48 lines
1.0 KiB
JavaScript
48 lines
1.0 KiB
JavaScript
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import { toReversePaddedBigInt, zeroPad } from '../_utils/sorting'
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//
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// timelines
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//
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export function createTimelineId (timeline, id) {
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// reverse chronological order, prefixed by timeline
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return timeline + '\u0000' + toReversePaddedBigInt(id)
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}
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export function createTimelineKeyRange (timeline, maxId) {
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let negBigInt = maxId && toReversePaddedBigInt(maxId)
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let start = negBigInt ? (timeline + '\u0000' + negBigInt) : (timeline + '\u0000')
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let end = timeline + '\u0000\uffff'
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return IDBKeyRange.bound(start, end, true, true)
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}
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//
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// threads
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//
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export function createThreadId (statusId, i) {
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return statusId + '\u0000' + zeroPad(i, 5)
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}
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export function createThreadKeyRange (statusId) {
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return IDBKeyRange.bound(
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statusId + '\u0000',
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statusId + '\u0000\uffff'
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)
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}
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//
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// pinned statues
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//
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export function createPinnedStatusId (accountId, i) {
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return accountId + '\u0000' + zeroPad(i, 3)
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}
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export function createPinnedStatusKeyRange (accountId) {
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return IDBKeyRange.bound(
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accountId + '\u0000',
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accountId + '\u0000\uffff'
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)
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}
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