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ES6 extended arrays are mutated into vanilla arrays #8963

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AimForNaN opened this issue Oct 17, 2018 · 1 comment
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ES6 extended arrays are mutated into vanilla arrays #8963

AimForNaN opened this issue Oct 17, 2018 · 1 comment

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@AimForNaN
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Version

2.5.17

Reproduction link

https://jsfiddle.net/truefusion/hLzg2w8b/

Steps to reproduce

Extend an Array.
Instantiate the new class.
Assign it to a component property that is observable by Vue.
Access the property in the console.

What is expected?

The reference to maintain its instantiated class.

What is actually happening?

The instantiated class is mutated into a regular array.

Tested in latest version of Chrome. Not sure about the rest (but for my purposes the other browsers are irrelevant for my project).
@posva
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posva commented Oct 17, 2018

Duplicate of #5893

@posva posva marked this as a duplicate of #5893 Oct 17, 2018
@posva posva closed this as completed Oct 17, 2018
@cybermerlin cybermerlin mentioned this issue Dec 3, 2018
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@posva @AimForNaN