47 lines
1.6 KiB
JavaScript
47 lines
1.6 KiB
JavaScript
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const VOLATILE_SNAPSHOT_FIELDS = new Set([
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'requestHash', 'version', 'updatedAt', 'operatorId', 'operatorName', 'occurredAt',
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])
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function stableValue(value) {
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if (Array.isArray(value)) return value.map(stableValue)
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if (!value || typeof value !== 'object') return value
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return Object.fromEntries(Object.entries(value)
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.filter(([key]) => !VOLATILE_SNAPSHOT_FIELDS.has(key))
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.sort(([left], [right]) => left.localeCompare(right))
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.map(([key, nested]) => [key, stableValue(nested)]))
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}
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function snapshot(value) {
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if (value == null || value === '') return null
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try { return stableValue(typeof value === 'string' ? JSON.parse(value) : value) } catch { return value }
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}
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function sameSnapshot(left, right) {
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return JSON.stringify(snapshot(left)) === JSON.stringify(snapshot(right))
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}
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export function isPureStatusNoop(history) {
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if (history?.actionType !== 'STATUS_UPDATE') return false
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if ((history?.fromStatus ?? null) !== (history?.toStatus ?? null)) return false
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return sameSnapshot(history?.beforeSnapshot, history?.afterSnapshot)
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}
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function stableEventKey(history) {
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if (history?.operationId) return `operation:${history.operationId}`
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if (history?.eventId) return `event:${history.eventId}`
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if (history?.historyId) return `history:${history.historyId}`
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return null
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}
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export function visibleLoadingHistories(histories) {
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const seen = new Set()
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return (Array.isArray(histories) ? histories : []).filter((history) => {
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if (isPureStatusNoop(history)) return false
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const key = stableEventKey(history)
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if (!key) return true
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if (seen.has(key)) return false
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seen.add(key)
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return true
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})
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}
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