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Tweak cursor to max out at 1 hour

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This commit is contained in:
Jonathan Staab 2023-02-23 16:52:06 -06:00
parent b197e2bb29
commit 9ee96c45d7
1 changed files with 8 additions and 11 deletions
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19
src/util/misc.ts
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@ -1,5 +1,5 @@
import {debounce, throttle} from 'throttle-debounce'
import {path as getPath, allPass, prop, pipe, isNil, complement, equals, is, pluck, sum, identity, sortBy} from "ramda"
import {path as getPath, allPass, pipe, isNil, complement, equals, is, pluck, sum, identity, sortBy} from "ramda"
import Fuse from "fuse.js/dist/fuse.min.js"
import {writable} from 'svelte/store'
import {isObject} from 'hurdak/lib/hurdak'
@ -117,7 +117,7 @@ export const createScroller = (loadMore, {reverse = false} = {}) => {
}
// No need to check all that often
await sleep(500)
await sleep(1000)
if (!done) {
requestAnimationFrame(check)
@ -153,16 +153,13 @@ export class Cursor {
this.limit = limit
}
onChunk(events) {
if (events.length > 0) {
// Don't go straight to the earliest event, since relays often spit
// very old stuff at us. Use an overlapping window instead.
const sortedEvents = sortBy(prop('created_at'), events)
const midpointEvent = sortedEvents[Math.floor(events.length / 2)]
const minDelta = timedelta(1, 'minutes')
const maxDelta = timedelta(1, 'hours')
const delta = pluck('created_at', events).reduce(Math.min, 0) || 0
this.until = Math.min(this.until, midpointEvent.created_at)
}
return this
// If the delta is very large, size it down. Relays with sparse data
// can slide the window very quickly, skipping a lot of events on more dense relays
this.until -= Math.max(minDelta, Math.min(maxDelta, delta))
}
}