mirror of
https://github.com/denoland/deno.git
synced 2024-12-25 00:29:09 -05:00
bda9379385
Moves op_close and op_resources to deno_core::ops and exports them. Adds serde dependency to deno_core and reexports it. Moves JS implementation of those ops to Deno.core and reexports them in Deno.
401 lines
14 KiB
JavaScript
401 lines
14 KiB
JavaScript
// Removes the `__proto__` for security reasons. This intentionally makes
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// Deno non compliant with ECMA-262 Annex B.2.2.1
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//
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delete Object.prototype.__proto__;
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((window) => {
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const core = Deno.core;
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const util = window.__bootstrap.util;
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const eventTarget = window.__bootstrap.eventTarget;
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const dispatchMinimal = window.__bootstrap.dispatchMinimal;
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const build = window.__bootstrap.build;
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const version = window.__bootstrap.version;
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const errorStack = window.__bootstrap.errorStack;
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const os = window.__bootstrap.os;
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const timers = window.__bootstrap.timers;
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const replLoop = window.__bootstrap.repl.replLoop;
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const Console = window.__bootstrap.console.Console;
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const worker = window.__bootstrap.worker;
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const signals = window.__bootstrap.signals;
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const { internalSymbol, internalObject } = window.__bootstrap.internals;
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const performance = window.__bootstrap.performance;
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const crypto = window.__bootstrap.crypto;
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const url = window.__bootstrap.url;
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const headers = window.__bootstrap.headers;
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const queuingStrategy = window.__bootstrap.queuingStrategy;
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const streams = window.__bootstrap.streams;
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const blob = window.__bootstrap.blob;
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const domFile = window.__bootstrap.domFile;
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const progressEvent = window.__bootstrap.progressEvent;
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const fileReader = window.__bootstrap.fileReader;
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const formData = window.__bootstrap.formData;
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const webSocket = window.__bootstrap.webSocket;
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const request = window.__bootstrap.request;
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const fetch = window.__bootstrap.fetch;
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const denoNs = window.__bootstrap.denoNs;
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const denoNsUnstable = window.__bootstrap.denoNsUnstable;
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const errors = window.__bootstrap.errors.errors;
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let windowIsClosing = false;
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function windowClose() {
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if (!windowIsClosing) {
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windowIsClosing = true;
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// Push a macrotask to exit after a promise resolve.
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// This is not perfect, but should be fine for first pass.
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Promise.resolve().then(() =>
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timers.setTimeout.call(
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null,
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() => {
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// This should be fine, since only Window/MainWorker has .close()
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os.exit(0);
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},
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0,
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)
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);
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}
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}
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const encoder = new TextEncoder();
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function workerClose() {
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if (isClosing) {
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return;
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}
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isClosing = true;
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opCloseWorker();
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}
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// TODO(bartlomieju): remove these funtions
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// Stuff for workers
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const onmessage = () => {};
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const onerror = () => {};
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function postMessage(data) {
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const dataJson = JSON.stringify(data);
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const dataIntArray = encoder.encode(dataJson);
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opPostMessage(dataIntArray);
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}
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let isClosing = false;
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async function workerMessageRecvCallback(data) {
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const msgEvent = new MessageEvent("message", {
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cancelable: false,
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data,
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});
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try {
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if (globalThis["onmessage"]) {
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const result = globalThis.onmessage(msgEvent);
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if (result && "then" in result) {
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await result;
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}
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}
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globalThis.dispatchEvent(msgEvent);
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} catch (e) {
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let handled = false;
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const errorEvent = new ErrorEvent("error", {
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cancelable: true,
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message: e.message,
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lineno: e.lineNumber ? e.lineNumber + 1 : undefined,
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colno: e.columnNumber ? e.columnNumber + 1 : undefined,
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filename: e.fileName,
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error: null,
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});
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if (globalThis["onerror"]) {
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const ret = globalThis.onerror(
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e.message,
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e.fileName,
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e.lineNumber,
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e.columnNumber,
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e,
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);
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handled = ret === true;
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}
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globalThis.dispatchEvent(errorEvent);
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if (errorEvent.defaultPrevented) {
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handled = true;
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}
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if (!handled) {
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throw e;
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}
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}
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}
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function opPostMessage(data) {
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core.jsonOpSync("op_worker_post_message", {}, data);
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}
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function opCloseWorker() {
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core.jsonOpSync("op_worker_close");
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}
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function opStart() {
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return core.jsonOpSync("op_start");
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}
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function opMainModule() {
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return core.jsonOpSync("op_main_module");
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}
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// TODO(bartlomieju): temporary solution, must be fixed when moving
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// dispatches to separate crates
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function initOps() {
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const opsMap = core.ops();
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for (const [name, opId] of Object.entries(opsMap)) {
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if (name === "op_write" || name === "op_read") {
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core.setAsyncHandler(opId, dispatchMinimal.asyncMsgFromRust);
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}
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}
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core.setMacrotaskCallback(timers.handleTimerMacrotask);
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}
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function runtimeStart(source) {
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initOps();
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// First we send an empty `Start` message to let the privileged side know we
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// are ready. The response should be a `StartRes` message containing the CLI
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// args and other info.
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const s = opStart();
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version.setVersions(s.denoVersion, s.v8Version, s.tsVersion);
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build.setBuildInfo(s.target);
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util.setLogDebug(s.debugFlag, source);
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errorStack.setPrepareStackTrace(Error);
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return s;
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}
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function registerErrors() {
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core.registerErrorClass("NotFound", errors.NotFound);
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core.registerErrorClass("PermissionDenied", errors.PermissionDenied);
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core.registerErrorClass("ConnectionRefused", errors.ConnectionRefused);
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core.registerErrorClass("ConnectionReset", errors.ConnectionReset);
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core.registerErrorClass("ConnectionAborted", errors.ConnectionAborted);
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core.registerErrorClass("NotConnected", errors.NotConnected);
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core.registerErrorClass("AddrInUse", errors.AddrInUse);
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core.registerErrorClass("AddrNotAvailable", errors.AddrNotAvailable);
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core.registerErrorClass("BrokenPipe", errors.BrokenPipe);
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core.registerErrorClass("AlreadyExists", errors.AlreadyExists);
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core.registerErrorClass("InvalidData", errors.InvalidData);
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core.registerErrorClass("TimedOut", errors.TimedOut);
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core.registerErrorClass("Interrupted", errors.Interrupted);
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core.registerErrorClass("WriteZero", errors.WriteZero);
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core.registerErrorClass("UnexpectedEof", errors.UnexpectedEof);
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core.registerErrorClass("BadResource", errors.BadResource);
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core.registerErrorClass("Http", errors.Http);
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core.registerErrorClass("Busy", errors.Busy);
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core.registerErrorClass("NotSupported", errors.NotSupported);
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core.registerErrorClass("Error", Error);
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core.registerErrorClass("RangeError", RangeError);
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core.registerErrorClass("ReferenceError", ReferenceError);
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core.registerErrorClass("SyntaxError", SyntaxError);
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core.registerErrorClass("TypeError", TypeError);
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core.registerErrorClass("URIError", URIError);
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}
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// https://developer.mozilla.org/en-US/docs/Web/API/WindowOrWorkerGlobalScope
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const windowOrWorkerGlobalScope = {
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Blob: util.nonEnumerable(blob.Blob),
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ByteLengthQueuingStrategy: util.nonEnumerable(
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queuingStrategy.ByteLengthQueuingStrategy,
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),
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CloseEvent: util.nonEnumerable(CloseEvent),
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CountQueuingStrategy: util.nonEnumerable(
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queuingStrategy.CountQueuingStrategy,
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),
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CustomEvent: util.nonEnumerable(CustomEvent),
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DOMException: util.nonEnumerable(DOMException),
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ErrorEvent: util.nonEnumerable(ErrorEvent),
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Event: util.nonEnumerable(Event),
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EventTarget: util.nonEnumerable(EventTarget),
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File: util.nonEnumerable(domFile.DomFile),
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FileReader: util.nonEnumerable(fileReader.FileReader),
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FormData: util.nonEnumerable(formData.FormData),
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Headers: util.nonEnumerable(headers.Headers),
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MessageEvent: util.nonEnumerable(MessageEvent),
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Performance: util.nonEnumerable(performance.Performance),
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PerformanceEntry: util.nonEnumerable(performance.PerformanceEntry),
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PerformanceMark: util.nonEnumerable(performance.PerformanceMark),
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PerformanceMeasure: util.nonEnumerable(performance.PerformanceMeasure),
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ProgressEvent: util.nonEnumerable(progressEvent.ProgressEvent),
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ReadableStream: util.nonEnumerable(streams.ReadableStream),
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Request: util.nonEnumerable(request.Request),
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Response: util.nonEnumerable(fetch.Response),
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TextDecoder: util.nonEnumerable(TextDecoder),
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TextEncoder: util.nonEnumerable(TextEncoder),
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TransformStream: util.nonEnumerable(streams.TransformStream),
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URL: util.nonEnumerable(url.URL),
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URLSearchParams: util.nonEnumerable(url.URLSearchParams),
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WebSocket: util.nonEnumerable(webSocket.WebSocket),
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Worker: util.nonEnumerable(worker.Worker),
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WritableStream: util.nonEnumerable(streams.WritableStream),
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addEventListener: util.readOnly(EventTarget.prototype.addEventListener),
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atob: util.writable(atob),
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btoa: util.writable(btoa),
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clearInterval: util.writable(timers.clearInterval),
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clearTimeout: util.writable(timers.clearTimeout),
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console: util.writable(new Console(core.print)),
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crypto: util.readOnly(crypto),
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dispatchEvent: util.readOnly(EventTarget.prototype.dispatchEvent),
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fetch: util.writable(fetch.fetch),
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performance: util.writable(new performance.Performance()),
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removeEventListener: util.readOnly(
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EventTarget.prototype.removeEventListener,
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),
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setInterval: util.writable(timers.setInterval),
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setTimeout: util.writable(timers.setTimeout),
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};
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const mainRuntimeGlobalProperties = {
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window: util.readOnly(globalThis),
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self: util.readOnly(globalThis),
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// TODO(bartlomieju): from MDN docs (https://developer.mozilla.org/en-US/docs/Web/API/WorkerGlobalScope)
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// it seems those two properties should be available to workers as well
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onload: util.writable(null),
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onunload: util.writable(null),
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close: util.writable(windowClose),
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closed: util.getterOnly(() => windowIsClosing),
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};
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const workerRuntimeGlobalProperties = {
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self: util.readOnly(globalThis),
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onmessage: util.writable(onmessage),
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onerror: util.writable(onerror),
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// TODO: should be readonly?
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close: util.nonEnumerable(workerClose),
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postMessage: util.writable(postMessage),
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workerMessageRecvCallback: util.nonEnumerable(workerMessageRecvCallback),
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};
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let hasBootstrapped = false;
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function bootstrapMainRuntime() {
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if (hasBootstrapped) {
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throw new Error("Worker runtime already bootstrapped");
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}
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// Remove bootstrapping data from the global scope
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delete globalThis.__bootstrap;
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delete globalThis.bootstrap;
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util.log("bootstrapMainRuntime");
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hasBootstrapped = true;
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Object.defineProperties(globalThis, windowOrWorkerGlobalScope);
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Object.defineProperties(globalThis, mainRuntimeGlobalProperties);
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eventTarget.setEventTargetData(globalThis);
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// Registers the handler for window.onload function.
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globalThis.addEventListener("load", (e) => {
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const { onload } = globalThis;
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if (typeof onload === "function") {
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onload(e);
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}
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});
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// Registers the handler for window.onunload function.
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globalThis.addEventListener("unload", (e) => {
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const { onunload } = globalThis;
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if (typeof onunload === "function") {
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onunload(e);
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}
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});
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const { args, cwd, noColor, pid, ppid, repl, unstableFlag } =
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runtimeStart();
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registerErrors();
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const finalDenoNs = {
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core,
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internal: internalSymbol,
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[internalSymbol]: internalObject,
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resources: core.resources,
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close: core.close,
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...denoNs,
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};
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Object.defineProperties(finalDenoNs, {
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pid: util.readOnly(pid),
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ppid: util.readOnly(ppid),
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noColor: util.readOnly(noColor),
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args: util.readOnly(Object.freeze(args)),
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mainModule: util.getterOnly(opMainModule),
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});
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if (unstableFlag) {
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Object.assign(finalDenoNs, denoNsUnstable);
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}
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// Setup `Deno` global - we're actually overriding already
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// existing global `Deno` with `Deno` namespace from "./deno.ts".
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util.immutableDefine(globalThis, "Deno", finalDenoNs);
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Object.freeze(globalThis.Deno);
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Object.freeze(globalThis.Deno.core);
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Object.freeze(globalThis.Deno.core.sharedQueue);
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signals.setSignals();
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util.log("cwd", cwd);
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util.log("args", args);
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if (repl) {
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replLoop();
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}
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}
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function bootstrapWorkerRuntime(name, useDenoNamespace, internalName) {
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if (hasBootstrapped) {
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throw new Error("Worker runtime already bootstrapped");
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}
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// Remove bootstrapping data from the global scope
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delete globalThis.__bootstrap;
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delete globalThis.bootstrap;
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util.log("bootstrapWorkerRuntime");
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hasBootstrapped = true;
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Object.defineProperties(globalThis, windowOrWorkerGlobalScope);
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Object.defineProperties(globalThis, workerRuntimeGlobalProperties);
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Object.defineProperties(globalThis, { name: util.readOnly(name) });
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eventTarget.setEventTargetData(globalThis);
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const { unstableFlag, pid, noColor, args } = runtimeStart(
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internalName ?? name,
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);
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registerErrors();
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const finalDenoNs = {
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core,
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internal: internalSymbol,
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[internalSymbol]: internalObject,
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resources: core.resources,
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close: core.close,
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...denoNs,
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};
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if (useDenoNamespace) {
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if (unstableFlag) {
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Object.assign(finalDenoNs, denoNsUnstable);
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}
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Object.defineProperties(finalDenoNs, {
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pid: util.readOnly(pid),
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noColor: util.readOnly(noColor),
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args: util.readOnly(Object.freeze(args)),
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});
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// Setup `Deno` global - we're actually overriding already
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// existing global `Deno` with `Deno` namespace from "./deno.ts".
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util.immutableDefine(globalThis, "Deno", finalDenoNs);
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Object.freeze(globalThis.Deno);
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Object.freeze(globalThis.Deno.core);
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Object.freeze(globalThis.Deno.core.sharedQueue);
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signals.setSignals();
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} else {
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delete globalThis.Deno;
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util.assert(globalThis.Deno === undefined);
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}
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}
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Object.defineProperties(globalThis, {
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bootstrap: {
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value: {
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mainRuntime: bootstrapMainRuntime,
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workerRuntime: bootstrapWorkerRuntime,
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},
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configurable: true,
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},
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});
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})(this);
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