ui: Don't look for isDescriptor on null (related to null proxies) (#5782)

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John Cowen 2019-05-03 11:39:32 +01:00 committed by GitHub
parent fc14703a18
commit a37d6aaac2
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1 changed files with 7 additions and 7 deletions

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@ -7,18 +7,18 @@ const PREFIX = '_';
export default Mixin.create(WithListeners, {
setProperties: function(model) {
const _model = {};
Object.keys(model).forEach(key => {
Object.keys(model).forEach(prop => {
// here (see comment below on deleting)
if (typeof this[key] !== 'undefined' && this[key].isDescriptor) {
_model[`${PREFIX}${key}`] = model[key];
const meta = this.constructor.metaForProperty(key) || {};
if (this[prop] && this[prop].isDescriptor) {
_model[`${PREFIX}${prop}`] = model[prop];
const meta = this.constructor.metaForProperty(prop) || {};
if (typeof meta.catch === 'function') {
if (typeof _model[`${PREFIX}${key}`].addEventListener === 'function') {
this.listen(_model[`_${key}`], 'error', meta.catch.bind(this));
if (typeof _model[`${PREFIX}${prop}`].addEventListener === 'function') {
this.listen(_model[`_${prop}`], 'error', meta.catch.bind(this));
}
}
} else {
_model[key] = model[key];
_model[prop] = model[prop];
}
});
return this._super(_model);