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[IMP[ component/hooks: add onWillStart and onWillUpdateProps

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Géry Debongnie
2019-10-09 15:09:26 +02:00
parent 5f6f081ae2
commit 07dac970f7
3 changed files with 68 additions and 4 deletions
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src/component/component.ts
+9 -2
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@@ -86,6 +86,8 @@ interface Internal<T extends Env, Props> {
willUnmountCB: Function | null;
willPatchCB: Function | null;
patchedCB: Function | null;
willStartCB: Function | null;
willUpdatePropsCB: Function | null;
classObj: { [key: string]: boolean } | null;
refs: { [key: string]: Component<T, any> | HTMLElement | undefined } | null;
}
@@ -192,6 +194,8 @@ export class Component<T extends Env, Props extends {}> {
willUnmountCB: null,
willPatchCB: null,
patchedCB: null,
willStartCB: null,
willUpdatePropsCB: null,
observer: null,
render: qweb.render.bind(qweb, this.__getTemplate(qweb)),
classObj: null,
@@ -510,7 +514,10 @@ export class Component<T extends Env, Props extends {}> {
if (defaultProps) {
nextProps = this.__applyDefaultProps(nextProps, defaultProps);
}
await this.willUpdateProps(nextProps);
await Promise.all([
this.willUpdateProps(nextProps),
this.__owl__.willUpdatePropsCB && this.__owl__.willUpdatePropsCB(nextProps)
]);
this.props = nextProps;
const fiber = this.__createFiber(parentFiber.force, scope, vars, parentFiber);
fiber.patchQueue.push(fiber);
@@ -566,7 +573,7 @@ export class Component<T extends Env, Props extends {}> {
}
async __prepareAndRender(fiber: Fiber<Props>): Promise<VNode> {
try {
await this.willStart();
await Promise.all([this.willStart(), this.__owl__.willStartCB && this.__owl__.willStartCB()]);
} catch (e) {
errorHandler(e, this);
return Promise.resolve(h("div"));