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fix(snack-bar): handle large numbers passed in as duration #17239

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merged 1 commit into from
Oct 18, 2019

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crisbeto
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Handles very large numbers being passed in as a snack bar duration (e.g. Infinity). We need to cap the duration, otherwise the browser will revert it back to 1 if it's too large.

Fixes #17234.

Handles very large numbers being passed in as a snack bar duration (e.g. `Infinity`). We need to cap the duration, otherwise the browser will revert it back to 1 if it's too large.

Fixes angular#17234.
@crisbeto crisbeto added P4 A relatively minor issue that is not relevant to core functions target: patch This PR is targeted for the next patch release labels Sep 30, 2019
@crisbeto crisbeto requested a review from jelbourn as a code owner September 30, 2019 19:59
@googlebot googlebot added the cla: yes PR author has agreed to Google's Contributor License Agreement label Sep 30, 2019
@@ -17,6 +17,9 @@ export interface MatSnackBarDismiss {
dismissedByAction: boolean;
}

/** Maximum amount of milliseconds that can be passed into setTimeout. */
const MAX_TIMEOUT = Math.pow(2, 31) - 1;
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Why doesn't Number.MAX_SAFE_INTEGER work for this?

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AFAIK MAX_SAFE_INTEGER is 64bit, whereas setTimeout accepts 32bit.

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LGTM

Another new terrible JavaScript fact

@jelbourn jelbourn added pr: lgtm action: merge The PR is ready for merge by the caretaker labels Sep 30, 2019
@mmalerba mmalerba merged commit 86a8fee into angular:master Oct 18, 2019
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action: merge The PR is ready for merge by the caretaker cla: yes PR author has agreed to Google's Contributor License Agreement P4 A relatively minor issue that is not relevant to core functions target: patch This PR is targeted for the next patch release
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Snackbar immediately closes if duration is above 1e+21
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