ngx-toastr
Version:
Toastr for Angular
57 lines • 7.06 kB
JavaScript
/**
* A `ComponentPortal` is a portal that instantiates some Component upon attachment.
*/
export class ComponentPortal {
constructor(component, injector) {
this.component = component;
this.injector = injector;
}
/** Attach this portal to a host. */
attach(host, newestOnTop) {
this._attachedHost = host;
return host.attach(this, newestOnTop);
}
/** Detach this portal from its host */
detach() {
const host = this._attachedHost;
if (host) {
this._attachedHost = undefined;
return host.detach();
}
}
/** Whether this portal is attached to a host. */
get isAttached() {
return this._attachedHost != null;
}
/**
* Sets the PortalHost reference without performing `attach()`. This is used directly by
* the PortalHost when it is performing an `attach()` or `detach()`.
*/
setAttachedHost(host) {
this._attachedHost = host;
}
}
/**
* Partial implementation of PortalHost that only deals with attaching a
* ComponentPortal
*/
export class BasePortalHost {
attach(portal, newestOnTop) {
this._attachedPortal = portal;
return this.attachComponentPortal(portal, newestOnTop);
}
detach() {
if (this._attachedPortal) {
this._attachedPortal.setAttachedHost();
}
this._attachedPortal = undefined;
if (this._disposeFn) {
this._disposeFn();
this._disposeFn = undefined;
}
}
setDisposeFn(fn) {
this._disposeFn = fn;
}
}
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ogQ29tcG9uZW50UmVmPFQ+O1xuXG4gIGRldGFjaCgpIHtcbiAgICBpZiAodGhpcy5fYXR0YWNoZWRQb3J0YWwpIHtcbiAgICAgIHRoaXMuX2F0dGFjaGVkUG9ydGFsLnNldEF0dGFjaGVkSG9zdCgpO1xuICAgIH1cblxuICAgIHRoaXMuX2F0dGFjaGVkUG9ydGFsID0gdW5kZWZpbmVkO1xuICAgIGlmICh0aGlzLl9kaXNwb3NlRm4pIHtcbiAgICAgIHRoaXMuX2Rpc3Bvc2VGbigpO1xuICAgICAgdGhpcy5fZGlzcG9zZUZuID0gdW5kZWZpbmVkO1xuICAgIH1cbiAgfVxuXG4gIHNldERpc3Bvc2VGbihmbjogKCkgPT4gdm9pZCkge1xuICAgIHRoaXMuX2Rpc3Bvc2VGbiA9IGZuO1xuICB9XG59XG4iXX0=