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November 2, 2020 07:34
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Prevent old Firefox (e.g. 54.0) throw InvalidStateError by default in private mode
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| function debug(showError = true) { | |
| if (window.indexedDB) { | |
| try { | |
| const request = window.indexedDB.open('demo', 1); | |
| request.onsuccess = function (event) { | |
| // not raised | |
| }; | |
| request.onupgradeneeded = function (event) { | |
| // not raised | |
| }; | |
| request.onerror = function (event) { | |
| if (!request.error) return; | |
| if (request.error.name === 'InvalidStateError' && !showError) { | |
| // raised with no InvalidStateError | |
| event.preventDefault(); | |
| } | |
| }; | |
| } catch(error) { | |
| console.error(error); | |
| } | |
| } | |
| } |
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