Custom tests fail with large wordlists (hitting localStorage limit)

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Account name

TurtleMedicine

Account config

{"theme":"bliss","themeLight":"serika","themeDark":"serika_dark","autoSwitchTheme":false,"customTheme":false,"customThemeColors":["#323437","#e2b714","#e2b714","#646669","#2c2e31","#d1d0c5","#ca4754","#7e2a33","#ca4754","#7e2a33"],"favThemes":[],"showKeyTips":true,"smoothCaret":"fast","codeUnindentOnBackspace":false,"quickRestart":"tab","punctuation":false,"numbers":false,"words":10,"time":15,"mode":"custom","quoteLength":[0],"language":"english","fontSize":3,"freedomMode":false,"difficulty":"normal","blindMode":false,"quickEnd":false,"caretStyle":"default","paceCaretStyle":"block","flipTestColors":false,"layout":"default","funbox":[],"confidenceMode":"off","indicateTypos":"below","timerStyle":"mini","liveSpeedStyle":"off","liveAccStyle":"off","liveBurstStyle":"off","colorfulMode":false,"randomTheme":"off","timerColor":"text","timerOpacity":"1","stopOnError":"off","showAllLines":false,"keymapMode":"off","keymapStyle":"alice","keymapLegendStyle":"lowercase","keymapLayout":"qwerty","keymapShowTopRow":"layout","keymapSize":1,"fontFamily":"Fira_Code","smoothLineScroll":true,"alwaysShowDecimalPlaces":false,"alwaysShowWordsHistory":false,"singleListCommandLine":"on","capsLockWarning":true,"playSoundOnError":"off","playSoundOnClick":"off","soundVolume":0.5,"startGraphsAtZero":true,"showOutOfFocusWarning":true,"paceCaret":"off","paceCaretCustomSpeed":60,"repeatedPace":true,"accountChart":["on","on","on","on"],"minWpm":"off","minWpmCustomSpeed":100,"highlightMode":"letter","typingSpeedUnit":"wpm","ads":"off","hideExtraLetters":false,"strictSpace":false,"minAcc":"off","minAccCustom":90,"monkey":false,"repeatQuotes":"off","oppositeShiftMode":"off","customBackground":"","customBackgroundSize":"cover","customBackgroundFilter":[0,1,1,1],"customLayoutfluid":["qwerty","dvorak","colemak"],"customPolyglot":["english","spanish","french","german"],"monkeyPowerLevel":"off","minBurst":"off","minBurstCustomSpeed":100,"burstHeatmap":false,"britishEnglish":false,"lazyMode":false,"showAverage":"off","tapeMode":"off","tapeMargin":50,"maxLineWidth":0}

Current Behavior

Test fails to start with different errors based on browser:

• Chrome:

  Failed to set customTextSettings in localStorage: Local storage is full. Please clear some space and try again.
  

• Firefox

  Failed to set customTextSettings in localStorage: Unknown error occurred
  

Expected Behavior

the test should start without error

Steps To Reproduce

1. Go to custom test mode
2. Press "change"
3. Press open file
4. Upload a looong wordlist (example with about 5 mil characters here)
5. Press "ok"
6. See error

Environment

• OS: Windows 11 (tested on linux too)
• Browser: Zen/Thorium both tested on both platforms
• Browser Version:
  • Zen: 1.12.8b (Firefox 138.0.4) (64-bit)
  • Thorium: based on chromium 128.0.6613.189

Anything else?

the example non-working wordlist