Add check for localStorage writeability #1105
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Issue:
Running the library as a third-party (eg. inside an iFrame) when third-party cookies are disabled (as is starting to be default setting in browsers) or cookies disabled, also disables access to localStorage. This can be worked around by providing a custom storage in configuration, but it still breaks because the check for setting saveNoncesInLocalStorage breaks at
typeof window['localStorage'] !== 'undefined'due to access issues.Fix:
Do the check inside try/catch.