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[addon-actions] Check result of getPropertyDescriptor for IE11 #2428

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merged 4 commits into from
Dec 5, 2017
Merged

[addon-actions] Check result of getPropertyDescriptor for IE11 #2428

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af14977
Check result of getPropertyDescriptor for IE11
jgoz Dec 4, 2017
0e4c470
Merge branch 'master' into fix-actions-undefined-descriptor
Hypnosphi Dec 4, 2017
745026d
Allow IE11 to set function name
jgoz Dec 5, 2017
1813b89
Merge branch 'master' into fix-actions-undefined-descriptor
Hypnosphi Dec 5, 2017
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4 changes: 3 additions & 1 deletion addons/actions/src/preview.js
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Original file line number Diff line number Diff line change
Expand Up @@ -24,8 +24,10 @@ export function action(name) {
});
};

// IE11 may return an undefined descriptor, but it supports Function#name
const nameDescriptor = Object.getOwnPropertyDescriptor(handler, 'name');
// This condition is true in modern browsers that implement Function#name properly
const canConfigureName = Object.getOwnPropertyDescriptor(handler, 'name').configurable;
const canConfigureName = !nameDescriptor || nameDescriptor.configurable;

if (canConfigureName && name && typeof name === 'string') {
Object.defineProperty(handler, 'name', { value: name });
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