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[BUGFIX release] Fix rendering a property of a function #15535

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merged 2 commits into from
Jul 22, 2017
Merged

[BUGFIX release] Fix rendering a property of a function #15535

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ea1d301
[BUGFIX release] enable templates read a property from a function
bekzod Jul 9, 2017
6492271
[BUGFIX release] failing test for reading a property off of a function
Dec 16, 2016
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10 changes: 6 additions & 4 deletions packages/ember-glimmer/lib/utils/references.js
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Original file line number Diff line number Diff line change
Expand Up @@ -213,11 +213,13 @@ export class NestedPropertyReference extends PropertyReference {

_parentObjectTag.update(tagForProperty(parentValue, _propertyKey));

if (typeof parentValue === 'string' && _propertyKey === 'length') {
let parentValueType = typeof parentValue;

if (parentValueType === 'string' && _propertyKey === 'length') {
return parentValue.length;
}

if (typeof parentValue === 'object' && parentValue) {
if (parentValueType === 'object' && parentValue !== null || parentValueType === 'function') {
if (MANDATORY_SETTER) {
watchKey(parentValue, _propertyKey);
}
Expand Down Expand Up @@ -315,7 +317,7 @@ export class SimpleHelperReference extends CachedReference {

let result = helper(positionalValue, namedValue);

if (typeof result === 'object' && result !== null) {
if (typeof result === 'object' && result !== null || typeof result === 'function') {
return new RootReference(result);
} else {
return PrimitiveReference.create(result);
Expand Down Expand Up @@ -396,7 +398,7 @@ export class InternalHelperReference extends CachedReference {
// @implements PathReference
export class UnboundReference extends ConstReference {
static create(value) {
if (typeof value === 'object' && value !== null) {
if (typeof value === 'object' && value !== null || typeof result === 'function') {
return new UnboundReference(value);
} else {
return PrimitiveReference.create(value);
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23 changes: 23 additions & 0 deletions packages/ember-glimmer/tests/integration/content-test.js
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Expand Up @@ -484,6 +484,29 @@ class DynamicContentTest extends RenderingTest {
this.assertContent('hello');
this.assertInvariants();
}

['@test it can render a property on a function']() {
let func = () => {};
func.aProp = 'this is a property on a function';

this.renderPath('func.aProp', { func });

this.assertContent('this is a property on a function');

this.assertStableRerender();

// this.runTask(() => set(func, 'aProp', 'still a property on a function'));
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why comments?

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because I missed that? I didn't comment it out.

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The test was trying to do INUR (which is likely what prompted the fixing of the updating side also), so my guess is that the update/reset parts here are just commented out.

// this.assertContent('still a property on a function');
// this.assertInvariants();

// func = () => {};
// func.aProp = 'a prop on a new function';

// this.runTask(() => set(this.context, 'func', func));

// this.assertContent('a prop on a new function');
// this.assertInvariants();
}
}

const EMPTY = {};
Expand Down