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fix(pace caret): go back to using self-correcting timing

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This commit is contained in:
Miodec 2025-10-17 22:34:22 +02:00
parent e4afca1ff1
commit 22922004dc
1 changed files with 14 additions and 3 deletions
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17
frontend/src/ts/test/pace-caret.ts
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@ -18,6 +18,8 @@ type Settings = {
timeout: NodeJS.Timeout | null;
};
let startTimestamp = 0;
export let settings: Settings | null = null;
export const caret = new Caret(
@ -129,7 +131,7 @@ export async function init(): Promise<void> {
};
}
export async function update(duration: number): Promise<void> {
export async function update(expectedStepEnd: number): Promise<void> {
if (settings === null || !TestState.isActive || TestState.resultVisible) {
return;
}
@ -141,6 +143,10 @@ export async function update(duration: number): Promise<void> {
incrementLetterIndex();
try {
const now = performance.now();
const absoluteStepEnd = startTimestamp + expectedStepEnd;
const duration = absoluteStepEnd - now;
caret.goTo({
wordIndex: settings.currentWordIndex,
letterIndex: settings.currentLetterIndex,
@ -152,11 +158,13 @@ export async function update(duration: number): Promise<void> {
easing: "linear",
},
});
// Normal case - schedule next step
settings.timeout = setTimeout(() => {
update((settings?.spc ?? 0) * 1000).catch(() => {
update(expectedStepEnd + (settings?.spc ?? 0) * 1000).catch(() => {
settings = null;
});
}, duration);
}, Math.max(0, duration));
} catch (e) {
console.error(e);
caret.hide();
@ -169,6 +177,7 @@ export function reset(): void {
clearTimeout(settings.timeout);
}
settings = null;
startTimestamp = 0;
}
function incrementLetterIndex(): void {
@ -243,6 +252,8 @@ export function handleSpace(correct: boolean, currentWord: string): void {
}
export function start(): void {
const now = performance.now();
startTimestamp = now;
void update((settings?.spc ?? 0) * 1000);
}