Server : Apache/2.4.6 (CentOS) OpenSSL/1.0.2k-fips PHP/7.4.20 System : Linux st2.domain.com 3.10.0-1127.10.1.el7.x86_64 #1 SMP Wed Jun 3 14:28:03 UTC 2020 x86_64 User : apache ( 48) PHP Version : 7.4.20 Disable Function : NONE Directory : /home/real/node-v13.0.1/lib/internal/console/ |
'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;