FMHYedit/.vitepress/utils.ts

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export function groupBy<T, K extends keyof any>(
arr: T[],
key: (i: T) => K
): Record<K, T[]> {
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return arr.reduce(
(groups, item) => {
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// biome-ignore lint/suspicious/noAssignInExpressions: <explanation>
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;(groups[key(item)] ||= []).push(item)
return groups
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},
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{} as Record<K, T[]>
)
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}