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denoland-deno/js/globals.ts
Ryan Dahl e7cab71574
runtime.ts refactor into compiler.ts (#564)
Adds compiler_test.ts
2018-08-22 17:17:26 -04:00

89 lines
2.7 KiB
TypeScript

// Copyright 2018 the Deno authors. All rights reserved. MIT license.
import { Console } from "./console";
import { exit } from "./os";
import { RawSourceMap } from "./types";
import * as timers from "./timers";
import { TextEncoder, TextDecoder } from "./text_encoding";
import * as fetch_ from "./fetch";
declare global {
interface Window {
console: Console;
define: Readonly<unknown>;
onerror?: (
message: string,
source: string,
lineno: number,
colno: number,
error: Error
) => void;
}
const clearTimeout: typeof timers.clearTimer;
const clearInterval: typeof timers.clearTimer;
const setTimeout: typeof timers.setTimeout;
const setInterval: typeof timers.setInterval;
const console: Console;
const window: Window;
const fetch: typeof fetch_.fetch;
// tslint:disable:variable-name
let TextEncoder: TextEncoder;
let TextDecoder: TextDecoder;
// tslint:enable:variable-name
}
// If you use the eval function indirectly, by invoking it via a reference
// other than eval, as of ECMAScript 5 it works in the global scope rather than
// the local scope. This means, for instance, that function declarations create
// global functions, and that the code being evaluated doesn't have access to
// local variables within the scope where it's being called.
export const globalEval = eval;
// A reference to the global object.
export const window = globalEval("this");
window.window = window;
// The libdeno functions are moved so that users can't access them.
type MessageCallback = (msg: Uint8Array) => void;
interface Libdeno {
recv(cb: MessageCallback): void;
send(msg: ArrayBufferView): null | Uint8Array;
print(x: string): void;
mainSource: string;
mainSourceMap: RawSourceMap;
}
export const libdeno = window.libdeno as Libdeno;
window.libdeno = null;
// import "./url";
window.setTimeout = timers.setTimeout;
window.setInterval = timers.setInterval;
window.clearTimeout = timers.clearTimer;
window.clearInterval = timers.clearTimer;
window.console = new Console(libdeno.print);
// Uncaught exceptions are sent to window.onerror by the privileged binding.
window.onerror = (
message: string,
source: string,
lineno: number,
colno: number,
error: Error
) => {
// TODO Currently there is a bug in v8_source_maps.ts that causes a
// segfault if it is used within window.onerror. To workaround we
// uninstall the Error.prepareStackTrace handler. Users will get unmapped
// stack traces on uncaught exceptions until this issue is fixed.
//Error.prepareStackTrace = null;
console.log(error.stack);
exit(1);
};
window.TextEncoder = TextEncoder;
window.TextDecoder = TextDecoder;
window.fetch = fetch_.fetch;