68 lines
2.4 KiB
TypeScript
68 lines
2.4 KiB
TypeScript
import {derived} from "svelte/store"
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import {shuffle} from "@welshman/lib"
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import {
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COMMENT,
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addressTags,
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getAddress,
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hexTags,
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tagSpec,
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tagValues,
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topicTags,
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} from "@welshman/util"
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import type {TrustedEvent} from "@welshman/util"
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import {withGetter} from "@welshman/store"
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import {getCommentTagValues, getReplyTagValues} from "@welshman/domain"
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import {followLists, muteLists, profiles, user} from "@app/core"
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import {DEFAULT_PUBKEYS} from "@app/env"
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export const bootstrapPubkeys = derived(
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[user, followLists.get().index.$],
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([$user, $followLists]) => {
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const appPubkeys = DEFAULT_PUBKEYS.split(",")
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const userPubkeys = shuffle($followLists.get($user.pubkey)?.pubkeys() ?? [])
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return userPubkeys.length > 5 ? userPubkeys : [...userPubkeys, ...appPubkeys]
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},
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)
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// Ids and addresses of an event's immediate parents, falling back to its thread roots.
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const getParents = ({kind, tags}: TrustedEvent) => {
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const {roots, replies} = kind === COMMENT ? getCommentTagValues(tags) : getReplyTagValues(tags)
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return replies.length > 0 ? replies : roots
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}
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export const isEventMuted = withGetter(
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derived([user, muteLists.get().index.$], ([$user, $muteLists]) => {
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const muteList = $muteLists.get($user.pubkey)
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const tags = muteList?.tags() ?? []
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const mutedEvents = new Set(tagValues(hexTags("e"), tags))
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const mutedPubkeys = new Set(tagValues(hexTags("p"), tags))
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const mutedAddresses = new Set(tagValues(addressTags("a"), tags))
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const mutedTopics = new Set(tagValues(topicTags("t"), tags))
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const mutedWords = tagValues(tagSpec("word"), tags)
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const regex =
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mutedWords.length > 0
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? new RegExp(`\\b(${mutedWords.map(w => w.toLowerCase().trim()).join("|")})\\b`)
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: undefined
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return (e: TrustedEvent) => {
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if (!muteList) return false
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if ($user.pubkey === e.pubkey) return false
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if (mutedPubkeys.has(e.pubkey)) return true
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if (mutedEvents.has(e.id)) return true
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if (mutedAddresses.has(getAddress(e))) return true
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if (getParents(e).some(v => mutedEvents.has(v) || mutedAddresses.has(v))) return true
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if (tagValues(topicTags("t"), e.tags).some(t => mutedTopics.has(t))) return true
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if (regex) {
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const profile = profiles.get().get(e.pubkey)
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if (profile?.display().toLowerCase().match(regex)) return true
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if (profile?.nip05()?.match(regex)) return true
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}
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return false
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}
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}),
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)
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