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fix: guard against large numbers

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Guard against numbers beyond MAX_SAFE_INTEGER and reset count if necessary.
This commit is contained in:
Ayane Satomi 2023-10-22 05:45:44 +00:00
parent 09378ab37d
commit be94406c49
1 changed files with 20 additions and 10 deletions
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18
islands/CounterCard.tsx
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@ -54,14 +54,16 @@ export default function Counter(props: SharedProps) {
setCount(count + 1);
animateMascot();
let audioFile = props.audioFiles[Math.floor(Math.random() * props.audioFiles.length)];
let audioFile =
props.audioFiles[Math.floor(Math.random() * props.audioFiles.length)];
let lastAudioPlayed = audioFile;
const audio = new Audio();
// Check if the audio file is the same as the last one played
// If so, pick another one
if (lastAudioPlayed === audioFile) {
audioFile = props.audioFiles[Math.floor(Math.random() * props.audioFiles.length)];
audioFile =
props.audioFiles[Math.floor(Math.random() * props.audioFiles.length)];
lastAudioPlayed = audioFile;
audio.src = audioFile;
} else {
@ -70,18 +72,26 @@ export default function Counter(props: SharedProps) {
audio.play();
clearTimeout(timer);
setTimer(setTimeout(() => {
console.info(
`[${new Date()}] Updating global count: ${internalCount + 1}`,
);
// guard against numbers that are beyond MAX_SAFE_INTEGER.
if (internalCount === Number.MAX_SAFE_INTEGER) {
console.warn(
"Data too large to be submitted and represented safely. Disposing.",
);
setCount(0);
setInternalCount(0);
} else {
axios.post(
window.location.href,
JSON.stringify({ data: internalCount + 1 }),
);
setInternalCount(0);
}
}, 5000));
};