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14 lines
390 B
JavaScript
14 lines
390 B
JavaScript
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export function buildContactIds(contacts, limit) {
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return Object.entries(contacts || {})
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.map(([id, { n, ts }]) => ({ id, n, ts }))
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.sort(sortContacts)
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.slice(0, limit)
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.map(contact => contact.id)
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}
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// sort by decreasing count, decreasing timestamp.
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// i.e. highest count, most recent first.
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function sortContacts(a, b) {
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return a.n === b.n ? b.ts - a.ts : b.n - a.n
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}
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