fix(zone.js): do not mutate event listener options (may be readonly)#55796
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arturovt wants to merge 1 commit intoangular:mainfrom
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fix(zone.js): do not mutate event listener options (may be readonly)#55796arturovt wants to merge 1 commit intoangular:mainfrom
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Prior to this commit, event listener options were mutated directly, for example, `options.signal = undefined` or `options.once = false`. This issue arises in apps using third-party libraries where the responsibility lies with the library provider. Some libraries, like WalletConnect, pass an abort controller as `addEventListener` options. Because the abort controller has the `signal` property, this is a valid case. Thus, mutating options would throw an error since `signal` is a readonly property. Even though zone.js is being deprecated as Angular moves towards zoneless change detection, this fix is necessary for apps that still use zone.js and cannot migrate to zoneless change detection because they rely on third-party libraries and are not responsible for the code used in them. Closes angular#54142
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Caretaker note: TGP is "green" (except for unrelated build breakages), this PR is ready for merge. |
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This PR was merged into the repository by commit 85c1719. |
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…55796) Prior to this commit, event listener options were mutated directly, for example, `options.signal = undefined` or `options.once = false`. This issue arises in apps using third-party libraries where the responsibility lies with the library provider. Some libraries, like WalletConnect, pass an abort controller as `addEventListener` options. Because the abort controller has the `signal` property, this is a valid case. Thus, mutating options would throw an error since `signal` is a readonly property. Even though zone.js is being deprecated as Angular moves towards zoneless change detection, this fix is necessary for apps that still use zone.js and cannot migrate to zoneless change detection because they rely on third-party libraries and are not responsible for the code used in them. Closes #54142 PR Close #55796
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Prior to this commit, event listener options were mutated directly, for example,
options.signal = undefinedoroptions.once = false.This issue arises in apps using third-party libraries where the responsibility lies
with the library provider. Some libraries, like WalletConnect, pass an abort controller
as
addEventListeneroptions. Because the abort controller has thesignalproperty,this is a valid case. Thus, mutating options would throw an error since
signalis a readonly property.
Even though zone.js is being deprecated as Angular moves towards zoneless change detection,
this fix is necessary for apps that still use zone.js and cannot migrate to zoneless change
detection because they rely on third-party libraries and are not responsible for the code
used in them.
Closes #54142