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[IMP] component: allow multiple mount/unmount

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closes #258
This commit is contained in:
Géry Debongnie
2019-08-22 13:32:53 +02:00
parent eaf912bed7
commit e5b1ba24d8
3 changed files with 76 additions and 4 deletions
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src/component/component.ts
+13 -4
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@@ -265,14 +265,23 @@ export class Component<T extends Env, Props extends {}, State extends {}> {
*
* This should only be done if the component was created manually. Components
* created declaratively in templates are managed by the Owl system.
*
* Note that a component can be mounted an unmounted several times
*/
async mount(target: HTMLElement): Promise<void> {
const vnode = await this.__prepare();
if (this.__owl__.isDestroyed) {
// component was destroyed before we get here...
if (this.__owl__.isMounted) {
return;
}
this.__patch(vnode);
if (this.__owl__.renderId === 1) {
// we use the fact that renderId === 1 as a way to determine that the
// component is mounted for the first time
const vnode = await this.__prepare();
if (this.__owl__.isDestroyed) {
// component was destroyed before we get here...
return;
}
this.__patch(vnode);
}
target.appendChild(this.el!);
if (document.body.contains(target)) {