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denoland-deno/runtime/js/99_main.js
Divy Srivastava b72f0be27c
chore: add DENO_FUTURE env var (#22318)
Closes https://github.com/denoland/deno/issues/22315

```
~> DENO_FUTURE=1 target/debug/deno

> globalThis.window
undefined
```
2024-02-15 04:50:17 +00:00

907 lines
26 KiB
JavaScript

// 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 "${apiName}" API. This API will be removed in Deno 2. Run again with DENO_VERBOSE_WARNINGS=1 to get more details.`,
"color: yellow;",
"font-weight: bold;",
);
return;
}
if (ALREADY_WARNED_DEPRECATED.has(apiName + stack)) {
return;
}
// If we haven't warned yet, let's do some processing of the stack trace
// to make it more useful.
const stackLines = StringPrototypeSplit(stack, "\n");
ArrayPrototypeShift(stackLines);
while (stackLines.length > 0) {
// Filter out internal frames at the top of the stack - they are not useful
// to the user.
if (
StringPrototypeIncludes(stackLines[0], "(ext:") ||
StringPrototypeIncludes(stackLines[0], "(node:") ||
StringPrototypeIncludes(stackLines[0], "<anonymous>")
) {
ArrayPrototypeShift(stackLines);
} else {
break;
}
}
// Now remove the last frame if it's coming from "ext:core" - this is most likely
// event loop tick or promise handler calling a user function - again not
// useful to the user.
if (
stackLines.length > 0 &&
StringPrototypeIncludes(stackLines[stackLines.length - 1], "(ext:core/")
) {
ArrayPrototypePop(stackLines);
}
let isFromRemoteDependency = false;
const firstStackLine = stackLines[0];
if (firstStackLine && !StringPrototypeIncludes(firstStackLine, "file:")) {
isFromRemoteDependency = true;
}
ALREADY_WARNED_DEPRECATED.add(apiName + stack);
console.error(
`%cwarning: %cUse of deprecated "${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<object>"](
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;
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());
const opPpid = memoizeLazy(() => op_ppid());
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.setMacrotaskCallback(timers.handleTimerMacrotask);
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",
// 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_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: () => {},
};
const {
denoVersion,
tsVersion,
v8Version,
target,
} = op_snapshot_options();
function bootstrapMainRuntime(runtimeOptions) {
if (hasBootstrapped) {
throw new Error("Worker runtime already bootstrapped");
}
const nodeBootstrap = globalThis.nodeBootstrap;
const {
0: location_,
1: unstableFlag,
2: unstableFeatures,
3: inspectFlag,
5: hasNodeModulesDir,
6: maybeBinaryNpmCommandName,
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;
delete globalThis.nodeBootstrap;
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.setEventTargetData(globalThis);
event.saveGlobalThisReference(globalThis);
event.defineEventHandler(globalThis, "error");
event.defineEventHandler(globalThis, "load");
event.defineEventHandler(globalThis, "beforeunload");
event.defineEventHandler(globalThis, "unload");
event.defineEventHandler(globalThis, "unhandledrejection");
runtimeStart(
denoVersion,
v8Version,
tsVersion,
target,
);
ObjectDefineProperties(finalDenoNs, {
pid: core.propGetterOnly(opPid),
ppid: core.propGetterOnly(opPpid),
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;
},
},
});
// 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__;
}
// 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, maybeBinaryNpmCommandName);
}
if (future) {
delete globalThis.window;
}
}
function bootstrapWorkerRuntime(
runtimeOptions,
name,
internalName,
) {
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: maybeBinaryNpmCommandName,
7: shouldDisableDeprecatedApiWarning,
8: shouldUseVerboseDeprecatedApiWarning,
} = 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;
// 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 (!ArrayPrototypeIncludes(unstableFeatures, unstableIds.unsafeProto)) {
// Removes the `__proto__` for security reasons.
// https://tc39.es/ecma262/#sec-get-object.prototype.__proto__
delete Object.prototype.__proto__;
}
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));
if (nodeBootstrap) {
nodeBootstrap(hasNodeModulesDir, maybeBinaryNpmCommandName);
}
}
globalThis.bootstrap = {
mainRuntime: bootstrapMainRuntime,
workerRuntime: bootstrapWorkerRuntime,
};