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A browser-lite environment for Node.js or a worker thread.
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The can-vdom module does not export anything, but it changes the current
environment to have the limited subset of browser environment behavior and
functionality needed to support CanJS templates and other behavior without
a native DOM.
require( "can-vdom" );
window === global; // true
document.getElementsByTagName( "body" ); // [HTMLBodyElement]
can-vdom decorates the environment global to include:
- a non-functional
navigator,location, andhistoryobject. - a limitedly functional
documentwith basicNodebehavior, event binding and dispatching.
Shiming a browser environment
Importing can-vdom will shim a browser-like environment into Node's globals. Use this approach to run code that expects a global window and/or document object.
require( "can-vdom" );
typeof window; // "object"
typeof window.addEventListener; // "function"
document.getElementById( "foo" ); // undefined
Loading as a module
If you want to prevent setting globals you can load can-vdom/make-window/make-window directly:
import makeWindow from "can-vdom/make-window/make-window";
const myWindow = makeWindow( global );