AO3-7375 Fix TypeError by adding localStorage feature check for accepted_tos check#5704
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mjec wants to merge 1 commit intootwcode:masterfrom
Open
AO3-7375 Fix TypeError by adding localStorage feature check for accepted_tos check#5704mjec wants to merge 1 commit intootwcode:masterfrom
mjec wants to merge 1 commit intootwcode:masterfrom
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Before this commit if localStroage was not available at all, the check for accept_tos would result in: Uncaught TypeError: can't access property "getItem", localStorage is null This breaks all subsequent JS on the page, including further jquery `$j(document).ready()` callbacks.
Collaborator
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Thanks for finding this! I've made AO3-7375 and assigned it to you. However, in the future, please wait for someone to verify the problem and create an issue before opening a pull request. (Edited to fix the link.) |
Author
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Apologies for the nonsense |
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as the first thing in your pull request title (e.g.
AO3-1234 Fix thing)until they are reviewed and merged before creating new pull requests.
Issue
https://otwarchive.atlassian.net/browse/AO3-7375
Purpose
Check that
localStorageis supported before using it to look for anaccepted_tosentry. This prevents an error likeUncaught TypeError: can't access property "getItem", localStorage is nullwhich breaks subsequent JS on the page, including further jquery$j(document).ready()callbacks.Testing Instructions
In Firefox, set
dom.storage.enabledtofalseinabout:config. Load any page and open the JS console, observe noUncaught TypeError.Compare to the same on
master, which does result in theTypeError.References
Discovered and discussed in #5641, specifically under the last details block in the comment attaching screenshots.
Credit
mjec (they/them)