// 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 * as internalConsole from "ext:deno_console/01_console.js"; import { core, internals, primordials } from "ext:core/mod.js"; const ops = core.ops; import { op_bootstrap_args, op_bootstrap_is_stderr_tty, op_bootstrap_is_stdout_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, ArrayPrototypeForEach, ArrayPrototypeIncludes, ArrayPrototypeMap, Error, ErrorPrototype, FunctionPrototypeBind, FunctionPrototypeCall, ObjectAssign, ObjectDefineProperties, ObjectDefineProperty, ObjectHasOwn, ObjectKeys, ObjectGetOwnPropertyDescriptor, ObjectPrototypeIsPrototypeOf, ObjectSetPrototypeOf, PromisePrototypeThen, PromiseResolve, StringPrototypePadEnd, Symbol, SymbolIterator, TypeError, } = primordials; const { isNativeError, } = core; import { registerDeclarativeServer } from "ext:deno_http/00_serve.ts"; 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 { getDefaultInspectOptions, getStderrNoColor, inspectArgs, quoteString, setNoColorFns, } 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, 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 { SymbolDispose, SymbolMetadata } from "ext:deno_web/00_infra.js"; import { bootstrap as bootstrapOtel } from "ext:runtime/telemetry.js"; // deno-lint-ignore prefer-primordials if (Symbol.metadata) { throw "V8 supports Symbol.metadata now, no need to shim it"; } ObjectDefineProperties(Symbol, { dispose: { __proto__: null, value: SymbolDispose, enumerable: false, writable: false, configurable: false, }, metadata: { __proto__: null, value: SymbolMetadata, enumerable: false, writable: false, configurable: false, }, }); let windowIsClosing = false; let globalThis_; 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 = { __proto__: null }) { 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() { // the function name is kind of a misnomer, but we want to behave // as if we have message event listeners if a node message port is explicitly // refed (and the inverse as well) return event.listenerCount(globalThis, "message") > 0 || messagePort.refedMessagePortsCount > 0; } async function pollForMessages() { if (!globalDispatchEvent) { globalDispatchEvent = FunctionPrototypeBind( globalThis.dispatchEvent, globalThis, ); } while (!isClosing) { const recvMessage = op_worker_recv_message(); if (globalThis[messagePort.unrefPollForMessages] === true) { core.unrefOpPromise(recvMessage); } const data = await recvMessage; // 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("Cannot 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: ${scriptUrl}`, "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()); setNoColorFns( () => op_bootstrap_no_color() || !op_bootstrap_is_stdout_tty(), () => op_bootstrap_no_color() || !op_bootstrap_is_stderr_tty(), ); function formatException(error) { if ( isNativeError(error) || ObjectPrototypeIsPrototypeOf(ErrorPrototype, error) ) { return null; } else if (typeof error == "string") { return `Uncaught ${ inspectArgs([quoteString(error, getDefaultInspectOptions())], { colors: !getStderrNoColor(), }) }`; } else { return `Uncaught ${inspectArgs([error], { colors: !getStderrNoColor() })}`; } } core.registerErrorClass("NotFound", errors.NotFound); 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("PermissionDenied", errors.PermissionDenied); 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); } } function dispatchLoadEvent() { globalThis_.dispatchEvent(new Event("load")); } function dispatchBeforeUnloadEvent() { return globalThis_.dispatchEvent( new Event("beforeunload", { cancelable: true }), ); } function dispatchUnloadEvent() { globalThis_.dispatchEvent(new Event("unload")); } let hasBootstrapped = false; // 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(unstableFeatures) { 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", "op_jupyter_input", // Used in jupyter API "op_base64_encode", // 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", ]; 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 }); const internalSymbol = Symbol("Deno.internal"); const finalDenoNs = { internal: internalSymbol, [internalSymbol]: internals, ...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()), exitCode: { __proto__: null, get() { return os.getExitCode(); }, set(value) { os.setExitCode(value); }, }, }); const { tsVersion, v8Version, target, } = op_snapshot_options(); const executionModes = { none: 0, worker: 1, run: 2, repl: 3, eval: 4, test: 5, bench: 6, serve: 7, jupyter: 8, }; function bootstrapMainRuntime(runtimeOptions, warmup = false) { if (!warmup) { if (hasBootstrapped) { throw new Error("Worker runtime already bootstrapped"); } const { 0: denoVersion, 1: location_, 2: unstableFeatures, 3: inspectFlag, 5: hasNodeModulesDir, 6: argv0, 7: nodeDebug, 8: mode, 9: servePort, 10: serveHost, 11: serveIsMain, 12: serveWorkerCount, 13: otelConfig, } = runtimeOptions; if (mode === executionModes.serve) { if (serveIsMain && serveWorkerCount) { // deno-lint-ignore no-global-assign console = new internalConsole.Console((msg, level) => core.print("[serve-worker-0 ] " + msg, level > 1) ); } else if (serveWorkerCount !== null) { const base = `serve-worker-${serveWorkerCount + 1}`; // 15 = "serve-worker-nn".length, assuming // serveWorkerCount < 100 const prefix = `[${StringPrototypePadEnd(base, 15, " ")}]`; // deno-lint-ignore no-global-assign console = new internalConsole.Console((msg, level) => core.print(`${prefix} ` + msg, level > 1) ); } } if (mode === executionModes.run || mode === executionModes.serve) { let serve = undefined; core.addMainModuleHandler((main) => { if (ObjectHasOwn(main, "default")) { try { serve = registerDeclarativeServer(main.default); } catch (e) { if (mode === executionModes.serve) { throw e; } } } if (mode === executionModes.serve && !serve) { if (serveIsMain) { // Only error if main worker // deno-lint-ignore no-console console.error( `%cerror: %cdeno serve requires %cexport default { fetch }%c in the main module, did you mean to run \"deno run\"?`, "color: yellow;", "color: inherit;", "font-weight: bold;", "font-weight: normal;", ); } return; } if (serve) { if (mode === executionModes.run) { // deno-lint-ignore no-console console.error( `%cwarning: %cDetected %cexport default { fetch }%c, did you mean to run \"deno serve\"?`, "color: yellow;", "color: inherit;", "font-weight: bold;", "font-weight: normal;", ); } if (mode === executionModes.serve) { serve({ servePort, serveHost, serveIsMain, serveWorkerCount }); } } }); } removeImportedOps(); performance.setTimeOrigin(); 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, configurable: true, }; } else { location.setLocationHref(location_); } exposeUnstableFeaturesForWindowOrWorkerGlobalScope(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); bootstrapOtel(otelConfig); if (inspectFlag) { core.wrapConsole(globalThis.console, 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): 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", { __proto__: null, get() { if (jupyterNs) { return jupyterNs; } throw new Error( "Deno.jupyter is only available in `deno jupyter` subcommand", ); }, set(val) { jupyterNs = val; }, }); 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; } else { // Removes the obsoleted `Temporal` API. // https://github.com/tc39/proposal-temporal/pull/2895 // https://github.com/tc39/proposal-temporal/pull/2914 // https://github.com/tc39/proposal-temporal/pull/2925 if (typeof globalThis.Temporal.Instant.fromEpochSeconds === "undefined") { throw "V8 removes obsoleted Temporal API now, no need to delete them"; } delete globalThis.Temporal.Instant.fromEpochSeconds; delete globalThis.Temporal.Instant.fromEpochMicroseconds; delete globalThis.Temporal.Instant.prototype.epochSeconds; delete globalThis.Temporal.Instant.prototype.epochMicroseconds; delete globalThis.Temporal.Instant.prototype.toZonedDateTime; delete globalThis.Temporal.PlainDate.prototype.getISOFiels; // weird delete globalThis.Temporal.PlainDate.prototype.getISOFields; delete globalThis.Temporal.PlainDateTime.prototype.withPlainDate; delete globalThis.Temporal.PlainDateTime.prototype.toPlainYearMonth; delete globalThis.Temporal.PlainDateTime.prototype.toPlainMonthDay; delete globalThis.Temporal.PlainDateTime.prototype.getISOFields; delete globalThis.Temporal.PlainMonthDay.prototype.getISOFields; delete globalThis.Temporal.PlainTime.prototype.calendar; delete globalThis.Temporal.PlainTime.prototype.toPlainDateTime; delete globalThis.Temporal.PlainTime.prototype.toZonedDateTime; delete globalThis.Temporal.PlainTime.prototype.getISOFields; delete globalThis.Temporal.PlainYearMonth.prototype.getISOFields; delete globalThis.Temporal.ZonedDateTime.prototype.epochSeconds; delete globalThis.Temporal.ZonedDateTime.prototype.epochMicroseconds; delete globalThis.Temporal.ZonedDateTime.prototype.withPlainDate; delete globalThis.Temporal.ZonedDateTime.prototype.toPlainYearMonth; delete globalThis.Temporal.ZonedDateTime.prototype.toPlainMonthDay; delete globalThis.Temporal.ZonedDateTime.prototype.getISOFields; delete globalThis.Temporal.Now.zonedDateTime; delete globalThis.Temporal.Now.plainDateTime; delete globalThis.Temporal.Now.plainDate; delete globalThis.Temporal.Calendar; delete globalThis.Temporal.TimeZone; // Modify `Temporal.Calendar` to calendarId string ArrayPrototypeForEach([ globalThis.Temporal.PlainDate, globalThis.Temporal.PlainDateTime, globalThis.Temporal.PlainMonthDay, globalThis.Temporal.PlainYearMonth, globalThis.Temporal.ZonedDateTime, ], (target) => { const getCalendar = ObjectGetOwnPropertyDescriptor(target.prototype, "calendar").get; ObjectDefineProperty(target.prototype, "calendarId", { __proto__: null, get: function calendarId() { return FunctionPrototypeCall(getCalendar, this).id; }, enumerable: false, configurable: true, }); delete target.prototype.calendar; }); // Modify `Temporal.TimeZone` to timeZoneId string { const getTimeZone = ObjectGetOwnPropertyDescriptor( globalThis.Temporal.ZonedDateTime.prototype, "timeZone", ).get; ObjectDefineProperty( globalThis.Temporal.ZonedDateTime.prototype, "timeZoneId", { __proto__: null, get: function timeZoneId() { return FunctionPrototypeCall(getTimeZone, this).id; }, enumerable: false, configurable: true, }, ); delete globalThis.Temporal.ZonedDateTime.prototype.timeZone; } { const nowTimeZone = globalThis.Temporal.Now.timeZone; ObjectDefineProperty(globalThis.Temporal.Now, "timeZoneId", { __proto__: null, value: function timeZoneId() { return nowTimeZone().id; }, writable: true, enumerable: false, configurable: true, }); delete globalThis.Temporal.Now.timeZone; } } // 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({ usesLocalNodeModulesDir: hasNodeModulesDir, runningOnMainThread: true, argv0, nodeDebug, }); } } else { // Warmup } } function bootstrapWorkerRuntime( runtimeOptions, name, internalName, workerId, maybeWorkerMetadata, warmup = false, ) { if (!warmup) { if (hasBootstrapped) { throw new Error("Worker runtime already bootstrapped"); } const { 0: denoVersion, 1: location_, 2: unstableFeatures, 4: enableTestingFeaturesFlag, 5: hasNodeModulesDir, 6: argv0, 7: nodeDebug, 13: otelConfig, } = runtimeOptions; performance.setTimeOrigin(); globalThis_ = globalThis; // Remove bootstrapping data from the global scope delete globalThis.__bootstrap; delete globalThis.bootstrap; hasBootstrapped = true; exposeUnstableFeaturesForWindowOrWorkerGlobalScope(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); bootstrapOtel(otelConfig); core.wrapConsole(globalThis.console, 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; 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; } else { // Removes the obsoleted `Temporal` API. // https://github.com/tc39/proposal-temporal/pull/2895 // https://github.com/tc39/proposal-temporal/pull/2914 // https://github.com/tc39/proposal-temporal/pull/2925 if (typeof globalThis.Temporal.Instant.fromEpochSeconds === "undefined") { throw "V8 removes obsoleted Temporal API now, no need to delete them"; } delete globalThis.Temporal.Instant.fromEpochSeconds; delete globalThis.Temporal.Instant.fromEpochMicroseconds; delete globalThis.Temporal.Instant.prototype.epochSeconds; delete globalThis.Temporal.Instant.prototype.epochMicroseconds; delete globalThis.Temporal.Instant.prototype.toZonedDateTime; delete globalThis.Temporal.PlainDate.prototype.getISOFiels; // weird delete globalThis.Temporal.PlainDate.prototype.getISOFields; delete globalThis.Temporal.PlainDateTime.prototype.withPlainDate; delete globalThis.Temporal.PlainDateTime.prototype.toPlainYearMonth; delete globalThis.Temporal.PlainDateTime.prototype.toPlainMonthDay; delete globalThis.Temporal.PlainDateTime.prototype.getISOFields; delete globalThis.Temporal.PlainMonthDay.prototype.getISOFields; delete globalThis.Temporal.PlainTime.prototype.calendar; delete globalThis.Temporal.PlainTime.prototype.toPlainDateTime; delete globalThis.Temporal.PlainTime.prototype.toZonedDateTime; delete globalThis.Temporal.PlainTime.prototype.getISOFields; delete globalThis.Temporal.PlainYearMonth.prototype.getISOFields; delete globalThis.Temporal.ZonedDateTime.prototype.epochSeconds; delete globalThis.Temporal.ZonedDateTime.prototype.epochMicroseconds; delete globalThis.Temporal.ZonedDateTime.prototype.withPlainDate; delete globalThis.Temporal.ZonedDateTime.prototype.toPlainYearMonth; delete globalThis.Temporal.ZonedDateTime.prototype.toPlainMonthDay; delete globalThis.Temporal.ZonedDateTime.prototype.getISOFields; delete globalThis.Temporal.Now.zonedDateTime; delete globalThis.Temporal.Now.plainDateTime; delete globalThis.Temporal.Now.plainDate; delete globalThis.Temporal.Calendar; delete globalThis.Temporal.TimeZone; // Modify `Temporal.Calendar` to calendarId string ArrayPrototypeForEach([ globalThis.Temporal.PlainDate, globalThis.Temporal.PlainDateTime, globalThis.Temporal.PlainMonthDay, globalThis.Temporal.PlainYearMonth, globalThis.Temporal.ZonedDateTime, ], (target) => { const getCalendar = ObjectGetOwnPropertyDescriptor(target.prototype, "calendar").get; ObjectDefineProperty(target.prototype, "calendarId", { __proto__: null, get: function calendarId() { return FunctionPrototypeCall(getCalendar, this).id; }, enumerable: false, configurable: true, }); delete target.prototype.calendar; }); // Modify `Temporal.TimeZone` to timeZoneId string { const getTimeZone = ObjectGetOwnPropertyDescriptor( globalThis.Temporal.ZonedDateTime.prototype, "timeZone", ).get; ObjectDefineProperty( globalThis.Temporal.ZonedDateTime.prototype, "timeZoneId", { __proto__: null, get: function timeZoneId() { return FunctionPrototypeCall(getTimeZone, this).id; }, enumerable: false, configurable: true, }, ); delete globalThis.Temporal.ZonedDateTime.prototype.timeZone; } { const nowTimeZone = globalThis.Temporal.Now.timeZone; ObjectDefineProperty(globalThis.Temporal.Now, "timeZoneId", { __proto__: null, value: function timeZoneId() { return nowTimeZone().id; }, writable: true, enumerable: false, configurable: true, }); delete globalThis.Temporal.Now.timeZone; } } // 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({ usesLocalNodeModulesDir: hasNodeModulesDir, runningOnMainThread: false, argv0, workerId, maybeWorkerMetadata: workerMetadata, nodeDebug, }); } } else { // Warmup return; } } const nodeBootstrap = globalThis.nodeBootstrap; delete globalThis.nodeBootstrap; const dispatchProcessExitEvent = internals.dispatchProcessExitEvent; delete internals.dispatchProcessExitEvent; const dispatchProcessBeforeExitEvent = internals.dispatchProcessBeforeExitEvent; delete internals.dispatchProcessBeforeExitEvent; globalThis.bootstrap = { mainRuntime: bootstrapMainRuntime, workerRuntime: bootstrapWorkerRuntime, dispatchLoadEvent, dispatchUnloadEvent, dispatchBeforeUnloadEvent, dispatchProcessExitEvent, dispatchProcessBeforeExitEvent, }; 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({ warmup: true });