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7a0f9ffed5
- Allow horizontal bleed on home-actions retraction shell (overflow-y-hidden instead of overflow-hidden) so -mx-4 is not clipped by the chrome wrapper. - Hide HomeSummaryDelta chip and period caption when delta is 0 or null; add shouldShowHomeSummaryDelta helper and unit pins. Closes #150 Co-authored-by: Francisco Solla <fsolla@users.noreply.github.com>
37 lines
1.5 KiB
TypeScript
37 lines
1.5 KiB
TypeScript
import { formatElectionNumber } from '@/lib/electionFormat'
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/** B57 — client-safe contract for the Início hero delta (window + copy). */
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export const HOME_SUMMARY_DELTA_WINDOW_DAYS = 7
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export const homeSummaryDeltaPeriodLabel = `nos últimos ${HOME_SUMMARY_DELTA_WINDOW_DAYS} dias`
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export type HomeSummaryDeltaDirection = 'up' | 'down' | 'flat' | 'unavailable'
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export const resolveHomeSummaryDeltaDirection = (
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delta: number | null,
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): HomeSummaryDeltaDirection => {
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if (delta === null) return 'unavailable'
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if (delta === 0) return 'flat'
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return delta > 0 ? 'up' : 'down'
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}
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/** B111 — render the Δ chip only when there was movement in the window. */
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export const shouldShowHomeSummaryDelta = (delta: number | null): boolean =>
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delta !== null && delta !== 0
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/** Absolute magnitude for display; null when unavailable; "0" when flat. */
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export const formatHomeSummaryDeltaMagnitude = (delta: number | null): string | null => {
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if (delta === null) return null
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if (delta === 0) return formatElectionNumber(0)
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return formatElectionNumber(Math.abs(delta))
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}
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export const homeSummaryDeltaAriaLabel = (delta: number | null): string => {
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const period = homeSummaryDeltaPeriodLabel
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if (delta === null) return `Variação ${period} indisponível`
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if (delta === 0) return `Sem variação ${period}`
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const formatted = formatElectionNumber(Math.abs(delta))
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return delta > 0
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? `Aumento de ${formatted} votos ${period}`
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: `Queda de ${formatted} votos ${period}`
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}
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