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Shuffle quiz option order so best isn’t always first #48

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Merged
jsolly merged 1 commit into from
Jul 19, 2026
Merged

Shuffle quiz option order so best isn’t always first #48

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2 changes: 1 addition & 1 deletion src/components/app/QuizView.svelte
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Original file line number Diff line number Diff line change
Expand Up @@ -153,7 +153,7 @@
</h1>

<div class="mt-4 flex flex-col gap-3">
{#each q.options as opt (`${q.id}:${opt.id}`)}
{#each game.displayedOptions as opt (`${q.id}:${opt.id}`)}
<button
type="button"
class={optionClass(opt)}
Expand Down
16 changes: 16 additions & 0 deletions src/lib/quiz-state.svelte.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -2,6 +2,7 @@ import type {
AnswerOutcome,
Difficulty,
LifecycleUnit,
QuizOption,
QuizQuestion,
UnitId,
} from "$lib/far/types";
Expand Down Expand Up @@ -137,6 +138,8 @@ export class QuizGame {

// current question interaction
answeredOptionId = $state<string | null>(null);
/** Shuffled option order for the current question; stable until the next question. */
displayedOptions = $state<QuizOption[]>([]);

summary = $state<SessionSummary | null>(null);

Expand Down Expand Up @@ -222,6 +225,7 @@ export class QuizGame {
this.outcomes = [];
this.requeued = new SvelteSet();
this.answeredOptionId = null;
this.displayedOptions = [];
this.summary = null;
this.chapter = null;
this.chapterKind = null;
Expand All @@ -238,6 +242,7 @@ export class QuizGame {
this.outcomes = [];
this.requeued = new SvelteSet();
this.answeredOptionId = null;
this.displayedOptions = [];
this.summary = null;
this.activeChapterId = null;

Expand Down Expand Up @@ -529,6 +534,12 @@ export class QuizGame {
this.chapterKind = null;
this.shelf = null;
this.view = questions.length > 0 ? "session" : "home";
this.syncDisplayedOptions();
}

private syncDisplayedOptions() {
const q = this.currentQuestion;
this.displayedOptions = q ? shuffle(q.options) : [];
}

get currentQuestion(): QuizQuestion | undefined {
Expand Down Expand Up @@ -617,7 +628,10 @@ export class QuizGame {
}

if (this.queue.length === 0) {
this.displayedOptions = [];
this.finishSession();
} else {
this.syncDisplayedOptions();
}
}

Expand Down Expand Up @@ -694,6 +708,7 @@ export class QuizGame {
this.outcomes = [];
this.requeued = new SvelteSet();
this.answeredOptionId = null;
this.displayedOptions = [];
this.summary = null;
this.activeChapterId = null;
this.openChapter(chapter, "shelf-chapter");
Expand Down Expand Up @@ -743,6 +758,7 @@ export class QuizGame {
this.outcomes = [];
this.requeued = new SvelteSet();
this.answeredOptionId = null;
this.displayedOptions = [];
this.summary = null;
this.activeChapterId = null;
this.chapter = null;
Expand Down