); }, ); core.registerErrorBuilder( "DOMExceptionQuotaExceededError", function DOMExceptionQuotaExceededError(msg) { return new DOMException(msg, "QuotaExceededError"); }, ); core.registerErrorBuilder( "DOMExceptionNotSupportedError", function DOMExceptionNotSupportedError(msg) { return new DOMException(msg, "NotSupported"); }, ); core.registerErrorBuilder( "DOMExceptionNetworkError", function DOMExceptionNetworkError(msg) { return new DOMException(msg, "NetworkError"); }, ); core.registerErrorBuilder( "DOMExceptionAbortError", function DOMExceptionAbortError(msg) { return new DOMException(msg, "AbortError"); }, ); core.registerErrorBuilder( "DOMExceptionInvalidCharacterError", function DOMExceptionInvalidCharacterError(msg) { return new DOMException(msg, "InvalidCharacterError"); }, ); core.registerErrorBuilder( "DOMExceptionDataError", function DOMExceptionDataError(msg) { return new DOMException(msg, "DataError"); }, ); function runtimeStart( denoVersion, v8Version, tsVersion, target, ) { core.setWasmStreamingCallback(fetch.handleWasmStreaming); core.setReportExceptionCallback(event.reportException); op_set_format_exception_callback(formatException); version.setVersions( denoVersion, v8Version, tsVersion, ); core.setBuildInfo(target); } core.setUnhandledPromiseRejectionHandler(processUnhandledPromiseRejection); core.setHandledPromiseRejectionHandler(processRejectionHandled); // Notification that the core received an unhandled promise rejection that is about to // terminate the runtime. If we can handle it, attempt to do so. function processUnhandledPromiseRejection(promise, reason) { const rejectionEvent = new event.PromiseRejectionEvent( "unhandledrejection", { cancelable: true, promise, reason, }, ); // Note that the handler may throw, causing a recursive "error" event globalThis_.dispatchEvent(rejectionEvent); // If event was not yet prevented, try handing it off to Node compat layer // (if it was initialized) if ( !rejectionEvent.defaultPrevented && typeof internals.nodeProcessUnhandledRejectionCallback !== "undefined" ) { internals.nodeProcessUnhandledRejectionCallback(rejectionEvent); } // If event was not prevented (or "unhandledrejection" listeners didn't // throw) we will let Rust side handle it. if (rejectionEvent.defaultPrevented) { return true; } return false; } function processRejectionHandled(promise, reason) { const rejectionHandledEvent = new event.PromiseRejectionEvent( "rejectionhandled", { promise, reason }, ); // Note that the handler may throw, causing a recursive "error" event globalThis_.dispatchEvent(rejectionHandledEvent); if (typeof internals.nodeProcessRejectionHandledCallback !== "undefined") { internals.nodeProcessRejectionHandledCallback(rejectionHandledEvent); } } let hasBootstrapped = false; // Delete the `console` object that V8 automaticaly adds onto the global wrapper // object on context creation. We don't want this console object to shadow the // `console` object exposed by the ext/node globalThis proxy. delete globalThis.console; // Set up global properties shared by main and worker runtime. ObjectDefineProperties(globalThis, windowOrWorkerGlobalScope); // Set up global properties shared by main and worker runtime that are exposed // by unstable features if those are enabled. function exposeUnstableFeaturesForWindowOrWorkerGlobalScope(options) { const { unstableFlag, unstableFeatures } = options; if (unstableFlag) { const all = ObjectValues(unstableForWindowOrWorkerGlobalScope); for (let i = 0; i <= all.length; i++) { const props = all[i]; ObjectDefineProperties(globalThis, { ...props }); } } else { const featureIds = ArrayPrototypeMap( ObjectKeys( unstableForWindowOrWorkerGlobalScope, ), (k) => k | 0, ); for (let i = 0; i <= featureIds.length; i++) { const featureId = featureIds[i]; if (ArrayPrototypeIncludes(unstableFeatures, featureId)) { const props = unstableForWindowOrWorkerGlobalScope[featureId]; ObjectDefineProperties(globalThis, { ...props }); } } } } // NOTE(bartlomieju): remove all the ops that have already been imported using // "virtual op module" (`ext:core/ops`). const NOT_IMPORTED_OPS = [ // Related to `Deno.bench()` API "op_bench_now", "op_dispatch_bench_event", "op_register_bench", "op_bench_get_origin", // Related to `Deno.jupyter` API "op_jupyter_broadcast", // Related to `Deno.test()` API "op_test_event_step_result_failed", "op_test_event_step_result_ignored", "op_test_event_step_result_ok", "op_test_event_step_wait", "op_test_op_sanitizer_collect", "op_test_op_sanitizer_finish", "op_test_op_sanitizer_get_async_message", "op_test_op_sanitizer_report", "op_restore_test_permissions", "op_register_test_step", "op_register_test", "op_test_get_origin", "op_pledge_test_permissions", // TODO(bartlomieju): used in various integration tests - figure out a way // to not depend on them. "op_set_exit_code", "op_napi_open", "op_npm_process_state", ]; function removeImportedOps() { const allOpNames = ObjectKeys(ops); for (let i = 0; i < allOpNames.length; i++) { const opName = allOpNames[i]; if (!ArrayPrototypeIncludes(NOT_IMPORTED_OPS, opName)) { delete ops[opName]; } } } // FIXME(bartlomieju): temporarily add whole `Deno.core` to // `Deno[Deno.internal]` namespace. It should be removed and only necessary // methods should be left there. ObjectAssign(internals, { core, warnOnDeprecatedApi }); const internalSymbol = Symbol("Deno.internal"); const finalDenoNs = { internal: internalSymbol, [internalSymbol]: internals, resources() { internals.warnOnDeprecatedApi("Deno.resources()", new Error().stack); return core.resources(); }, close(rid) { internals.warnOnDeprecatedApi( "Deno.close()", new Error().stack, "Use `closer.close()` instead.", ); core.close(rid); }, ...denoNs, // Deno.test and Deno.bench are noops here, but kept for compatibility; so // that they don't cause errors when used outside of `deno test`/`deno bench` // contexts. test: () => {}, bench: () => {}, }; ObjectDefineProperties(finalDenoNs, { pid: core.propGetterOnly(opPid), // `ppid` should not be memoized. // https://github.com/denoland/deno/issues/23004 ppid: core.propGetterOnly(() => op_ppid()), noColor: core.propGetterOnly(() => op_bootstrap_no_color()), args: core.propGetterOnly(opArgs), mainModule: core.propGetterOnly(() => op_main_module()), // 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; }, }, }); const { denoVersion, tsVersion, v8Version, target, } = op_snapshot_options(); function bootstrapMainRuntime(runtimeOptions, warmup = false) { if (!warmup) { if (hasBootstrapped) { throw new Error("Worker runtime already bootstrapped"); } const { 0: location_, 1: unstableFlag, 2: unstableFeatures, 3: inspectFlag, 5: hasNodeModulesDir, 6: argv0, 7: shouldDisableDeprecatedApiWarning, 8: shouldUseVerboseDeprecatedApiWarning, 9: future, } = runtimeOptions; removeImportedOps(); deprecatedApiWarningDisabled = shouldDisableDeprecatedApiWarning; verboseDeprecatedApiWarning = shouldUseVerboseDeprecatedApiWarning; performance.setTimeOrigin(DateNow()); globalThis_ = globalThis; // Remove bootstrapping data from the global scope delete globalThis.__bootstrap; delete globalThis.bootstrap; hasBootstrapped = true; // 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 } } function bootstrapWorkerRuntime( runtimeOptions, name, internalName, workerId, maybeWorkerMetadata, warmup = false, ) { if (!warmup) { if (hasBootstrapped) { throw new Error("Worker runtime already bootstrapped"); } 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; // Remove bootstrapping data from the global scope delete globalThis.__bootstrap; delete globalThis.bootstrap; 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.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);