mirror of
https://github.com/nodejs/node.git
synced 2025-05-05 19:08:17 +00:00
908292cf1f
PR-URL: https://github.com/nodejs/node/pull/27146 Reviewed-By: Colin Ihrig <cjihrig@gmail.com> Reviewed-By: Ruben Bridgewater <ruben@bridgewater.de> Reviewed-By: Joyee Cheung <joyeec9h3@gmail.com> Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl> Reviewed-By: Anna Henningsen <anna@addaleax.net> Reviewed-By: James M Snell <jasnell@gmail.com> Reviewed-By: Gus Caplan <me@gus.host>
47 lines
1.7 KiB
JavaScript
47 lines
1.7 KiB
JavaScript
'use strict';
|
|
|
|
// See https://console.spec.whatwg.org/#console-namespace
|
|
// > For historical web-compatibility reasons, the namespace object
|
|
// > for console must have as its [[Prototype]] an empty object,
|
|
// > created as if by ObjectCreate(%ObjectPrototype%),
|
|
// > instead of %ObjectPrototype%.
|
|
|
|
// Since in Node.js, the Console constructor has been exposed through
|
|
// require('console'), we need to keep the Console constructor but
|
|
// we cannot actually use `new Console` to construct the global console.
|
|
// Therefore, the console.Console.prototype is not
|
|
// in the global console prototype chain anymore.
|
|
|
|
const { Object, Reflect } = primordials;
|
|
|
|
const {
|
|
Console,
|
|
kBindStreamsLazy,
|
|
kBindProperties
|
|
} = require('internal/console/constructor');
|
|
|
|
const globalConsole = Object.create({});
|
|
|
|
// Since Console is not on the prototype chain of the global console,
|
|
// the symbol properties on Console.prototype have to be looked up from
|
|
// the global console itself. In addition, we need to make the global
|
|
// console a namespace by binding the console methods directly onto
|
|
// the global console with the receiver fixed.
|
|
for (const prop of Reflect.ownKeys(Console.prototype)) {
|
|
if (prop === 'constructor') { continue; }
|
|
const desc = Reflect.getOwnPropertyDescriptor(Console.prototype, prop);
|
|
if (typeof desc.value === 'function') { // fix the receiver
|
|
desc.value = desc.value.bind(globalConsole);
|
|
}
|
|
Reflect.defineProperty(globalConsole, prop, desc);
|
|
}
|
|
|
|
globalConsole[kBindStreamsLazy](process);
|
|
globalConsole[kBindProperties](true, 'auto');
|
|
|
|
// This is a legacy feature - the Console constructor is exposed on
|
|
// the global console instance.
|
|
globalConsole.Console = Console;
|
|
|
|
module.exports = globalConsole;
|