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some minor TODOs for template view improvements

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This commit is contained in:
Bruno Windels 2021-04-07 14:38:48 +02:00
parent cd93077731
commit 141cf95eac
1 changed files with 4 additions and 0 deletions
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4
src/platform/web/ui/general/TemplateView.js
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@ -41,11 +41,13 @@ function objHasFns(obj) {
export class TemplateView { export class TemplateView {
constructor(value, render = undefined) { constructor(value, render = undefined) {
this._value = value; this._value = value;
// TODO: can avoid this if we have a separate class for inline templates vs class template views
this._render = render; this._render = render;
this._eventListeners = null; this._eventListeners = null;
this._bindings = null; this._bindings = null;
this._subViews = null; this._subViews = null;
this._root = null; this._root = null;
// TODO: can avoid this if we adopt the handleEvent pattern in our EventListener
this._boundUpdateFromValue = null; this._boundUpdateFromValue = null;
} }
@ -324,6 +326,8 @@ class TemplateBuilder {
return new TemplateView(this._value, (t, vm) => { return new TemplateView(this._value, (t, vm) => {
const rootNode = renderFn(mappedValue, t, vm); const rootNode = renderFn(mappedValue, t, vm);
if (!rootNode) { if (!rootNode) {
// TODO: this will confuse mapView which assumes that
// a comment node means there is no view to clean up
return document.createComment("map placeholder"); return document.createComment("map placeholder");
} }
return rootNode; return rootNode;