mirror of
https://github.com/denoland/deno.git
synced 2024-11-15 16:43:44 -05:00
395 lines
14 KiB
JavaScript
395 lines
14 KiB
JavaScript
// Copyright 2018-2020 the Deno authors. All rights reserved. MIT license.
|
|
// Removes the `__proto__` for security reasons. This intentionally makes
|
|
// Deno non compliant with ECMA-262 Annex B.2.2.1
|
|
//
|
|
delete Object.prototype.__proto__;
|
|
|
|
((window) => {
|
|
const core = Deno.core;
|
|
const util = window.__bootstrap.util;
|
|
const eventTarget = window.__bootstrap.eventTarget;
|
|
const globalInterfaces = window.__bootstrap.globalInterfaces;
|
|
const dispatchMinimal = window.__bootstrap.dispatchMinimal;
|
|
const build = window.__bootstrap.build;
|
|
const version = window.__bootstrap.version;
|
|
const errorStack = window.__bootstrap.errorStack;
|
|
const os = window.__bootstrap.os;
|
|
const timers = window.__bootstrap.timers;
|
|
const Console = window.__bootstrap.console.Console;
|
|
const worker = window.__bootstrap.worker;
|
|
const signals = window.__bootstrap.signals;
|
|
const { internalSymbol, internalObject } = window.__bootstrap.internals;
|
|
const performance = window.__bootstrap.performance;
|
|
const crypto = window.__bootstrap.crypto;
|
|
const url = window.__bootstrap.url;
|
|
const headers = window.__bootstrap.headers;
|
|
const streams = window.__bootstrap.streams;
|
|
const fileReader = window.__bootstrap.fileReader;
|
|
const webSocket = window.__bootstrap.webSocket;
|
|
const fetch = window.__bootstrap.fetch;
|
|
const prompt = window.__bootstrap.prompt;
|
|
const denoNs = window.__bootstrap.denoNs;
|
|
const denoNsUnstable = window.__bootstrap.denoNsUnstable;
|
|
const errors = window.__bootstrap.errors.errors;
|
|
|
|
let windowIsClosing = false;
|
|
|
|
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.
|
|
Promise.resolve().then(() =>
|
|
timers.setTimeout.call(
|
|
null,
|
|
() => {
|
|
// This should be fine, since only Window/MainWorker has .close()
|
|
os.exit(0);
|
|
},
|
|
0,
|
|
)
|
|
);
|
|
}
|
|
}
|
|
|
|
const encoder = new TextEncoder();
|
|
|
|
function workerClose() {
|
|
if (isClosing) {
|
|
return;
|
|
}
|
|
|
|
isClosing = true;
|
|
opCloseWorker();
|
|
}
|
|
|
|
// TODO(bartlomieju): remove these functions
|
|
// Stuff for workers
|
|
const onmessage = () => {};
|
|
const onerror = () => {};
|
|
|
|
function postMessage(data) {
|
|
const dataJson = JSON.stringify(data);
|
|
const dataIntArray = encoder.encode(dataJson);
|
|
opPostMessage(dataIntArray);
|
|
}
|
|
|
|
let isClosing = false;
|
|
async function workerMessageRecvCallback(data) {
|
|
const msgEvent = new MessageEvent("message", {
|
|
cancelable: false,
|
|
data,
|
|
});
|
|
|
|
try {
|
|
if (globalThis["onmessage"]) {
|
|
const result = globalThis.onmessage(msgEvent);
|
|
if (result && "then" in result) {
|
|
await result;
|
|
}
|
|
}
|
|
globalThis.dispatchEvent(msgEvent);
|
|
} catch (e) {
|
|
let handled = false;
|
|
|
|
const errorEvent = new 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: null,
|
|
});
|
|
|
|
if (globalThis["onerror"]) {
|
|
const ret = globalThis.onerror(
|
|
e.message,
|
|
e.fileName,
|
|
e.lineNumber,
|
|
e.columnNumber,
|
|
e,
|
|
);
|
|
handled = ret === true;
|
|
}
|
|
|
|
globalThis.dispatchEvent(errorEvent);
|
|
if (errorEvent.defaultPrevented) {
|
|
handled = true;
|
|
}
|
|
|
|
if (!handled) {
|
|
throw e;
|
|
}
|
|
}
|
|
}
|
|
|
|
function opPostMessage(data) {
|
|
core.jsonOpSync("op_worker_post_message", {}, data);
|
|
}
|
|
|
|
function opCloseWorker() {
|
|
core.jsonOpSync("op_worker_close");
|
|
}
|
|
|
|
function opStart() {
|
|
return core.jsonOpSync("op_start");
|
|
}
|
|
|
|
function opMainModule() {
|
|
return core.jsonOpSync("op_main_module");
|
|
}
|
|
|
|
// TODO(bartlomieju): temporary solution, must be fixed when moving
|
|
// dispatches to separate crates
|
|
function initOps() {
|
|
const opsMap = core.ops();
|
|
for (const [name, opId] of Object.entries(opsMap)) {
|
|
if (name === "op_write" || name === "op_read") {
|
|
core.setAsyncHandler(opId, dispatchMinimal.asyncMsgFromRust);
|
|
}
|
|
}
|
|
core.setMacrotaskCallback(timers.handleTimerMacrotask);
|
|
}
|
|
|
|
function runtimeStart(source) {
|
|
initOps();
|
|
// First we send an empty `Start` message to let the privileged side know we
|
|
// are ready. The response should be a `StartRes` message containing the CLI
|
|
// args and other info.
|
|
const s = opStart();
|
|
version.setVersions(s.denoVersion, s.v8Version, s.tsVersion);
|
|
build.setBuildInfo(s.target);
|
|
util.setLogDebug(s.debugFlag, source);
|
|
errorStack.setPrepareStackTrace(Error);
|
|
return s;
|
|
}
|
|
|
|
function registerErrors() {
|
|
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("Interrupted", errors.Interrupted);
|
|
core.registerErrorClass("WriteZero", errors.WriteZero);
|
|
core.registerErrorClass("UnexpectedEof", errors.UnexpectedEof);
|
|
core.registerErrorClass("BadResource", errors.BadResource);
|
|
core.registerErrorClass("Http", errors.Http);
|
|
core.registerErrorClass("Busy", errors.Busy);
|
|
core.registerErrorClass("NotSupported", errors.NotSupported);
|
|
core.registerErrorClass("Error", Error);
|
|
core.registerErrorClass("RangeError", RangeError);
|
|
core.registerErrorClass("ReferenceError", ReferenceError);
|
|
core.registerErrorClass("SyntaxError", SyntaxError);
|
|
core.registerErrorClass("TypeError", TypeError);
|
|
core.registerErrorClass("URIError", URIError);
|
|
}
|
|
|
|
// https://developer.mozilla.org/en-US/docs/Web/API/WindowOrWorkerGlobalScope
|
|
const windowOrWorkerGlobalScope = {
|
|
Blob: util.nonEnumerable(fetch.Blob),
|
|
ByteLengthQueuingStrategy: util.nonEnumerable(
|
|
streams.ByteLengthQueuingStrategy,
|
|
),
|
|
CloseEvent: util.nonEnumerable(CloseEvent),
|
|
CountQueuingStrategy: util.nonEnumerable(
|
|
streams.CountQueuingStrategy,
|
|
),
|
|
CustomEvent: util.nonEnumerable(CustomEvent),
|
|
DOMException: util.nonEnumerable(DOMException),
|
|
ErrorEvent: util.nonEnumerable(ErrorEvent),
|
|
Event: util.nonEnumerable(Event),
|
|
EventTarget: util.nonEnumerable(EventTarget),
|
|
File: util.nonEnumerable(fetch.DomFile),
|
|
FileReader: util.nonEnumerable(fileReader.FileReader),
|
|
FormData: util.nonEnumerable(fetch.FormData),
|
|
Headers: util.nonEnumerable(headers.Headers),
|
|
MessageEvent: util.nonEnumerable(MessageEvent),
|
|
Performance: util.nonEnumerable(performance.Performance),
|
|
PerformanceEntry: util.nonEnumerable(performance.PerformanceEntry),
|
|
PerformanceMark: util.nonEnumerable(performance.PerformanceMark),
|
|
PerformanceMeasure: util.nonEnumerable(performance.PerformanceMeasure),
|
|
ProgressEvent: util.nonEnumerable(ProgressEvent),
|
|
ReadableStream: util.nonEnumerable(streams.ReadableStream),
|
|
Request: util.nonEnumerable(fetch.Request),
|
|
Response: util.nonEnumerable(fetch.Response),
|
|
TextDecoder: util.nonEnumerable(TextDecoder),
|
|
TextEncoder: util.nonEnumerable(TextEncoder),
|
|
TransformStream: util.nonEnumerable(streams.TransformStream),
|
|
URL: util.nonEnumerable(url.URL),
|
|
URLSearchParams: util.nonEnumerable(url.URLSearchParams),
|
|
WebSocket: util.nonEnumerable(webSocket.WebSocket),
|
|
Worker: util.nonEnumerable(worker.Worker),
|
|
WritableStream: util.nonEnumerable(streams.WritableStream),
|
|
atob: util.writable(atob),
|
|
btoa: util.writable(btoa),
|
|
clearInterval: util.writable(timers.clearInterval),
|
|
clearTimeout: util.writable(timers.clearTimeout),
|
|
console: util.writable(new Console(core.print)),
|
|
crypto: util.readOnly(crypto),
|
|
fetch: util.writable(fetch.fetch),
|
|
performance: util.writable(performance.performance),
|
|
setInterval: util.writable(timers.setInterval),
|
|
setTimeout: util.writable(timers.setTimeout),
|
|
};
|
|
|
|
const mainRuntimeGlobalProperties = {
|
|
Window: globalInterfaces.windowConstructorDescriptor,
|
|
window: util.readOnly(globalThis),
|
|
self: util.readOnly(globalThis),
|
|
// TODO(bartlomieju): from MDN docs (https://developer.mozilla.org/en-US/docs/Web/API/WorkerGlobalScope)
|
|
// it seems those two properties should be available to workers as well
|
|
onload: util.writable(null),
|
|
onunload: util.writable(null),
|
|
close: util.writable(windowClose),
|
|
closed: util.getterOnly(() => windowIsClosing),
|
|
alert: util.writable(prompt.alert),
|
|
confirm: util.writable(prompt.confirm),
|
|
prompt: util.writable(prompt.prompt),
|
|
};
|
|
|
|
const workerRuntimeGlobalProperties = {
|
|
WorkerGlobalScope: globalInterfaces.workerGlobalScopeConstructorDescriptor,
|
|
DedicatedWorkerGlobalScope:
|
|
globalInterfaces.dedicatedWorkerGlobalScopeConstructorDescriptor,
|
|
self: util.readOnly(globalThis),
|
|
onmessage: util.writable(onmessage),
|
|
onerror: util.writable(onerror),
|
|
// TODO: should be readonly?
|
|
close: util.nonEnumerable(workerClose),
|
|
postMessage: util.writable(postMessage),
|
|
workerMessageRecvCallback: util.nonEnumerable(workerMessageRecvCallback),
|
|
};
|
|
|
|
let hasBootstrapped = false;
|
|
|
|
function bootstrapMainRuntime() {
|
|
if (hasBootstrapped) {
|
|
throw new Error("Worker runtime already bootstrapped");
|
|
}
|
|
// Remove bootstrapping data from the global scope
|
|
delete globalThis.__bootstrap;
|
|
delete globalThis.bootstrap;
|
|
util.log("bootstrapMainRuntime");
|
|
hasBootstrapped = true;
|
|
Object.defineProperties(globalThis, windowOrWorkerGlobalScope);
|
|
Object.defineProperties(globalThis, mainRuntimeGlobalProperties);
|
|
Object.setPrototypeOf(globalThis, Window.prototype);
|
|
eventTarget.setEventTargetData(globalThis);
|
|
// Registers the handler for window.onload function.
|
|
globalThis.addEventListener("load", (e) => {
|
|
const { onload } = globalThis;
|
|
if (typeof onload === "function") {
|
|
onload(e);
|
|
}
|
|
});
|
|
// Registers the handler for window.onunload function.
|
|
globalThis.addEventListener("unload", (e) => {
|
|
const { onunload } = globalThis;
|
|
if (typeof onunload === "function") {
|
|
onunload(e);
|
|
}
|
|
});
|
|
|
|
const { args, noColor, pid, ppid, unstableFlag } = runtimeStart();
|
|
|
|
registerErrors();
|
|
|
|
const finalDenoNs = {
|
|
core,
|
|
internal: internalSymbol,
|
|
[internalSymbol]: internalObject,
|
|
resources: core.resources,
|
|
close: core.close,
|
|
...denoNs,
|
|
};
|
|
Object.defineProperties(finalDenoNs, {
|
|
pid: util.readOnly(pid),
|
|
ppid: util.readOnly(ppid),
|
|
noColor: util.readOnly(noColor),
|
|
args: util.readOnly(Object.freeze(args)),
|
|
mainModule: util.getterOnly(opMainModule),
|
|
});
|
|
|
|
if (unstableFlag) {
|
|
Object.assign(finalDenoNs, denoNsUnstable);
|
|
}
|
|
|
|
// Setup `Deno` global - we're actually overriding already
|
|
// existing global `Deno` with `Deno` namespace from "./deno.ts".
|
|
util.immutableDefine(globalThis, "Deno", finalDenoNs);
|
|
Object.freeze(globalThis.Deno);
|
|
Object.freeze(globalThis.Deno.core);
|
|
Object.freeze(globalThis.Deno.core.sharedQueue);
|
|
signals.setSignals();
|
|
|
|
util.log("args", args);
|
|
}
|
|
|
|
function bootstrapWorkerRuntime(name, useDenoNamespace, internalName) {
|
|
if (hasBootstrapped) {
|
|
throw new Error("Worker runtime already bootstrapped");
|
|
}
|
|
// Remove bootstrapping data from the global scope
|
|
delete globalThis.__bootstrap;
|
|
delete globalThis.bootstrap;
|
|
util.log("bootstrapWorkerRuntime");
|
|
hasBootstrapped = true;
|
|
Object.defineProperties(globalThis, windowOrWorkerGlobalScope);
|
|
Object.defineProperties(globalThis, workerRuntimeGlobalProperties);
|
|
Object.defineProperties(globalThis, { name: util.readOnly(name) });
|
|
Object.setPrototypeOf(globalThis, DedicatedWorkerGlobalScope.prototype);
|
|
eventTarget.setEventTargetData(globalThis);
|
|
const { unstableFlag, pid, noColor, args } = runtimeStart(
|
|
internalName ?? name,
|
|
);
|
|
|
|
registerErrors();
|
|
|
|
const finalDenoNs = {
|
|
core,
|
|
internal: internalSymbol,
|
|
[internalSymbol]: internalObject,
|
|
resources: core.resources,
|
|
close: core.close,
|
|
...denoNs,
|
|
};
|
|
if (useDenoNamespace) {
|
|
if (unstableFlag) {
|
|
Object.assign(finalDenoNs, denoNsUnstable);
|
|
}
|
|
Object.defineProperties(finalDenoNs, {
|
|
pid: util.readOnly(pid),
|
|
noColor: util.readOnly(noColor),
|
|
args: util.readOnly(Object.freeze(args)),
|
|
});
|
|
// Setup `Deno` global - we're actually overriding already
|
|
// existing global `Deno` with `Deno` namespace from "./deno.ts".
|
|
util.immutableDefine(globalThis, "Deno", finalDenoNs);
|
|
Object.freeze(globalThis.Deno);
|
|
Object.freeze(globalThis.Deno.core);
|
|
Object.freeze(globalThis.Deno.core.sharedQueue);
|
|
signals.setSignals();
|
|
} else {
|
|
delete globalThis.Deno;
|
|
util.assert(globalThis.Deno === undefined);
|
|
}
|
|
}
|
|
|
|
Object.defineProperties(globalThis, {
|
|
bootstrap: {
|
|
value: {
|
|
mainRuntime: bootstrapMainRuntime,
|
|
workerRuntime: bootstrapWorkerRuntime,
|
|
},
|
|
configurable: true,
|
|
},
|
|
});
|
|
})(this);
|